TABLE OF CONTENTS
TRACTOR IDENTIFICATION
INTRODUCTION, WARRANTY
1
SAFETY NOTES
2
CONTROLS
CAB
3
INSTRUMENTS AND PROGRAMMING
4
OPERATION
5
TYRES, WHEELS, BALLASTING
6
REGULAR SERVICE INTERVALS
7
ELECTRICAL SYSTEM
8
SPECIFICATIONS
ALPHABETICAL INDEX
9
ORIGINAL INSTRUCTIONS
Valid for the following tractor
models:
X6.35 X6.45 X6.55
Operator's Manual
SECTION
X6.35
X6.45
X6.55
GB
Publication N. 6622 427A2
Release 11/2019
Argo Tractors S.p.A.
via G. Matteotti, 7 | 42042 Fabbrico [RE] Italy
t. +39.0522.656.111 | f. +39.0522.656.476
webmaster@argotractors.com | www.argotractors.com
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P/N 6622427A2 - X6.35 - X6.45 - X6.55
WARNING: Any warranties for modified operation
units (safety frame, electric and hydraulic systems
a.s.o) expire if cabs are mounted that are not ap-
proved by the tractor's maker. Moreover, noise levels
and compliance with the approvals cannot be verified
in this case.
CALIFORNIA
Statement 65 Warning
Diesel engine exhaust and some of its constituents
are known to the State of California to cause cancer,
birth defects, and other reproductive harm.
Units of measurement
All units of measurement used in this manual are metric
unless otherwise stated.
Use the following table to convert from metric to impe-
rial units.
mm x 0.03937 = inches
kg x 2.2 = pounds
bar x 14.5038 = PSI
Litres x 0.22 = British gallons
Litres x 0.264 = US gallons
N (Newton) x 0.225 = pound/foot
Nm x 0.738 = pound/foot
Nm x 8.85 = pound/inch
°C x 1.8 (=32) = °F
km/h x 0.62 = MPH
This Operator’s Manual is valid in all countries in the world and for all models. The photos, warnings and instruc-
tions it contains concern both standard and optional equipment. Therefore you might find details on parts that are
not installed on your own tractor, depending on national laws and ordered optionals. All contents in this manual
are carefully drawn up and undergo accurate checks.
The illustrations in this manual are not comprehensive of all possible cases. All technical information and speci-
fications contained in the manual are updated to the date of its release. In a policy of continuous improvement
of our products, we reserve the right to introduce modifications in any moment without any prior notice.
Argo Tractors declines, however, any liability, either direct or indirect, to users and to third parties in general, for
any delay, inaccuracy, mistake, omission, direct and indirect damage deriving from the above mentioned contents.
Any mistake of whom we are advised shall be promptly corrected. As no guarantee can be given of the update status
of a document on paper, only the text published on our website ARGOSERVICE.NET shall be deemed as authentic.
The tractor is provided of safety features complying to national and international laws. For your own safety, such
features should be correctly used at any time and checked for operation. In case of doubts about their operation
or use, please refer to your Argo Tractors Dealer.
If the tractor is sold again, this operation manual should be left on it. The next owner will require the informa-
tion it contains.
This manual was compiled in compliance with the ISO 3600 standards and the here contained instructions comply
to the requirements of the following directive in force in the European Union: Regulation (EU) n. 167/2013. [1]
For tractors sold or used outside the European Union, local laws have priority.
Main guards present on tractors dealt with in this manual. [2.o][2.p][6.3.2b]
CAB
ROPS (protection against overturning) YES
FOPS (protection against objects falling from above) YES**
OPS (protection against penetration of objects from sides) NO
Protection against hazardous chemicals CLASS. 2*
* Complying to EN 15695-1:2009
** The protection level of the FOPS structure of the cab is approved to the Code 10 OCSE.
Always refer to the identification plate of the cab (Sect. 1 in this manual) to check the protection level.
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1
Contents ...............................................................................................1-3
Tractor identification .............................................................................1-9
Introduction ........................................................................................1-12
Warranty, pre-delivery inspections and installation ...........................1-12
Warranty claim ....................................................................................1-13
Spare parts warning ...........................................................................1-13
If you move .........................................................................................1-13
Post-warranty service .........................................................................1-13
Safety ..................................................................................................1-13
Safety notes .........................................................................................2-1
Regular use ...........................................................................................2-1
Alarm and safety texts and symbols ....................................................2-2
Safety - Tractor and implement ............................................................ 2-2
Safety - Introduction ............................................................................. 2-2
Safety - Advice for the operator ...........................................................2-2
Safety - Danger, Warning and Caution .................................................2-3
Safety - Decals ......................................................................................2-3
Safety - Following a safety program ....................................................2-3
Safety - Cab ..........................................................................................2-4
Safety precautions................................................................................2-7
Personal protection devices (DPI) ........................................................2-7
Check your equipment .......................................................................2-10
Cleaning the tractor ............................................................................ 2-11
Save the environment ........................................................................2-11
Safety - Tractor maintenance .............................................................2-11
Safety - Starting up .............................................................................2-13
Working in safety ................................................................................2-15
Follow the rules when using your tractor. .......................................... 2-15
Working in safety ................................................................................2-15
Beware of other people......................................................................2-17
Risk of overturning .............................................................................2-18
To avoid side overturning ...................................................................2-18
To avoid back overturning ..................................................................2-20
Dangerous operations ........................................................................ 2-22
To engage the power take-off ............................................................2-22
Implements and attachments ............................................................2-24
Road transport ....................................................................................2-25
Highway Code regulations .................................................................2-25
Safety - After use ................................................................................2-26
Further notes ......................................................................................2-27
Tractor stability ...................................................................................2-29
Tractor's lifting points .........................................................................2-31
Tractor access ....................................................................................2-32
Fuel tank filling ...................................................................................2-33
Filling with AdBlue™ or DEF ............................................................... 2-33
Wedges ..............................................................................................2-34
Risks from noise .................................................................................2-35
Positions of the safety decals ............................................................2-36
Positions of safety decals - Only North American markets ...............2-41
Table of contents Page n.
Section 1
Section 2
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P/N 6622427A2 - X6.35 - X6.45 - X6.55
Controls - Cab .......................................................................................3-1
Main controls ........................................................................................3-2
Controls on the left side of the driver's seat. ....................................... 3-3
Controls on the left side of the control turret ......................................3-3
Commutators........................................................................................3-3
LED and backlighting functions on switches .......................................3-4
Drive direction reversing lever .............................................................3-4
Tractor Warning Lamp Usage ...............................................................3-5
Turn indicator operation (North America version) ................................ 3-5
Implement Warning Lamps (if Equipped) ............................................3-5
Rotating Beacon ................................................................................... 3-6
Slow Moving Vehicle (SMV) Symbol ....................................................3-6
Front right controls on instrument turret .............................................3-7
Adjustment of electro-hydraulic reverse shuttle effectiveness ........... 3-8
Battery master disconnect switch .......................................................3-8
Use of adjustment of Powershuttle effectiveness...............................3-8
Steering column adjustment ................................................................ 3-9
Auxiliary power socket (12 V) .............................................................3-11
Miscellaneous ....................................................................................3-11
Operator's seat ...................................................................................3-12
Seat belt .............................................................................................3-20
Instructor seat ....................................................................................3-21
Operator present sensor ....................................................................3-22
Cab .....................................................................................................3-24
Central controls on control turret ...................................................... 3-25
Rear window wiper ............................................................................3-25
Cab roof components ........................................................................3-26
Cab ventilation ....................................................................................3-27
Controls for cab temperature .............................................................3-28
Setup with heating only .....................................................................3-28
Setup with cab air conditioning .........................................................3-29
Use of the air conditioning system ....................................................3-29
Radio ...................................................................................................3-30
Additional Cab Features .....................................................................3-37
Instruments and Programming ............................................................ 4-1
Instruments - Instrument panel ............................................................4-2
Display operation ..................................................................................4-5
Alarm management priority display .....................................................4-8
Main display .........................................................................................4-8
Clock/Work timer ..................................................................................4-8
Rear electronic hitch ............................................................................4-9
Engagement/disengagement threshold of auto PTO ..........................4-9
Setup of limits for auto PTO engagement/disengagement. .............. 4-10
Air brakes pressure ............................................................................4-11
AdBlue™ or DEF level .........................................................................4-11
Engine operating modes .................................................................... 4-12
Service interval ...................................................................................4-15
Alarm from operator present sensor on seat.....................................4-16
Electra-hydraulic effectiveness ..........................................................4-16
Counters .............................................................................................4-17
Calibrations .........................................................................................4-17
Engine controller menu ...................................................................... 4-18
Standstill operation of the exhaust gas post-treatment system ........4-19
Adjustment of screen, lamps and indicators brightness ................... 4-20
Constant engine RPM rate ................................................................. 4-21
Selection of rear PTO engagement curve .......................................... 4-22
Selection of front PTO engagement curve .........................................4-23
Alarms ................................................................................................4-24
Table of contents Page n.
Section 4
Section 3
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1
Transmission display area .................................................................4-25
Power take-off menu .......................................................................... 4-27
Accessories menu ..............................................................................4-31
• Implement width .............................................................................4-33
• Euro/NAO market ............................................................................ 4-34
• Clock ................................................................................................4-35
• Service interval ................................................................................4-36
• Functionality (indicator lights/indicators/display on LCD) ............... 4-37
• Management of operator present control ......................................4-45
Operation ..............................................................................................5-1
General Operation ................................................................................5-2
Run In Procedure ..................................................................................5-2
Starting procedure ................................................................................5-3
Starting the tractor ...............................................................................5-4
Stopping the tractor .............................................................................5-4
Turning off the engine ..........................................................................5-4
Running in ............................................................................................5-4
Cold Temperature Operation ................................................................ 5-5
Cold weather starting (temperatures below 0°C) (cold engine) ...........5-6
Turning off the engine ..........................................................................5-7
Parking the tractor ................................................................................5-7
Battery master disconnect switch .......................................................5-8
Transmission - configurations ..............................................................5-9
Use of the gearbox .............................................................................5-10
Adjustment of electro-hydraulic reverse shuttle effectiveness ......... 5-11
Speed tables .......................................................................................5-12
Gearshift clutch ..................................................................................5-14
Reverse shuttle control lever .............................................................5-15
Gearshift lever ....................................................................................5-16
Operation of Power Shuttle gearbox ..................................................5-17
Starting the tractor with the clutch pedal ..........................................5-18
Changing gear with the declutch button ...........................................5-18
Changing gear with the clutch pedal .................................................5-18
Engagement of Powershift ranges under load (setup with HML transmission) ....5-19
Use of reverse shuttle under load ......................................................5-20
Use of reverse shuttle with clutch pedal ...........................................5-20
Stopping and parking the tractor .......................................................5-21
Manually releasing the Park Lock ....................................................... 5-22
Power take-off ....................................................................................5-23
• Power take-off engagement ............................................................ 5-24
• Synchronised power take-off (if equipped) ..................................... 5-25
• External PTO controls ......................................................................5-26
Rear Auto PTO (if equipped) ...............................................................5-27
• Auto PTO activation .........................................................................5-27
• Auto PTO deactivation .....................................................................5-27
• Memorisation of the ON and OFF positions ...................................5-27
Selecting PTO speed .......................................................................... 5-28
PTO overspeed ................................................................................... 5-29
Interchangeable PTO shaft. ................................................................5-29
Precautions when using the PTO ....................................................... 5-30
Front power take-off ........................................................................... 5-31
Front hitch...........................................................................................5-33
Brakes ................................................................................................. 5-36
Parking brake ......................................................................................5-37
Hydraulic trailer brake .........................................................................5-38
Control position for parking brake ......................................................5-43
Stationary ............................................................................................5-44
Differential lock ..................................................................................5-45
Table of contents Page n.
Section 5
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Operating the four-wheel drive .......................................................... 5-47
Engine set point .................................................................................5-49
Tractor transport ................................................................................. 5-51
Tow equipment - Front pull hook. .......................................................5-54
Drawbar ..............................................................................................5-55
Pick up hitch .......................................................................................5-56
Height adjustable hitch. .....................................................................5-60
Towable weights.................................................................................5-64
Rear hitch (mechanical control) ..........................................................5-69
• Sensitivity adjustment ..................................................................... 5-71
• Down speed control ........................................................................5-71
• Top link of the mechanical hitch .....................................................5-72
• External contro for hitch (if equipped) ............................................5-73
Rear hitch (electronic control) ............................................................5-74
• Electronically controlled hitch - activation ......................................5-75
• Hitching an implement .................................................................... 5-76
• Use during work .............................................................................. 5-77
Auxiliary control valves ....................................................................... 5-80
Use of the auxiliary control valves .....................................................5-82
• Free discharge ................................................................................. 5-83
• Single/double action selection ........................................................ 5-84
• Diverter valve ...................................................................................5-84
Quick couplers....................................................................................5-85
Connecting Remote Hoses ................................................................5-85
Disconnecting hoses and implements ..............................................5-86
Joystick lever to control midmount control valves ............................5-87
Auxiliary control valve with electro-hydraulic divider ......................... 5-88
Rear Three-Point Hitch .......................................................................5-89
Tyres, wheels, ballasting ......................................................................6-1
Tyre Inflation Specifications .................................................................6-3
Tyre pressures, Load Capacities And Service ...................................... 6-4
Tyre inflation procedure ........................................................................6-6
Tyre and wheel service ......................................................................... 6-7
Tyre installation .....................................................................................6-7
Wheel removing procedure ..................................................................6-8
Setting The Front Wheel Toe-In ............................................................6-9
Front axle - steering stops ..................................................................6-10
Track adjustment ................................................................................6-11
Front and rear wheels bolt torques .................................................... 6-18
Front to rear tyre size combinations ..................................................6-19
• wheels with bolted rims ..................................................................6-19
Front wheel fenders ...........................................................................6-20
Tractor ballast .....................................................................................6-22
Regular service intervals ......................................................................7-1
Routine maintenance table ..................................................................7-2
Recommendations before you service ................................................7-8
Lubrication and maintenance ............................................................... 7-9
Running in ..........................................................................................7-10
Servicing intervals ..............................................................................7-10
Miscellaneous checks ........................................................................ 7-10
Lubrication/Greasing ..........................................................................7-11
General tractor inspection ..................................................................7-11
Fuel tank filling ...................................................................................7-12
Engine oil specifications ....................................................................7-13
Approved fuels ...................................................................................7-15
Protective agent for the cooling system ............................................ 7-16
AdBlue® (urea solution AUS 32) ........................................................7-17
Exhaust gas post-treatment system ..................................................7-18
Table of contents Page n.
Section 7
Section 6
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1
Table of contents Page n.
Section 8
Selective Catalytic Reduction ............................................................. 7-19
Access for inspection and maintenance ............................................7-23
Variable maintenance (every 10 hours or daily) .................................7-25
Check coolant level ............................................................................7-32
Cab filter - Variable maintenance .......................................................7-81
General maintenance .........................................................................7-83
Preparing for long idle periods ........................................................... 7-86
Fire prevention ....................................................................................7-87
Electrical system ..................................................................................8-1
Electrical system - Battery ....................................................................8-2
Battery system servicing ...................................................................... 8-3
Headlights ............................................................................................8-5
Lamp replacement ...............................................................................8-6
Fuses and relays ...................................................................................8-8
7-pin power socket for trailer .............................................................8-12
EBS power socket for trailer diagnosis (ISO 7638) ............................ 8-13
Auxiliary power socket .......................................................................8-14
Diagnostic connectors .......................................................................8-15
Specifications - Alphabetical index ......................................................9-1
Weights and dimensions ......................................................................9-2
Engine ...................................................................................................9-3
Electric system ..................................................................................... 9-4
Transmission.........................................................................................9-5
Clutch ...................................................................................................9-5
Rear axle ...............................................................................................9-6
Rear brakes ...........................................................................................9-7
Front axle ..............................................................................................9-7
Track adjustment ..................................................................................9-8
Power steering system .........................................................................9-8
Hydraulic circuit ....................................................................................9-9
Electronically controlled hitch ..............................................................9-9
Three-point linkage .............................................................................9-10
Auxiliary control valves ....................................................................... 9-10
Cab .....................................................................................................9-10
Optional extras ...................................................................................9-10
Radio specifications ...........................................................................9-11
Noise levels ........................................................................................9-12
Vibration levels ...................................................................................9-13
Issue of authorization .........................................................................9-14
Weights ..............................................................................................9-14
Lubricants and fuels chart .................................................................. 9-15
Implement attachment points ............................................................9-17
Alphabetical index ..............................................................................9-19
Regulation (EU) n. 167/2013 ...............................................................9-21
Section 9
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P/N 6622427A2 - X6.35 - X6.45 - X6.55
NOTE
This manual has been published for worldwide circulation. The standard and optional equipment and the availability of
individual models may vary from one country to the next. Argo Tractors reserves the right to undertake modifications
without prior notice to the design and technical equipment at all times without this resulting in any obligation whatso-
ever to make such modifications to units already sold. Whilst every effort is made to ensure that the specifications,
descriptions, photographs and illustrations in this manual are correct at the time of going to print, these are also subject
to change without prior notice. The photographs and illustrations used in this manual may show optional equipment
or may not show all standard equipment. Any reproduction or translation, even partial, is forbidden without the written
authorization of Argo Tractors.
1-9
P/N 6622427A2 - X6.35 - X6.45 - X6.55
1
Tractor identification data
The tractor ant its main components are identified by
serial numbers and manufacturing codes. The positions
of each identification code are illustrated as follows.
NOTE: Identification data should be communicated to
your authorised Argo Tractors Dealer for requests of spare
parts or service.
Tractor and safety frame identifica-
tion plate
The manufacturer's plate is applied on the outside, at the
rear of the cab floor/platform, on the left side.
The manufacturer's plate shows the following data:
1. Class
2. Number of approval
3. Chassis number
4. Maximum allowed weight (total)
5. Maximum allowed weight (front axle)
6. Maximum allowed weight (rear axle)
Maximum towed weight
7. Trailer with no brakes
8. Trailer with inertia brakes
9. Trailer with hydraulic brakes
10. Trailer with air brakes
Other data are indicated on the authorization certificate.
The plate that identifies the cab is applied just over the
manufacturer's plate.
11. Safety frame type
12. Tractor model
13. FOPS approval*
14. ROPS approval
* NOTE: this field identifies the approval type. If the field
is left empty, the cab does not do not give a satisfactory
protection against objects falling from above. The cab with
an approved FOPS structure gives protection against fall-
ing objects according to the Code 10 of OCSE standards.
Fig.1-1 Tractor identification plate.
Tractor identification
1
2
3
5
6
7
8
9
10
4
11
12
14
13
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P/N 6622427A2 - X6.35 - X6.45 - X6.55
Tractor identification
Engine identification data
Engine data plate (Fig.1-3.)
The plate (C) can be installed in two positions: in the top
position and on the left side of the crankcase.
Fig.1-3
Fig.1-4
Engine number (Fig. 1-4)
The engine number (D) is punched onto the crankcase
(arrow) and onto the model plate.
Tractor identification number
The vehicle identification number is shown both on the
data plate and on the right-hand front side of the weight
frame. (Fig.1-2)
Fig.1-2 Tractor type and chassis serial number (on the
weight frame).
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P/N 6622427A2 - X6.35 - X6.45 - X6.55
1
Fig.1-6
Fig.1-7
Front hitch serial number
The serial number plate of the front end hitch unit is ap-
plied on the left side in the front end, on the radiator core
bearing of the hitch. (Fig.1-6).
Front axle identification plate
The identification number of the front axle assembly is
positioned on the left side, in the rear end of the axle.
Serial numbers of post-treatment components of
exhaust gases (Fig. 1-5)
Serial numbers of post-treatment system components of
exhaust gases are printed on data plates.
Fig.1-5
Tractor identification
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P/N 6622427A2 - X6.35 - X6.45 - X6.55
INTRODUCTION
NOTE: This manual is distributed with tractors all over the
world. The equipment indicated as standard or optional
may vary according to the country where the tractor oper-
ates. Please ask your Argo Tractors Dealer for full details
of the equipment available in your country.
The purpose of this book is to enable the owner and driver
to operate the tractor in a safe manner. Provided that the
instructions are followed carefully, the equipment will give
years of service in our tradition.
If you should not understand any part of this booklet,
please do not hesitate to ask your Argo Tractors Dealer
for advice, as these instructions must be correctly under-
stood and complied with. It is advisable to perform a daily
maintenance routine and to keep a register to record the
work hours of the machine.
When new parts are required it is important that only
genuine service parts are used. Authorised Argo Trac-
tors Dealers supply genuine parts and can give advice
regarding their fitness and use. If lesser quality spare
parts are mounted, this can cause major damages and be
a danger to the operator's safety and health. Customers
are therefore required to buy their service parts only from
an authorised Argo Tractors Dealer.
This tractor is designed only for general agricultural
operations. For his full and safe operation, follow the
directions given in this manual.
THE TRACTOR IS UNSUITABLE FOR USE IN
FORESTRY OPERATIONS.
It may become suitable for such use if a forestry kit is
installed which is EC marked and approved and whose
installation is approved by the manufacturer.
The installation and modification of the tractor must
be carried out with the highest technical standards by
specialised workshops with qualified personnel. Such
workshops must be able to guarantee and attest the
risk analysis provided for in the Machinery Directive
2006/42/EC concerning the foreseen and predictable
use of the tractor for forestry work and environment,
in order to carry out all required adaptations of the
tractor. This specific forestry kit must protect the
driver's seat from falling and penetrating objects.
Use in any other way as described hereunder is consid-
ered as contrary to the intended use. The Manufacturer
of the tractor accepts no liability for any damage or injury
resulting from misuse; any resulting risks must be borne
solely by the user.
Also compliance with and strict adherence to the opera-
tion, service and maintenance conditions specified by the
Manufacturer are substantial part of the intended use.
If the tractor must be used in very heavy-duty conditions
Introduction - Warranty
(e.g. deep water or extremely muddy soils), you should
ask your Argo Tractors Dealer for specific instructions, to
avoid invalidating the guarantee.
For the correct operation, service and maintenance of this
tractor you need to be fully acquainted with its specific
features and any associated safety hazards to prevent any
personal injury or damage.
Customers should use an authorised Argo Tractors Dealer
in connection with any problem regarding service and
adjustments.
WARRANTY, PRE-DELIVERY INSPEC-
TIONS AND INSTALLATION
The Company Argo Tractors, when selling new goods
to their Dealers, gives a warranty that, subject to certain
conditions, guarantees that the goods are free from
defects in material and workmanship. As this manual is
published for worldwide distribution, it is impossible to
give a precise and detailed description of the terms and
clauses of the warranty granted in each country for retail
sale. The buyers of new tractors should therefore ask their
Dealer for full details.
According to the Company's policy of continuous improve-
ment to its machines, changes in their technical features
may be made at any time without notice. The Company
accepts no responsibility for discrepancies which may
occur between the specifications of its machines and the
descriptions thereof contained in its publications.
An Argo Tractors Dealer is required to carry out certain
activities when supplying a new tractor. These consist
of a full pre-delivery inspection to ensure that the tractor
supplied is ready for immediate use, and full instruction
in the basic principles of operation and maintenance of
the tractor. These instructions will cover instruments and
controls, routine maintenance and safety precautions. All
persons who will be concerned with the operation and
maintenance of the machine should be present for these
instructions.
NOTE: The Manufacturer will not accept responsibility for
any claim resulting from the fitment of non-approved parts
or attachments, or unauthorized modification or alteration.
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P/N 6622427A2 - X6.35 - X6.45 - X6.55
1
WARRANTY CLAIM
A correct installation, followed by a regular maintenance,
will help in preventing malfunctions or breakdowns. If you
should detect any assembly defects or malfunctions dur-
ing the warranty period, it will be necessary to immediately
inform the Argo Tractors Dealer stating the problem, the
tractor's model, the serial number and number of worked
hours.
Immediate communication of these information to your
Dealer within the warranty period will make it possible to
analyze the problem to find the correct resolution.
The Warranty will be null and void it such communication
is not within the warranty period.
It should be noted that normal maintenance services such
as tuning, brake/clutch adjustments, and the supply of
materials used to service the tractor (oil, filters, fuel and
antifreeze) are not covered by terms of the warranty.
SPARE PARTS WARNING
Only genuine spare parts should be used as inferior
quality parts may not only impair performance, but also
be dangerous for the operator's health and safety. The
manufacturer of the tractor will not take any responsibility
for any loss, damage or liability resulting from the fitment
of such parts, and, if fitted during the normal warranty
period will invalidate the manufacturer's warranty.
IF YOU MOVE
The Argo Tractors Dealer by whom you bought your trac-
tor is sole responsible for the protection given by your
warranty. We recommend that any repair of your machine
should be made by the Dealer. If you move outside of your
selling dealer's area of responsibility, or the tractor should
operate in a different area, you should enquire and notify
the relevant authorised Argo Tractors Dealer in your new
area about your machine. This will ensure any remaining
warranty and servicing can be supported. If you moved
from the area of your original Argo Tractors Dealer without
any arrangements with the new Dealer, the latter will give
you assistance for emergencies, but will charge normal
prices, unless:
a. You make it clear that the warranty has not expired, and
b. The Argo Tractors Dealer making the repair can make
the due arrangements with the original Dealer.
POST-WARRANTY SERVICE
During the warranty period it is advisable to let your Argo
Tractors Dealer perform every repair and servicing. In this
way the Dealer is able to keep under control operation and
performances of your new tractor.
Introduction - Warranty
In order to obtain the best performances from your tractor,
it is important to go on with regular checks and servic-
ing even after the warranty is expired. Turn to your Argo
Tractors Dealer for all main service operations. A trained
engineer will spot any problems between one service
and the next.
Our engineers are regularly trained and updated on the
product, servicing techniques and the use of modern
service tools and diagnostic equipment. They receive
regular Service Bulletins, have all Workshop Manuals and
other such technical information to ensure that the repair
or service is to the standard required.
SAFETY
The safety of the operator is one of the main concerns
in designing and developing a new tractor. Designers
build in as many safety features as possible. However,
every year many accidents occur which could have been
avoided by a few seconds thought and a more careful
approach to handling farm machinery and implements.
Therefore you are required to read through and imple-
ment the safety instructions detailed in the Safety Notes
section of this book.
CAU-
TION: In some of the illustrations used in this
Operator Instruction Book, panels or guards
may have been removed for clarity. Never op-
erate the tractor without these components
in position. If the removal of panels or guards
is necessary to make a repair, they MUST be
replaced before operation.
1-14
P/N 6622427A2 - X6.35 - X6.45 - X6.55
IMPORTANT:
Keep with care this operation and mainte-
nance manual on your tractor. Before driving or operating
your tractor, it is mandatory to read this manual carefully,
with special attention to the chapter concerning safety
rules. Keep the manual always ready at hand in the manual
storage compartment for easier reference. If the tractor
should be used also by persons that do not understand
the language of the Country, the employer (or the machine
user) must translate the operating instructions in the lan-
guage understood by these operators.
NOTE:
If the tractor is sold again, this operation manual
should be left on it. The next owner will require the infor-
mation it contains.
Introduction - Warranty
Fig.1-8 Document pocket
2-1
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Section 2
Safety notes
REGULAR USE
This is an agricultural tractor, whose function consists essentially in traction power. It is therefore specially designed to
push, pull, carry or operate some interchangeable implements for agricultural purpose, or to tow agricultural trailers.
This machine must be driven and operated by an operator suitably instructed and, for countries where it is requested,
firmly seated and wearing a fastened seat belt. [2.x] [2.ab]
This machine is NOT designed for the following purposes:
- To be driven or operated standing high or from outside the cab or the operator's seat, or without fastened seat belts. [2.ab]
- To lift persons.
- To transport persons, within or outside the cab or the operator's seat, in any condition (work or road transport).
- To be used in hazardous atmosphere.
- To be used in forestry.
- To be equipped with front loaders if the tractor is not provided with a suitable structure to protect the operator's seat
from falling and projected objects.
More basic rules
- Keep the cab doors closed while the machine is being used.
- The machine must be used only by a skilled and suitably instructed operator who knows perfectly controls and driving
technique. [2.x]
- External controls of hitch and electro-hydraulic power take-off (if equipped) MUST BE OPERATED standing on one side
outside the tractor and keeping oneself out of the overall width of mudguards [3.b]. It is expressly forbidden to operate
the controls from the rear of the tractor or standing on the inner side of wheels.
- Before any operations, carefully analyse all risks and check that the user is skilled enough to safely operate the machine.
WARNING: Improper use of the machine, specially on rough terrain or slopes, can make it tilt over. Pay
particular attention in case of rain, snow, ice or anyway on slippery ground. It may be necessary to step
out of the tractor to check personally ground quality. In the described conditions, always keep the load as
close as possible to the tractor and the ground. [2.v]
WARNING: Do not try to get off the moving tractor, even if it is overturning, to avoid being crushed under
it, but remain seated with the well fastened seat belt and hold firmly the steering wheel. [2.e][2.ab]
WARNING: If the tractor is used as a fixed power unit without supervision (e.g. connection to a pump unit
for irrigation), put up warnings against this dangerous situation and barriers to keep off unauthorized
personnel.
2-2
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
SAFETY ALERT SYMBOLS AND TERMS
This safety symbol means WARNING! BEWARE! YOUR SAFETY IS IN DANGER!
This alert symbol draws your attention on important warnings on the implement, in the manual or anywhere else. Pay
great attention whenever you see this symbol: there is a great danger of serious or deadly injuries. Follow the instruc-
tions given in the warning.
WHY IS SAFETY IMPORTANT FOR YOU?
ACCIDENTS CAN DISABLE and KILL
ACCIDENTS COST A HIGH PRICE
ACCIDENTS can be AVOIDED
SAFETY - TRACTOR AND IMPLEMENT [3.a]
The tractor is a source of mechanical and hydraulic power.
This Operator's Manual is compiled to cover safe working practices that are associated with the base tractor
operation.
It does not cover all operation and safety instructions relevant to all known implements and attachments that
may be fitted to your tractor in the future.
All implements connected to the tractor must bear the CE mark (Europe only). All equipment to be connected
must be accompanied by a operation and maintenance handbook, to be read before assembling and using the
equipment.
It is essential that operators use and understand the relevant Operator's Manual which accompany such im-
plements and attachments not treated in this book.
SAFETY - ADVICE FOR THE OPERA-
TOR
It is YOUR responsibility to read and understand the
safety section in this manual before operating your tractor.
You must follow these safety instructions that take you
step by step through your working day. DO NOT USE THE
MACHINE IF YOU HAVE ANY DOUBTS:
In reading this section, you will note that illustrations have
been used to highlight certain situations. Each illustration
is numbered and the same number appears in the text in
parenthesis. This reference number is at the end of the
written text concerning the picture and is composed of
two digits separated by a dash: the first digit before the
dash identifies the section, the second one the progres-
sive number of the picture in the section. (e.g. Fig.2-34 =
Figure 34 of Section 2).
Remember that YOU are the only key to safety. Good
safety practices not only protect you, but also the people
around you. Study the features in this manual and make
them a working part of your safety program.
SAFETY - INTRODUCTION
This safety section of your Operator Instruction Book is
intended to point out some of the basic danger situations
that may be encountered during the normal operation and
maintenance of your tractor, and to suggest possible ways
of dealing with these situations. This section is NOT a
replacement for other safety practices featured in other
sections of this book.
Additional precautions may be needed according to the
implements used and to work conditions in the field or
in repair or maintenance areas. The Manufacturer of the
tractor has no direct control over application, operation,
inspection, lubrication or maintenance of utility tractor.
Implementation of correct safety practices in such areas
is therefore YOUR own responsibility.
2-3
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Keep in mind that this safety section is written only for this
type of machine. Practice all other usual and customary
safe working precautions, and above all - REMEMBER -
SAFETY IS YOUR RESPONSIBILITY. YOU CAN PREVENT
SERIOUS INJURY OR DEATH.
SAFETY - DANGER, WARNING AND
CAUTION
Whenever you see the words and symbols shown below,
used in this book and on decals, you MUST take note of
their instructions as they relate to personal safety.
DANGER: The symbol and the word DANGER
indicate an imminently hazardous situation
which, if not avoided, will result in DEATH OR
VERY SERIOUS INJURY.
WARNING: The symbol and the word WARNING
indicate a potentially hazardous situation. If the
instructions or procedures are not correctly
followed, it could result in DEATH OR SERIOUS
INJURY IN EXTREME CASES.
CAUTION: The word CAUTION indicates a limited risk
situation which, if not avoided, will result in MATERIAL
DAMAGES AND/OR MINOR INJURIES.
IMPORTANT: The word IMPORTANT is used to identify
special instructions or procedures which, if not strictly
observed, could result in damage to, or destruction of
the machine, of the work carried out or its surroundings.
NOTE: The word NOTE is used to indicate points of par-
ticular interest for more efficient and convenient repair
or operation.
SAFETY - DECALS
WARNING: DO NOT remove or efface Danger,
Warning, Caution or Instruction decals.
Any lost or effaced Danger, Warning, Caution or Instruc-
tion decals must be replaced. Replacement decals are
available from your Dealer in the event of loss or damage.
The actual location of these Safety Decals is illustrated at
the end of this section.
If a second-hand tractor has been purchased, refer to
the illustrations at the end of this section to ensure that
all the safety warning decals are in the correct position
and readable.
SAFETY - FOLLOWING A SAFETY
PROGRAM
Safe use of the tractor
Only qualified and authorised operators are able to use
farming tractors in safety. To be qualified you must under-
stand the written instructions supplied in this Operator
Instruction Book, have training in the work area, and know
the safety rules and regulations for the job.
Some regulations state, for instance, that no one younger
than 18 (according to European regulations) may use
machines with engines. Tractors are such machines. It is
your responsibility to know these regulations and comply
with them in the area or the situation in which the tractor
is used.
Such regulations include, without limitation, the following
instructions for a safe use of the tractor.
WARNING: The operator must not be under
influence of alcohol or drugs that can impair
his/her coordination or alert conditions. An
operator under prescription for narcotic drugs
needs a medical certificate stating if he/she is
able to use the tractor safely.
Take the following precautions:
Do NOT allow children or unauthorized persons to
drive or use your tractor. Keep others away from your
area of work.
Fasten your seat belt if the tractor is fitted with an
upright safety frame or a cab. [2.ab]
Whenever possible, do not operate the tractor near
ditches, pits or holes in the ground. Slow down when
steering, driving on slopes or driving over rough, slip-
pery or muddy terrain. [2.v]
Keep clear from slopes too steep to operate safely.
[2.v]
Drive carefully, specially on headlands, on road, near
a ditch and around trees. [2.v]
NEVER let anyone get on to the tractor or the imple-
ment.
Hitch only from the recommended hitch points. Never
hitch above the central line of the rear axle.
Operate the tractor smoothly, with no sudden turns,
starts or stops. Apply the parking brake whenever
the tractor is stopped.
Do not remove or alter any part of the equipment or of
the guards. Do not use the tractor if the safety frame
is removed or damaged. Never use attachments that
are not designed for your tractor.
2-4
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
SAFETY - CAB [2.o][2.p]
The safety cab is designed on purpose for this tractor
series and complies with all law requirements concerning
safety and noise level.
The safety cab complies with international safety stand-
ards prescribed by laws in force. The cab MUST NEVER
be drilled or modified in order to install accessories or
implements. IT IS FORBIDDEN to weld components to
the cab or to repair damaged cab components. Never at-
tach chains or cables to the main framework of the cab
for towing purposes.
WARNING: tractors equipped with cab may have
a roof compliant with standard OCSE Code 10
that gives a limited protection against objects
and loads that might fall from above in typical
agricultural work conditions, but not against
objects and loads that might be projected into
the area normally occupied by the operator.
Seat belts must always be worn and adjusted snugly
(Fig.2-2). [2.ab]
From time to time, carefully inspect the seat belt and
replace it if worn or damaged (Fig.2-2). [2.ab]
WARNING: Always fasten your safety belt. [2.ab]
After an accident, let a specialised workshop check the
safety frame, the driving seat, the safety belts and the
anchor points of the safety belts. Replace all damaged
parts before using the tractor again.
ROPS, FOPS, OPS protection
ROPS (safety frame against overturning)
The tractor is provided with a cab with a ROPS safety
structure that protects the driver in case the machine
overturns. In any case the following precautions are
recommended:
Always fasten your seat belt when the tractor is used
for works at risk for rolling over or overturning. The
ROPS cab is can protect only if the operator is correctly
fastened to the seat.
Do no use the tractor on slopes of in conditions that
beyond its safety and stability limits. If operated be-
yond such limits, the tractor can roll over or upset.
Please follow the recommendations of this manual
and take great care when driving down steep slopes
with a loaded tractor.
Take the utmost care when working with the tractor
upon piled-up ensiled crops without concrete trenches
on the sides. Mount dual wheels or increase the track
of the tractor for greater side stability.
Fig.2-1
Fig.2-2
2-5
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
CAUTION
The safety frame is a special safety component
of the machine.
Never connect any towing attachments to the
safety frame. Do not drill holes on the safety
frame.
The safety frame and its connected components are
certified. Any damages, fire, corrosion or modifications
weaken the frame and reduce the protection level. In
this case, the safety frame must be replaced with a new
one to get back to the same protection level as before.
Ask your Dealer for inspections and replacement of the
safety frame.
Following an accident, fire or overturning, the following
operations must be performed by professionals before
using the tractor again on work.
The ROPS frame must be replaced wit a new one.
Check carefully for damages the support or suspen-
sion of the ROPS frame, the operator’s seat and its
suspensions, the seat belts, the mounting components
and the wiring of the protection system.
Any damaged parts must be replaced.
Do not attempt welding, drilling, straightening or repairing
the ROPS frame. Any modification may impair the struc-
ture’s integrity and cause severe injuries or even death
in case of fire, overturning, rolling over, collision or crash.
FOPS (protective structure against
falling objects)
This tractor is provided with a FOPS cab.
The protection level of the FOPS structure of the cab is
approved to the Code 10 OCSE.
The cab with an approved FOPS structure protects against
hazards from falling objects according to the Code 10
of OCSE standards. It is recommended to mount an ap-
proved FOPS structure when you are working with a front
loader or for forestry operations. Cabs with non-approved
FOPS structures do not give a satisfactory protection
against falling rocks, bricks or concrete blocks.
OPS (protection against penetration
of objects)
This tractor is not equipped with an OPS protection struc-
ture. Please read the following important information very
carefully, in particular if forestry work must be carried out.
The protection against penetration of objects (OPS) can
only be obtained by installing a specific kit. Ask your
Dealer for availability of an OPS kit that is approved for
your tractor.
Forestry applications
This tractor is not designed tor heavy forestry work. On
the contrary, such an use is forbidden, unless an approved
KIT FOR FORESTRY APPLICATIONS is installed. Ask your
Dealer for availability of a forestry kit for the tractor model.
Only the specific kit for forestry applications will give a
suitable protection against falling trees.
Mounting and using a front loader
on tractors
Respect the following precautions when working with a
front loader:
Do not use a front loaded on a machine that is not provided
with FOPS structure.
Do not lift the front loader to such a height that ob-
jects could fall on the operator. Objects or parts of the
load could fall out from the loader bucket and crush
the operator. Take care when loads are lifted. Use
suitable lifting equipment. Do not lift the load more
than required. Lower the load during the transport.
Take care to keep a suitable clearance to the ground
or any obstacles.
Always use a suitable equipment (forks, buckets
etc.) for the specific work, to be sure the load has the
maximum stability.
It is recommended that the front loader is mounted
with a parallel driving system. This must be constantly
used to make sure the load in the buckets remains
horizontal, regardless of the height of the lift links.
Keep the whole operation range of the machine and of
the equipment, and do not let anyone enter the work
area of the machine when it is operating. Do not go,
nor let anyone go under the equipment when it is in
the lifted position. Equipment or loads in lifted posi-
tion may lower or fall abruptly, crushing anyone under
them in that moment.
Do not use front loaders, buckets, forks etc. or any
further lifting, handling or excavation equipment to lift
persons. Do not use equipment in lifted position as
a work platform.
Do not use the front loader near overhead electric
lines. In case of contact with overhead electric lines,
jump off the tractor so that you are not touching the
machine and the ground at the same time. If possible,
try and break the contact between the electric lines
and the ground.
Do not leave any equipment in lifted position when
the tractor is parked or during maintenance operations,
unless if is safely supported. The hydraulic rams must
be mechanically locked or supported if they are to be
left in a lifted position for service or access.
Loader buckets, forks and any further lifting, handling
or excavation equipment, as well as their loads, tend to
shift the machine barycentre. In this case the machine
could overturn or roll over on slopes or rough terrain.
The equipment and their loads can obstruct the view
and cause accidents. Do not work if visibility conditions
are unsatisfactory.
2-6
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
2-7
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.2-3
PRECAUTIONS FOR WORKING IN
SAFETY
Protect yourself
NEVER take any risks. Wear all protective clothing and any
personal protection devices (DPI) called for by the work
conditions. (Fig. 2-3).
PERSONAL PROTECTION DEVICES
(DPI)
WARNING: Compulsory personal protection
devices (DPI)
While mounting, operating or servicing the
machine, always wear protective clothing and
personal protection devices (DPI) as necessary
for the specific procedure. Personal protection
devices (DPI) that could be necessary include
safety shoes, eye and/or face protection, hard
hat, heavy gloves, airways and ear protection.
Failure to comply with these directions could
cause injuries or death.
The following personal safety devices DPI are always neces-
sary:
- Hearing protection.
- Safety footwear.
As personal protection device (DPI) is intended any equip-
ment that the worker must wear and keep as protection
against one or several risks of the work operations that
could jeopardize the worker's safety or health, as well as
any complements or implements to this purpose.
DPI's must be used when, though reducing danger at
the source, a few risks cannot be eliminated in any way.
Such DPI's are therefore necessary and mandatory when
residual risks are present.
WARNING: The tractor is not protected against
dangerous matters and emissions. If you are
working in an environment where there is a
danger of inhaling, ingesting or contacting
dangerous matters, the operator should wear
specific personal safety devices.
[2.o][2.p][6.3.2b]
DO NOT wear loose clothing, jewellery or other
items and tie up long hair that could get entan-
gled in controls or moving parts.
Fig.2-3a
2-8
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.2-3b
A first aid kit should be available on any work site (Fig.2-
3b).
First aid kit
If the tractor's owner or the person responsible for safety
requires that a first aid kit should be on board, the kit
should be kept in a safe and suitable place, as the con-
tained material is highly perishable.
WARNING: The tractor is designed and built to avoid
risks from fire in normal use conditions: For this
reason it is not provided with a self-extinguishing
system or a fire extinguisher on board. The tractor is
anyway preset for the installation of a 1 kg dust-type
fire extinguisher complying with UNI EN 3/7 2004, that
should be placed in the space reserved and indicated
to this purpose (Fig.2-4a).
The fire extinguisher with its support can be bought
as a kit by our Dealers or authorised workshops. The
kit consists in a fire extinguisher, support, fastening
means, directions for its mounting and a decal to be
applied in the indicated area. The decal, when applied,
declares that the tractor may not be used if the fire
extinguisher is not in its place.
It is up to the owner of the farm or to the person
responsible for safety at the farm to judge the oppor-
tunity of using the tractor in areas at high fire risk.
They are also responsible for use of the tractor with
the extinguisher duly mounted.
NOTE: the owner of the farm or the person responsible
for safety at the farm carry the responsibility for the perfect
service order of the fire extinguisher on board. Always
refer to the directions given by the producer of the fire
extinguisher. The regular service intervals as prescribed
by the producer of the fire extinguisher are mandatory.
Before using the tractor in conditions of increased fir risk,
make sure the fire extinguisher is loaded and in perfect
service order.
Fig.2-4
2-9
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Know your tractor
You should learn which are the features of your tractor.
You should also learn how to use all equipment provided
on your machine and all the implements and links that can
be used in connection with it. Learn use and function of
each control, indicator and instrument. You must know
rated load capacity, speed ranges, brake and steering
features, steering radius and handling spaces.
You should always keep in mind that rain, snow, ice, gravel
or muddy soil may affect the drive conditions of your trac-
tor. In heavy conditions, slow down and take utmost care.
Engage four-wheel drive, if provided.
You should also thoroughly study the DANGER, WARN-
ING and CAUTION signals on your tractor and all pertain-
ing information before beginning work (Fig. 2.5.
READ THIS OPERATOR INSTRUCTION BOOK BEFORE
STARTING THE ENGINE.
IF THERE IS SOMETHING YOU DO NOT UNDERSTAND,
ASK SOMEONE SPECIALISED (e.g. your Dealer) FOR
EXPLANATION.
IMPORTANT: This manual concerns general safety rules
for agricultural tractors. Always keep this manual in your
utility tractor. For further copies, contact your Dealer.
Always use all available protective and safety
devices.
Keep all protective devices in place and securely fastened.
Make certain all guards, shields and safety signs are
properly installed, as specified, and are in good condition.
To help keep yourself and others around you
safe, your tractor should be equipped and kept
in perfect service order with:
Safety belts.
Power take-off shields.
Shields against heat.
Shields and guards against shearing, pinching and
moving parts.
Rear view mirrors.
Anti-explosion shields on tubes, if required.
Dust filters in the cab
Decals and pictograms.
Means to access the driver's seat.
Driver's seat.
Controls
Operator's and service manual.
Slow Moving Vehicle (SMV) emblem. Additional
safety guards, lights or decals and a back-up alarm
(Fig.2-38 and 2-39) (North America).
Know which devices are required for safe operation of
your tractor. Use them at all times. Make sure they are in
place and in good condition. NEVER remove or disconnect
any safety device.
Fig.2-5
2-10
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.2-7
Check your equipment
Check your tractor before beginning your workday. Make
sure that all systems are correctly operating.
CAUTION: personal safety devices DPI must be worn
for each check and maintenance operation.
DO NOT smoke while filling the fuel tank. Keep away
from any type of open flame (Fig.2-7). [2.l]
Check for loose, broken, lost or damaged parts. Make
sure that all safety devices are in place.
Check safety frame and seat belt for damage. A dam-
aged safety frame or seat belt MUST be replaced.
[2.ab]
Ensure that implements and attachments are properly
installed and that the tractor and implement PTO RPM
ratings match.
Check the tyres for cuts, bulges and correct pressure.
Replace worn or damaged tyres.
Check foot and parking brakes for proper operation.
Adjust if necessary.
Before filling up the tank, turn the engine off and wait
for it to cool down.
Check the engine oil level and top up if required.
Carry out all maintenance and adjustment operations
described in the proper section of this manual.
Check that the PTO drive locking devices are latched.
Check that the tractor PTO shield and driveline guards
are in place and operating properly.
Check the tractor and implement hydraulic system.
Have any leaks or damaged parts repaired or renewed.
HYDRODYNAMIC SYSTEMS: HOSES Hoses are an
important component in modern machines. Hoses
can change their characteristics in the course of time
because of pressure, vibrations, weather etc. Laws
in force prescribe that hoses are replaced within 6
years from their construction. WE RECOMMEND
COMPLIANCE WITH THIS RULE. [2.i]
WARNING: When using the auxiliary control
valves, quick couplings may reach high tem-
peratures. Therefore it is mandatory to use
suitable safety gloves when hitching or unhitch-
ing implements connected to these couplings.
Fig. 2-8
WARNING: Diesel fuel or hydraulic fluid under
pressure can pierce the skin or eyes and cause
serious personal injury, blindness or death.
Fluid leaks under pressure may not be visible.
Use a piece of cardboard or wood to find leaks.
Never use your bare hands. Wear safety goggles
for eye protection. If any fluid is injected into
the skin, it MUST be surgically removed within
a few hours by a doctor familiar with this type
of injury (Fig. 2-8).
Before applying pressure to the fuel or hydraulic system,
be sure all connections are tight and that lines, pipes,
and hoses are not damaged. Before disconnecting fuel
or hydraulic lines, be sure to relieve all pressure.
Make sure that all hydraulic lines are correctly installed
and not crossed or tangled.
WARNING: Liquid cooling systems build up
pressure as the engine gets hot. Before remov-
ing the radiator cap, stop the engine and let the
system cool.
2-11
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Cleaning the tractor
Keep work surfaces and engine compartments clean.
Before cleaning the machine, always lower imple-
ments to the ground, engage the first gear, engage
the parking brake, turn the engine off and remove
the key.
Always use specific PERSONAL SAFETY DEVICES
for each service operation.
Clean steps, pedals and floor. Remove grease or oil.
Brush away dust or mud. In winter, scrape away snow
and ice. Remember - slippery surfaces are dangerous.
Avoid using petrol, paraffin, paint thinner etc. when
cleaning plastic parts, e.g.; console, instrument clus-
ter, monitors and gauges etc.
Use ONLY water, mild soap and a soft cloth when
you clean these parts.
Using petrol, paraffin, paint thinner etc., will cause
cracking or deformation of the part being cleaned.
Remove and put away any tools, buckets, chains
and hooks.
Save the environment
Polluting canals, watercourses or soil is illegal. You
must use authorised drains, including communal areas
and workshops provided with suitable containers for
used up oil. If you have any doubts, contact your
local authority for information.
Check with your local environmental or recycling
centre or your dealer for correct disposal information
on oils, filters etc.
North American Tractors only:
Material Safety Data Sheets (MSDS) provide infor-
mation about the chemical substances within a
product, safe handling procedures, first aid measures
and procedures to be taken when the product is
accidentally spilled or released. In North America,
Material Safety Data Sheets (MSDS) are available
from your dealer.
Before you service your machine, check the MSDS
for each fluid, lubricant, etc., used in this machine.
This information indicates what the risks are and how
to service the machine safely. Follow this information
when servicing the machine.
Disposal of the tractor: the tractor is composed of
parts whose scraping is subject to rules and laws.
Therefore is must be scraped at authorised Centres
when it is no longer used. Do not pollute the envi-
ronment with the tractor or its parts.
SAFETY - TRACTOR MAINTENANCE
[2.h]
During all maintenance and regulations, be careful not
to touch hot surfaces in the engine and transmission. In
particular, avoid any contacts with hot oil when changing
or filling up oil. If the oil is hot, let it cool down somewhat
before going on.
CAUTION: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot water
and engine parts. [2.n]
CAUTION: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
CAUTION: With exception of normal service, as ex-
plained in the Maintenance section, all other servicing
or reparations must be carried out by properly skilled
personnel in authorised workshops.
DO NOT carry out maintenance operations while the
engine is hot or the tractor is moving.
WARNING: Hot parts of the machine are suitably
guarded, wherever possible. This does not ex-
clude, however, that great care should be used
when working on the machine, to avoid burns
or scalding. [2.n]
Before any adjustments or servicing on the electri-
cal system, disconnect the battery by operating the
master disconnect switch (if equipped) or discon-
necting the cables of the battery. See the section
concerning battery servicing. [2.aa]
To prevent fire or explosion, do not go with free
flames near the battery or cold starting device. Care-
fully follow the directions for the use of coupling
cables to avoid sparks that may cause an explosion.
Check regularly that all nuts and bolts are securely
tightened, specially the nuts in wheel hubs, disks
or rims. Tighten to the prescribed driving torques.
Check the oil level at regular intervals and top up
if required.
Check the brakes regularly, top up the reservoir and/
or adjust where necessary. Make sure that the brakes
are evenly adjusted, especially when using a trailer.
WARNING: When maintenance, fill-up, adjust-
ment, cleaning and any other operations are
required on elements at an height over 1.5
meters, e.g. cab air filters or field lights lamps,
a stable and safe climbing means is mandatory,
such as a ladder solidly secured on the ground.
It is forbidden to climb or grab on to elements
such as the tractor access ladder. They must
only be used to climb up and down the control
compartment of the tractor. Maintenance opera-
tions such as window and roof cleaning or cab
filters replacement must be carried out in utter
safety for the operator and the vehicle. Always
2-12
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
use specific personal safety devices for each
operation. If it is required to work suspended
high on above the ground, always make sure to
be in a safe position so as to avoid falling. [2.h]
WARNING: Work and road lights can be very
hot and dangerous if on since a long time. Take
care to avoid contacts that could cause burns.
If work on these lights is needed, turn them off
and let them cool down.
Always use safety gloves suitable for high tem-
peratures. [2.n]
Carry out the following operations before any opera-
tion about the tractor: engage the first gear, engage
the parking brake, turn the engine off and remove
the ignition key. Keep the key in a safe place, only
accessible to authorised users.
Maintenance operations must be carried out when the
engine is cold. If the maintenance operation must be
carried out while the engine is hot (e.g. when changing
engine oil), start the engine and let it idle for the required
time, then turn it off before the maintenance operation.
If you need to open the bonnet, follow the procedure
indicated under "How to open the bonnet". In this case
beware the risk of burning and shearing.
Personal safety devices DPI must be worn for each check
and maintenance operation.
2-13
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
WARNING: for maintenance operations that require
the tractor to be lifted, the tractor must be taken to
your authorised Argo Tractors dealer. All maintenance
operations that involve tractor lifting must be carried
out by skilled and trained technicians at your dealer's.
NEVER try to lift it in unsuitable spaces and with un-
suitable means.
Carry out the following operations before any opera-
tion about the tractor: engage the four-wheel drive (if
equipped), the first gear and the parking brake and put
chocks to the wheels touching the ground.
Before lifting the tractor, avoid its swinging by means
of wooden wedges applied to the front axle (Fig.2-9a):
the chocks (2 - Fig. 2.9a) must avoid any swinging of the
tractor.
Always lift only the rear or front end, NEVER both ends
at the same time.
Use jack lifts (1) of suitable capacity and apply them at the
centre of the front and rear axles (Fig. 2-9a and 9b) paying
due attention to weight distribution.
[2.k]
Apply the jack lift to the lifting points (Fig. 2-10a) according
to the type of operation and following the safety proce-
dures given before.
WARNING: DO NOT raise the tractor using the tow
hook.
WARNING: Never work under a vehicle only
supported by rams.
SAFETY - START [2.c]
Warn bystanders before starting the engine.
Before starting, walk around the whole tractor and any
attached equipment. Make sure that no one is under, on,
or close to the tractor or equipment. Let other workers
and bystanders know you are starting up and don't start
until everyone is clear of the tractor, implements and
towed equipment.
Make sure that everyone, particularly children, is in a
safe position before starting the engine.
Mount and dismount safely [2.e]
Always use 'three point contact' with the machine, and
face the machine when you mount it. Three point contact
means both hands and one foot or one hand and both
feet are in contact with the machine at all times during
mounting and dismounting.
Clean your shoes and wipe your hands before climbing on.
Use handrails, grab handles, ladders or steps (as provided)
when mounting or dismounting.
NEVER use control levers as a hand hold and NEVER step
on foot controls when mounting or dismounting.
DANGER! NEVER try to go on or off the moving
tractor. Before going off the tractor: engage the
parking brake, turn off the engine and take the
ignition key out.
Fig.2-9a
Fig.2-9b
Fig.2-10a
2-14
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig. 2-13
Fig. 2-12
Fig. 2-11
Fig. 2-10b
Safe start [2.c]
WARNING: Make sure that there is enough ven-
tilation before starting the engine. Never start
the engine in an enclosed space. Exhaust fumes
may cause asphyxiation (Fig.2-10b).
Make sure that the tractor dual brake pedals are locked
together at all times unless you are making turns in the
field which require independent use of the brakes. Make
sure the brakes are properly adjusted so that both brakes
engage at the same time.
Adjust the seat and fasten your seat belt (if applicable,
according the description in this book), [2.ab]
Always start the engine from the operator's seat, after
depressing the clutch pedal, with all the levers of transmis-
sion, PTO and auxiliary control valves in neutral.
DANGER: The engine must be started only
with the ignition key and exclusively from
the driver's seat. DO NOT attempt to start the
engine by shorting across the terminals of the
starter motor. If the starter circuit is bypassed to
neutral, the tractor could start with an engaged
gear, with danger of serious injury or death to
bystanders (Fig.2-11).
Follow recommended starting procedures.
Follow the starting procedures recommended in the
Operation section of this Operator Instruction Book. This
includes normal starting, cold starting, and the use of
starting fluids.
Overhaul the controls.
After engine ignition, overhaul all instruments and lights.
Be sure that all are operating correctly. If the machine
does not respond properly to controls, DO NOT use it
until the fault is mended.
Make sure that the starter motor solenoid valve fuse is
always installed.
Starting fluid
WARNING: do not inject fluids (ether) to make the
engine easier to start in cold weather. The tractor is
equipped with a cold weather starting system (Fig.2-
12).
Before starting the tractor, make sure that there are no
persons or hindrances in its operating range (Fig.2-13).
2-15
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.2-14
DIRECTIONS TO AVOID IMPROPER USE OF THE TRACTOR
WORKING IN SAFETY
WARNING: An unbalanced tractor could over-
turn and cause injury or death. If required,
put ballast weights on their front supports and
on rear wheels as described in this section of
the Operation chapter. Ballast weights must be
used according to the manufacturer's directions.
NEVER add extra counterweights to compensate
for an overload. It is better to reduce the load.
WARNING: keep all parts of your body inside the opera-
tor's compartment while operating the tractor.
Follow the rules when using your tractor.
Be sure the tractor is ready for the job on hand. Learn the
rated loads by heart and never exceed them. Make sure
that any implement or equipment you are going to use
does NOT exceed the load capacity of your tractor. Check
that the coupling PTO shaft/implement is correct (see the
Technical Specifications section for mass data).
Take into account that the tractor operates normally on
bumpy, unpaved, rough or sloping surfaces. Operating
conditions might affect the maximum allowed load for
transport or towing.
Working in safety
Operate the controls smoothly, avoid sudden turns
and jerky operations with any controls.
Keep a firm grip on the steering wheel at all times,
with your fingers clear of the spokes when driving
the tractor.
Always use specific personal safety devices for each
service operation.
Make sure you have adequate clearance in all direc-
tions for tractor, cab, safety frame and implement.
NEVER play games with a tractor or equipment.
• NEVER attempt to work the controls except from
the operator's seat.
Before going off the tractor, always disengage the
power take-off, lower links and implements to the
ground, shift the gears lever into neutral, engage
the parking brake, turn the engine off and remove
the key.
Carry out the following operations before leaving the
tractor: engage the first gear, engage the parking
brake, turn the engine off and remove the key.
As an alternative, if the tractor is to be used as a
fixed power unit, before leaving the tractor shift the
gear to neutral, engage the parking brake and use
Before starting the tractor, ensure you have a sure control
over speed and direction controls (Fig.2-14).
every protection or perform every operation neces-
sary to make sure there are no people within the
operating range of the machine.
Before beginning work, inspect the area to be
worked to assess which is the best and safest work
procedure. Plan your work in order to drive straight
forward, whenever possible. Pay due attention to
ditches, pits, depressions in front of the tractor or on
its side, slopes, tree logs and stumps, swamps and
to any hindrance encountered during word. Check
our for any conditions that could be harmful. Make
a plan to avoid such conditions. If you are using a
front loader or foldable implements or implements
containing high components, make sure there are
no hindrances on its way or in the work area, such
as overhead electric lines of high voltage poles [2.g].
When driving on roads, pay attention to overhead
electric lines that could be encountered on the way.
It may be necessary to change your route to avoid
them. [2.q]
2-16
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.2-15




WARNING: If, unluckily, the machine should
touch an electric line, the operator must remain
seated, avoid touching metal parts and steer the
tractor or loader to free it from the contact and
bring it to a safe distance.
The operator must also make sure that no one
comes near the machine. In these cases the elec-
tric shock often hits per person who is working
on the ground, in contact with the metal frame
of the machine or next to it. [2.q] [6.1.1]
WARNING: Contact with high voltage lines can
cause death. Should you contact conductor
lines, DO NOT leave the tractor, but drive the
tractor or loader so as to go a safe distance to
get rid of the contact (Fig.2-15). [2.q] [6.1.1]
WARNING: in case of storms and weather events
such as lightning that can be dangerous for the
safety both of the operator and the tractor, seek
a shelter immediately.
When you are on the road during a storm, keep
yourself away from phone poles, trees or high
places. Do not seek shelter under trees. Drive
back into the garage immediately and close
doors and windows. [2.r]
2-17
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Beware of other people
You must be aware of the operations you are about to
do. NEVER allow unqualified or untrained persons
to operate your tractor. They could be a danger for
themselves or for others.
WARNING: your tractor is designed to be oper-
ated by one person. DO NOT allow others to
ride on the tractor or the implement (Fig.2-16).
Never allow anyone to ride on the implements
or other equipment including trailers, unless
this use is specifically intended. Such equip-
ment must have provision for a safe riding area.
NEVER allow children on a tractor.
WARNING: make sure you can safely control
speed and driving direction of the tractor before
moving it. Start slowly until you are sure every-
thing is operating regularly. After starting, turn
the steering right and left to check for correct
operation. Check steering and brake system for
operation. If the differential is locked, DO NOT
operate at high speed or turn the tractor until
the differential lock is disengaged.
Keep others away from your operation area. Never al-
low anyone to stand or pass under a raised implement
(Fig.2-17).
DO NOT lift objects that cannot be contained safely
in the bucket, get the appropriate attachment. Never
allow anyone to stand on the safety frames or fenders.
When using a loader, avoid sudden stops, starts,
turns, or changes of direction. Keep loads as near
as possible to the ground during transport. [6.1.1]
Never stand (or allow anyone else to stand) in front of,
under, or behind loaded or loading equipment. Never
drive a tractor up to someone standing in front of a
fixed object.
DANGER: NEVER lift a load over anyone (Fig.2-
17).
Keep others away from articulation joints, hitches,
drawbar, lift arms, PTO drives, cylinders, belts, pulleys,
and other moving parts. Keep safety guards in place.
[3.e]
WARNING: NEVER stand, or allow anyone else
to stand between the tractor and implement,
or between the tractor and trailer, unless the
engine is turned off and the parking brake is
engaged, a gear is engaged and all attachments
or implements are lowered to the ground. [3.n]
WARNING: footstep tractors equipped with
just a safety frame are never equipped with an
approved sun roof at the factory. If the owner
wants to mount a device as protection from sun
or rain, such device must not be a danger dur-
ing normal operation or in case of overturning.
Sun roofs normally available on the market are
no protection for the driver against falling or
penetrating objects.
Fig.2-17
Fig.2-16
2-18
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Risk of overturning [2.m]
For your safety, it is mandatory that all footstep tractors
are fitted with original Roll Over Protective Structures
and seat belts.
In the event of overturning with a tractor fitted with a cab
or ROPS, hold the steering wheel firmly and DO NOT at-
tempt to leave the seat until the tractor has come to rest.
If the doors are locked, leave the tractor through the duly
indicated emergency exits (Fig.2-18).
IMPORTANT: the safe working practices listed hereunder
concern only a few cases of overturning risk. The list is
therefore NOT comprehensive of all possible cases.
CAUTIONS to avoid side overturning
Adjust the wheels to the maximum possible track
width for the type of work you are doing.
Lock both brake pedals together before driving on
road.
Reduce your speed according to work conditions.
If the tractor is equipped with a front-end loader, carry
the bucket and load as low as possible. [6.1.1]
Reduce your speed before making wide turns.
DON'T pull a load too heavy for your tractor. It could
run away on the down slope or the tractor could
jack-knife around a towed load (Fig.2-19)
DON'T brake suddenly. Apply brakes smoothly and
gradually.
When going down a slope use the throttle to slow
the tractor engine and use the same gear you would
use to up the slope. Shift into gear before you start
downhill.
Engage four-wheel drive (if equipped); this will give
greater stability.
WARNING: NEVER disengage the clutch or
attempt to shift gear after you have started
downhill.
Always go up and down slopes following a straight
upward or downward line.
Do not put any overloads on a front implement or a
trailer. Use suitable counter-weights to keep the tractor
stable.(Fig.2-20)
NEVER use your tractor to round up farm animals.
Fig.2-18
Fig.2-19
Fig.2-20
2-19
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
When operating near ditches and banks, always keep
your tractor behind the shear line (A, Fig.2-22). Avoid
ditches, embankments and river-banks which might
cave in (Fig.2-21). [2.v]
Fig.2-21
If you need cross a steep slope, do not steer uphill,
slow down and take wide turns. Always drive straight
up or down a slope, never across it. When travelling
up or down a slope, keep the heavy end of the tractor
and the implement pointed uphill. (Fig.2-23) [2.v]
When driving across a slope with mounted imple-
ments, keep such implements on the uphill side
(Fig.2-24). Do not raise implements. Keep them as
low and near to the ground as possible.
Avoid crossing steep slopes if possible. If you must
do so, avoid any holes or depressions on the downhill
side. Avoid any stumps, rocks, bumps or raised areas
on the uphill side. (Fig.2-25)
Fig.2-22
DANGER!
A list of cases and advice to avoid side over-
turning of course cannot be a complete one:
it is up to YOU to consider whether the opera-
tion you want use your tractor for involve a
higher overturning risk. In this case the use
of the tractor is forbidden. [2.m] [2.v]
Fig.2-23
Fig.2-24
Fig.2-25
2-20
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
CAUTIONS to avoid back overturning [2.m]
[2.u]
IMPORTANT: the safe working practices listed hereunder
concern only a few cases of overturning risk. The list is
therefore NOT comprehensive of all possible cases.
WARNING: Hitching to the rear axle, or any
other point above the swinging drawbar, can
cause a rear overturn.
DO NOT pull anything using the top link connection,
or from any point above the centre line of the rear
axle. Always use an approved drawbar, and only use
a drawbar pin that locks into place.
High hitching can cause rear overturn, which may
cause serious injury or death. Hitch loads to the
drawbar only.
Use front counterweights to increase tractor stability
when towing a heavy load or to counter balance a
heavy rear mounted implement (Fig.2-26).
DO NOT overload your tractor and DO NOT ballast
it beyond its capacity. Never add ballast to counter-
weight an overload. Reduce the load (Fig.2-27).
WARNING: overload is ALWAYS dangerous.
Check the load capacity of your tractor and
NEVER exceed it (Fig.2-28). See the Technical
Specifications section. [2.u]
Fig.2-27
Fig.2-28
Fig. 2-26
2-21
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Start slowly and increase your speed gradually. DO
NOT rev the engine or drop the clutch. If the tractor
is attached to a heavy load, or immovable object,
improper clutching may cause overturn (Fig.2-30 and
2-31).
If the front part of the tractor begins lifting, disengage
the clutch at once (Fig.2-29).
If your tractor is bogged down in mud or frozen to
the ground, DO NOT attempt to drive forwards. The
tractor can spin around its rear wheels and overturn
(Fig.2-29). Lift any attached implement and attempt
to BACK OUT. If this is not possible, tow it out with
another vehicle.
If you get stuck in a ditch, BACK OUT, if possible. If
you must drive on, drive very slowly and carefully.
When a trailer is hitched behind a tractor, the tractor
should typically be driven in forward gear both when
uphill and downhill.
A tractor with a loaded front-end (e.g. loader, bucket
etc.) and without a rear trailer should be backed down
the slope and travel forward uphill. Always keep the
loader bucket as low as possible. (Fig.2-31b) [6.1.1]
Always keep the tractor in gear when going downhill.
Never let the tractor coast with clutch disengaged or
transmission in neutral.
Fig.2-29
Fig.2-30
Fig.2-31
Fig.2-31b
2-22
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Warning:
Dangerous operations [3.b] [3.e]
Safe use of power take off
WARNING: if the guards were removed from the
PTO shaft, it is mandatory to install a suitable
cover and guards to protect bystanders and
connected implements.
Do not use the PTO without installing suitable
guards to protect the safety of operators.
Make sure that the PTO shield (1) is in its positions
and that the not rotating shaft cover (2) is mounted
when the power take-off is not used (Fig.2-32).
To engage the power take-off:
a. Make sure that all safety guards and shields of the
PTO shaft are in place and follow the directions of
the safety decals.
b. Make sure that everyone stands clear of the tractor
before engaging the PTO.
c. Make sure that the implement and the driveline uni-
versal coupling are suitable for the use, provided with
specific guards, fully mounted and in perfect order.
d. Make sure that the power take-off rotation rate is
suitable for the mounted implement and for the work
to be carried out.
e. The power take-off must be engaged only from the
driver's seat, carefully operating the specific control.
f. When the power take-off is engaged, never leave
your seat. Before leaving the driver's seat, always
disengage the power take-off shifting the control to
the idle position, wait for the drive transmission shaft
and the implement to stop, engage the parking brake
and turn off the engine.
DANGER: Before connecting, disconnecting,
cleaning, adjusting or carrying out any op-
eration on implements or machines operated
by the power take-off, always disconnect the
power take-off, turn off the engine, wait for the
implement to be stopped and to the ground,
remove the ignition key from the driving posi-
tion (Fig.2-34).
Stationary use of the tractor:
You must always make sure that any bystander are
well clear of the tractor and moving implement. Place
the tractor on a flat surface. Engage the power take-
off as described previously. Before leaving the tractor,
always shift gearbox, reverse shuttle and ranges to
neutral, then engage the parking brake acting with
enough force on the control lever. If soil conditions
so require, block the tractor and implement wheels
with suitable wedges.
DANGER: Do not go near the moving implement
or to the drive shaft, and do not allow other
persons to do so. (Fig.2-33)
Fig.2-32
2-23
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
If the power take off is provided with controls outside
the driver's seat, besides using the above mentioned
precautions, always operate the controls from a safe
position, far from implement and drive shaft, standing
beside the outer edge of the front or rear tyres, as
the case may be.
DO NOT use adapters, reducers or extensions that
could extend the coupling shaft to the PTO or the
universal joint outside the protection of the PTO shield.
The top link and lift rods must not be extended beyond
the point where threads begin to show.
DANGER: NEVER attempt to unplug the hydrau-
lic connections, adjust or service an implement
with the engine running or the PTO drive in
operation. There is a great danger of serious
or deadly injuries (Fig.2-34).
When using chemicals, carefully follow any directions
for their use, storage and discharge. Also follow the
directions given by manufacturers of equipment for
applying chemicals. Always use specific PERSONAL
SAFETY DEVICES for each service operation.
When operating under poor visibility conditions, or
in the dark, use your tractor field lights and reduce
your ground speed. (DO NOT use your field lights
when travelling on a roadway because rear pointed
white lights are illegal except when reversing and
may confuse following drivers).
Operate your tractor with the wheels set at the widest
setting possible, consistent with the particular task
you are performing. To adjust wheel settings, refer
to Section 6 "Tyres - Wheels - Ballasting".
Slow down when working on rough or slippery ter-
rain, and when visibility is reduced by bushes or
foliage.
DO NOT make sharp turns at high speed.
WARNING: some mounted or semi-mounted imple-
ments can interfere with the cab and damage it. In
this case the operator may be wounded by a broken
glass or the ROPS frame can be damaged.
Fig.2-33
Fig.2-34
2-24
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Implements and attachments [6.1.1] [3.o]
WARNING: Use exclusively front loader ap-
proved by the tractor's manufacturer, with CE
mark and parallelogram type. The installation
and modification of the tractor must be carried
out with the highest technical standards by
specialised workshops with qualified person-
nel. Such workshops must be able to guarantee
and attest the risk analysis provided for in the
Machinery Directive 2006/42/EC concerning the
foreseen and predictable use of the tractor with
front loader, in order to carry out all required
adaptations of the tractor. Use the front loader
and all supplied equipment as prescribed by
the loader's operator manual.
IMPORTANT: Keep the loader's operation manual together
with the tractor's manual, always at hand in the storage
compartment of the tractor. Before driving or operation
your tractor, it is mandatory to read this manual very care-
fully, with special attention to the chapter concerning
safety rules.
DANGER: Use of the front loader and of the
tractor equipped with front loader, if not cor-
rectly carried out, and handling not secured
loads or with unsuitable equipment constitute
a serious danger for the operator and everyone
standing by, because of the danger of falling
objects. (Fig.2-35)
[6.a]
Three-point hitch and side mounted implements make
a much larger arc when turning than towed equipment.
Make certain to maintain enough clearance for safe
turning. [3.b]
To use mounted, semi-mounted and towed equipment
it is required to use exclusively CE marked implements,
after reading their operation and service handbooks
carefully, giving maximum attention to risks connected
with their association to the tractor. [3.a]
If implements are hitched to the tractor by means of
the three-point linkage, check for compliance of the
implements according to category. [3.a]
The implement has to be fitted with suitable supports
in order to avoid tipping or accidental shifting during
hitching.
Always check three-directional fastening to the tractor
of the mounted or semi-mounted implement, to avoid
dangerous swinging and shaking during transport and
work that could jeopardize the stability of the tractor-
implement assembly. [2.u] [2.z]
The cardan shaft must be always CE-marked and
suitable to tractor-implement coupling. Follow all
directions of the operation manual, concerning both
the fastening according to connection direction and
safety rules to avoid rotation of protections (chains)
and overlaying of the telescopic tubes. Also keep
articulation angles. [3.e] [3.l]
Hitch loads to the drawbar only. Towing or attaching
to other locations may cause the tractor to overturn.
(Fig.2-36) [2.u] [2.z]
Improper use of the drawbar, even if correctly posi-
tioned, can cause a rear overturn. [2.u] [2.z]
Fig.2-36
Fig.2-35
WARNING: a tractor provided with 2-post frame
or cab, cannot be provided with a front loader
if not also provided with a protection from fall-
ing objects (FOPS). In such conditions there is a
residual risk from lack of passive protection from
objects falling from above due to improper use of
the equipment.
To reduce risks, the following precautions should be
used.
- Only use loader equipped with a load self-levelling
system, i.e. of the parallelogram type.
- Only use specific implements for the operation to be
performed. Strictly follow the directions and warnings
in the loader's operation manual.
[2.g]
- Use the machine and the implement with caution,
drive on plane ground and avoid pits, excavations and
ditches. Do not turn, start or stop abruptly.
- If a front loader is mounted afterwards, it is advis-
able to use a tractor with cab or with a 4-post frame
with FOPS safety system. The loader installer should
carefully analyse all risks and make all required ad-
justments.
2-25
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Check for correct coupling between tow hook and
trailer. Refer to the “Operation” section 5 in this
manual. [2.z]
Use ballast as recommended. NEVER add more ballast
to compensate a higher load than allowed. Reduce
load.
Only North American markets. A safety chain will help
control drawn equipment should it be accidentally
separated from the drawbar while transporting. Us-
ing the proper adaptor parts, attach the chain to the
tractor drawbar support or other specified anchor
location. Provide only enough slack in the chain to
permit turning. See your Dealer for a chain with a
strength rating equal to, or greater than the gross
weight of the
towed machine (Fig.2-37)
Road transport
Before operating your tractor on a public road, a number
of precautions must be taken.
Make yourself familiar with all driving controls of your
tractor.
Comply with all local bye-laws, and national laws
appropriate to your tractor.
Lock your brake pedals together.
Raise all implements to their transport position and
lock them in place.
Place all implements into their narrowest transport
configuration.
Disengage the PTO and differential lock.
Make sure tractor and equipment are equipped with
slow moving vehicle (SMV) signs or beacon if local
laws requires them (Fig.2-38 and 2-39).
Make sure any required clearance flags or hazard
lights are in place and in working order.
Make sure you use a proper safety hitch pin with a
safety clip retainer.
Clean off all reflectors and road lights, front and rear,
and be certain they are in working order.
Three-point hitch and implements jutting out from
the sides make a much larger arc when turning than
towed equipment. Make certain to maintain enough
clearance for safe turning.
Highway Code regulations
Before operating your tractor on a public road, a number
of precautions must be taken.
WARNING: DO NOT allow any passengers on the
tractor, trailer or towed equipment.
Know the route you are going to travel.
Use the prescribed lights or, if required, the rotating
beacon, both in the daytime and in the night-time
(Fig.2-39).
North America - Use regulation lights and blinking
hazard lights when travelling on road.
Use caution when towing a load at transport speeds
especially if the towed equipment is NOT equipped
with brakes.
Observe all local or national regulations regarding the
road speed of your tractor.
Use extreme caution when transporting on snow-
covered or slippery roads.
Fig.2-38 - Use the symbol in force in your country
Fig.2-39
Fig. 2-37
CAUTION: To drive the tractor on public roads, it
is mandatory to abide by the laws in force in the
country where the tractor is being used, includ-
ing the dictated speed limit and the correct use of
lights, hazard light and slow moving vehicle signs.
When driving on public roads, it is also mandatory
to use the tractor with the brake pedals coupled
with the relative latch.
2-26
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.2-40
Fig.2-41
Wait for traffic to clear before entering a public road.
Beware of blind intersections. Slow down until you
have a clear view.
DO NOT attempt to pass at any intersection.
Slow down for turns and curves.
Make wide, gentle turns.
Signal your intent to slow, stop or turn.
Shift to a lower gear before going up or down hills.
(Fig.2-40)
Keep tractor in gear. Never coast with the clutch
disengaged or transmission in neutral (Fig.2-40).
Check for correct coupling between power steering on
the tractor and corresponding system on the tractor.
STAY OUT of the path of oncoming traffic.
Drive in your correct lane keeping as near to the curb
as possible.
If traffic builds up behind you, pull off the road and
let it go by.
Drive defensively. Anticipate what other drivers might
do.
When towing a heavy load, start braking sooner than
normal and slow down gradually.
Watch out for overhead obstructions (bridges, trees
etc.).
SAFETY - AFTER USE [3.c]
Always stop the tractor safely (DO NO park the tractor on
a slope). Engage the parking brake, engage the Park-Lock
(if equipped), disengage the PTO, engage the lowest gear,
lower any implement to the ground, stop the engine and
remove the ignition key BEFORE leaving the driver's seat
(Fig.2-41).
WARNING: To prevent accidents do not park
the tractor with equipment raised.
2-27
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Further notes
The following notes are designed to complete the Opera-
tion and Maintenance Manual to ensure that your tractor
always works safely, reliably and efficiently.
Tractors are mainly designed for hitching implements
that are held by a three-point linkage, for towing them by
the tow-hooks or for driving implements using the PTO.
To obtain the greatest possible towing force, particularly
when using a tractor with dual rear wheels, you should
observe the following rules concerning axle loads and
wheel slip.
If an extra implement is attached, the extra loads must
conform to the specifications given in the Manual or by
your dealer.
1. Front axle payload: 4WD tractors.
A front axle carries normally about 40% of the tractor
on road without implements. Therefore an additional
weight on the front and could be required to give the
front axle proper drive.
If an implement is mounted on the front end of the
tractor, check the weight of the fully loaded implement
by placing the front axle on a scale: the maximum
axle load must be less than the capacity of the front
axle.
Consult this manual or your Dealer to know maximum
load capacity of front axle (max. weight on front axle)
according to tyres mounted on your tractor.
2. Rear axle payload.
The maximum permissible payload for the rear axle
depends on whether or not the tractor is carrying a
weight or towing a load.
When the tractor is only carrying a load, without tow-
ing, the wheels must have sufficient capacity that is
ensured if the tyres are of the exact size and have
the specified number of warps (plies).
In certain conditions, extra weight may be applied to
the rear axle but it is not normally necessary unless
the ground offers very little grip.
Consult this manual or your Dealer to know maximum
load capacity of rear axle (max. weight on rear axle)
according to tyres mounted on your tractor.
When fully loaded, the weight of the tractor must be
less than the maximum permissible ballasted weight
since the tractor cannot be loaded right up to the
maximum static payload for each of the axles, front
and rear, at the same time.
3. Ballast and wheel slip.
Wheel slip must be measured for the tractor to oper-
ate efficiently during tillage.
On normal terrain in good operating conditions, wheel
slip should be between 4 and 10%.
On wet soil, wheel slip can exceed 12%.
If wheel slip is found to be greater than this amount,
proceed with care as operating conditions might
quickly become unstable and cause early tyre wear.
In certain conditions, it might be better to add ballast
in order to reduce wheel slip, but this increases the
workload of the transmission and thus reduces the
working life of the tractor.
This manual will help you ascertain the maximum bal-
last weight that you can use in your normal working
conditions.
Using dual wheels (if allowed) or wider tyres, the
tractor will have greater grip but the workload on the
transmission will also be greater, thus reducing the
working life of the tractor.
The only torque limiter in transmission is wheel slip.
4.
Front axle lead when four-wheel drive is en-
gaged.
In a 4WD tractor, the ground speed of the front wheels
must be slightly faster than the rear wheels, in order
to ensure traction in any condition.
Therefore the front wheel lead should be between
1% and 4%, but not over 5%
The tyres supplied with your tractor have been checked
for the correct lead of the front wheels, but when you
change them, make sure you use tyres of the same
make and size in order to maintain the same speed
ratio between front and rear wheels.
If tyres of different makes are used, their size and
internal pressure may modify this ground speed ratio,
or advance. This could increase the load on the front
axle and lead to unacceptable operating conditions,
excessive tyre wear and, in extreme conditions, dam-
age to the front axle or transmission.
Always use the correct tyre pressures based on
tractor loading and ground conditions. This ensures
optimum performance greater operator comfort and
overall safety and reduces wear and tear to the drive
train components
2-28
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
9. Operating the clutch.
Prolonged clutch slipping at high engine speed with
large loads will cause the clutch disc to heat up,
thereby reducing its working life. For optimum life of
the clutch, both the tractor load and the engine speed
rate should be reduced when starting from parking
position.
10. Further instructions for the operator.
The Operation and Maintenance Manual provides
instructions to ensure that the tractor is always used
in safe conditions. Please comply strictly to them.
If your tractor is also driven by other people, make sure
that they are fully aware of these accident prevention
instructions and that they are licensed for driving this
vehicle.
It is forbidden to carry anyone on the outer structure
of the tractor or on mudguards in any circumstances.
This is because the safety frame that protects against
overturning is only designed to protect persons inside
the cab or roll-over protection structure, correctly
seated and wearing properly fastened safety belts.
[2.ab]
11. Instructor's seat use [2.w] [2.ab]
a. An eventual second seat in the cab is only provided
for a driving instructor.
b. The passenger must always fasten the safety belt
when the tractor is moving.
c. It is forbidden to transport any passenger during
normal work operation on the field or on road.
12. Chemical filters for the cab.
Use of a filter with chemical absorbent in air-condi-
tioned cabs can reduce ambient contamination on
the cab.
PERSONAL PROTECTION EQUIPMENT FOR THE
DRIVER MAY BE HOWEVER NECESSARY WHEN
USING CHEMICAL SUBSTANCES.
Wash the tractor and driver's seat accurately accord-
ing to the directions on the product label.
ALWAYS follow the instructions on the labels of the
chemical substances and on the filters to be used.
13. Battery
For detailed information, see the sections Maintenance
- Electric system.
5. Economy Power take-off
As shown in the Operation and Maintenance Manual,
the economy PTO is a feature that makes it possible
to use the PTO at standard speed using lower RPM
rates to reduce fuel consumption.
The economy PTO does not need to use the maximum
power of the engine, but it is designed to save fuel.
When using the Economy PTO, make sure that the
implement input shaft RPM NEVER exceeds the rec-
ommended RPM for the implement, e.g. max. 610
RPM for a 6 spline shaft (540 RPM), and max. 1170
RPM for a 21 spline shaft (1000 RPM).
6. Working on slopes.
It is important to note that, when working on very steep
slopes, the lubrication conditions in the transmission
may be reduced. This is caused by the oil flowing
towards the front or rear part of the transmission unit.
Special measures and extra lubrication may be re-
quired when using the tractor in a safe condition.
Your dealer will be able to assist you if you expect to
work on slopes of over 15°.
WARNING: Risk of overturning.
Stability and adherence on sloping ground
might easily change according to soil and
weather conditions. Use the tractor with ut-
most care. [2.m]
7. Remote hydraulic controls.
The hydraulic system of the tractor may be used in
some particular applications to operate the hydraulic
motors.
When using these applications, note that the hydraulic
motors can generate considerable heat and the oil
cooling system of the tractor may not be sufficient
when these high-power hydraulic motors are used.
Some remote applications have an extra cooling sys-
tem. However, every time they are used, make sure
that the oil is cooled and filtered sufficiently in order
to avoid damage to the tractor's hydraulic system.
8. Towing heavy loads (trailers, etc.)
When heavy loads are towed, the road rules in some
countries require a supplementary braking system
(e.g. air or hydraulic trailer brakes).
Consult your dealer for any further requirements there
may be for special applications.
2-29
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Tractor stability
[2.m] [2.u] [2.z]
The following procedure describes the conditions for a
proper stability and gives instructions to calculate correct
front and rear ballasting. For ballasting, also consult the
pertaining recommendations in this manual. For maximum
allowed weight in running order, refer to weight and load
data in this manual.
RISK OF OVERTURNING!
To prevent machine instability, ALWAYS evalu-
ate and comply with stability requirements as
given in this manual.
Failure to comply with these directions could
cause injuries or death.
The following procedure and calculations refer to the
tractor on level ground.
RISK OF OVERTURNING!
ALWAYS keep in mind the possible conse-
quences of downhill driving and steep slopes
on tractor's stability. Such conditions can affect
operation, turning and braking performances.
Adjust ballasts and ground speed to ensure
a safe and stable braking, as well as braking
performances required in critical conditions.
Failure to comply with these directions could
cause injuries or death.
How to calculate tractor stability as suggested by EN
12525.
Data required to evaluate tractor stability
1. The weight of the implement (seed drills, fertiliser
spreaders, etc.) and of the relative filling material must
be added to the weight data of the loaded tractor.
2. Ballasting data, either with ballast blocks or liquid
ballast, on front or rear wheels must be added to MF,
MR and MT data.
3. If two-wheel trailed implements are mounted, value
c corresponds to the distance of the rear axle centre
line and the attachment point, value d is 0 (zero) and
BR corresponds to the downward load of the trailer
on its attachment point.
Key
Please
refer to:
MT
Tractor's empty weight = trac-
tor with standard equipment,
fuel at min. level, without liq-
uid ballast or blocks, without
operator and with single tyres
This manual
MF Empty load on front axle This manual
MR Empty load on rear axle This manual
a
Distance from front load centre
of gravity to centre line of the
front axle
Implement's
manual or to be
measured
b
Centre distance
This manual
c
Distance from rear axle centre
line to bottom attachment
point of three-point linkage
This manual or
to be measured
d
Distance from centre of grav-
ity of rear load to bottom at-
tachment point of three-point
linkage
Implement's
manual or to be
measured
and
Distance from centre line of
rear axle and centre of gravity
(COG) of MT (tractor's empty
weight)
To be calculated
(according to
formula in the
following pages)
BF
Weight of front equipment or
front ballasts
Implement's
manual or to be
measured
BR
Weight of rear equipment or
rear ballasts
Implement's
manual or to be
measured
MPT
max
Max. allowed weight with
loaded tractor
This manual
MPF
max
Max. allowed weight on front
axle
This manual
MPR
max
Max. allowed weight on rear
axle
This manual
2-30
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Constant parameters
0.2
Min. distribution ratio of loads:
actual load on front axle in condi-
tions of loaded tractor/tractor's
empty weight
Law require-
ment
0.45
Min. distribution ratio of loads:
actual load on rear axle in condi-
tions of loaded tractor/tractor's
empty weight
Law require-
ment
Ballasts required on front
To be calculated
BFr
Ballasting required on tractor's front end when
transporting a load on rear end BR
Calculation of the value of BFr
MT * and = MF * b
e = (MF * b)/MT
BR * (c+d) - (MT * e) + (MPF * b) = BFr * (a+b)
MPF > 0.2 * MT
Value MPF must be grater than 0.2 * MT
BFR > [BR*(c+d) - (MF*b) + (0.2*MT*b)] / (a+b)
Ballasts required on rear
To be calculated
BRr
Ballasting required on tractor's rear end when
transporting a load on front end BF
Calculation of the value of BRr
MT * (b - e) = MR * b
BF*a - MT*(b - e) + (MPR*b) = BRr * (b + c + d)
MPR > 0.45 * MT
Value MPR must be grater than 0.45 * MT
BRr > [(BF*a) - (MR*b) + (0.45*MT*b)] / (b + c + d)
Load limits on axle
To be calculated
MPF
MPF < MPF
max
MPR
MPR < MPR
max
MTP
MPT < MPT
max
Calculation of MPF
(MPF*b) - BF*(a + b) - (MT*e) + BR*(c + d)
MPF =
[BF*(a + b) + (MF*b) - BR*(c + d)]/b
MPF
max
Calculation of MPT
MTP = BF + MT + BR < MPT
max
Calculation of MPR
MPR = MPT - MPF < MPR
max
To know the value of MPFmax, refer to the values indicated
by the manufacturer in Section 9 "Specifications" of this
manual. [3.h]
2-31
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Tractor's lifting points [2.k]
WARNING: for maintenance operations that require
the tractor to be lifted, the tractor must be taken to
your authorised Argo Tractors dealer. All maintenance
operations that involve tractor lifting must be carried
out by skilled and trained technicians at your dealer's.
NEVER try to lift it in unsuitable spaces and with un-
suitable means.
Carry out the following operations before any opera-
tion about the tractor: engage the four-wheel drive (if
equipped), the first gear and the parking brake and put
chocks to the wheels touching the ground.
Before lifting the tractor, avoid its swinging by means
of wooden wedges applied to the front axle (Fig.2-42):
the chocks (2 - Fig. 2-42) must avoid any swinging of the
tractor..
Always lift only the rear or front end, NEVER both ends
at the same time.
Use jack lifts (1) of suitable capacity and apply them at
the centre of the front and rear axles (Fig. 2-42 and 2-43)
paying due attention to weight distribution. [2.k]
Apply the jack lift to the lifting points (Fig. 2-44) according
to the type of operation and following the safety proce-
dures given before.
WARNING: DO NOT raise the tractor using the tow
hook.
WARNING: Never work under a vehicle only
supported by rams.
Fig.2-42
Fig.2-43
Fig.2-44
2-32
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Access to the tractor with cab
CAUTION: Do not jump on or off the tractor.
It may cause injuries. Always face the tractor,
use the hand rails and steps, and get on or off
slowly. Maintain a minimum three point contact
to avoid falling (both hands on rails and one
foot on the step, or one hand on the hand rail
and both feet on the steps).
Fig.2-45
Enter or leave the tractor through the left-hand door.
Cab emergency exit [2.d]
The rear and right side windows of the cab may be used
as an emergency exit only if really necessary.
In case the cab should be left quickly in an emergency,
and it would not be possible from the left door, turn the
engine off, and open the rear door by means of the middle
handle (Fig.2-46) to leave quickly.
As an alternative, the right-hand side door may be used
for a quick exit.
Fig.2-46
ACCESS TO TRACTOR [2.e]
2-33
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fuel tank filling [2.l]
(Fig. 2-47a)
WARNING: before filling fuel, always turn off the
engine.
WARNING: Never smoke while refuelling. Keep
away from naked flames.
Filling with AdBlue™ or DEF
(Fig. 47b)
WARNING: avoid any contacts with your eyes, skin
or garments.
If ingested. If a great amount of the fluid is ingested,
seek immediately medical help. DO NOT induce vom-
iting it not expressly indicated by medical personnel.
Do not administer liquids to an unconscious person.
In case of contact with your skin, wash with plenty of
water and remove the contaminated garments..
In case of contact with your eyes, wash immediately
with plenty of water. In case of rash, seek medical help.
If gases should be inhaled, go immediately in the open
air and seek medical help, if necessary.
Avoid any contacts of AdBlue™ or DEF with other
chemicals.
Do not drain AdBlue™ or DEF spills into the sewers.
Fig.2-47a
Fig.2-47b
2-34
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Wedges
(if equipped).
DANGER:
The tractor could move unexpectedly!
When using implements that require a tractor at
standstill but with running engine, put into neutral
the gearshift, range and reverse shuttle levers, then
engage the parking brake. For greater safety, use
wedges on the wheels.
Failure to comply with these directions could cause
injuries or death.
WARNING : The tractor could move unexpect-
edly!
Use suitable wedges when the tractor is parked on
steep slopes with engine off.
Place the wedges (Fig.2-48) in front of or behind one of
the rear wheels, according to the direction with respect
to the slope. When the wedge is at rest in its seat, check
that it is secured with its locking hook (Fig.2-49).
WARNING: When installing a wedge under the
wheel, take care not to catch your hands between
the folding metal parts.
Fig.2-48
Fig.2-49
2-35
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Risks from noise
Noise Characteristics and Measurement
Noise is a pressure variation in an elastic medium, gener-
ally the air, produced by the vibration of a material body
(source) that determines an undesired and often annoy-
ing acoustic sensation. Noise is mainly characterised by:
sound intensity or level: expresses the entity of the
pressure variation due to the sound wave. Measured in
decibels (dB), it doubles the sound intensity and, thus,
the energy that reaches the ear.
frequency: expresses the number of pressure varia-
tions of the wave per second and is measured in Hertz
(Hz) - high-pitched noises have high frequencies (2000-
4000 Hz or more), while low-pitched noises have low
frequencies (250 Hz or less).
How the risk is evaluated
The higher the sound level and exposure time, the greater
the noise risk will be.
Two parameters are used:
LAeq (Equivalent continuous weighted level A): this
is a sound level measurement that takes into account
noise fluctuations and the varying sensitivity of the ear
to the frequencies: LAeq is measured with a sound-level
meter;
PEL (Personal Exposure Level): this is a measurement
that takes the various noise levels into account along
with the time the worker remains on the individual
machines or working at certain processes: PEL is
calculated mathematically.
Noise Pathologies
Damage To The Hearing
Noise causes hypoacusis or deafness because it destroys
the acoustic receptors, nervous cells able to transform
the mechanical sound vibrations into nervous impulses
that, on reaching the brain, determine the aural sensation.
These receptors are irreplaceable if they are destroyed and
the resulting damage is irreversible: hypoacusis worsens
if exposure to noise continues and does not improve even
if this terminates.
Moreover, it is also bilateral since it can be accompanied
by annoying buzzing and whistling sounds, and by intoler-
ance to loud noise.
The damage is insidious since it proceeds slowly and
unnoticed: in the initial phase, when it is limited to a di-
minished ability to perceive acute sounds (music, bells)
or the spoken voice when there is a background noise,
it can only be detected by means of an audiometric test.
Pulsating noises of great intensity lasting a very short time
are highly damaging since the ear is unable to actuate any
physiological protective measures in time.
Hypoacusis from noise generally arises after several years
of exposure and depends on the PEL (risk almost null
below 80 dBA) and on individual characteristics. It is an
incurable disease: the only effective means of protection
against it is prevention.
Other Effects
Noise does not just determine aural sensation. For levels
exceeding 70 dBA, it causes stress by means of the
cerebral integration centres and determines a specific
neurovegetative reaction responsible for effects that lead
to cardiocirculatory and gastroenteric diseases.
Amongst these, it is worthwhile noting: an increase in
gastric acidity, a decrease in the heart rate, visual range
and reflex speed; a sensation of discomfort and weariness
with an increased sense of fatigue.
These effects are dangerous because they also increase
the risk of accidents.
Personal protections against noise
Individual protective equipment attenuates the sound
energy transmitted to the ear through the air.
This equipment is used when dangerous exposure cannot
be avoided in any other way.
There are different types of devices with different attenu-
ating capacities: helmets, ear muffs, ear plugs (Fig.2-50).
Helmets and headsets have the highest dampening ca-
pacity and their use is mandatory when working off road
and noise is over the limits given hereunder.
Earplugs are generally better tolerated and are particularly
useful for prolonged exposition to lower noise levels.
WARNING: It is prescribed that suitable personal hear-
ing protection be used if exposed every day to a noise
level equal or higher than 85 dBA.
Consult the "Technical specifications" section of this
manual in relation to tractor noise measured in in-
stantaneous conditions in compliance with the laws
in force.
WARNING: Do not open the windscreen, the doors or
the side and rear windows during work. The noise in
the cab could rise to such level as to oblige the opera-
tor to wear headsets or other individual protection
against noise.
Fig.2-50
2-36
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
POSITIONS OF THE SAFETY DECALS
All markets (North America excluded)
WARNING: Decals must be always readable. Failing this, ask your Argo Tractors Dealer for new ones.
Position on the tractor
27
2-37
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Decal 1
WARNING: Very hot surfaces.
The hands and fingers could be
scorched. Warning: keep well clear
of hot parts. Keep at a safe distance.
Decal 2
WARNING: Danger of entangle-
ment. Keep your hands well clear
of spinning parts. Take care not to
become entangled in the belts or
pulleys whilst the engine is run-
ning. Keep the guards in place.
Decal 3
DANGER: Jets of hot steam or hot
water. Protect your face. The radia-
tor will be under pressure when the
engine is hot. Remove the plug with
caution and only when the engine
is cold.
Decal 5
WARNING: Danger of being
crushed. Always wear the seat belt
when the safety frame is in the
vertical position.
Decal 6
WARNING: Take care. Carefully
read this operation and mainte-
nance manual before using the
machine. Pay particular attention
to the instructions about safe use
of the machine.
Decal 4
WARNING:
Danger of
damaging tractor com-
ponents and the brake
circuit in particular. Be-
fore servicing the tractor,
it is essential for you
to have read through
the warnings and the
instructions in the opera-
tion and maintenance
manual.
Decal 8
DANGER: Danger of entanglement.
Keep well away from spinning shafts.
Take care NOT to remain caught up
by the PTO driveline. Keep all the
guards mounted on the transmission
shafts of the tractor or implements.
Decal 7
Affixed to the safety frame (only on
footstep tractors).
WARNING:
Danger of being crushed.
Always keep the safety frame in its
correct position during work. Never
use the tractor without mounting
the safety frame.
Decal 9
DANGER: Danger of being crushed.
Always apply the parking brake
(and the park lock if installed)
when you stop the tractor and
before getting off it.
Decal 10
On lh mudguard for tractors with
safety frames.
WARNING: Danger of being
crushed. DO NOT allow anyone
to sit on the fenders or on any
other part of the tractor or towed
implements.
2-38
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Decal 13
WARNING:
Electrocution. Always
disconnect the negative
battery terminal before
removing the cover of
the solenoid and before
servicing the electrical
system.
Decal 12
DANGER: Danger of be-
ing crushed. DO NOT
start the engine by short-
ing across the terminals
of the starter motor. This
operation will place your
life in danger. Only start
the engine when you are
sitting in the driving seat.
Decal 11
DANGER: The tractor could over-
turn and crush the chest. Hold
firmly on to the steering wheel
if the tractor is overturning. DO
NOT leave your seat or jump off
the tractor.
Decal 14
WARNING: Danger of entangle-
ment and shearing. Keep your
hands well clear of the fan blades
when the engine is running. Al-
ways keep the guards and screens
mounted.
Decal 15
WARNING: Danger of electric
shock. Always disconnect the
negative battery terminal before
removing the battery or before
servicing the electrical system.
Decal 16
DANGER:
Risk of impact and seri-
ous accidents. Keep to one side of
the tractor when using external lift
controls. NEVER STAND between
tractor and implement - you could
be hit by the implement.
Decal 18
Footstep tractors
WARNING: Danger of being crushed.
Enter or leave the tractor through
the left-hand side. Take care not to
touch the control levers if you get
in or out of the tractor from the
right-hand side.
Decal 18
Tractors with cabs
WARNING: Danger of being crushed.
Climb in and out of the tractor us-
ing the left-hand door. If entering
or leaving the tractor through the
right-hand door, avoid any contact
with control levers.
Decal 19
WARNING:
Use individual protections during work, such
as overalls, heavy duty gloves and safety footwear.
DECAL 20
CAUTION: Do not step or climb onto
parts that are not specifically designed
or mounted to this purpose.
2-39
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Decal 24
WARNING:
Danger of liquid under pres-
sure being ejected from hydraulic circuits.
Decal 23
WARNING:
General warning. Turn off the
engine and remove the ignition key be-
fore any servicing operations and before
getting off the machine for any reason.
Decal 22
WARNING: Tractors with cabs have no protection
against dangerous substances, but do have protection
against dust (protection level 2). If the tractor is used
to spray phytosanitary products or chemicals gener-
ally thought of as hazardous to health, the operator
must wear individual protections (mask) suitable to
the harmfulness of the actual product used.
Decal 25
WARNING: Emergency exit indication.
Decal 26
On the right-hand side in the front, on the
radiator core of the front hitch (if installed).
DANGER: Beware of hanging loads.
Keep at a safe distance to avoid being
hit or crushed.
Decal 27
(If the tractor is equipped
with instructor seat).
WARNING: The seat for an
instructor (with a seat belt
that must be worn at all
times) may be occupied
only when driving on road,
but not when working in
the field.
Decal 28
Only for the Italian market - Only 4WD tractors
WARNING: The four-wheel drive MUST be engaged
before the parking brake is operated.
Decal 29
WARNING: Take care. Consult the operation and
maintenance manual for information about safety
and how to use the tractor.
DANGER: Danger of entanglement. Keep well away from
spinning shafts. Take care NOT to remain caught up
by the PTO driveline. Keep all the guards mounted on
the transmission shafts of the tractor or implements.
2-40
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Decal 30
Provided by the front PTO maker (if equipped with front
PTO).
WARNING: Keep yourself at a safe distance. Speed
(rpm) and spinning of the front
PTO shaft.
Decal 32
CAUTION:
only use the points as indicated in this decal
to hoist the tractor.
Decal 31
WARNING:
General warning. Posi-
tion where the fire extinguisher and
its support are placed.
2-41
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
POSITIONS OF THE SAFETY DECALS
North American tractors
WARNING: Decals must be always readable. Failing this, ask your Argo Tractors Dealer for new ones.
Position on the tractor
2-42
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
WARNING
Whenever clearance permits:
- Keep Rollover Protection Structure
fully extended and locked.
- Keep seat belt fastened.
When structure must be lowered:
- Drive with extra care.
- Seat belt use is not recommended.
No ROPS protection is provided in the
lowered position.
Decal 5
ROPS upper frame missing.
To avoid injury or death from
tractor rollover, reinstall upper
frame before using tractor.
WARNING
Decal 4
WARNING
Personal injury could result from PTO driveline separation.
1. Drawbar supplied provides standard distance “A”. Do not change.
2. Three-point link distance “C” and mounter implement distance “D” may not be standard.
PTO SHAFT SIZE DISTANCE “A”
540 35mm (3.51 cm) 356mm (35.56 cm)
1000 35mm (3.51 cm) 406mm (40.64 cm)
Measure distance “B” over complete lift range for
tractor and implement combination. Select driveline
length to ensure that driveline will not bottom out at
minimum distance “B” and will have sufficient overlap
at maximum distance.
Decal 6
Serious personal injury or ma-
chine damage may result from
overspeed of PTO driven equip-
ment.
Never use the 1000 rpm setting
with the 6 spline shaft installed.
WARNING
Decal 7
DANGER
DANGER
Pull only from ap-
proved drawbar or
lower links of 3-point
linkage at horizontal
position or below.
Rotating driveline con-
tact may cause serious
injury or death.
Keep all driveline, tractor
and equipment shields in
place during operation.
Decal 8
Decal 10
Decal 2
High pressure steam and
hot water.
Remove filler cap with
extreme care.
WARNING
WARNING
To avoid personal in-
jury, keep all shields,
covers and guards in
place while engine is
running.
Beware hot parts
Decal 1
Use only mineral type brake fluid as
specified in the Operator’s Manual.
Incorrect fluid could cause brake sys-
tem fallure and loss of control, resulting
in personal injury or death.
WARNING
Decal 3
WARNING
Serious personal injury
or machine damage
may result from over-
speed of PTO driven
equipment.
Select tractor PTO
speed to match imple-
ment specified speed.
Do not operate PTO
above recommended
maximum speed.
Nominal Maximum
540 630
1000 1170
Decal 9
2-43
Safety notes
2
P/N 6622427A2 - X6.35 - X6.45 - X6.55
WARNING
Do not jump if
tractor tips
USE SEAT BELT.
Keep seat belt adjusted snugly
Decal 11
Decal 12
CAUTION
Read the operator instruc-
tion Book for safety infor-
mation.
Fasten your seat belt be-
fore tractor operation.
Start engine only when
seated in operator’s seat.
Make sure everyone is
clear of tractor and equip-
ment before starting en-
gine or operation.
Keep all shields, covers
and guards and place and
stay away from moving
parts while engine is run-
ning.
Place transmission shift
lever in neutral and apply
parking brake before us-
ing external 3-point hitch
controls.
Apply parking brake,
lower equipment, stop
engine and remove key
before leaving the tractor
unattended.
Wait for all movement to
stop before servicing trac-
tor or equipment.
Securely support or block
lifted implements which
must be in the raised
position for servicing or
adjustment.
Couple brake pedals to-
gether for road travel.
Use flashing warning
lights and SMV emblem
when on public roads,
except where prohibited
by law.
Always drive with care and
attention.
Decal 13
WARNING
Stand clear when
using switch to
move 3-point
hitch.
Decal 18
DANGER
Start only from seat
with transmission and
PTO in neutral.
Starting in gear kills.
Decal 14
Decal 15
WARNING
Remove negative ca-
bles from batteries
before removing sole-
noid cover and before
servicing the electrical
system.
WARNING
Keep hands clear of fan
and belts while engine
is running.
Decal 16
DANGER
Shield
eyes
Explosive
gas
Avoid sparks
and flame
Sulphuric
acid
EXPLOSIVE GASES
Always shield eyes and face from bat-
tery. Cigarettes, flames or sparks could
cause battery to explode.
Do not charge or use booster cables or
adjust post connections without proper
instructions or training.
POISON: causes severe burns
Contains sulphuric acid. Avoid contact
with skin, eyes or clothing.
In event of accident flush with water
and call a physician immediately.
Keep out of reach of children.
Decal 17
Decal 19 Decal 20
DANGER
CAUTION
Read the operator instruc-
tion Book for safety infor-
mation.
Rotating driveline contact
may cause serious injury
or death.
Keep all driveline, tractor and
equipment shields in place
during operation.
2-44
Safety notes
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Controls
3-1
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Section 3
Controls - Cab
3-2
Controls
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig. 3-1
Main controls
Main instruments and controls - Fig.3-1
1. Powershuttle reverse shuttle control lever
2. Control and instrument panel
3. Hi-Lo button (green) (HML as option)
4. Declutch button (orange)
5. Speed control lever
6. Rear hydraulic control valve levers
7. Rear hydraulic control valve lever (with diverter valve
button, optional)
8. Rear PTO engagement/disengagement switch
9. Cigarette lighter
10. Transmission reactivity adjustment potentiometer
11. Control panel of electronic hitch
12. Hydraulic top link control
13. Hydraulic right link rod control
14. Differential lock button
15. 4WD switch
16. Front PTO button (only with front PTO)
17. Stationary button
18. Rear auto PTO button
19. Retainer block for auxiliary control valves lever
20. Hand throttle
21. Range selector lever
22. Constant engine revolutions (if equipped)
23. Throttle pedal
24. Brake pedals
25. Clutch Pedal
26. Disconnect switch
27. Joystick lever (only mounted in setups with midmount
control valves)
28. Suspended axle activation button (if equipped)
Controls
3-3
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig. 3-2
Controls on the left side of the
driver's seat.
(Fig.3-2)
1. Parking brake hand lever
2. PTO type selector lever (standard - eco)
3. Rear PTO operation selector lever
4. Rear PTO speed selector lever
5. Control position for parking brake
See the Operation section of this manual for the correct
use of each control.
Fig. 3-3
Controls on the left side of the con-
trol turret
Switches (Fig. 3-3)
1- Front field lights switch:
0. Off
A. Field lights on roof are on
B. Field lights on roof + field lights on bonnet are on
2- Rear field light switch:
0. Off
A. Rear field lights are on
3- Hazard lights switch
(1)
:
0. Off
A. Hazard lights are flashing
4. Revolving beacon switch
(2)
:
0. Off
A. The revolving beacon is on (if 2 beacons are in-
stalled, both will be turned on at the same time)
NOTES:
(1): for the correct use of hazard lights, see further in this
section.
(2): for the correct use of the revolving beacon, see further
in this section.
3-4
Controls
P/N 6622427A2 - X6.35 - X6.45 - X6.55
LED and backlighting functions on
switches - Fig.3-4
NOTE: The following indications are valid for all switches
and buttons installed on this tractor.
1- Backlighting: WHITE. Backlighting lights up as soon
as the function controlled by this switch/button is
activated.
2- Activation indicator LED: BLUE. The LED lights up to
show that the function controlled by this switch/but-
ton is activated.
3- Backlighting: RED. Backlighting flashes when the func-
tion is activated.
Mechanical hitch controls - Fig.3-5
1- Automatic raising control (ELS) (if equipped)
2- Automatic lowering control (ELS) (if equipped)
3- Position control
4- Draft control command
See the “Operation” section of this manual for the cor-
rect use of the hitch.
Fig. 3-4
Fig. 3-5
Drive direction reversing lever
(1 - Fig. 3-6)
See the Operation section of this manual for the correct
use of each control.
Fig. 3-6
Controls
3-5
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Tractor Warning Lamp Usage
- The flashing amber warning lamps must be used ac-
cording to road traffic laws.
The amber warning lamps are used to indicate a hazard
to other road users. Press button (1) to activate. By this
switch all four turn indicators will flash on and off.
IMPORTANT:
When operating the tractor, towing an
implement or trailer, the complete rear area warning
system (amber warning lamps, when applicable, and red
tail lamps) must be easily seen by any vehicle operator
coming near the tractor.
Turn indicator operation (North Amer-
ica version)
When the hazard light control switch is on (1 - Fig. 3-7) all
amber hazard lights are flashing intermittently.
When the turn indicator lever (1 - Fig. 3-8) is operated, the
amber hazard lights will operate as follows:
A. When the right turn indicator is operated, the right
amber hazard lamp will flash ON and OFF and the left
amber warning lamp will illuminate but will not flash.
B. When the left turn indicator is operated, the left amber
hazard lamp will flash ON and OFF and the right amber
warning lamp will illuminate but will not flash.
NOTE: When driving on roads, it may be required that the
hazard lights button remains activated. Refer to the laws
in force in your Country.
Fig. 3-7
Implement warning lamps
(if equipped)
It is recommended that implement warning lamps are
used:
- If the flashing warning lamps and red tail lamps on the
tractor cannot be seen because they are obstructed by
the implement.
- If the towed implement is 1219 mm or more behind the
hitch point of the tractor.
- If the towed implement is 1219 mm or more to the left
or right of the centre of the tractor.
- If the towed implement has a minimum 3000 mm width.
Install the warning lamps to indicate the side of the imple-
ment nearest the centre of the road.
Fig. 3-8
3-6
Controls
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Rotating Beacon
- The rotating amber beacon must be used according to
local road traffic laws.
The revolving beacon is operated by pressing the switch
(2) with the flashing beacon symbol. If the tractor is
provided with 2 revolving beacons, the switch (2) lights
up both.
Slow Moving Vehicle (SMV) Symbol
- For correct use of the SMV symbol, respect local road
traffic laws.
If a Slow Moving Vehicle (SMV) symbol is equipped it must
be installed on the rear part of the tractor.
To install the SMV symbol on an implement or trailer a
special bracket must be obtained from your dealer.
CAUTION: Collision of high speed road traffic
and tractors or implements can cause personal
injury or death. On roads, use amber warn-
ing lamps according to local laws. Keep SMV
emblem visible. Pull over to let faster traffic
pass. Slow down and signal before turning off.
Controls
3-7
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Front right controls on instrument turret
Ignition switch (1 - Fig.3-8)
The key switch has four positions as follows:
Start Position - Turning the key fully
clockwise against spring pressure
the starter motor is energised in addi-
tion to the circuits already mentioned
above.
Accessories position - The instrument
cluster display and the radio can be
operated in this position. This posi-
tion is also used for programming the
digital instrument panel.
OFF Position - Turn from On/Run posi-
tion anticlockwise to stop the tractor.
The key can only be removed when it
is in this position.
Light switch (2-Fig.3-8)
Operation (Fig. 3-8)
Horn. Press lever (1) at point (2) in the direction indi-
cated by the arrow to operate the horn.
Turn indicators. Push down lever (1) to operate the
right turn indicator, up to operate the left indicator.
When the indicator is active, also the relative lamp
on the control panel is flashing.
Light switch. Turn the switch (3) to the required posi-
tion to obtain the following functions:
O Lights off
Side lights on
dipped beams
Driving beams. Turn switch (3) to the position
"dipped beams", then, to switch the driving beams
on, pull lever (1) up until it locks. Raise it towards the
steering wheel and release to return to the dipped
beams.
Flashing function (driving beams). Pull up and re-
lease lever (1) for flashing.
Fig. 3-8
Fig. 3-9
3-8
Controls
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Adjustment of electro-hydraulic reverse
shuttle effectiveness
(Fig. 3-10)
The electro-hydraulic reverse shuttle effectiveness can be
adjusted by means of potentiometer (1). Turn anticlock-
wise to reduce it, and clockwise to increase it.
NOTE: If the potentiometer is moved but the relative
menu is not displayed on the instrument, the menu will
be displayed as a pop-up. See also “Electro-hydraulic ef-
fectiveness” in Section 4 of this manual.
Fig. 3-10
Master disconnect switch [2.aa]
(Fig. 3-11)
The master disconnect switch disconnects the battery
from the tractor electric system.
The master disconnect switch (1) can only be activated
with the ignition key in the OFF position.
The master disconnect switch is placed in the control
turret, on the dashboard at the left of the driver's seat.
WARNING: When the engine is running, the battery
cannot be disconnected in any way.
This switch has two positions:
Position A (knob turned clockwise): battery connected,
all systems are supplied
Position B (knob turned anti-clockwise): battery discon-
nected. Only the following items are powered: instru-
ment cluster (clock inner memories), courtesy light in
cab, radio inner memories, transmission diagnostic
sockets, electronic master disconnect switch circuit
For a correct use of the battery disconnector switch,
refer to the "Operation" section, "Battery disconnector
switch" chapter.
Fig. 3-11
1
Controls
3-9
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
WARNING: Never adjust the steering column
while driving.
The steering column can be adjusted up or down, and
tilted as required.
STEERING COLUMN ADJUSTMENT
Tilt adjustment (TILT)
Fig. 3-11a - 3-11b
To adjust the steering column tilt:
push and hold down pedal (2)
move column (2) up or down to the required position.
release the pedal (2) to hold the column in the required
position
Fig. 3-11a
Fig. 3-11b
A
Fig. 3-11c
B
Height adjustment (TELESCOPE)
(optional) Fig. 3-11a - 3-11c
To adjust the steering column height:
Unscrew the knob (1).
push or pull the column (B) to the required position.
screw down the knob (1) to hold the column in the
required position
3-10
Controls
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Pedal Controls
1. CLUTCH PEDAL
The clutch pedal is used to temporarily disengage drive.
Use the clutch pedal when moving the tractor over short
distances. Use the clutch pedal to start the tractor moving
from stationary. Gradually and completely releasing the
clutch pedal for a controlled smooth start.
WARNING: DO NOT ride the clutch pedal when the
transmission is under load. Release the clutch pedal
completely within 5 seconds for improved clutch
service life. While the tractor is moving the transmis-
sion must always be in drive. Never allow the tractor
to coast downhill with the transmission in neutral or
with the clutch pedal depressed. To do so could result
in the operator not having full control of the tractor
and may result in personal injury.
2. BRAKE PEDALS - The left brake pedal stops the
left rear wheel and the right brake pedal stops the right
rear wheel.
CAUTION: Extra weight and bad traction
conditions such as mud or ice increase your
stopping distance. Remember that liquid in
the tires, weights on the machine or wheels,
tanks filled with fertilisers, herbicides or in-
secticides; all these add weight and increase
the distance you need to stop. Do not exceed
maximum permitted operating weights on
axle or tractor.
CAUTION: all service operations on the trac-
tor’s braking system MUST BE carried out by
the specialized personnel of your authorized
Argo Tractors Dealer.
3. BRAKE PEDALS INTERLOCK - Used to lock the
brake pedals together.
CAUTION: Brake pedals must be locked to-
gether for road travel. This will ensure uni-
form brake operation and maximum stopping
ability.
4. THROTTLE PEDAL
Controls
3-11
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Auxiliary power socket (12 V)
The auxiliary power socket (1) is mounted at the base of
the right console, behind the driving seat.
Miscellaneous
Tool box (1)
The supplied box contains a kit of tools required for minor
service.
In case of major malfunctions, always ask your Argo
Tractors Dealer.
The box is installed on the right-hand side, just under the
entry ladder.
2. Trailer power socket (7-pin)
3. EBS power socket for trailer diagnosis (ISO 7638) (if
equipped)
3-12
Controls
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig. 3-12
Seat with mechanical suspension
1. Seat distance adjustment
2. Handle for continuous weight adjustment
3. Adjustment to operator's height
OPERATOR’S SEAT[2.a][2.ah]
Various types of seat can be fitted: The type of seat is dictated by market requirements and by the tractor's specifications.
CAUTION: Danger! Danger of losing control.
DO NOT adjust the seat while the machine is running. All adjustment to the seat must be carried out while
the machine is at standstill and with the parking brake engaged. Failure to comply with these directions
could cause injuries or death.
We recommend a seat adjustment that guarantees a safe driving even in harsh conditions. To avoid dangers, comply
with the following directions:
WARNING: The driver's seat must be mounted or repaired only by skilled personnel.
Check at regular intervals that the retainer screws are perfectly tightened and that the adjustment controls are normally
operating, to guarantee safety and stability during work.
NOTE: The safety belt is not to be neither modified nor altered. If it is replaced, the new belt must be approved and de-
signed to be mounted in the same position as the old one. Replace must be carried out by specialised personnel.
The safety belt must be replaced in the following cases: overturning of the machine, damage or wear (unstringing or cuts
on the belt, damage of the plastic covers), faulty operation of the winding mechanism and of the buckle.
The driver's seat is provided with controls to adjust its suspension, height and distance from the controls. Therefore it is
possible to choose the adjustment position most suitable and change it even during work.
1
2
3
Controls
3-13
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig. 3-13
1. Seat distance adjustment
Move the lever (1) to the right to release the guides.
After the adjustment, make sure that the lever blocks the
guides with a click and that the seat will not move either
forward or backward.
Armrests
Turn the armrests backward to bring them to the vertical
position.
2. Adjustment to operator's weight
The adjustment has to be made while the operator is
seated down, so that the seat is loaded.
Turn clockwise or anticlockwise the lever (1) on the front
of the suspension.
The correct adjustment is reached when the height of the
seat is at half the travel of the suspension.
If the seat is provided with a weight indicator window, the
adjustment must be carried out according to the weight
value read on the indicator.
A few suspension versions have a ratchet lever. The handle
must be positioned according to the rotation direction of
the lever. Pull the handle out and turn it by 180° to bring
it into its position again.
1
1
Fig. 3-14
2
1
3-14
Controls
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig. 3-15
3. Height limiter
It limits the suspension run upwards.
The limitation is continuous and must be carried out while
the operator is seated down, so that the seat is loaded.
The height of the seat can be adjusted in both senses, up
or down, by means of the knob (1).
After each height adjustment, a weight adjustment shall
also be carried out.
Cleaning and maintenance
Any actions, maintenance included, must be carried out
by skilled technicians and using suitable personal protec-
tion devices.
To keep the seat in optimum operating conditions, it must
be regularly cleaned. The cleaning intervals should be cal-
culated according to the amount of soiling. This interval,
however, must not be longer than 200 work hours.
Check at regular intervals the bellow (if present) that
protects the suspension.
Remove dust from upholstery with compressed air or a
vacuum cleaner.
To clean synthetic leather upholstery: use a cloth or
sponge, moist but not dripping.
To clean fabric upholstery: use a moist, but not dripping
cloth or a mild cleansing agent. You may use any cleans-
ing agent for car seats.
To clean the safety belt: use a sponge moistened with
lukewarm water or water and a mild soap.
An air jet at low pressure (max. 1 bar) may be used to
clean the winder and the clasp mechanism. Clean dust
collected on mechanical parts (guides and suspension)
of the seat with a compressed air jet or a moist cloth or
a dry brush. Do not use water or cleansers. To access
the inner suspension, lift up the rubber bellow by pulling
out the plastic nail by means of a mechanical aid. After
cleansing, fit all the nails back to close it again.
Do not clean the seat with steam or high pressure jets.
The guides and the suspension must be lubricated with
synthetic grease. Use spray lubricants to grease any
couplings that are difficult to reach.
All remaining maintenance materials must be disposed
of according to law. Do not dispose of them in the envi-
ronment.
1
3
Controls
3-15
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Troubleshooting
Fault Possible causes Remedies
The guides have too much play Worn guides Replace the guides
Sliding on the guides is difficult
The guides are dirty
The guides are not properly aligned
Clean the guides
Check guides alignment
The armrests keep falling down The armrests are broken Replace the armrests
Operator present sensor is not operating No electrical connection Check the electrical connection
The suspension is not dampening shocks Shock absorber unloaded or broken Replace the shock absorber
The compressor cannot be operated No electrical connection Check the electrical connection
The mechanical suspension is not operating Broken springs Replace springs
The belt rewinding mechanism does not
lock or wind up the belt (belts with winder)
The belt winder is worn or damaged
Replace the safety belts
The clasp does not lock or unlock the belt The belt clasp is worn or damaged
Replace the safety belts
3-16
Controls
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Mechanic suspension seat (if pro-
vided)
1. Adjustment to operator's weight
2. Seat height adjustment.
3. Seat distance adjustment
4. Tilt adjustment of armrests (*)
5. Height adjustment of armrests (*)
6. Head restraint adjustment (*)
7. Lumbar support adjustment (on the back) (*)
8. Back rest tilt adjustment
(*)
subject to availability
2
1
3
4
5
6
7
8
Fig. 3-16
Fig. 3-17
Fig. 3-18
1. Adjustment to operator's weight
The seat can be adjusted to the weight of the operator by
pulling up or pressing down the button (1) while the seat
is occupied by the operator. The adjustment to the opera-
tor’s weight is correct when the green mark is completely
visible in the little window.
NOTE: To avoid any health hazards, the adjustment to
the operator's weight should be checked and eventually
adjusted before beginning the use of the tractor.
2. Seat height adjustment.
The seat height can be adjusted by pulling up or pressing
down the button (1) while the seat is being occupied by the
operator. The seat height can be adjusted continuously.
After the height adjustment, check the seat is correctly
adjusted to the operator’s weight. The green mark must
be completely visible in the little window.
NOTE: to avoid any damages to the compressor during
the weight adjustment, do not operate the compressor for
longer than 1 minute.
1
1
2
1
Controls
3-17
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
3. Seat distance adjustment
CAUTION: Risk of accidents!
DO NOT use the lever that blocks the seat
while driving.
Pull the lever (1) up for the horizontal adjustment of the
seat.
After the adjustment, make sure that the lever blocks the
seat with a click and that the seat will not move either
forward or backward.
4. Tilt adjustment of armrests (subject to
availability)
Turn the knob (1) under the armrest to adjust the tilt.
Turn the knob:
to the outer side of the seat to tilt the armrest up,
to the inner side of the seat to tilt the armrest down.
5. Height adjustment of armrests (subject
to availability)
The armrests can be tilted back and adjusted in their
height as required by the operator.
To adjust the height of the armrests:
Remove the protective panel (1).
Loosen the nut behind the panel.
Raise or lower the armrests to adjust their height.
Tighten the nut and fit the protective panel (1) back
again.
Fig. 3-19
Fig. 3-20
Fig. 3-21
3
1
1
4
1
5
3-18
Controls
P/N 6622427A2 - X6.35 - X6.45 - X6.55
6. Head restraint adjustment (subject to
availability)
Pull up or push down the head restraint (1) to adjust its
height with pre-set increments.
Pull the head restraint vigorously until the stop at end of
travel is overcome.
7. Lumbar support adjustment of the
backrest (if available)
Pull up or push down the head restraint (1) to adjust its
height with pre-set increments.
Pull the head restraint vigorously until the stop at end of
travel is overcome.
8. Back rest tilt adjustment
Pull up the lever (1) to release the back rest. Rest your
back on the backrest until the required position is reached,
then release the lever to lock.
Fig. 3-22
Fig. 3-23
Fig. 3-24
6
1
7
1
8
1
Controls
3-19
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig. 3-25
Cleaning and maintenance
Soiling may impair seat functionality. A regular cleaning
is therefore very important.
The seat upholstering can be easily and quickly removed
from the seat’s frame to be cleaned or replace, if required.
CAUTION: beware of the backrest frame: it
could jump forward and cause injuries!
Do not wet the upholstery while cleaning it.
Use any normal commercial detergent for upholstery or
plastic.
Before cleaning, test the detergent on a small hidden area.
3-20
Controls
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Seat belt [2.ab]
CAUTION: Always fasten your safety belt se-
curely. Your tractor is equipped with a ROPS
for your protection. The seat belt can help
insure your safety if it is properly used and
maintained. Never wear the belt in a twisted
condition or pinched between the seat struc-
tural members.
Adjust the seat to your requirements.
Lean with your back straight against the back rest. Pull the
seat belt completely across your body and push the metal
eye (1) into the latch assembly (2) until it locks.
1
2
Adjust the position of the seat belt as low on your body
as possible.
3
To release the seat belt, push the button (3) on the latch
assembly.
IMPORTANT: From time to time, carefully inspect the
seat belt and replace it if worn or damaged.
IMPORTANT: Check at regular intervals the correct op-
eration of the safety belt.
NOTE: The safety belt is not to be neither modified nor
altered. If it is replaced, the new belt must be approved and
designed to be mounted in the same position as the old
one. Replace must be carried out by specialised personnel.
The safety belt must be replaced in the following cases:
overturning of the machine, damage or wear (unstringing
or cuts on the belt, damage of the plastic covers), faulty
operation of the winding mechanism and of the buckle.
Controls
3-21
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig. 3-26
Instructor's seat [2.w]
Fig. 3-26
CAUTION: Avoid injuries!
The instructor seat must be used only when
training a new operator or when a service
technician carries out troubleshooting. Use of
this seat is not allowed to anyone, particularly
children. Keep cab doors closed. Always wear
the seat belt. Failure to comply with these direc-
tions could cause injuries or death.
The seat (1) must be used only by an instructor to train
new operators or service technicians for diagnostics and
troubleshooting. The passenger in this seat must always
wear fastened seat belts (2). Fold the seat when it is not
in use.
This seat MAY NOT be used to transport children.
When the instructor's seat is occupied, the following
precautions must be taken:
Tractor should be driven at a slow speed and on
level ground.
Avoid quick starts or stops.
Avoid sharp turns.
The left-hand door MUST be closed at all times, while
the tractor is in motion.
Please read attentively the "Safety Note" section in this
manual for further information.
CAUTION: A frequent cause of personal injury
or death is persons falling off and being run
over. DO NOT permit others to ride, except on
the designated instructor seat.
WARNING: The seat for an in-
structor (with a seat belt that
must be worn at all times)
may be occupied only when
driving on road, but not when
working in the field.
IMPORTANT: Check at regular intervals the correct op-
eration of the safety belt.
NOTE: The safety belt is not to be neither modified nor
altered. If it is replaced, the new belt must be approved and
designed to be mounted in the same position as the old
one. Replace must be carried out by specialised personnel.
The safety belt must be replaced in the following cases:
overturning of the machine, damage or wear (unstringing
or cuts on the belt, damage of the plastic covers), faulty
operation of the winding mechanism and of the buckle.
3-22
Controls
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Operator present sensor
The seat cushion acts as a switch.
CAUTION: Do not tamper with this component
in any way.
CAUTION: if the tractor is not correctly used,
the operator is informed by the sound of a
buzzer and a warning symbol on the instru-
ment cluster.
For a correct use, the operator must be seated in the
driver's place. As soon as there is no load on the seat
given by the operator's weight, a buzzer sounds and a
warning symbol (1-Fig. 3-28) is shown on the instrument
cluster as a pop-up.
Fig. 3-28
1
The buzzer sounds each time the operator leaves the
driver's seat while the engine is running without engaging
the parking brake and putting the gearshift lever in neutral.
Whenever the operator leaves the driver's seat with the
engine running and the tractor not moving, the hydraulic
clutches of forward and reverse are disabled. If the tractor
is on the move, the system inhibits the same clutches as
soon as the neutral position of the reverse shuttle lever
is sensed. In this case, the transmission goes automati-
cally to Neutral.
The operator must then return to his/her seat and the
reverse shuttle shifted to Neutral in order to get the trac-
tor started again.
Fig. 3-27
Controls
3-23
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Logic of the operator's seat switch
• With key turned to ON, released parking brake lever, engine off:
Operator
Indicator on instrument cluster
Buzzer Instrument cluster dis-
play
(1-Fig.3-28)
Not seated FlashiNg active For 5 secoNds active
• With key turned to OFF, released parking brake lever:
Operator
Indicator on instrument cluster
Buzzer Instrument cluster dis-
play
(1-Fig.3-28)
Not seated FlashiNg active For 10 secoNds No
• With ignition key turned to ON, engine running:
In the cases given in the following table, the indicator
on the instrument cluster and the buzzer are active
until
the conditions for a correct use of the tractor are restored.
Operator position Reverse shuttle
lever position
(FNR)
Parking brake Buzzer sounding
Indicator on instrument cluster
sittiNg Neutral eNgaged
OFF
steady oN
sittiNg Neutral released
OFF OFF
sittiNg selected directioN eNgaged
OFF
steady oN
sittiNg selected directioN released
OFF OFF
Not seated Neutral eNgaged
OFF
steady oN
Not seated Neutral released
ON
oN aNd FlashiNg
Not seated selected directioN eNgaged
ON
steady oN
Not seated selected directioN released
ON
oN aNd FlashiNg
3-24
Controls - Cab
P/N 6622427A2 - X6.35 - X6.45 - X6.55
CAB
All non-metallic components within the cab comply with the ISO 3795 standard.
The cab is approved according to OECD codes concerning ROPS test (protection against overturning) and safety belts.
The cab is also approved for FOPS test (protection against falling objects) according to the required code.
The cab is made of steel sections and is fastened to the
tractor by means of a double system of rubber dampers
(silent block) protecting the driver's seat both from vibra-
tions and from engine noise. The noise peak is therefore
limited to low values, for greater comfort for the operator.
Doors (3)
Both doors can be opened both from the inner and outer
side, and kept open by dampening cylinders. Both doors
are provided with a lock with key. The key for the door
lock is the same as for ignition.
Adjustable field lights
The cab is provided with front (1) and rear (4) field lights
to improve visibility when working at night. The on/off
switches are in the cab.
Revolving beacon (2)
The revolving beacon is mounted on the front of the cab
roof. As an option, a second revolving beacon can be
mounted on the other side of the cab. Both beacons are
controlled by a switch in the cab.
Rear window (5)
Release the rear window lock and turn the handle (6)
counterclockwise to open it. The window is kept open
by dampers.
WARNING: Do not open the windscreen, the doors or
the side and rear windows during work. The noise in
the cab could rise to such level as to oblige the opera-
tor to wear headsets or other individual protection
against noise.
NOTE: See the "Maintenance" section for filter use and
maintenance.
Controls - Cab
3-25
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Central controls on control turret
Windscreen wiper and washer can be operated with the
ignition key in the contact position.
1 - Front windscreen wiper switch:
A. intermittent operation
0. Off
B. continuous operation
2 - Additional low beams switch (only with front hitch)
The additional low beams on the side handgrips can
be switched on as an alternative to the beams on the
bonnet.
The switch has two positions:
upwards, the beams on the handgrips are on
downwards, the beams on the bonnet are on
3 - Windscreen/rear window washer switch:
0 . central position, off
pressed upward, front window washer operating
pressed downward, rear window washer operating
Rear window wiper
(if equipped)
1 - Rear window wiper switch:
0. Off
A. Windscreen wiper operation
3-26
Controls - Cab
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Cab roof components
Fig. 3-29
1. Sound diffusers
2. Air conditioner console
3. Air vents
4. Sunroof
5. Ceiling light
6. Radio
7. Front windscreen demisting/defrosting vents
8. Sunshade (for sunroof)
9. Sunshade (for front window)
10. Microphone
Controls - Cab
3-27
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Cab ventilation [2.b]
(Fig. 3-30)
The cab ventilation is controlled by means of 4 adjustable
air vents (A). Direct the air flow as required direction by
turning the vents.
Front windscreen demisting/defrosting
(Fig. 3-31)
In the front part of the cab roof there are 4 vents to defrost
and demist the windscreen and the side windows.
On each vent, turn the little wheel (1) on the left to adjust
the position of the fins, and on the little wheel (2) on the
right to open or close the vent.
To defrost the windscreen:
1. Open all air discharge vents (B) and direct their air flows
toward windscreen and windows.
Fig. 3-31
Fig. 3-30
3-28
Controls - Cab
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Controls for cab temperature [2.b]
Temperature control is achieved by means of the knobs
in the console (1 - Fig.3-32) inside the cab, on the left
side of the roof.
Setup with heating only
(Fig. 3-33)
Use knob (1) to adjust the temperature of the hot air,
decreasing or increasing the circulation of fluid from the
engine.
Knob (1) turned anticlockwise to shut off hot air circu-
lation
Knob (1) turned clockwise for max. heating inside the
cab
The knob (2) is used to adjust the speed of the fan send-
ing air into the cab.
Knob (2) on 0, fan off
Knob (2) on 3, fan at max. speed
Fig. 3-32
Fig. 3-33
Controls - Cab
3-29
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Setup with cab air conditioning [2.b]
(Fig. 3-34)
Use the button (3) to activate the air conditioning system
in the cab. When the system is operating, the LED (4) in
control console will light up.
The button (3) is operating when the ignition key is on
the contact position (Key On). Turn the fan knob (2) to the
required speed, then turn knob (1) to turn on the condi-
tioner. Turn the fan knob (2) further until the required air
temperature is reached.
To let air flow into the cab, turn by hand the fins of the
vents on the cab roof.
The air is automatically recirculated in the cab by the air
vents (1- Fig. 3-35) on the rear posts..
CAUTIONS:
The air conditioner will not operate when the engine
is at a standstill as the compressor is operated by the
engine itself.
Make sure that the air conditioner control is in the off
position before starting the engine.
Always turn on the electric fan before operating the
air conditioner.
The conditioner cannot operate when the electric
fan is off.
WARNING: If the tractor is to remain unused for a long
period of time, or if the system is not used, remember
to allow the air conditioner to operate for about 15
minutes each week. This precautionary measure pre-
vents gas from leaking from the compressor.
Use of the air conditioning system [2.b]
(Fig. 3-34)
To operate the air conditioner, the blower must be on. The
blower speed, temperature control and all vents must
be adjusted to obtain the best cooling for the ambient
temperature and dust conditions. Under normal operating
conditions, and with the windows and doors closed, tem-
peratures in the cab of 6°C÷15°C less than the ambient
temperature will occur. When operating the air conditioner
system, the moisture level is decreased.
NOTE:During cold weather, with ambient temperature
above 0°C, operate the air conditioner at least once per
month, for a period of 10 to 15 minutes. This operation is
useful to lubricate gaskets and helps to prevent leaks of
cooling fluid.
NOTE:The system is provided with safety devices to pro-
tect the system for low refrigerant level and restrictions in
the system. If the air conditioner stops operating while the
tractor is running, ask your Argo Tractors Dealer for help.
NOTE: The air conditioning system is equipped with an
environmentally safe refrigerant, HFC-R134a. Never re-
charge the air conditioning system with refrigerant other
than HFC-R134a as this will result in loss of cooling and
permanent damage to all air conditioning components.
Starting: With the engine and the fan running, press but-
ton (3) to operate the air conditioner.
Stopping: Before turning the engine off, always stop the
air conditioner by pressing the button (3) and turning the
fan knob (2) anticlockwise to the stop position.
Fig. 3-34
Fig. 3-35
3-30
Controls - Cab
P/N 6622427A2 - X6.35 - X6.45 - X6.55
RADIO
Multifunction buttons (2 - Fig. 3-37)
The buttons on the front panel may have different func-
tions if the operator is listening to the radio or playing
multimedia files (USB stick or SD card).
Radio: stored station
Function to operate in media: control Play
Fig. 3-37
2
Context of functions (1 - Fig. 3-38)
The function of some controls depends on context. For
instance, the button “1” (1) tunes in the first stored radio
station. After playing a multimedia file, however, this but-
ton can be pressed to play/interrupt a track.
Radio: stored station
Function to operate in media: playing/interrupting a
multimedia file
Fig. 3-38
1
“Volume” knob (1 - Fig. 3-39)
Turn the knob clockwise to raise, anticlockwise to lower
the volume.
If the options MENU or AUDIO are used, volume adjust-
ment is temporarily disabled and by turning the knob the
menu items are displayed instead. Apply a short pressure
(press and release) the volume adjustment knob to access
the controls of the AUDIO option, i.e. balance, fader, bass
and treble.
The volume has 41 positions, with a range 0 to 40.
Fig. 3-39
1
General information
Switching on (Fig. 3-36)
To switch on the unit, press the ON/OFF button (1); to
turn off, press and hold the same button for 1 second.
NOTE:
Many buttons on the front panel can be operated
in two modes: a momentary press or press and hold.
Fig. 3-36
1
Controls - Cab
3-31
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Radio
Radio stations search (Fig.3-40)
Use the buttons (1) and (2) to search a radio station: press
briefly to search automatically the next available frequency
(the search stops at the next available station).
1. Forward button
2. Backward button
Manual tuning (Fig. 3-40)
Hold (1) or (2) pressed for the manual search mode. In this
mode, a short pressure on one of these buttons gradually
changes the frequency, while a longer pressure makes the
search quicker until the button is released.
The radio returns to the automatic search mode if no but-
ton is pressed for 3 seconds.
Radio stations storing (Fig. 3-41)
When hearing a radio station, apply a longer pressure on
one of the buttons (1) to store the station. Apply a short
pressure on a button (1) to go to an already stored station.
The stored frequency can be changed by tuning on a dif-
ferent station and applying a longer pressure to the button
where you wish it to be stored.
Longer pressure: the station is stored.
Short pressure: the stored station is recalled.
FM radio
The RDS (Radio Data System) service is active in many
countries. In case of RDS transmission, it is possible to
enable or disable its settings in the menu, e.g. AF and TA.
RDS is only available in the FM bands.
AF: alternative frequency
TP: traffic program
TA: traffic announcement
Fig. 3-41
1
Fig. 3-40
2
1
3-32
Controls - Cab
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Other audio equipment
Playing multimedia files (Fig.3.42)
To play WMA or MP3 music files previously stored on a
USB stick (1) or a SD card (2), just insert the support in
its slot to start playing. The radio turns automatically on.
Use the SRC button (3) to select ‘radio’, ‘media’ or ‘AUX’
(auxiliary inlet) (4). If both supports are in their slots, the
radio uses the last slot that had been used.
NOTE:
Supports in SD/USB – selection is possible only if
multimedia files are available.
Double inlet AUX-IN (4), 3.5 mm on front and rear: these
sockets share the same circuit. Though it is possible to
use both, it is advisable to establish a connection only
with one of them and to leave the other one disconnected.
Audio tracks selection (Fig.3-43)
Use the buttons (1) and (2) to search the required track.
Press the button briefly:
1. to select the previous track
2. to select the next track
Press and hold the button:
1. for the rewind function
2. for the fast forward function
After reaching the desired position in the audio track,
release the button to start playing normally again.
AUX inlet 3.5 mm (4 - Fig.3-42)
The front panel features a stereo aux-in inlet. By means
of a 3.5 mm stereo jack plug, the music played through
the headset outlet of a portable multimedia player can
be played, for instance, through the tractor's speakers.
Fig. 3-42
1
2
4
3
Fig. 3-43
1
2
Controls - Cab
3-33
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Radio menu
Menu (Fig. 3-44)
Apply a short pressure to the MENU button (1) to open
the radio menu. Afterward, the LCD display shows the
available menu items. By the ‘Reset – confirm’ function
the default settings can be restored.
After entering the required menu, use the following but-
tons to browse:
1. ‘MENU’ = EXIT, MOVE UP ONE LEVEL (to go from the
right to the left in the menu tree).
2. Turn the volume knob = PREVIOUS ITEM/NEXT ITEM
(to scroll the menu tree up or down).
3. Middle button = SELECT ITEM, CONFIRM, MOVE
DOWN INTO SUB-LEVEL (to scroll the menu tree left
to right).
Press and hold 'MENU' to exit.
NOTE:
if no button is pressed for 3 seconds, the radio
quits the 'MENU' mode automatically.
Audio
To change AUDIO settings, apply a short pressure on the
volume knob. It is a shortcut key to enter the software
menu. In this way, the user can change the settings BAL-
ANCE, FADER, BASS and TREBLE:
- Apply a short pressure on the volume knob.
- Use in the same way as MENU.
Knob
volume
Access to ‘MENU’ and ‘AUDIO’ menus is described as
"browsing the menu tree". The middle button is used to
move to a lower level in the tree, while the MENU button
has the opposite function, i.e. to move from a lower to a
higher level (right to left) in the menu tree.
Other buttons:
to move to a higher level (right to
left)
to select an item, to move to a lower level
(left to right)
Fig. 3-44
3-34
Controls - Cab
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Bluetooth
General operation (Fig. 3-45)
The buttons in the front panel of the Bluetooth version
of this radio there are the following additional symbols
“answer” (1) and “hang-up” (2). Press and hold the “An-
swer” button (1) to call the last dialled number.
Pairing
To use the speakerphone function in Bluetooth, a Blue-
tooth mobile phone must be connected by “pairing”. To
pair the mobile phone to the radio, check that the radio
is turned on. On your mobile, search for an available
Bluetooth connection. Pair to “6515700M91” by the code
“1234”. The mobile should confirm the successful pairing.
After the pairing, many mobiles can automatically restore
the Bluetooth connection when the radio is turned on
again (e.g., when next using the tractor), therefore no
pairing is needed on such phones.
Once the mobile is paired to the radio device, the mobile
can be used in speakerphone mode.
When the mobile is used for outgoing or incoming calls,
the speakers in the cab and the microphone (1 - Fig.
3-46) in front of the operator can be used for voice com-
munication with the cell phone connected to the radio
via Bluetooth device.
If the radio is on, when the phone is paired to the radio,
the audio signal automatically is turned down to allow
the phone communication.
Bluetooth profiles
The Bluetooth version of this radio can be connected in
wireless mode to Bluetooth devices, such as cell phones.
The Bluetooth connection modes are named “profiles”. This radio supports the following profiles:
(1) A2DP: Advanced Audio Distribution Profile – Music playing in streaming of music by means of Bluetooth.
Bluetooth devices with A2DP function can play music from the radio through the sound system of the tractor. Further,
if the device supports the Bluetooth profile AVRCP (Remote Control Profile), the radio can be used to operate func-
tions such as ‘next track’ and ‘previous track’.
(2) HFP: Hands Free Profile – Call or receive calls through Bluetooth (see the previous sections “General operation” and
“Pairing”).
To ensure an optimal sound quality of the connected Bluetooth HFP, the user can select the speakers to use for sound
reproduction. The menu path of the software MENU->SYSTEM->ALT_VOL->HFP_SPKR has three options:
HFP_ALL: sound is output from all four speaker channels (default option).
HFP_FRNT: sound is output only from the front speaker channels; the rear channels are off during phone conver-
sations.
HFP_REAR: sound is output only from the rear speaker channels; the front channels are off during phone conver-
sations.
The default setting is HFP_ALL.
NOTE:
for tractors provided of 2 speakers only, the default setting HFP_ALL is recommended.
Fig. 3-45
1
2
Fig. 3-46
Controls - Cab
3-35
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Symbols
Symbols on the front panel:
BAND FM/AM/WB frequency band.
This radio has 3 bands FM, 2 AM and 1WB.
(The WB mode is only available if “USA” is
selected)
Forward/next (FF): radio frequency / sound
track
SRC Source: radio/supports
(SD,USB)/auxiliary inlet)
rewind/previous (REW): radio frequency /
sound track
MENU Menu of software functions
Play / pause.
A short pressure to switch between play /
pause.
F+ / F- Browsing through folders
Stop.
Press and hold to stop playing the multime-
dia file
RDM Random: track play order
Repetition: “RPT OFF”,”RPT ONE”,”RPT
DIR”,”RPT ALL” (Repeat off, Repeat one,
Repeat directory, Repeat all)
Switch-off timer
This radio has an off function controlled by a timer. This option can be accessed through the path MENU->SYSTEM-
>ADVANCED->TIMER and includes the settings OFF, 30 min, 60 min and 90 min. ”OFF” is the default factory setting and
it means the radio is immediately off as soon as the ignition key is taken out. It operates in the same way as a conventional
radio. For instance, if the "30 min" option is selected, you may easily turn the radio off and on while the countdown is
active. As this countdown will not be displayed, the user cannot view it. When the expected 30 minutes are expired, the
radio will go off. To turn it on again, the ignition key should be inserted again. This function increases the listening time
and the ignition key may de removed for safety. It further prevents the battery from discharging when the radio is left on
for a long time. This function is not available on all vehicles, as the radio must be connected with a “IGN” cable and a
permanent connection cable to the battery “BATT”.
3-36
Controls
P/N 6622427A2 - X6.35 - X6.45 - X6.55
FAQ / Troubleshooting
This model of radio is designed to meet two important conditions: a reliable operation and advanced technical features.
Here are listed a few of the possible most frequently asked questions (FAQ) from a user. While reading this section, it
could be useful to identify other related sections to be read for a better understanding of this topic.
Q: The radio does not go off after removing the ignition key.
R: The radio has an off function controlled by a timer. Please refer to the section “Switch-off timer” in this manual.
Q: The radio does not remain on the set frequency / The radio starts searching the frequency and interrupts the audio.
R: If you are listening to a FM station in a zone with a weak reception (e.g. in the country), deactivate the automatic
frequency selection by deactivating the "AF" function. The AF button on the front panel allows for this setting to be
alternated between "ON2 and "OFF". The same setting may also be accessed through the menu function.
Q: The radio finds no stations as usual for RDS radios.
R: If you are listening to a FM station in a zone with a strong enough reception (e.g. in the city), you may activate the
automatic frequency selection by activating the "AF" function. The AF button on the front panel allows for this setting
to be alternated between "ON2 and "OFF". The same setting may also be accessed through the software menu on
the display. The default setting is "OFF".
Q: Though the radio is switched on normally, I do not know whether my settings where changed.
R: Try and reset the factory settings through the path MENU->SYSTEM->ADVANCED->RESET->CONFIRM. After re-
setting, the factory settings will replace the existing ones AND all preset values will be set at the default values. For
instance, the user could change country (also refer to Questions and Answers), search for radio stations and save
them in the 1, 2, 3, 4, 5 and 6 preselection for quick access in a second time.
Q: While searching for stations, the radio seems to be receiving no signal. It finds less stations than expected or even
no stations at all (search interrupted).
R: Make sure that the antenna is connected and the broadcasting is available, then check that the options MENU-
>SYSTEM->ADVANCED¬>WORLD are corresponding to the own country/area. For instance, select “EUROPE” if
you are in the United Kingdom or "USA" if you are in the United States.
Q: I cannot find the WB (Weatherband) mode.
R: The options MENU->SYSTEM->ADVANCED->WORLD must be set on “USA” (the default value is “EUROPE”). After
the setting, close the displayed software menu and use the button BAND on the front panel to select FM1, FM2, FM3,
AM1, AM2 or WB. Weather reports are only broadcast in the United States and Canada.
Q: The radio broadcasts traffic information on a different channel and, after a short time, returns to the original one.
R: Make sure the TA function is enabled. To disable it, follow the path MENU->TUNER->RDS_TA->TA_OFF.
Q: Bluetooth audio is not broadcast well, or not at all, by the speakers.
R: Check the settings of the HFP (Hands Free Profile). During a Bluetooth phone call, turn the volume knob to improve
audio. Further, check the BT VOL and HFP SPKR menus in the software menu to make sure they match the ones of
the settings in the cab. Also check the settings in the connected Bluetooth cell phone.
Controls - Cab
3-37
3
P/N 6622427A2 - X6.35 - X6.45 - X6.55
ADDITIONAL CAB FEATURES
Cab Rear Window [2.d]
To open the cab's rear window, turn the lever (1) clockwise.
EMERGENCY EXIT: open the rear window completely.
WARNING: Do not open the windscreen, the doors or
the side and rear windows during work. The noise in
the cab could rise to such level as to oblige the opera-
tor to wear headsets or other individual protection
against noise.
Rear view mirror (if equipped)
Mounted inside the cab on the right side.
Sunshade
A sunshade is mounted in the front part of the cab roof.
To lower the sunshade (1), pull down as required.
To raise the sunshade, push up as required.
Roof hatch (if equipped)
To open the cab sunroof, turn the handles (1).
To open the sunshade (2), pull and attach into the retain-
ing clips (3).
WARNING: If the sunroof is open during work,
the protection against falling objects is no
longer valid. In presence of such a danger,
keep the sun roof always correctly closed.
3-38
Controls
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Adjustment of rear view mirror sup-
ports
NOTE: it is important that the rear view mirrors are cor-
rectly adjusted to have the best view both in the front and
at the rear.
NOTE: this adjustment must only be carried out with the
engine not running and machine at standstill.
Adjusting the extension
The rear view mirror supports can be extended to have a
better rear view according to implement size.
1. Loosen the knob (1) and change the extension in the
required direction.
2. Tighten the knob (1) again to fix the support extension
in the required position.
Fore/aft adjustment control
The arm of the rear-view mirrors can be adjusted by mov-
ing the articulation to and fro to avoid any hindrances.
CAUTION: Hot parts of the machine are suitably
guarded, wherever possible. This does not exclude,
however, that great care should be used when work-
ing on the machine, to avoid burns or scalding. [2.n]
CAUTION: Very hot surfaces. The hands and fingers
could be scorched. Warning: keep well clear of hot
parts. Keep at a safe distance. Keep all guards mounted
when the engine is running. [2.n]
Instruments
4-1
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Section 4
Instruments and Programming
4-2
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Buttons
The instrument panel has 4 buttons.
5 - Enter: to go to the required menu
6 - Esc - Home: to quit
7 - Left-hand - High: left arrow
8 - Right - down. right arrow
This buttons allow the operator to:
- navigate in the work menu
- enter the programming menu
- navigate in the programming menu
- change values in the programming menu
5 6 7 8
Instrument panel
The main digital display DMD Dot Matrix Display is divided
into work areas:
1 - Transmission
2 - Power take-off
3 - Browsing menu
4 - Operator menu
Warning buzzer - Buzzer
The buzzer starts operating as a warning. The buzzer has
two sound level:
1 - Low level for low priority.
2 -
high intermittent level for high priority level.
NOTE: The loudness of the buzzer should change ac-
cording to engine rated speed. Otherwise, please con-
tact your Argo Tractors Dealer.
Instruments
4-3
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Ignition key OFF/ON
When the key is on the OFF position, the panel goes into alarm mode and the operator is warned in the following cases:
- Side lights, driving beams on.
- Park brake not engaged.
Therefore the panel has 3 different operation modes:
- Enabled: ignition key ON
- Stand by: ignition key OFF, panel off except for the warnings above specified.
- OFF: Key OFF, when the battery is not connected.
WARNING: If after turning the ignition key to ON, the instrument panel does not light up within 1 second, the
instrument panel itself may be faulty. Ask your Argo Tractors Dealer for a check.
NOTE: When the battery disconnector switch is on (unconnected battery), the instrument panel remains off.
If one of the following images is displayed, the instrument panel found errors that cannot be corrected by the operator.
In this case, the tractor should not be used. Contact your Argo Tractors Dealer instead.
NOTE:this image is displayed perma-
nently, regardless of any operator's
action.
NOTE:this image is displayed perma-
nently, regardless of any operator's
action.
NOTE: this image is displayed at the
start on the instrument cluster in pop-
up mode, with high priority.
Acronyms
IC Instrument Cluster
ECU Electronic Control Module
TC Transmission Controller
HC Hitch Controller
FNR Forward Neutral Reverse
PTO Power Take Off
DL Differential Lock
MFD Mechanical Front Drive
4WD 4 Wheel Drive
DI Digital Input
AI Analog Input
FI Frequency Input
DO Digital Output
HSD High Side
LSD Low Side
IVS Idle Validation Switch
ICH Instrument Cluster
DOC Diesel Oxidation Catalyst
DEF Diesel Emission Fluid
EAT Exhaust After Treatment
SCR Selective Catalyst Reduction
4-4
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Indicator lights
Indicator lights
1 Left turn indicator, green
2 Marker lights on, green
3 1st trailer indicator, green
4 2nd trailer indicator, green
5 High beams on, blue
6 Braking system fault (level, pressure), red.
7 Parking brake engaged, red.
8
Trailer braking system fault (hydraulic/air system), red.
9 Low AdBlue™ or DEF level, yellow
10 Standstill procedure request indicator, yellow
11 Faulty anti-pollution system indicator, yellow
12 Derating enabled, yellow
13 Empty
14 Right turn indicator, green
15 Front PTO engaged, yellow
16 Rear PTO engaged, yellow
17 Not used
18 Empty
19 Empty
20 Differential lock engaged, yellow.
21 4WD engaged, yellow.
22 Major warning, red Turn the engine off and please
contact your Argo Tractors Dealer.
23 General warning, yellow. Faulty tractor operation. An
error has been detected by the vehicle's diagnostic
system and an error code has been generated.
24 Empty
25 Empty
26 Transmission hydraulic oil filter clogging, yellow.
27 Warning light for low pressure in transmission hydraulic
system, red.
28 Not available
29 Low fuel level, yellow
30 Battery charging, red
31 High coolant temperature, red
32 Low engine oil pressure, red
33 Engine fault warning, yellow. Contact your Argo Trac-
tors Dealer.
34 Engine air filter clogging, red
Instruments
4-5
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Display operation
The system menu is divided into 2 parts:
1- Operating menu
2- Accessories Menu
With the key on the ON position the instrument cluster display shows a welcome screen for 3 seconds: If no button is
depressed during these 3 seconds, the operating system is accessed, but if the Enter button is depressed, the Acces-
sories menu is accessed.
Welcome screen
The tractor mark logo is displayed for 3 seconds on full screen.
4-6
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Key
1. Right button pressed down: menu or next submenu
2. Left button pressed down: menu or previous submenu
3. Press Enter: access to submenu
4. No activity for 10": exit from submenu and return to original menu
5. Long pressure on Esc-Home: exit from submenu and return to original menu
Minor error
Minor error
Major error
Major error
Esc-Home pressed / After 5” on display
Esc-Home pressed / After 5” on display
Esc-Home pressed / error is no longer present
Long pressure on
Esc-Home
Esc-Home pressed / error
is no longer present
Brief pressure on Esc-
Home
Ignition key OFF
(engine off)
Last displayed menu
Submenu
(if available)
Pop-up
The display goes off by
pressing Esc or when
the error is no longer
present
Pop-up 5 seconds
The display goes off
after 5 seconds
Ignition key OFF
Ignition key OFF
Ignition key ON
Ignition key OFF
1
1
2
2
4 35
Operating menu
CAUTION: mind wanderings can cause accidents! NEVER open menus on the instrument panel while driving.
If the ignition key is ON, the display goes back to the last menu displayed before previously turning the tractor off.
Some messages are only displayed in alarm conditions and are not visible in normal operation conditions.
Instruments
4-7
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Changing parameters
Parameters are of two types:
1. Numbers or values to be set after selecting among preset values. Number parameters change one digit at a time.
2. Parameters to be scrolled change while depressing the right or left buttons. The value increases or decreases in a
cyclical way while scrolling the available values. Example: 1 2 3 4 1
Digital numbers change as follows:
if you enter write mode, the whole number flashes, e.g.:
Right button
Button Enter
depressed
(short)
Enter button
depressed
(long)
By depressing the left/right button, the value is increased/decreased by one unit. By holding the left/right button de-
pressed, the value is increased/decreased progressively.
When the maximum/minimum value is reached, the parameter goes back to the maximum/minimum value.
The main digital display DMD Dot Matrix Display is divided into work areas:
1 - Transmission
2 - Power take-off
3 - Browsing menu
4 - Operator menu
All arrows described in the following parameters are empty if the buttons left/right are not depressed, while they are full
black when one of these buttons is depressed.
White arrow: button not depressed.
Black arrow: button depressed.
No button depressed Left button depressed Right button depressed
4-8
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Alarm management priority display
There are 2 priority levels.
- Major fault: alarm/message with high priority
- Minor fault: alarm/message with low priority
- An alarm/message with low priority is displayed for 5 seconds, then the display goes back to the previous state.
If during these 5 seconds the operator changes menu manually by the buttons Up/Down or Esc/Home, the display goes
back to normal status.
Esc/Home: return to previous menu.
Up/Down changes actual display from the actual operating menu.
If more than one alarm/message is enabled, the display shows each one in sequence.
Example:
1) 1 Major fault plus 1 Minor fault
The display shows Major fault, if Esc is depressed Minor fault is displayed. If you depress Esc before 5", you go back to
the menu previously shown by the display, otherwise after 5" it goes back to the previous menu.
2) Several Major faults and several Minor faults
A pop-up shows the first Major fault then, if no button is touched, the program cycles through the following Major faults.
If Esc is depressed, the Minor faults are displayed. If Esc is depressed again, the display goes back to the previous menu.
For Major faults, when the last fault of the cycle is displayed, the cycle starts from the first one again.
For Minor faults, when the last fault is reached, the display shows again the menu shown before the faults were displayed.
WARNING
If you ignore indicator lights and information messages, you run the risk of a breakdown and/or causing
or being involved in accidents, with unforeseen consequences.
If alarm codes are displayed on the instrument cluster, stop the tractor in a safe position and contact
your Argo Tractors Dealer.
Main display
Clock/Work timer
clock
work hours
Instruments
4-9
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Rear electronic hitch
Information concerning the hitch are updated in real time on the main screen.
The under displayed indications refer to the a machine with the most complete equipment.
Position in percent of rear hitch
Value of the relative position of the implement in that moment.
0% = minimum position
100% = maximum position
Position of the rear hitch
Hitch not moving
Hitch raisingHitch lowering
Not allowed
Hitch position indication
Indication of engagement/disengagement threshold of auto PTO (if the software version
calls for it)
Engagement/disengagement threshold of auto PTO
(if the software version calls for it)
Information on PTO engagement/disengagement threshold are displayed on the instrument cluster, as indicated below.
A. This icon indicates the PTO function
B. It indicates the hitch position under which the PTO engages in AUTO
C. It indicates the hitch position over which the PTO disengages in AUTO
NOTE: if the engagement/disengagement thresholds of the Auto PTO are set at percentages greater than 90%, the PTO
could be activated/deactivated when the “antidumping” function of the hitch is active. It is therefore advised to choose
these percentages accurately, according to your work requirements. In transport mode, with antidumping active, it is
advised not to set thresholds greater than 90%.
4-10
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Setup of limits for auto PTO engagement/disengagement.
(if the software version calls for it)
For a setup of limits for auto PTO engagement/disengagement, follow the logic as indicated in the following diagram.
Key
1. Right button pressed down
2. Left button pressed down
3. Enter pressed
4. Esc pressed
5. Long pressure on Enter (2 seconds)
6. Right button pressed down: to increase a factory set value
7. Left button pressed down: to reduce a factory set value
After highlighting a parameter, press Enter to change its value. While the value is being changed, the value flashes.
When the change of a parameter is ended (flashing digit), press Enter to save the value. The digit stops flashing.
Press Esc while changing a parameter (digit flashing) to quit the change (the digit stops flashing) and return to the previ-
ously set value.
If a general error (minor or major) occurs during the input of values, the instrument cluster will display it only after the
value has been changed.
3
4
3 4
4
3
6
6
7
7
4 5 3 4 5
1
2
Instruments
4-11
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Air brakes pressure
This function is operating only if air brakes are present.
Refer to "Pressure in air brake system" in this section.
AdBlue™ or DEF level
The AdBlue™ or DEF level in the reservoir is displayed as in the following image, where:
the size of the black rectangle (A) depend on the present amount of AdBlue™ or DEF
the percentage (B) refers to the amount of AdBlue™ or DEF in the reservoir
The images besides are displayed when the relative alarm
occurs.
In case of contemporary messages of “Tec. Failure” and/
or “Bad Quality” and/or “Low Level” the highest priority
pop-up will be displayed.
If 2 or 3 indications have the same level, “Tec. Failure” is
displayed first, followed by “Bad Quality” and then “Low
Level”.
If during the use of the tractor the instrument cluster no longer receives information on AdBlue™ or DEF level or received
an error message, the above pop-up window is shown with the flashing “- - -%” symbol and the bar (A) replaced by flash-
ing dashes. At the same time the following indicators may come up:
Refer to your authorized Argo Tractors Dealer.
A
B
Tec. Failure
System malfunction
Poor Quality
Poor quality of AdB-
lue™ or DEF
Low Level
Low AdBlue™ or
DEF level
4-12
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Engine operating modes
See below the description of the indications of the instrument cluster and of the limitations to engine operation imposed
by the control unit.
ECU - Control unit that detects the error
SPN and FMI are the values that must be communicated to your Argo Tractors Dealer to identify
the problem.
2/4 indicates: number of displayed alarm/total number of displayed alarms.
NOTE: Refer immediately to your Argo Tractors Dealer if alarms are present or if the engine is losing power.
If the machine is used for a long time in such conditions, the engine system will be damaged.
AdBlue
TM
or DEF liquid level
Buzzer European markets
Canada market
and United States
level
switched
off
on
fixed
on
flashing (Hz)
switched
off
on
fixed
on
flashing
on reaction of the system reaction of the system
> 15% YES YES OFF -- --
< 15% YES YES OFF -- --
< 10% YES (0.5 Hz) YES OFF -- --
< 5% YES (0.5 Hz)
YES
(yellow)
ON No reduction of engine power No reduction of engine power
< 5%
(10 min)
YES (1 Hz)
YES
(yellow)
ON
Level 1 reduction (reduction of
engine torque by 25%, reduction
rate by 10% every minute)
No reduction of engine power
< 5%
(15 min)
YES (2 Hz)
YES
(red)
ON
Level 1 reduction (reduction of
engine torque by 25%, reduction
rate by 10% every minute)
No reduction of engine power
< 5%
(20 min)
YES (2 Hz)
YES
(red)
ON
Level 2 reduction (reduction of
engine torque by 50%, reduc-
tion rate by 10% every minute,
engine speed reduction activates
at 360 rpm).
Level 2 reduction (reduction of
engine torque by 50%, reduc-
tion rate by 10% every minute,
engine speed reduction activates
at 360 rpm).
Instruments
4-13
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
AdBlue
TM
or DEF liquid quality
Buzzer European markets
Canada market
and United States
quality
switched
off
fixed on
on
flashing (Hz)
switched
off
fixed on
on
flashing
on reaction of the system reaction of the system
too low YES
YES (yel-
low)
ON No reduction of engine power No reduction of engine power
too low YES
YES (yel-
low)
ON
No reduction of engine power,
it activates 9h 50min after de-
tection
No reduction of engine power,
it activates 1h 50min after de-
tection
too low YES
YES (yel-
low)
ON
Level 1 reduction (reduction of
engine torque by 25%, reduc-
tion rate by 10% every minute).
It activates 10h after detection
No reduction of engine power, it
activates 2h after detection
too low YES YES (red) ON
Level 1 reduction (reduction of
engine torque by 25%, reduction
rate by 10% every minute). It ac-
tivates 19h 50min after detection
No reduction of engine power,
it activates 3h 45min after de-
tection
too low YES YES (red) ON
Level 2 reduction (reduction of
engine torque by 50%, reduc-
tion rate by 10% every minute,
engine speed reduction activates
at 360 rpm). It activates 20h after
detection
Level 2 reduction (reduction of
engine torque by 50%, reduction
rate by 10% every minute, engine
speed reduction activates at 360
rpm). It activates 3h 55min after
detection
4-14
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Technical fault in the AdBlue
TM
or DEF system
Buzzer European markets
Canada market
and United States
technical
fault
switched
off
fixed on
on
flashing (Hz)
switched
off
fixed on
on
flashing
on reaction of the system reaction of the system
error
detected
YES
YES
(yellow)
ON No reduction of engine power No reduction of engine power
error
detected
YES
YES
(yellow)
ON
No reduction of engine power,
it activates 35h 50min after
detection
No reduction of engine power,
it activates 1h 50min after de-
tection
error
detected
YES
YES
(yellow)
ON
Level 1 reduction (reduction of
engine torque by 25%, reduc-
tion rate by 10% every minute).
It activates 36h after detection
No reduction of engine power, it
activates 2h after detection
error
detected
YES
YES
(red)
ON
Level 1 reduction (reduction of
engine torque by 25%, reduction
rate by 10% every minute). It ac-
tivates 99h 50min after detection
No reduction of engine power,
it activates 3h 45min after de-
tection
error
detected
YES
YES
(red)
ON
Level 2 reduction (reduction of
engine torque by 50%, reduction
rate by 10% every minute, engine
speed reduction activates at
360 rpm). It activates 100h after
detection
Level 2 reduction (reduction of
engine torque by 50%, reduction
rate by 10% every minute, engine
speed reduction activates at 360
rpm). It activates 3h 55min after
detection
Technical fault in the AdBlue
TM
or DEF system
Buzzer European markets
Canada market
and United States
technical
fault
switched
off
fixed on
on
flashing (Hz)
switched
off
fixed on
on
flashing
on reaction of the system reaction of the system
hardware
error
detected
YES YES (red) ON No reduction of engine power No reduction of engine power
hardware
error
detected
YES YES (red) ON
Level 2 reduction (reduction of
engine torque by 50%, reduction
rate by 10% every minute, engine
speed reduction activates at 360
rpm). It activates 10min after
detection
Level 2 reduction (reduction of
engine torque by 50%, reduction
rate by 10% every minute, engine
speed reduction activates at 360
rpm). It activates 10min after
detection
(for European markets)
NOTE: the hour counters for the passage to the reduction levels 1 and 2 are reset to zero after resolution of an error. If
general error due to quality or technical fault are present, if the error comes up again within 40 operation hours, the hour
counter will go on counting from the previous value.
(valid for Canadian and US markets)
NOTE: If general error due to quality or technical fault are present, if the error comes up again within 40 operation hours,
the system will activate the hour counter for the passage to a level 2 power reduction.
Instruments
4-15
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Override function (valid for European markets)
With this function the operator can move the machine in an emergency situation when an inducement situation is active
as described in the previous pages.
This function can be activated for max. 3 times within 30 minutes for each starting up. If the engine is put off, the remain-
ing time is memorized and can be used at the next engine start up.
During the override, the engine can operate at full power.
Override function (valid for Canadian and US markets)
This function is not allowed during a level 2 engine power reduction.
Service interval
The service timer warns the operator that service is needed.
When the timer reaches 0, the operator is warned by the menu displayed for 5" and the hour meter flashing. The same
display is repeated every time the key is ON in pop-up mode, up to the reset of counter for service.
When the menu is displayed, to avoid a recurrence of the pop-up, just set a new value in the AC9 menu (see further in
this section).
If the operator, in the future:
no longer wants to see this pop-up, a 0 value must be set in the AC9 menu.
wants to see this pop-up again, a value different from 0 must be set in the AC9 menu.
The service counter carries out a countdown of the hours to the next service any time the engine is started.
If the service interval in the accessory menu AC9 is set on 0, the count for the service interval is disabled. The factory
set value is 0.
4-16
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Alarm from operator present sensor on seat
When the seat sensor activates the buzzer, the seat icon appears on the display as a low priority pop-up.
Refer to "Management of operator present control" in Section 3 to understand the logic of the sensor.
If the seat sensor alarm is not active, this menu is not displayed.
Electra-hydraulic effectiveness
This function is available only with electronic controlled
transmission.
For operation, see paragraph Adjustment of electro-
hydraulic reverse shuttle effectiveness in section 3 of
this manual.
The cursor indicates the reactivity of the clutch automatic
engagement.
To change the value displayed by the instrument cluster,
turn the potentiometer as illustrated below.
NOTE: if the potentiometer is turned from without the
menu on the instrument cluster, the display will show the
menu as a pop-up in all cases.
Instruments
4-17
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Counters
By this menu it is possible to see parameters of the worked area. It is possible to monitor 4 different parameters of the
worked area.
The start page of this menu is the following:
Distance covered
Area worked
Litres of fuel used
Work hours
The number “1” shows that the first counter is selected, the number “4” shows
that 4 counter are available within the menu. If the “Worked area” counter had been
selected, the indication “1/4” would change to “2/4”.
At the highest level of this menu (see image at page beginning), push Enter to go at a submenu (see image below). These
menus only differ for the word Esc. To scroll the 4 counters, press the right or left button.
It the counter is operating, the sequence number at the bottom of the page (1/4 in the image above) flashes to indicate
this. The counter used in the main page is the last used.
In the following example, the third timer is selected.
At this level it is possible to switch from one counter to another.
If you press Enter (short pressure) while a counter is displayed, the counter starts or stops.
Press Enter a few seconds (long pressure) to reset the counter to zero.
If you press the Esc button, the control goes back to the higher level.
The displayed measurement units are compliant with the setting as described in "AC5: Euro/NAO sales market".
The information are not lost when the tractor is off.
Calibrations (if the software version calls for them)
Calibrations are used to calibrate the parameters in electronic controllers.
Calibrations are to be carried out by specialised personnel at your official Argo Tractors Dealer.
IMPORTANT: this menu is not an operator menu. Please ask your authorised Argo Tractors dealer.
4-18
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Engine controller menu
A and B are always displayed. The alarm icons are displayed only when an alarm is enabled.
Alarm indicators
Instant consumption: instant consumption of fuel litres in a hour
battery voltage in Volt
Worked area: instant worked area in hectars per hour
Icons of alarm indicators and meaning
Pre-heating grid heater
Indicator light of water in fuel
Standstill procedure request indicator
Standstill procedure running
During the standstill operation, the icon hereunder will be shown full screen in the middle display of the instrument cluster.
The presence of this icon shows that the standstill operation is running.
If this icon is displayed, keep up all conditions required to complete the standstill operation.
Do not move the tractor and wait for the operation to be complete.
Instruments
4-19
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Standstill operation of the exhaust
gas post-treatment system
When the indicator comes up on the instrument
cluster, the Standstill operation must be carried out.
The standstill procedure may be started if the following
conditions are complied with:
Tractor at standstill
Parking brake applied
Rear PTO not active
Front PTO not active
The AdBlue
TM
or DEF must not be frozen
The engine coolant must have a minimum operating
temperature of 70 °C approximately.
If the above conditions are complied with, the standstill
operation may be started by pressing the button (1) on
the right side of the instrument turret.
NOTE: while the standstill operation is running, let the
engine idle (about 800 rpm).
NOTE: the duration of the standstill operation depends
on a few factors due to the use conditions. The duration
may even be of about one hour. During the whole length
of time the above mentioned conditions must be kept up
and access to the tractor is forbidden to any not author-
ized persons.
During the whole standstill operation, on the display in the
middle of the instrument cluster the indicator shown here
at the side will be lit to indicate the operation is running.
The indicator lamp will go out as soon as the operation
is completed.
WARNING: if no standstill operation is carried out
when requested, the functionality of the exhaust gas
post-treatment system will be impaired. If such request
is still ignored, besides having a a strong reduction in
engine power, the system can be damaged so much
that an intervention of the Argo Tractors authorised
Dealer will be required.
WARNING: during the standstill operation in-
candescent gases are expelled that can cause
harm to persons and damage things.
The operation must always be carried out:
outdoor
far from potentially flammable materials,
such as hay, straw, dry leaves, etc.
clear of persons or animals
preventing access of non authorized persons
to the tractor
NOTE: with the
light on with a steady yellow light,
and in the presence of one or both of the following SPN
7FFA1 and 7FFA2, FMI 8 alarm codes on the display, you
must contact your Argo Tractors official dealer to perform
the engine oil reset procedure.
NOTE: Every time the engine oil must be changed, we
advise a forced standstill with the old oil, and only after-
ward to change it.
4-20
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Left button de-
pressed
Right button de-
pressed
Enter
depressed
Adjustment of screen, lamps and indicators brightness
By this menu the brightness of the screen can be adjusted at night with sidelights on. The start page will be the following:
Ent at the bottom left of the start page indicates that a submenu can be reached (calibration level).
To change the brightness, press the button Enter, then the right button to increase the brightness by 1 level, or the left
button to decrease of 1 level. When the right or left button is pressed, the square of - or + turns black while the sign turns
white. Press the Enter button 2 seconds long to save the new level; the control goes to the start page. If during brightness
adjustment the button Esc is pressed, the previous brightness level remains unchanged. In the brightness adjustment
page, Ent means that the value can be saved, while Esc means exit from the brightness adjustment.
During brightness adjustment, whether sidelights are on or not, the instrument cluster adjusts its brightness to the changes
being made. Once the new setting is saved, if the sidelight are on, the new setting is immediately applied, otherwise the
setting is remembered and the instrument cluster uses the maximum brightness.
If a general error (minor or major) occurs during the input of values, the instrument cluster will display it only after the
end of the adjustment.
Instruments
4-21
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Constant engine rate (if the software version calls for it)
Press the button (1) on the right console to enter a con-
stant engine rpm rate.
NOTE: for a complete description of how to use this func-
tion, see the paragraph "Operation" further in this manual.
After pressing the button (1) (long pressure), a low priority pop-up like the one underneath is displayed to inform the
operator that the constant engine rpm rate has been saved.
When the “Constant engine rpm rate” is enabled, in the Transmission display area the
engine symbol will be displayed with an “M” inside as shown here at the side.
When the function "constant engine rpm rate" is disabled, the symbol
is replaced
by the symbol
.
The value in the figure is only an example.
The engine symbol and the indication “n/min” are always displayed.
The symbol means the engine rpm rate value is stored. This symbol is only
displayed in the saving phase, but not in the activation/deactivation phase of
the function.
NOTE: as soon as the engine rpm rate is saved, the function will remain active.
To disable the constant engine revolutions function, press the button (1) (brief pressure) on the right console.
When the constant engine rpm rate is disabled, no pop-up is displayed. Instead, on top right of the transmission area the
symbol
is replaced by the symbol .
For detailed information about the function “Constant engine rate”, refer to Operation chapter in the section 5 in this manual.
4-22
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Key
1. Enter pressed
2. Right button pressed down: the cursor is moved to the right (+)
3. Left button pressed down: the cursor is moved to the left (-)
4. Long pressure on Enter: cursor position stored
1 2
3
4
In each mask of the above diagram, except the first on on top left, if Esc is pressed the instrument cluster will show the
mask at top left with the cursor in the same position displayed before entering the menu.
If a general error (minor or major) occurs while the function is being set up, the instrument cluster will display it only after
the end of the adjustment.
The instrument cluster displays the mask at the side, without the indication
"Ent", in the following cases:
if an error occurred, please contact your Argo Tractors Dealer.
an attempt was made to change the profile while the PTO was running.
Stop the PTO.
Selection of rear PTO engagement curve
(if the software version calls for it)
By this menu different response profiles for the rear PTO can be set.
Instruments
4-23
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Selection of front PTO engagement curve
(if the software version calls for it)
By this menu different response profiles for the front PTO can be set.
Key
1. Enter pressed
2. Right button pressed down: the cursor is moved to the right (+)
3. Left button pressed down: the cursor is moved to the left (-)
4. Long pressure on Enter: cursor position stored
1 2
3
4
In each mask of the above diagram, except the first on on top left, if Esc is pressed the instrument cluster will show the
mask at top left with the cursor in the same position displayed before entering the menu.
If a general error (minor or major) occurs while the function is being set up, the instrument cluster will display it only after
the end of the adjustment.
The instrument cluster displays the mask at the side, without the indication
"Ent", in the following cases:
if an error occurred, please contact your authorised Argo Tractors Dealer.
an attempt was made to change the profile while the PTO was running.
Stop the PTO.
4-24
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Alarms
If no alarm is displayed or the system detects a new one at least, the high priority pop-up as shown under will open to
indicate the total number of alarms.
Number of present/detected alarms
Indicates 4 alarms present/number of pages
The first page shows the amount of present alarms, while the following pages
show the specific codes that are to be communicated to the authorised Argo
Tractors dealer.
The main display shows all errors in the system (errors of the instrument cluster + other errors of the electronic controllers).
If there are no errors in the system, the menu is disabled.
Press Enter to go to the pages that show the enabled alarms.
Active alarms are displayed in the following format:
ECU - Control unit that detects the error
SPN and FMI are the values to be communicated to the authorised Argo Tractors dealer.
2/4 indicates: number of displayed alarm/total number of displayed alarms.
Press Esc to leave alarm display and return to the main page.
If the alarm lists change during these displays, the system updates the list, but the screen shows the same alarm.
Instruments
4-25
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Transmission display area
Gear and range engaged
NOTE: according to the transmission setting, the indications on the instrument cluster may be different. Here under we
give a detailed list of all the possible indications.
Symbols N/P/D/R
See following figures
Number values:
1 = L underdrive
2 = D direct
3 = Overdrive
N - Neutral
P - Park Lock engaged (if fitted)
D - Forward speeds
R - Reverse
NOTE: if the instrument cluster shows a series of dashes, contact your Argo Tractors Dealer.
4-26
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Driving direction
The tractor symbol is always lit.
Only in set-ups with hydraulic reverse shuttle, the instrument cluster will display the following icons in the following cases:
the forward driving direction was required (arrow up is lit).
the reverse driving direction was required (arrow down is lit).
a malfunction was detected (both arrows are lit).
Instruments
4-27
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Power take-off menu
Symbol of rear PTO
Always lit up
Rear PTO speed rate
Rear PTO speed rate
Front PTO speed rate
Front PTO symbol lit up
only if front PTO is provided
.
Overspeed of rear and front PTO (if equipped).
If an overspeed is detected, the exclamation mark is lit
and the actual speed of the PTO flashes.
Overspeed
Front PTO
Overspeed
Rear PTO
Speed rate of front PTO
(if equipped)
If the front PTO is engaged, the display will show the speed rate of the front PTO.
If an overspeed is detected, the speed rate flashes.
Speed rate of rear PTO
The speed rate of the rear PTO is displayed.
If an overspeed is detected, the speed rate flashes.
Speed rate of rear PTO engaged
Refer to the paragraph “Selected PTO speed rate” further in this chapter.
4-28
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Auto PTO (rear Power Take-Off, automatic option) (if provided)
When the operator recalls the Auto PTO function, the PTO area in the display is refreshed as follows:
Refer to the “Operation” section in this manual for further information on the auto PTO function.
Stationary tractor
When the stationary tractor status is enabled, the PTO area in the display is refreshed as follows:
The symbol is displayed as long as the “Stationary tractor” mode is enabled. When the “Stationary tractor” mode
is quitted, the
symbol is replaced by the tractor symbol .
IMPORTANT: The Stationary tractor function cannot be entered when the tractor is on the move.
NOTE: The Stationary tractor function is disengaged automatically as soon as the tractor reaches a design speed limit that
guarantees the operator's safety.
When the "stationary tractor" work mode is activated, the instrument cluster display shows the following icon as a low
priority pop-up.
Instruments
4-29
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Front axle suspension (if equipped)
All information about the front axle suspension is displayed on the instrument cluster, as described here.
Automatic - SOFT
Suspension activated and kept in middle position;
Two operation pressure phases;
Interlocking logics at end of travel by means of the lock
valves;
Operating speed range: 0 kph to max. speed
Indicator light on in the button (1)
Automatic - MID
Suspension activated and kept in middle position;
Two operation pressure phases;
Lock valves partially closed to increase rigidity;
Interlocking logics at end of travel by means of the lock
valves;
Operation range: 0 kph to max. speed
Indicator light on in the button (1)
Automatic - HARD
Suspension activated and kept in middle position;
Two operation pressure phases;
Lock valves almost completely closed to increase rigidity;
Interlocking logics at end of travel by means of the lock
valves;
Speed range: 0 kph to max. speed
Indicator light on in the button (1)
LOCKED
Suspension locked and kept in middle position;
Two operation pressure phases;
Lock valves completely closed;
Speed range: 0 kph to 15 kph goes automatically in auto-
matic mode.
Indicator flashing in the button (1)
Premendo il pulsante (1) sulla torretta centrale portastru-
mento è possibile selezionare tre livelli di rigidità della
sospensione e attivare/disattivare la modalità di sospen-
sione bloccata. E' inoltre possibile accedere alla modalità
manuale (Manual mode) con menù dedicato.
NOTA: per la descrizione completa sull’utilizzo di que-
sta funzione, vedere più avanti in questo manuale nella
sezione “Norme d’uso”.
4-30
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Manual mode
The position can be adjusted by means of a dedicated menu.
Check for the operating pressure so that is it neither too high
nor too low;
Lock valves completely closed;
Operating speed range: 0 kph to 2 kph switches automatically
to the last used mode.
Indicator on the button (1) is off.
Front axle suspension adjustment in Manual mode (if equipped)
The following mask is displayed if a problem occurs. It is then necessary to refer to your authorized Argo Tractors Dealer.
By this menu you can set the suspension height of the front axle.
CAUTION: with the tractor at standstill, the raising and lowering
movements are dangerous for anyone standing by
the front axle.
CAUTION: do not carry out any adjustments of the front axle
height if there are persons near the tractor’s forecar-
riage.
From the above mask, press Enter to change the suspension height:
press down the right arrow key to select the up arrow and press Enter to increase the height.
press down the left arrow key to select the down arrow and press Enter to reduce the height.
Esc pressed down
Esc pressed
down
Enter pressed
down
Enter pressed down
Instruments
4-31
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Accessories menu
Key
1. Right button pressed down: next menu
2. Left button pressed down: previous menu
3. Right button pressed down: to increase a factory set value
4. Left button pressed down: to reduce a factory set value
Ignition key OFF: no storing
Ignition key ON
No operation for 10": exit from
menu
Engine on
Start up without any storing
When the engine is switched on
Long pressure on Esc
Longer pressure on Enter
Setting saved
Changing parameters
Longer pressure on Enter
General use of the tractor
Ignition key OFF
(engine off)
Ignition key OFF
Ignition key OFF
Ignition key ON
Enter pressed 3”
Enter pressed
Configuration menu
1
3
2
4
No operation for 10"
no storing
Esc pressed
no storing
4-32
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Changing parameters
Parameters are of 2 types:
Numbers or values to set after selecting among preset values.
Number parameters change one digit at a time.
Parameters to be scrolled change while depressing the right or left buttons. The value increases or decreases in a cyclical
way while scrolling the available values. Example: 1->2->3->4->1.
If you enter the write mode, the whole number flashes (each flash 0.5 seconds if not otherwise specified). The value in-
creases or decreases one unit at a time by pressing the buttons left/right. When the maximum/minimum value is reached,
the parameter goes back to the maximum/minimum value.
All arrows described in the following parameters are empty if the buttons left/right are not depressed, while they are full
black when one of these buttons is depressed.
White arrow: button not depressed.
Black arrow: button depressed.
AC 0: Display of component parameters
The display shows the information contained in the instrument panel.
0: 0 Accessories Menu
Software/Loader: name and version of software.
Par: versions of parameters. The displayed name indicates tractor model and parameters.
HW: HW version
SN: production number.
No button depressed Left button depressed Right button depressed
Instruments
4-33
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
AC 1: Implement width (calculation of worked area)
Implement width: this value allows a calculation of the worked area.
Dimension adjustable from 0 to 99.99 meters or from 0 to 109.35 yards
0: means not defined: worked area not activated
The measurement unit is automatically related to the sales market. Meters EURO; yard NAO
Previous configuration
menu
Next configuration
menu
Configuration menu for
implement width
Enter pressed briefly.
The digits after the
point are flashing.
Enter pressed briefly.
The digits before the
point are flashing.
Longer pressure on
Enter
Setting saved
1 1
2 2
3
8
8
3
6 6
7 7
3
4 45 5
Key
1. Right button pressed down
2. Left button pressed down
3. Enter pressed for a short time
4. No activity for more than 10 seconds, no memorisation
5. Esc button depressed, no memorisation
6. Right button pressed down: to increase a factory set value
7. Left button pressed down: to reduce a factory set value
8. Enter button pressed for a few moments
4-34
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
AC 4: Power take-off type
This is NOT an operator menu.
DO NOT enter this menu.
AC 5: Sales market Euro/NAO
The menu selects the sales marked of the tractor. EURO: Europe; NAO North America
Selection EURO or NAO will change the following measurement units:
EURO NAO Conversion factor
Speed kph mph km/h to Mph / 1.609
Area worked ha acre ha to acre x 2.47
Distance km mile km to mile / 1.609
Area/hour worked ha/h Acre/h ha/h to Acre/h x 2.47
Fuel l USA gallons From l to gallons x 0.26417
Instruments
4-35
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
AC 7: Clock
Display is in 24h
Key
1. Left button pressed down
2. Right button pressed down
3. Enter pressed for a short time
4. No activity for more than 10 seconds, no memorisation
5. Esc button depressed, no memorisation
6. Right button pressed down: to increase a factory set value
7. Left button pressed down: to reduce a factory set value
8. Enter button pressed for a few moments
Previous configuration
menu
Next configuration
menu
Configuration menu of
Clock
Enter pressed briefly.
Minute digits are
flashing
Enter pressed briefly.
Hour digits are flashing
Longer pressure on
Enter
Setting saved
1 1
2 2
3
8
8
3
6 6
7 7
3
4 45 5
4-36
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
AC 8: Work hours offset
This is NOT an operator menu.
DO NOT enter this menu.
AC 9: Service interval
By this menu a service interval in hours can be set. The instrument cluster starts a countdown to 0. Then the operator
will be advised that the set interval is reached.
The operator may set a new value, or enter a 0 meaning that no service interval has to be set. It is always possible to set
a new service interval anytime.
The factory set value for this menu is 0.
AC 12: Calibrations (if the software version calls for them)
This menu is only present depending on the software version that is installed in the instrument cluster.
Calibrations are to be carried out by specialised personnel at your official Argo Tractors Dealer.
NOTE: this menu is not an operator menu. Please ask your authorised Argo Tractors dealer.
Instruments
4-37
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Functionality
WARNING:
NEVER ignore signals from indicator lights and messages.
Stop the tractor in a safe position.
Indicator lights/Indicators/LCD screen activation
Indicator lamp
Red colour
Ignition key ON
Parking brake not engaged - Indicator light OFF
Parking brake engaged and stationary tractor - Indicator light ON
Parking brake engaged and tractor on the go - Indicator light on and flashing (these two conditions will stay active as long
as one of the indicated conditions remains present)
Ignition key OFF
If the parking brake is disengaged
The indicator light flashes for 10 seconds (or until engagement of the parking brake)
Buzzer ON for 10 seconds (or until engagement of the parking brake)
Transition from key ON to key OFF:
Parking brake not engaged
Indicator light ON 5"
Buzzer ON 5"
Insufficient pressure in the trailer brake circuit (hydraulic/air circuit)
Indicator lamp
Red colour
Ignition key ON
Pressure OK - System OK - Indicator light OFF
Low pressure in the circuit - Indicator light ON
Ignition key OFF
Function not active.
Pressure in the trailer air brake circuit
This function is active if a trailer air brake is present.
In case of low pressure or if an alarm condition is detected in the air braking system, the instrument cluster display will
show the following images as a high priority pop-up.
"Low" is flashing to show a low pressure in the system
The graphic bar range is 0 to 8 bars. The graphic bar is at travel end if the pressure is over 8 bars.
The activation of an alarm involves the indicator light and gives a warning sound only if the engine is run-
ning. (0.25" sound, 0.25" off etc. until the alarm condition is present).
If the system detects an electric error for longer than 2", an error message is displayed without operation of indicator
light and buzzer.
4-38
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Battery charging
Indicator lamp
Red colour
Ignition key: indicator light on
Ignition key ON - Engine started: Indicator light OFF. If the
indicator light lights up, this means that the battery is not
being charged (fault).
Driving beams
Indicator lamp
Blue colour
Ignition key ON
Driving beams off - Light OFF
Driving beams on - Light ON
Ignition key OFF
If the beams are lit
Indicator light ON 5"
Buzzer ON 5"
Transition from key ON to key OFF:
Driving beams ON
Indicator light ON 5"
Buzzer ON 5"
Parking lights
Indicator lamp
Colour green
Ignition key ON
Side lights off - Light OFF
Side lights on - Light ON
Ignition key OFF
If the side light are lit
Indicator light ON 5"
Buzzer ON 5"
Transition from key ON to key OFF:
Side lights on
Indicator light ON 5"
Buzzer ON 5"
Turn Left Indicator
Indicator lamp
Colour green
Ignition key ON
Turn indicator off - Light OFF
Turn indicator on - Light ON
Ignition key OFF
Turn indicator off - Light OFF
Turn indicator on - Light ON
Turn right Indicator
Indicator lamp
Colour green
Ignition key ON
Turn indicator off - Light OFF
Turn indicator on - Light ON
Ignition key OFF
Turn indicator off - Light OFF
Turn indicator on - Light ON
Turn indicator of the first trailer
Indicator lamp
Colour green
Ignition key ON
Turn indicators off - Light OFF
Turn indicators on - Light ON
Ignition key OFF
Turn indicators off - Light OFF
Turn indicators on - Light ON
Turn indicator of the second trailer
Indicator lamp
Colour green
Ignition key ON
Turn indicators off - Light OFF
Turn indicators on - Light ON
Ignition key OFF
Turn indicators off - Light OFF
Turn indicators on - Light ON
Diff lock engaged
Indicator lamp
Colour yellow
Ignition key ON
Lock engaged - Light ON
Lock disengaged - Light OFF
Ignition key OFF - Not enabled
4-wheel drive engaged
Indicator lamp
Colour yellow
Ignition key ON
4WD engaged - Light ON
4WD disengaged - Light OFF
Ignition key OFF - Not enabled
Instruments
4-39
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Hydraulic filter clogged
Indicator lamp
Colour yellow
Ignition key ON - Engine ON
Clogged filter - Light ON
Ignition key ON - Engine OFF
Clogged filter - Light ON
Ignition key OFF - Not enabled
Low pressure in the hydraulic circuit
Indicator lamp
Red colour
Ignition key ON - Engine ON
Low pressure and engine temperature over 60° (*) - Light
ON
Ignition key ON - Engine OFF
Low pressure - Light ON
Ignition key OFF - Not enabled
* If the engine temperature was not correctly detected,
it will be ignored (light on independently).
Rear PTO engaged
Indicator lamp
Colour yellow
Ignition key ON
Rear PTO engaged - Light ON
Ignition key OFF - Not enabled
Front PTO engaged
(if equipped).
Indicator lamp
Colour yellow
Ignition key ON
Front PTO engaged - Light ON
Ignition key OFF - Not enabled
The RPM of the front PTO are calculated directly by the
engine RPM: refer to paragraph “Power take-off menu
on page 4-27 for display of the front PTO speed rate.
Problem in the tractor brake system
(oil level/pressure)
Indicator lamp
Red colour
Ignition key ON
Problem of oil level/pressure - Light ON
Ignition key OFF - Not enabled
Water in the fuel circuit
Indication on LCD display
No indicator light, alarm displayed on LCD in engine ECU
menu.
Ignition key ON
Water present - Alarm displayed on LCD
Ignition key OFF - Not enabled
Low engine oil pressure
Indicator lamp
Red colour
Malfunction - Indicator light steadily on
Clogged engine air filter
Indicator lamp
Red colour
Ignition key ON
Clogged filter - Light ON, service required
Ignition key OFF - Not enabled
Glow plugs
No indicator light. Indication on LCD
The indication lights up on LCD
Ignition key ON
Glow plugs activated - Indication on LCD
Glow plugs not activated - Indication on LCD
Ignition key OFF - Not enabled
4-40
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Engine Error
Indicator light
Colour yellow
Ignition key ON
See "Alarms generated by the instrument cluster" in this
section 4.
Ignition key OFF - Not enabled
Stop
Indicator light
Red colour
Ignition key ON
See "Alarms generated by the instrument cluster" in this
section 4.
Ignition key OFF - Not enabled
Master warning
Indicator light
Colour yellow
Ignition key ON
See "Alarms generated by the instrument cluster" in this
section 4.
Ignition key OFF - Not enabled
Fault in the anti-polluting system
Indicator light
Colour yellow
Ignition key ON
The indicator light comes on if a fault in the anti-polluting
system occurs or if the AdBlue™ or DEF is of poor quality.
The indicator light will come on in one of the two follow-
ing conditions:
fixed to indicate a major problem
flashing to indicate a problem that could become seri-
ous if ignored
NOTE: in case of fixed light, contact your authorised Argo
Tractors Dealer.
Ignition key OFF - Not enabled
Low AdBlue™ or DEF level
Indicator light
Colour yellow
Ignition key ON
The indicator light will come on in case of a fault in the
AdBlue
TM
or DEF level control system, or when the level
in the reservoir is low.
The indicator light will come on in one of the two follow-
ing conditions:
fixed: indicates a low AdBlue™ or DEF level in the
reservoir
flashing: the AdBlue™ or DEF reservoir needs filling
up. The light will become fixed if the reservoir is not
filled up. Also refer to section “AdBlue™ or DEF level”
in this section 4.
Ignition key OFF - Not enabled
Instruments
4-41
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Selected PTO speed rate
Refer to display area of PTO
PTO 1000 RPM engaged
1000E PTO engaged
PTO 540 RPM engaged
540E PTO engaged
Creeper Engagement
No indicator light.
In the Transmission display area, the instrument cluster
will display the symbol
instead of .
Ignition key ON
Creeper engaged
Creeper not engaged
Ignition key OFF - Not enabled
4-42
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fuel indicator light and gauge
Indicator light
Colour yellow
1 - Empty
Lamp ON - Indicator light comes on when the gauge
enters the yellow sector.
2-3-4 Normal level
5 - Full
When the fuel reaches the reserve level, the indicator light
comes on and stays lit.
NOTE: If an error is detected in the sensor, the gauge
pointer goes to position 1 with the indicator light off. Refer
to your Argo Tractor Dealer and communicate which alarm
is displayed on the instrument cluster.
Engine RPM rate
If the engine starts racing (> 2600 RPM) the pointer re-
mains at full scale.
NOTE: If the pointer is blocked at full scale, please refer
to your Argo Tractors Dealer.
Engine coolant temperature
Indicator light
Red colour
The indicator light comes on:
with fixed light to warn that a critical temperature is
being reached. Stop the engine as soon as possible.
with blinking light to warn that a critical temperature
has been reached. STOP THE TRACTOR IMMEDIATELY.
WARNING: Before beginning any inspections make
sure that the engine has cooled down. Beware of hot
parts in the engine and in the coolant radiator.
Before attempting any service, please refer to the proce-
dures in Section 7 of this manual.
- Blue area A to B: low temperature.
- White area B to F: normal operating temperature.
- Red area F-G: overheating. Refer immediately to your
Argo Tractors Dealer.
NOTE: in case of flashing light, contact your authorised
Argo Tractors Dealer.
Instruments
4-43
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Engine derating indicator light
Indicator light
Colour yellow
The indicator light comes on to indicate an engine power
reduction. In general, the light will come on in case of a
problem in message transmission on the
caN
line or along
with problems connected with exhaust gas treatment
together with the indicator lights:
Fault in the anti-polluting system
Low AdBlue™ or DEF level
NOTE: in case of fixed light, contact your authorised Argo
Tractors Dealer.
NOTE: Refer immediately to your Argo Tractors Dealer if
alarms are present or if the engine is losing power.
If the machine is used for a long time in such conditions,
the engine system will be damaged.
4-44
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Alarms of instrument cluster
Errors can be displayed in two ways:
1. Directly, the display shows actual errors.
2. Through instruments available to personnel of the Argo
Tractors Dealer.
Each alarm is identified by the electronic module that gen-
erated it, by the SPN code plus FMI code. The electronic
module that generated the alarm and the codes SPN and
FMI displayed by the instrument cluster should be com-
municated to the service personnel of your Argo Tractors
Dealer for a quick solution to the problem.
General alarms (yellow)
The indicator light may be in one of the following condi-
tions:
- Off
- Steady on
- Blinking (0.5” on / 0.5” off)
Engine alarms (yellow)
The indicator light may be in one of the following condi-
tions:
- Off
- Steady on
- Blinking (0.5” on / 0.5” off)
- Fast flashing (0.25” on / 0.25” off)
General alarms (red)
The indicator light may be in one of the following condi-
tions:
- Off
- Steady on
- Blinking (0.5” on / 0.5” off)
Error displaying
Each error is displayed for minimum 5".
To view the errors, see the paragraph “Alarms” in this
section 4.
CAUTION
If signals of indicator lights and messages are ignored,
the tractor is exposed to serious damages.
WARNING: always warn your authorized Argo Tractors
Dealer of any alarms. Also communicate the SPN and
FMI codes displayed on the instrument cluster.
Work hours management
clock
actual hours
worked by the
tractor
The display shows the actual hours worked by the tractor.
The value on the hour counter cannot be changed or
deleted.
The value displayed ranges from 0.0 to 999999.9. When
the value 999999.9 is reached, the hour counter stops.
Instruments
4-45
4
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Management of operator present control
WARNING: Use of the tractor is allowed only if the operator is correctly seated in the driver's seat. An auto-
matic alarm buzzer advises the operator of each improper operation. This buzzer warns that the operator
is non seated in the driver's seat, therefore the tractor cannot be operated safely.
WARNING: Do not tamper with this component in any way.
Contact your Argo Tractors Dealer immediately if the system is not operating correctly.
The instrument cluster includes the operator present alarm logic, that warns the operator if he/she should leave his/her
seat without engaging the parking brake and shifting the gearshift lever to neutral.
The instrument cluster will activate the buzzer according to the following logic:
Case 1: Ignition key OFF
If the parking brake is disengaged, the indicator light "parking brake" flashes and at the same time the buzzer is activate
for 10 seconds until the parking brake is engaged.
Case 2: Engine ON
If the sensor detects the absence of the operator and the gearshift is not in neutral or the parking brake is not engaged,
the buzzer is activated. The indicator light "parking brake" flashes only if the parking brake is not engaged. Alarms are
active until the causing conditions are not satisfied (gearshift in neutral, parking brake engaged or seated operator).
Case 3: Ignition key ON - Engine OFF
If the sensor detects that the operator is not present and the parking brake is not engaged, the buzzer activates and the
indicator light "parking brake" flashes for 5 seconds.
When the operator present switch on the seat activates the buzzer, the following icon is displayed in pop-up mode and
low priority:
4-46
Instruments
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Operation
5-1
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Section 5
Operation
5-2
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
GENERAL OPERATION
Before starting the engine
WARNING: An OPERATOR PRESENCE SAFETY
SWITCH is fitted on this tractor. ONLY oper-
ate the tractor when sitting on the seat. DO
NOT try to bypass the OPERATOR PRESENCE
SAFETY SWITCH, for example, by putting
heavy objects on the seat. This can result in
serious injury or death.
WARNING: Before starting the engine, be sure
all operating controls are in neutral and the
park brake is engaged. This will eliminate ac-
cidental movement of the machine or start up
of power driven equipment.
WARNING: Never start the engine in a closed
place. Always make sure that there is adequate
ventilation.
Do the following checks before starting the tractor for
the first time.
1. Check all fluid levels; i.e. engine crankcase, transmis-
sion, coolant (in the recovery bottle) and fuel tank etc.
When checking the fuel level, make sure the tank is
filled with clean fuel. Make sure all persons that oper-
ate or do maintenance on the tractor understand that
clean fuel is important.
Clean around the fuel tank cap before you remove the
cap.
2. Check all lubrication fittings.
3. Check all around the tractor for leaks.
4. Check that all drive belts are adjusted correctly.
5. Remove any water or sediment from the fuel primary
filter.
6. Check the air pressure of the tyres.
7. Make sure that the safety protection is installed in the
PTO, that must be in optimal conditions.
WARNING: Carefully read the starting instruc-
tions before starting the tractor.
WARNING: Always take into account the use
of the machine and the work place. Take
every precaution, specially if there is a high
risk of fire.
WARNING: DO NOT start the tractor from the
ground. Only start the tractor when you are
sitting in the driving seat.
WARNING: DO NOT start the tractor if the
bonnet is open or the guards are removed.
WARNING: The operator must always seat in
his/her place when driving the tractor both in
the field and on roads. DO NOT stand up from
your seat when the tractor is moving.
Recommendations for running in
For a correct running in, it is necessary to observe all
precautions called for in the Maintenance section.
Continuous use of light loads when the engine is still
new may cause lubrication oil to enter the discharge
system.
You should begin using heavy loads as soon as the
engine is put into service and the coolant reaches a
minimum temperature of 60°C.
The engine will benefit if heavy loads are applied im-
mediately after the first start.
DO NOT run the engine for long periods at maximum
load.
Do NOT let the engine run for a long period at high
RPM without any draft applied. If the engine is used
without any drafts, be careful to keep the right operat-
ing temperature.
Operation
5-3
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Starting procedure [2.c]
CAUTION: The engine may be started only in
the conditions given here under. Otherwise,
please contact your Argo Tractors Dealer.
1. Make sure the Master Disconnect Switch is in the ON
position (turned clockwise).
2. Check that the reverse shuttle and gearshift levers are
in neutral.
Turn the rear PTO control switch off.
For tractors with front PTO, disengage the control (switch).
3. Check that the levers of the auxiliary control valves are
in neutral and that the hitch control position matches
the implement position, that is completely lowered.
4. Fully depress and hold the clutch pedal until the engine
ignites.
5. Turn the ignition key on the ON position, wait a few
seconds, then turn the key on the start position. Thus
the electronic control systems are activated and are
able to communicate with each other. The system will
perform a Lamp Check. All the lamps in the cab will
light for a few seconds. After a few seconds, only the
lamps involved in the starting phase will stay on.
NOTE: when starting the engine in particularly cold
weather, refer to the procedure further described in this
section, in “Cold weather starting (cold engine)”.
6. Shift the FNR lever to release the Park Lock (if provided).
TURBO ENGINE: let the engine run for a few seconds
with the starter motor to allow the turbo compressor to
be lubricated.
OPERATION
CAUTION: Carefully read the starting instruc-
tions before starting the tractor.
CAUTION: Always take into account the use
of the machine and the work place. Take
every precaution, specially if there is a high
risk of fire.
CAUTION: DO NOT start the tractor from the
ground. Only start the tractor when you are
sitting in the driving seat.
CAUTION: DO NOT start the tractor if the bon-
net is open or the guards are removed.
CAUTION: The operator must always seat in
his/her place when driving the tractor both in
the field and on roads. DO NOT stand up from
your seat when the tractor is moving.
5-4
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Starting the tractor [2.c]
WARNING: Before moving off, make sure you
are perfectly familiar with the brakes, trans-
mission, PTO, diff lock and engine shut off.
After starting the engine:
1. Fully depress the clutch pedal, select the gear required
and then select the required speed range.
WARNING: Make sure that the reverse shuttle
lever is set for the direction required.
2. Disengage the Park Lock (if equipped) and the hand
brake.
WARNING: Take care of bystanders, especially
when backing up.
3. Accelerate the engine slightly and gradually release
the gearshift clutch pedal.
4. Move your foot completely off the clutch pedal and
slowly accelerate until you have reached the speed
you need.
WARNING: Do NOT keep your foot on the gearshift
clutch pedal when driving and remember to check and
adjust the clutch to prolong its life and avoid sudden
damage to it.
WARNING: If your tractor is equipped with a mechani-
cal reverse shuttle, always bring the tractor to a com-
plete standstill before changing direction.
WARNING: To keep the operator, persons and
things safe, the operator MUST be correctly
seated before starting the tractor in forward
or reverse run.
WARNING: before leaving the tractor while the
engine is running:
- put the gearbox in neutral by means of the
reverse shuttle, gearbox and range lever
- shift to neutral the transmission control to
both front and rear PTO
- lower to the ground any implements that
is connected to the front or rear part [3.c]
- check that the auxiliary control valves levers
are in neutral position
- engage the parking brake
- engage the Park Lock (if mounted).
NEVER leave the tractor unattended as long
as the engine is still running.
Stopping the tractor [2.c]
Reduce the engine speed.
Depress the gearshift clutch pedal to disengage drive.
Once the tractor has come to a stop, move the gear
lever and speed range lever to neutral before releasing
the gearshift clutch pedal.
Use both pedal brakes to stop the tractor and then
apply the parking brake.
Engage the Park Lock (if mounted).
Turning off the engine [2.c]
Turn the hand throttle lever to the “Idling” position.
Engage the first gear, then apply the parking brake.
Lower to the ground any implements that is connected
to the front or rear part.
Stop the engine by turning the ignition key to the 0 posi-
tion to disconnect all electrical circuits. Remove the
key. Put the key away in a safe place, not accessible
to children and not authorised persons.
TURBO ENGINE: Take care when stopping the engine
after a period of operation at full load. It is advisable to
allow it to idle for 3 or 4 minutes before stopping it. This
allows the overheated compressor to cool down to an
acceptable temperature.
WARNING: any time the tractor is not used, the ignition
key must be removed and put away in a safe place,
not accessible to children and not authorised persons.
Running in
For a correct running in, it is necessary to observe all
precautions called for in the Maintenance section.
Operation
5-5
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
COLD TEMPERATURE OPERATION
Before you start the engine and operate your tractor during
cold ambient temperatures, check the following items:
- BATTERIES: Must have a full charge.
- FUEL: Must be clean and contain no water.
- ENGINE OIL - Must have the correct viscosity for the am-
bient temperature range. DO NOT mix oils different for
type, characteristics and viscosity from the prescribed
ones.
- TRANSMISSION HYDRAULIC FLUID - Must be filled up
with correct oil.
NOTE: For indications about the most suitable oil type
relative to ambient conditions, refer to your Argo Tractors
Dealer.
- COOLING SYSTEM - Must have a minimum of 33%
and a maximum of 50% ethylene glycol solution for
protection. This ratio will vary with different market
requirements. DO NOT mix protective fluids different
for colour and characteristics to preserve their quality.
- TYRES - If there is liquid ballast in the tyres, the tyres
must have protection against freezing temperatures
below 0°C. Ask your dealer for help.
- STOPPING THE ENGINE - Be sure that the engine tem-
perature has decreases before turning the engine off.
- CONDENSATION IN FUEL TANK - To prevent condensa-
tion in the fuel tank and water entering the fuel system,
fill the fuel tank after each operating day.
- FUEL FILTER - During cold weather, make sure you
remove water from the fuel filter each day or damage
will occur to the injection system. Loosen the drain plug
each day before starting the engine. Tighten the drain
plug after the water has drained.
IMPORTANT: When operating at cold ambient tem-
peratures in the open field, never run the engine at low
idle speed for long periods of time. Never run the engine
for long periods of time when the coolant temperature is
below normal.
WARNING: To assist cold weather starting
DO NOT spray ether or gasoline into the air
induction manifold. To do so could cause an
explosion and injury.
During cold ambient temperatures, the engine and
transmission will not heat to or keep the rated operating
temperature at slow engine speeds. Low engine speeds
in cold temperatures can cause damage to the engine
and transmission.
Use the following procedures to warm the engine oil
and transmission oil and to keep the correct operating
temperatures.
1. WARMING THE ENGINE AND TRANSMISSION.
A. To heat the transmission oil, run the engine at 1500
rpm for approximately five minutes.
2. KEEP ENGINE AT CORRECT OPERATING TEMPERA-
TURE.
A. When the engine is operating in cold ambient tem-
peratures without a load, keep the engine warm as
described below.
B. Run the engine at approximately 1500 rpm.
C. Put a cover in front of the grille to control the amount
of air going through the radiator.
3. STOPPING THE ENGINE.
A. Run the engine at slow speed for a short period of
time. This will permit the engine temperature to de-
crease gradually before stopping the engine.
5-6
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Engine block coolant heater (if
equipped)
This heater is installed in the engine block and keeps the
engine coolant worm to make starting the engine easier
in cold weather.
NOTE: If required, use a three-wire extension of proper
capacity.
North American Tractors (120 Volts)
Other markets (220/240 Volts)
Engine oil sump heater (option at
your Dealer's)
Depending on the market, your Dealer could offer a heater
for the engine oil sump. This heater keeps oil warm and
makes start at low temperatures easier. See your Argo
Tractors Dealer for more information.
Fuel heater (option at your Dealer's)
Depending on the market, your Dealer could offer a heater
for the fuel. This heater keeps fuel warm and makes start
at low temperatures easier
See your Argo Tractors Dealer for more information.
Cold weather starting (cold engine)
WARNING: when outdoor temperatures drop to around
or below 0°C (32°F), check the cooling circuit and add
the recommended antifreeze if required.
WARNING: do not inject fluids (ether) to make the
engine easier to start in cold weather. The tractor is
equipped with a cold weather starting system.
Proceed in the following way:
- Perform operations 2, 3, 4 as instructed above in "Start-
ing procedure".
- Open the hand throttle by half and turn the ignition key
clockwise to the middle position "ACCESSORIES".
- In this position the indicator light
on the LCD dis-
play of the instrument cluster will come on. This means
that the flow plug heater is active. Hold the key in this
position until the light indicator goes off.
- When the light goes off, turn the ignition key fully
clockwise to the "START" position to ignite the engine.
Release the key as soon as the engine fires and set the
accelerator lever to the idling speed. Make sure that all
the indicator lights involved in the starting procedure
are off and that the instrument cluster displays normal
values.
NOTE:
if the engine is not ignited within about 15 seconds after
the light has gone off, turn the key once more anticlock-
wise to the OFF position, wait a few seconds, then repeat
the ignition procedure. Please take care of the following:
- Do not keep the key turned to the start position for more
than 10 seconds at a time.
- Wait at least 1 minute between one attempt at starting
and another.
- If the engine cannot be started after 2-3 tries, let the bat-
tery rest for 5 minutes and repeat the procedure.
If the engine does not start regularly and easily, do not
continue as for you may run down the battery. Try and
bleed any air that may have accumulated in the fuel sys-
tem and, if the problem persists, check that:
- The fuel filters are not blocked.
- The efficiency of the battery and of the charger.
- The fuses in the ignition circuit are in a good condition.
Always contact your authorised Argo Tractors dealer in
case of any doubts and system faults.
Operation
5-7
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 1
Park the tractor and engage the parking brake. Shift the
forward/reverse shuttle lever to the central position of
NEUTRAL.
STEP 2
Disengage the PTO if in operation.
STEP 3
Move the throttle lever to the low idle position and let
the engine run for three to five minutes to decrease the
temperature of the engine before turning it off.
IMPORTANT: This step is very important if the engine has
been operating under heavy loads for a while. In this way,
the engine temperature will decrease gradually.
STEP 4
Engage the parking brake of the tractor and any towed
equipment (eg trailer).
STEP 5
Turn the key switch to the OFF position and remove the
key.
IMPORTANT: NEVER turn the ignition key on the OFF
position while the tractor is moving. Serious damage to
the transmission could result.
STEP 6
Turn the master battery disconnector switch anticlockwise
to deactivate it.
WARNING: Whenever the tractor is left unattended,
the ignition key must be removed.
PARKING THE TRACTOR [2.c]
Folding wheel wedges
(if equipped)
Use the wheel wedge in front of or behind a rear wheel,
(depending on the driving direction of the tractor), when
parking the tractor on a slope.
IMPORTANT: To prevent accidents do not park the tractor
with equipment raised.
5-8
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.5-1
Master disconnect switch [2.aa]
(1-Fig. 5-1)
The master disconnect switch disconnects the battery
from the tractor electric system.
The master disconnect switch (1) can only be activated
with the ignition key in the OFF position.
The master disconnect switch is placed in the control
turret, on the dashboard at the left of the driver's seat.
CAUTION: Before any maintenance opera-
tions, always disconnect the battery by means
of the master disconnect switch and remove
the terminals from the battery. [2.l]
If the tractor is not used for a long time, it is
advisable to disconnect the battery.
WARNING: When the engine is running, the battery
cannot be disconnected in any way.
This switch has two positions:
Position A (knob turned clockwise): battery connected,
all systems are powered. The icon
is lit up.
Position B (knob turned anti-clockwise): battery discon-
nected. Only the following items are powered: instru-
ment cluster (clock inner memories), courtesy light in
cab, radio inner memories, transmission diagnostic
sockets, electronic master disconnect switch circuit.
The icon is off.
Disconnect procedure
Put key switch in the OFF position.
Put the switch (1) in the (B) position to disconnect the
battery. The LCD shows the following icon:
Position B: battery disconnected
NOTE: the battery is really disconnected only when the
symbol disappears from LCD.
Restart procedure
1. Put the switch (1) in the (A) position to connect the
battery. The LCD shows the following icon when the key
is on ON:
Position A: battery connected
Error display
Any errors concerning the master disconnect switch
circuit may be shown on the LCD display by the icon
hereunder after turning the ignition key to OFF.
When this icon is displayed, the master disconnect switch
could not be in the required position due to a malfunction.
Contact your Argo Tractors Dealer.
Operation
5-9
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
TRANSMISSION - configurations
The gearbox is available with a number of different options, allowing the user to choose the combination most able to
meet his specific needs.
Number of speeds Speed
HML (High-Medium-Low) and
reverse shuttle
Park Lock available as option
without creeper 36AV + 12RM 40ECO kph- 50* kph
with creeper 48AV + 16RM 40ECO kph - 50*kph
Shuttle command
Park Lock available as option
without creeper
without creeper 12AV + 12RM 40ECO kph - 50*kph
with creeper 16AV + 16RM 40ECO kph - 50* kph
* if available according to tractor configuration
WARNING: The driver is always responsible of the selected gear in any situation, specially when operating on
steep slopes or towing trailers.
5-10
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
USE OF THE GEARBOX
Functions with electro-hydraulic re-
verse shuttle and 3 Powershift ranges
on load
Reverse shuttle under load: allows the driving direction
to be reversed by simply moving FNR lever on the left
hand near the steering wheel. The electronic control unit
guarantees smooth and gradual reversing. For safety
reasons, the direction can only be reversed at speeds
of less than 10 Kph.
The Declutch system disengages the main hydraulic
clutch by means of the button on the actual gearshift
lever. This button allows the driver to shift the mechani-
cal gears without depressing the clutch pedal.
The clutch pedal is only used for very small movements
of the tractor, e.g. for hitching or unhitching an imple-
ment, and for greater safety when sudden stops are
made or obstacles are encountered.
Use of the electro-hydraulic gearbox in the 3 Powershift
operating ranges: HML (High-Medium-Low).
The operator shifts from one range to another on load
without using the clutch pedal and while the tractor is
on the move, by simply depressing the button on the
gearshift lever: press (+) to increase speed, press (-)
to slow down.
1. Gearshift lever.
2. Declutch disengaging button (orange)
3. Electro-hydraulic gearbox Powershift buttons (green)
4. Range selector lever: Creeper (on request), Low,
Normal, High.
Operation
5-11
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Adjustment of electro-hydraulic re-
verse shuttle effectiveness
The electro-hydraulic reverse shuttle effectiveness can be
adjusted by means of potentiometer (1). Turn anticlock-
wise to reduce it, and clockwise to increase it.
NOTE: If the potentiometer is moved but the relative
menu is not displayed on the instrument, the menu will
be displayed as a pop-up. See also “Electro-hydraulic ef-
fectiveness” in Section 4 of this manual.
5-12
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Speed tables
NOTE: The speed below are detected at 2200 RPM rated speed.
NOTE: According to the laws in force in the Country where the tractor will be used, the maximum speed the tractor will
reach is limited according to engine RPM.
WARNING: To drive the tractor on public roads, it is mandatory to abide by the laws in force
in the country where the tractor is being used, including the dictated speed limit and the
correct use of lights, hazard light and slow moving vehicle signs.
When driving on public roads, it is also mandatory to use the tractor with the brake pedals
coupled with the relative latch.
Gears speed (
kph)
OptiOn ranGe Gear
Ri = 800 mm Ri = 775 mm Ri = 750 mm
UnderdriVe
Creeper
1 0.33 0.32 0.31
2 0.51 0.50 0.48
3 0.73 0.70 0.68
4 1.13 1.10 1.06
slOw
1 1.55 1.50 1.46
2 2.44 2.37 2.29
3 3.46 3.35 3.25
4 5.41 5.24 5.07
standard
1 3.71 3.59 3.48
2 5.83 5.65 5.47
3 8.27 8.01 7.76
4 12.92 12.52 12.11
Fast
1 9.15 8.87 8.58
2 14.39 13.94 13.49
3 20.41 19.77 19.13
4 31.87 30.87 29.88
Gears speed (
kph)
OptiOn ranGe Gear
Ri = 800 mm Ri = 775 mm Ri = 750 mm
FOrward
Creeper
1 0.39 0.38 0.37
2 0.62 0.60 0.58
3 0.88 0.85 0.82
4 1.37 1.32 1.28
slOw
1 1.87 1.82 1.76
2 2.95 2.85 2.76
3 4.18 4.05 3.92
4 6.53 6.32 6.12
standard
1 4.48 4.34 4.20
2 7.04 6.82 6.60
3 9.98 9.67 9.36
4 15.59 15.10 14.61
Fast
1 11.04 10.70 10.35
2 17.36 16.82 16.28
3 24.62 23.85 23.08
4 38.45 37.25 36.05
* speeds valid for transmissions with HML setup
Operation
5-13
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Gears speed (
kph)
OptiOn ranGe Gear
Ri = 800 mm Ri = 775 mm Ri = 750 mm
OVerdriVe
Creeper
1 0.48 0.47 0.45
2 0.76 0.73 0.71
3 1.07 1.04 1.00
4 1.67 1.62 1.57
slOw
1 2.29 2.22 2.15
2 3.61 3.49 3.38
3 5.11 4.95 4.79
4 7.99 7.74 7.49
standard
1 5.48 5.31 5.14
2 8.61 8.35 8.08
3 12.22 11.84 11.45
4 19.08 18.48 17.89
Fast
1 13.52 13.10 12.67
2 21.25 20.59 19.92
3 30.14 29.19 28.25
4 47.06 45.59 44.12
Gears speed (
kph)
OptiOn ranGe Gear
Ri = 800 mm Ri = 775 mm Ri = 750 mm
reVerse
Creeper
1 0.40 0.38 0.37
2 0.62 0.60 0.58
3 0.88 0.86 0.83
4 1.38 1.34 1.29
slOw
1 1.89 1.83 1.77
2 2.98 2.88 2.79
3 4.22 4.09 3.96
4 6.59 6.39 6.18
standard
1 4.52 4.38 4.24
2 7.11 6.89 6.66
3 10.08 9.77 9.45
4 15.75 15.25 14.76
Fast
1 11.16 10.81 10.46
2 17.54 16.99 16.44
3 24.87 24.09 23.32
4 38.84 37.63 36.41
* speeds valid for transmissions with HML setup
5-14
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Gearshift clutch
The clutch pedal is used to temporarily stop sending mo-
tion to the gearbox.
Use the clutch pedal when moving the tractor over short
distances. Use the clutch pedal to start the tractor moving
from stationary. Gradually and completely releasing the
clutch pedal for a controlled smooth start.
• Position 1 up = clutch engaged
• Position 2 down = clutch disengaged.
Make your gear changes gradually. When the engine is
under load, do not slip the clutch to accelerate, but change
to a lower gear.
CAUTION: Never keep your foot resting on the
gearshift clutch pedal when driving.
Never coast down slopes with the gear lever
in neutral.
WARNING: DO NOT ride the clutch pedal when the
transmission is under load. Release the clutch pedal
completely within 5 seconds for improved clutch
service life. While the tractor is moving the transmis-
sion must always be in drive. Never allow the tractor
to coast downhill with the transmission in neutral or
with the clutch pedal depressed. To do so could result
in the operator not having full control of the tractor
and may result in personal injury.
Fig. 5-2 - Clutch pedal
Operation
5-15
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Reverse shuttle control lever
The reverse shuttle under load allows the driving direction
to be reversed by simply moving the FNR lever on the
left hand near the steering wheel. The electronic control
unit guarantees smooth and gradual reversing. For safety
reasons, the direction can only be reversed at speeds of
less than 10 kph.
The Declutch system disengages the main hydraulic
clutch by means of the button on the gearshift lever. This
button allows the driver to shift the mechanical gears
without depressing the clutch pedal.
The clutch pedal is only used for very small movements of
the tractor, e.g. to hitch or unhitch an implement, and for
greater safety, when sudden stops are made or obstacles
are encountered.
F - Lever forward: Forward direction
N - Neutral: Always move the lever to this position to
start the engine.
R - Lever back: Reverse direction.
P - Parking: Park Lock engaged *
* only in setups with Park Lock.
NOTE: The effectiveness of the reversing can be adjusted
by means of the specific knob on the left of the operator.
5-16
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Gearshift lever
(1 - Fig.5-3)
The lever has 4 possible positions, corresponding to 4
totally synchronised speeds.
Fig.5-4
When you switch from one gear to the next in the same
range, all you need to do is to operate the lever after you
have disengaged the main clutch without having to stop
the tractor.
Range selector lever
(2 - Fig.5-3)
The lever has four possible positions corresponding to
four ranges: Creeper (on request), Low, Normal, High.
Each range is identified by a symbol on the lever handgrip
(Fig.5-5).
Fig.5-5
Creeper range (on request)
Slow range
Standard range
Fast range
To switch from one range to the next, first disengage the
main clutch, then stop the tractor and move the lever to
the position corresponding to the required range.
Fig.5-3 - Speed control lever.
Operation
5-17
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.5-6a
Power Shuttle gearbox
Operation
The operator shifts from one range to another on load
without using the clutch pedal and while the tractor is on
the move, by simply depressing the Declutch button on
the gearshift lever:
WARNING: When outside temperatures are very cold,
it is advisable to let the engine run ad idling speed
for a few minutes, to warm up the transmission oil
until it reaches a temperature of about 20 °C, ensur-
ing proper operation of the Power Shuttle. During the
first few minutes when driving only change sense of
driving if strictly required, until the correct operation
temperature is reached.
STEP 1
Start the tractor (see the correct start procedure in the
previous pages).
STEP 2
Select the required range (Creeper - if equipped, Slow,
Standard and Fast) according to work type.
STEP 3
Engage the required speed.
STEP 4
Disengage the Park Lock (if equipped) and the hand brake.
STEP 5
With the operator seated in the driver's seat, select a
forward or reverse speed by moving the lever (1) of the
FNR shuttle. The tractor will start moving.
Fig.5-6
5-18
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Starting the tractor with the clutch
pedal
(Fig.5-7)
Use the clutch pedal if you want carry out extremely
precise manoeuvres.
1. Fully depress the clutch pedal (1).
2. Move the reverse shuttle lever FNR (2) forward or back-
ward.
3. Release the pedal gradually to control the starting and
drive of the tractor.
The starting is usually in the direct drive. It is also possible
to start with Hi-Lo engaged by pressing the relative button
on the control knob.
Clutch pedal
Press the clutch pedal to end of travel (or the declutch
button) to select the gear. The range does not change.
NOTE: The use of the clutch pedal is recommended in
the following cases only:
safety, a sudden obstacle, an emergency stop etc.
very precise movements, e.g. hitching of implements.
Changing gear with the declutch but-
ton
(Fig.5-8)
By means of the Declutch system , you can shift gears
simply depressing the orange button (1) on the gearshift
lever knob.
Depress the button (1) to disengage the hydraulic clutch
and keep it depressed while the required gear is engaged.
Release the button.
Changing gear with the clutch pedal
(Fig.5-9)
Depress the clutch pedal (1) and engage the required gear
by the gearshift lever.
The engaged range will not be changed.
To change the range, depress the clutch pedal (1) and
wait for the tractor to stop. Engage the required range
and release the clutch pedal.
Fig.5-7
Fig.5-8
Fig.5-9
Operation
5-19
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.5-9a
Display of HML on the instrument cluster
When the HML function is used, the matching number will be displayed beside the engaged reverse shuttle function.
Symbols N/P/D/R
See following figures
Number values:
1 = L underdrive
2 = D direct
3 = Overdrive
N - Neutral
P - Park Lock engaged (if fitted)
D - Forward speeds
R - Reverse
NOTE: if the instrument cluster shows a series of dashes, contact your Argo Tractors Dealer.
Engagement of Powershift ranges
under load (setup with HML trans-
mission)
The gearbox provides 3 HML ranges (High-Medium-Low)
that can be engaged under load in forward gears.
For each engaged gear, 3 speeds are available: HML
(High-Medium-Low)
Use the Powershift switches (1) and (2) on the gearstick to
select: changes from one range to the next are automatic
and under load.
To shift the range up, press the green top switch (1), sign .
To shift the range down, press the green bottom switch
(2), sign .
The instrument cluster on the central display shows which
gear is selected. For more information on the instrument
cluster, refer to section 4 in this manual.
Reaction to control settings
The monitoring system automatically analyses the condi-
tions in which the tractor is used and chooses reaction
times most suitable to any condition.
NOTE: to ensure that the ranges are shifted in the correct
sequence, without slowing down too much, press the
buttons (1) and (2) considering the response times of the
transmission.
IMPORTANT: To prevent excessive deceleration of the
tractor ALWAYS downshift one range at a time in sequence
3, 2, 1.
5-20
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
USE OF REVERSE SHUTTLE UNDER
LOAD(Fig.5-10)
The tractor's driving direction is automatically reversed by
pushing the orange FNR lever (1) at the left of the steering
wheel forwards or backwards.
The reverse shuttle is automatically controlled through
the following phases.
· DECELERATION
· STOPPING
· CHANGE OF DIRECTION
· ACCELERATION
· The speed at which these phases take place are control-
led by software.
WARNING: Reversing can be obtained at any
speed. However, to protect mechanical parts
from damage and for operator's safety, this
operation should be made ONLY at speeds
UNDER 10 Kph. A buzzer sounds to warn from
reversing at speeds over 10 Kph. To correctly
engage the reverse shuttle, reduce your speed
to under 10 Kph.
USE OF REVERSE SHUTTLE WITH
CLUTCH PEDAL (Fig.5-10)
The clutch pedal is used to obtain small and precise move-
ments for certain work requirements.
Fully depress the clutch pedal (2).
Move the FNR lever (1) forward or backward.
Wait until the driving direction symbol is displayed on
the instrument cluster:
the forward driving direction was
required (arrow up is lit).
the reverse driving direction was
required (arrow down is lit).
Use your foot on the pedal to engage the clutch gradu-
ally and let the tractor move forward or backward as
required.
Fig.5-10
Operation
5-21
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Stopping and parking the tractor [2.c]
(Fig.5-11)
When leaving the tractor while the engine is running,
ALWAYS MAKE SURE that the FNR shuttle lever (1) is in
the central position of NEUTRAL.
1. Bring the tractor to a complete stop. Put the FNR shut-
tle lever in the NEUTRAL position at centre and apply
the Park Brake.
2. Engage the Park Lock (if equipped).
NOTE: Before leaving the driver's seat, make sure that:
1. the transmission is shifted to NEUTRAL
2. the implement is completely lowered to the ground
3. the ignition key has been removed
Park Lock (if equipped).
(Fig.5-12)
The Park Lock unit will mechanically lock the transmission.
Therefore the Park Lock should be engaged every time
you want to stop the tractor with the engine stopped,
particularly when the tractor is on a slope.
The engagement of the Park Lock unit is obtained by
shifting the FNR lever (1).
To disengage the Park Lock
1 - Engage the parking brake (2).
2 - Engage the Park Lock: from the middle position of the
FNR lever (1), shift it in a sequence down and forward,
as shown in the decal in the figure at the side.
NOTE: the Park Lock will be correctly engaged as soon as
the letter “P” on the instrument cluster is steadily lit up. The
letter “P” will be shown on the display for about 3 seconds.
The letter “P” will be flashing while the Park Lock is being
engaged. The letter “P” will flash until the engagement
is successfully carried out. If the engagement of the Park
Lock unit should fail, bring the FNR lever in central position
again on “N” and repeat this step.
WARNING: before leaving the tractor stationary, always
check that the Park Lock is really engaged.
To disengage the Park Lock
1 - Lift the FNR lever (1) slightly and shift it again to its
central position on Neutral N.
2 - Disengage the parking brake (2)
Disengage the Park Lock before starting the tractor.
To move the tractor, the driving direction must be selected
again by moving the shuttle lever.
WARNING: To prevent the Park Lock system from be-
ing damaged, always engage the parking brake first,
then the Park Lock. Always disengage the Park-Lock
first, then the parking brake.
Fig.5-11
Fig.5-12
5-22
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Manually releasing the Park Lock
(only in an emergency)
1
Only in an emergency and with the engine off, e.g. the
tractor must be towed, the Park Lock may be released
manually by means of the screw (1) on the right side, at
the bottom of the gearbox housing.
WARNING: when the screw (1) is released
manually, the tractor could move unexpect-
edly!! Before this operation make sure the rear
wheels are placed on safety chocks. Press and
hold the brake pedals and engage the parking
brake. This operation must be carried out in
uttermost safety. Do not operate the release
screw from underneath the tractor. Before
manually releasing the Park Lock, make sure
there are no persons either in front of or be-
hind the tractor.
Operation
5-23
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Power take-off
The PTO is engaged by means of the switch (1 Fig.5-13 and
Fig.5-14) installaed on the right side of the driver's seat..
An indicator light on the instrument panel comes on when
the PTO is engaged.
Use: engagement/disengagement
Operate the ON/OFF button to engage/disengage the PTO
(1 Fig.5-13 and Fig.5-14) with the engine at idling rate.
Depressed button switch: disengaged PTO
Released button switch: engaged PTO
To engage the Park-Lock, release the switch (1) by pulling
up the locking collar (2) (Fig.5-14).
Always shift the switch in the OFF disengaged position
(Fig.5-13) after using the front PTO and/or before starting
the engine.
Engage the PTO at a low engine rate to protect the clutch
and driveline.
Select the operating mode and the required speed before
engaging the PTO.
IMPORTANT: For high-inertia implements (e.g. stone
crusher, mill etc.) the universal joint for cardan shaft
is to be used.
WARNING: When using the PTO with the trac-
tor at a standstill, always make sure that the
gearshift lever is in neutral position and that
the parking brake is engaged.
WARNING: High-inertia implements do not
become stationary immediately when PTO is
disengaged. Allow sufficient time for imple-
ment to “run down” to a halt before cleaning
or adjusting.
IMPORTANT: When using implements that cause shock
loads, always use a safety coupler between the implement
and the PTO drive shaft. Before using the implement, check
the correct operation both of the safety coupler and of the
implement.
IMPORTANT: When using implements with quickly
moving parts (such as mowers, reapers, snowploughs)
ALWAYS fit an overrun device on the implement drive
shaft, as a protection against possible PTO faults.
Fig. 5-13
Fully depress the ON/OFF pedal (1). The PTO indicator
on the instrument panel goes off .
Fig. 5-14
Engagement
Pull up the locking collar (2) of the ON/OFF button, then
pull the button (1) to the ON position. Now the button will
remain on the ON position, while the PTO indicator light
on the instrument panel lights up
5-24
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Power take-off engagement [3.d]
(Fig. 5-15)
1. Select the required speed with the lever (1);
2. Select the PTO type (normal-eco) with the lever (2)
(only valid for 4-speed setup);
3. Operate the PTO engagement button (1 - Fig.5-14).
4. Engage/disengage the PTO with the engaging control
(1 - Fig.5-14) during work.
PTO type selector lever (3)
Interpretation of symbols on the decal beside the control
lever.
A - Independent PTO (3) engaged.
PTO driven directly from the engine.
IMPORTANT: Always keep the lever in position A
during work. Shift the lever to position B only if the
synchronized PTO has to be used. Return the lever to
Pos. A after using the synchronised PTO.
B - Synchronised PTO proportional to ground speed
engaged. (On request)
PTO driven by the gearbox
NOTE: the PTO operation selector lever (3) has no neutral
position. The mechanical neutral position is obtained by
bringing the speed range selector lever (1) in the middle
position "O".
IMPORTANT: The PTO mode selector lever, independent
or synchronised (optional), controls a mechanical coupler
that ensures the maximum safety in both operation modes.
The passage from a mode to another, however, is only
possible when the teeth are aligned. The procedure is
described under the headings "Direct power take-off" and
"Synchronised power take-off" hereunder.
Independent PTO engagement
It is driven directly by the engine, and its operation is fully
independent of the tractor's ground speed.
PTO version
2 speeds 4 speeds
PTO type Engine rate PTO type Engine rate
540 1944 540 1944
540E 1377 540E 1580
1000 1917 1000 1952
1000E 1586
The direct PTO must be engaged with the engine at idling
speed and without hesitation. Do not heed any noises due
to tooth meshing.
Always keep the lever (3) in position A for independent
PTO engaged.
The synchro PTO must only be engaged when actually
required (see the section Synchronised Poser Take-Off).
Engine - Power take-off RPM meter
NOTE: For information about operation of the PTO, refer
to the description of the instrument cluster in the chapter
4 of this manual.
Hydraulic PTO control levers
[3.d]
Fig. 5-15
1 - PTO speed range selector lever
2 - PTO type selector lever (setup with 4-speed PTO)
- Normal
- Eco
3 - PTO operation selector lever
A - Independent power take-off
B - Synchronised power take-off
Operation
5-25
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.5-16
Synchronised Power take-off
(If equipped) (Fig. 5-16)
Use of the rear PTO synchronised with the gearbox
merely serves to operate self-propelled trailers and, more
generally, all farm implements that need to be synchro-
nised with the tractor's ground speed and whose power
input must not exceed 40-45% of the engine's maximum
power. Engage the synchronised PTO with the machine
at a standstill: disengage the main clutch by depressing
the disengaging pedal and engage the lever (1) in the
position "B".
Synchronised PTO engagement
The synchronised PTO must be engaged with the engine
at low idle, without forcing and with the tractor at stand-
still: drive the tractor a little forward for an easier engage-
ment. In some cases it may be required to engage the PTO
clutch for a few seconds to allow for teeth aligning and
make engagement easier. When the synchronised PTO
is not used, the lever is to be shifted to the independent
position (lever 1, position A ).
Synchronised PTO rpm
Whatever speed gear is engaged, the PTO splined shaft
spins, for each turn of the rear wheels:
IMPORTANT: If you are forced to reverse when using
the synchronised PTO, remember that the driveline
will be spinning in the opposite direction. Thus, with
certain implements, it is necessary to disengage the
PTO when reversing in order to avoid serious damage
(lever 1, position O).
with 2-speed PTO
9,800 rpm with Power take-off at 540 rpm
13,835 rpm with Power take-off at 540E rpm
18,407 rpm with Power take-off at 1000 rpm
with 4-speed PTO
9,800 rpm with Power take-off at 540 rpm
12,057 rpm with Power take-off at 540E rpm
18,078 rpm with Power take-off at 1000 rpm
22,242 rpm with Power take-off at 1000E rpm
5-26
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
External PTO controls
(Fig. 5-17)
WARNING: when inspecting the area of the three-point
hitch and of the trailer brake hitch, e.g. to view how the
connected implements are operating, it is mandatory
to keep a safety distance from these organs. No opera-
tion must be carried out that can be dangerous for
you or any other bystander. Maximum priority should
be given to the safety of all persons near the tractor.
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: Danger of entanglement. Keep well
away from spinning shafts. Take care NOT to
remain caught up by the PTO driveline. Keep
all the guards mounted at any time on the
transmission shafts of the tractor or imple-
ments.
WARNING: High-inertia implements do not
become stationary immediately when PTO is
disengaged. Allow sufficient time for imple-
ment to “run down” to a halt before cleaning
or adjusting.
The external control are located both on the right and
left fenders.
The external controls may be used to start the PTO only
with stationary tractor.
The button (2) STOP stops the PTO regardless of the fact
that the PTO had been started by the cab control or by
the button (1) START.
The START button (1) starts the PTO in the following
modes:
- if the stationary function was enabled by pressing the
button (3) in the cab, the PTO shaft will start in “spin
mode for 5”, then it will start permanently.
It is not required that the PTO is activated by means
of the mushroom button in the cab.
“Spin” function
- the “spin” function lets the PTO shaft rotate at a
reduced speed for maximum 5” in order to make
meshing with the rear implements easier. Each time
the button (1) is pressed, a slow turning of PTO shaft
is obtained.
NOTE: The PTO can be stopped either with the external
button (2) STOP or in the cab by moving the relative control
to the OFF position (see "Rear PTO engagement").
DANGER: External controls must be operated
at a safe distance, standing on one side out-
side the tractor and out of the overall width
of fenders or tyres. It is expressly forbidden
to operate the controls from the rear of the
tractor or standing on the inner side of wheels.
DANGER: Danger for bystanders! Before us-
ing the outer switches of the power take-off
(PTO), make sure that there are no persons
or objects in the reach of the implement or
of the three-point linkage.
Failure to comply with these directions could
cause injuries or death.
DANGER: Never reach with arms, legs or any
part of your body in the area near the three-
point linkage or the implement when operat-
ing the outer switch. Never let another person
operate the other control group. Walk around
the tractor or the implement to go from a
control group the other. NEVER pass between
implement and tractor.
NEVER service the implement while the PTO
IS RUNNING, but shift the PTO into neutral,
turn off the engine and remove the key.
Fig.5-17
2
1
Operation
5-27
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.5-17a
Rear Auto PTO (if equipped)
By the Auto PTO feature the PTO can be automatically
started or turned off according to hitch position. The
positions of the hitch that activate (ON) or deactivate
(OFF) the PTO are already set at the factory. The operator
may change these positions according to the following
operations.
Auto PTO activation
NOTE: if an attempt is made to activate the PTO without
starting the engine first, the lamps in the PTO control but-
ton will flash.
NOTE: before enabling the Auto PTO function, it is re-
quired to save the ON and OFF positions that were chosen
accord to your work requirements. (see the following
description)
To activate the Auto PTO feature, proceed in the follow-
ing way:
1. turn on the engine
2. press the button (1)
3. activate the PTO by pressing the button (2) (PTO
mushroom button).
NOTE: the activation of the Auto PTO function is also
signalled by the AUTO indication on the display of the
instrument cluster.
CAUTION: when the auto PTO is activated
with the tractor at standstill, the PTO will be
engaged if the hitch is lowered up to the PTO
activation threshold as was set on the instru-
ment cluster! If the system detects no tractor's
movement
in 30 seconds, the PTO will be disengaged
and all lamps in the PTO controls will flash.
The auto PTO button must be turned off and
on again.
This limitation will not apply after the sys-
tem detects a movement of the tractor and
therefore the auto PTO was engaged. Until the
main PTO switch (1) is on, the PTO remains
engaged even if the tractor is stopped and the
hitch lowered beyond the activation threshold
of PTO engagement.
At this point the Auto PTO is activated and the PTO shaft
can:
a. Stop turning because the hitch is over the OFF position.
b. Go on turning because the hitch is under the ON posi-
tion.
Auto PTO deactivation
To deactivate the Auto PTO feature, proceed
in the following way:
1. move the button (2) (PTO mushroom button) to the
OFF position
2. press the button (2)
NOTE: the deactivation of the Auto PTO function is
signalled by the AUTO indication disappearing from the
display of the instrument cluster.
NOTE: When Auto PTO is being deactivated, the PTO will
go on running if it was already running (hitch beyond the
ON position).
NOTE: If the Auto PTO is being deactivated while the
PTO is not running (hitch beyond the OFF position), to start
manually the PTO it is necessary first to move the control
(2) to off, then pull and lock it in the ON position.
NOTE: For safety purposes, when at least one of the two
external controls of the rear hitch is pressed, the “Auto PTO”
function, if active, is automatically deactivated.
NOTE: If the Stationary function is activated, the Auto
PTO function will be automatically disabled by the system
Memorisation of the ON and OFF positions
To store the two hitch positions that either turn on or off
the PTO, see the procedure described in the section 4 of
this manual. The ON and OFF positions can only be stored
by means of the instrument cluster.
NOTE: The PTO OFF set-point should be set at the point
where the implement has just cleared the ground, when
raised by the hitch.
NOTE: The PTO ON set-point should be set at a position
which ensures that the PTO is ON and fully engaged before
the implement enters the ground.
NOTE: if the engagement/disengagement thresholds of
the Auto PTO are set at percentages greater than 90%, the
PTO could be activated/deactivated when the “antidump-
ing” function of the hitch is active. It is therefore advised
to choose these percentages accurately, according to your
work requirements. In transport mode, with antidumping
active, it is advised not to set thresholds greater than 90%.
5-28
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Selecting PTO speed
(Fig.5-18)
PTO speed can be selected by means of lever (1) in the
cab on the left of the driver's seat.
0- Power take-off in neutral
A- 540 rpm power take-off
B- 1000 rpm power take-off
WARNING: When the power take-off is not used, shift
the speed selector lever to neutral (lever 1, position O)
WARNING: Changes from one speed to the next
must be made after disengaging the PTO clutch: switch
(3) for hydraulic power take-off “OFF”.
CAUTION: Only use the 540 RPM (or 540ECO
rpm) PTO to control implements designed to
be operated at this speed rate. Use 1000 rpm
for implements designed to be operated at
1000 rpm. Never exceed a speed rate of the
PTO shaft of 630 rpm for implements designed
to be operated at 540 rpm
Economy Power take-off
(setup with 4-speed PTO)
The 540 or 1000 RPM rate can be obtained (for imple-
ments that do not require maximum engine power, e.g.:
fertiliser spreaders, mist blowers, etc.) by selecting
the 540ECO or 1000ECO RPM speed and lowering the
engine rate. The PTO economy mode has a number of
advantages, including a reduction in fuel consumption,
noise and vibrations.
PTO speed (normal - eco) can be selected by means of
lever (2) in the cab on the left of the driver's seat.
Shift the lever (2) to select the PTO mode:
• Down for Normal mode
• Up for Economy mode
IMPORTANT: Always disengage the PTO (if running)
before changing speed.
CAUTION: 540 ECO power take-off is obtained
at 1377 RPM. Never exceed a 1890 RPM engine
rated speed (corresponding to 630 RPM of the
PTO shaft) or the PTO shaft and the connected
implement could be seriously damaged or
persons seriously injured.
Fig.5-18
Operation
5-29
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Interchangeable PTO shaft.
Fig.5-19 - Replacing an interchangeable PTO shaft
1 - PTO shaft.
2 - Spring ring.
Different PTO output shafts are available:
• 1 3/8" (34.9 mm) diameter shaft with 21 splines for 1000
RPM PTO.
• 1 3/8" (34.9 mm) diameter shaft with 6 splines for 540
RPM PTO.
NOTE: before replacing the PTO output shaft, the speed
selection lever (1 Fig. 5-18) must be shifted to the neutral
position. Never force
the engagement of a new PTO shaft. The substitution must
be smooth and gradual.
To change the output shaft (1), first remove the snap ring
(2) using suitable pliers.
Remove the shaft. Thoroughly grease the new shaft and
install it. Make sure that it has been completely seated.
Fit the spring ring back in place and make sure that it is po-
sitioned correctly: replace it if it is damaged or deformed.
After the shaft has been assembled, select the correct
speed with the relative lever in the cab.
WARNING: Never use the 540 RPM shaft if the power
required by the implement is greater than 56 kW (75
HP). The damage caused to the shaft and to the con-
nected implement could be such as to injury bystand-
ers. Implements that require more than 56 kW (75 HP)
must only be attached to 1000 RPM PTO drivelines.
For North American markets
1000RPM PTO with 540RPM shaft, 6 splines.
1000 RPM PTO only allowed with 1000 RPM shaft, 21
splines.
PTO overspeed
If the maximum allowed speed rate of the PTO is ex-
ceeded, on the display an exclamation mark comes on
(Fig.5-19) and the present PTO speed indication flashes.
Reduce the engine rated speed to reduce the PTO speed.
NOTE: For further information, refer to the chapter "Instru-
ments" in Section 4 of this manual.
Overspeed
Rear PTO
Flash
Fig.5-19
PTO overspeed for NAO market
In the machines in NAO version, when the maximum
allowed engine RPM is exceeded, the instrument cluster
will show an exclamation point as soon as the values
below are reached:
540 and 540ECO, 630 rpm
1000 and 1000ECO, 1170 rpm
IMPORTANT: When using the PTO, to avoid damage to
the driveline, implement or injury to bystanders make sure
the implement input shaft rpm never exceeds the recom-
mended rpm for the implement. When using the 540 or
540E rpm PTO driveline, do not attach implements that
require more than 56 kW (75 hp) to operate. Implements
that require more than 56 kW (75 hp) should only be at-
tached to the 1000 or 1000E rpm PTO driveline.
5-30
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Precautions when using the PTO
PTO shafts and implements operated by means of
the PTO can be extremely dangerous. It is therefore
advisable to comply with the following important
instructions:
WARNING: if the guards were removed from
the PTO shaft, it is mandatory to install a
suitable cover and guard to protect bystand-
ers and connected implements.
Do not use the PTO without installing suitable
guards to protect the safety of operators.
DANGER: before connecting, adjusting or
working on implements operated by the
PTO, disengage the PTO, stop the engine
and remove the key from the dashboard.
Put it away in a safe place, not accessible to
children and not authorised persons. Engage
the parking brake. Do not work under raised
implements.
DANGER: Check to make sure that all imple-
ments operated by the PTO are fitted with the
correct protections, are in a good condition
and comply with the provisions established
by law.
DANGER: Before driving an implement
through the PTO, ALWAYS make sure that all
bystanders are well away from the tractor.
WARNING: Fix the drawbar in the central
position when using implements that are
driven by the PTO of the tractor.
WARNING: When using the PTO drive with
a stationary tractor, ALWAYS make sure that
the gears are in neutral and that the parking
brake is applied.
WARNING: Before starting up any PTO-driven
implement hitched to the three-point linkage,
lift the implement to its full height using posi-
tion control and check that at least 1/4th of the
total length of the telescopic section of the drive
shaft is engaged. Adjust the height limiter on the
electronic hitch control panel (if fitted) to limit
the maximum height of the stroke.
Note to the use in paddy fields
Use in paddy fields: When using the tractor in water-logged
soil or in paddy fields where the water level could rise
above the height of the PTO shaft, ask you Argo Tractors
Dealer for instructions on all necessary waterproofing and
sealing measures. If such measures are not taken, the
guarantee could be rendered invalid.
Fig.5-21 - PTO shaft guards
WARNING: 540 ECO power take-off is obtained
at 1377 RPM. Never exceed a 1890 RPM engine
rated speed (corresponding to 630 RPM of the
PTO shaft) or the PTO shaft and the connected
implement could be seriously damaged.
WARNING: Attach the implement to the drawbar
of the tractor before connecting the implement trans-
mission
to the power take-off. When connecting the implement
driveline to the tractor, check the driveline for correct
length, allowed slant and free telescopic movement.
The correct length is important to prevent the drive-
line from hitting bottom or from separating in any
tractor or implement operating position. An excessive
slant could damage also the power take-off guards.
Operation
5-31
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
The front power take-off has a 6 spline output shaft
which rotates at 1000 rpm (fixed gear). The engagement
is electro-hydraulic and is operated by the button (1). The
PTO shaft turns in one direction only, i.e. clockwise.
IMPORTANT: When using implements that cause shock
loads, always use a safety coupler between the implement
and the PTO drive shaft.
Before using the implement, check the correct operation
both of the safety coupler and of the implement.
IMPORTANT: When using implements with quickly
moving parts (such as mowers, reapers, snowploughs)
ALWAYS fit an overrun device on the implement drive
shaft, as a protection against possible PTO faults.
IMPORTANT: Ensure that the implement PTO shaft is
not too long or the PTO is not damaged when the front
mounted implement must be lifted fully up.
WARNING: Before connecting or using imple-
ments and trailers, ALWAYS read thoroughly
and follow the instructions of the operator's
manual provided by the manufacturer.
Front power take-off engagement
WARNING: if the guards were removed from
the PTO shaft, it is mandatory to install a suit-
able cover and guard to protect bystanders and
connected implements.
Do not use the PTO without installing suitable
guards to protect the safety of operators.
NOTE: Sit down in your seat: the PTO CANNOT be started
if you are not seated.
To engage the PTO, release the switch (1) by pushing the
orange switch lock (2) down and at the same time press
the switch down (ON).
The lamps in the control (1) and the front PTO icon on
the instrument cluster will light up (see chapter "Power
take-off menu" in section 4 of this manual for further
information on the indications).
The PTO shaft starts turning.
FRONT POWER TAKEOFF (if equipped)
IMPORTANT:PTO will not engage if engine is started
with the switch in the engage position. Move switch to
disengage and then engage.
IMPORTANT: Never try to release dead-locked imple-
ments by repeated clutch engagement and disengage-
ment. The front power take-off clutch will slip and become
damaged.
Proceed as follows to disengage the PTO:
STEP 1
Reduce the engine speed.
STEP 2
Push the bottom of the switch (1) down to the off position.
The indicator lamp on the instrument cluster will go out
when the front power take-off is disengaged.
STEP 3
When the engine is switched off the front power take-off
is automatically disengaged. The indicator lamp in the
switch will go out to indicate the front PTO is disengaged.
STEP 4
Always install the PTO shaft guard when the PTO is not
being used.
IMPORTANT:High-inertia implements do not become
stationary immediately when PTO is disengaged. Wait for
the implement to slow down and stop completely.
IMPORTANT: If the operator leaves his/her seat for longer
than 5 seconds, the controller will deactivate the PTO as
safety measure. In this case, to start the PTO again, first
push down the control (1) to the OFF position, then to the
ON position again.
NOTE: If the control (1) is in the ON position at engine
ignition, the lamp in the control (1) will start flashing to
5-32
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
indicate that the control (1) must be pushed down to the
OFF position.
In this condition, the engine will start normally, but the PTO
shaft will not operate.
Push down the control (1) to the OFF position: the indica-
tor lamp will go out.
To disengage the front PTO, push down the control (1)
to the OFF position.
Operation
5-33
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Hitch System
The front hitch is operated via the tractors remote hydrau-
lic valve circuit and is double acting (the linkage is hitched
and power lowered).
The hitch is designed for Category II implements.
The top link has a ball end.
Lift capacity:
tractor in ride attitude ......................................2300 Kg
NOTE: the above mentioned lifting capacity refers to a
max. tractor ground speed of 40 kph and 2000 kg at the
rear hitch (610 mm, OECD position).
IMPORTANT: do not exceed the maximum permitted
front axle operating weight when using the front hitch, see
the Technical specifications section for more information.
Comply with tyre load capacities and any possible legal
limitations.
The front hitch links are controlled by the joystick (1) on
the right side of the cab.
The joystick (1) is matched with two auxiliary control
valves. If shifted forward, it controls the first valve, and
laterally the second one.
FRONT HITCH (if equipped)
Multi Valve
A
B
P1
The valve is mounted in the front of the tractor, in lateral
position.
The multi valve has two operation modes.
NOTE: to move the levers, raise it slightly and select the
required position.
Valve Positions:
1
st
mode - Single acting
5-34
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
2
nd
mode - Double acting
3
rd
mode - Disengaged (Transport) - For system safety
during transport or travel on road.
IMPORTANT: the front hitch is operated using one of the
tractors remote valves. In order to use the rear couplers of
this valve the front hitch MUST be disengaged as shown.
Lower links
The lower links have three positions. When changing the
position of the lower links, support the links when remov-
ing the retaining pins.
Both lift links must be set in the same position.
Rigid Position
For operation with no vertical movement, install the retain-
ing pins in the rear hole.
Float position
For operation with vertical float, independently of each
other, install the retaining pins in the front hole.
Operation
5-35
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Link
When not being used, store the Top Link as shown above.
When operating on the public highway without equipment
attached, always store the top link correctly.
Front hydraulic quick couplers for
auxiliary control valves (if equipped)
NOTE: when driving on road, if the tractor has a front hitch,
raise the hitch links to the highest position (fully backwards)
and hold them in this position.
For specific information on specific prescriptions for your
country, ask your Argo Tractors Dealer.
Ballast the front hitch (if provided)
On request, a cement front ballast kit is available, to be
mounted on the front hitch.
For specific information on the front ballast kit, ask your
Argo Tractors Dealer.
CAUTION: use suitable lifting equipment when
handling the ballast.
CAUTION: when servicing work is required,
lower the front hitch to the ground and un-
hitch the implement. NEVER carry out servic-
ing work standing under the front hitch.
5-36
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Brakes
The front and rear brakes are the mechanically control-
led type with oil-cooled discs. Brake action is hydraulic,
controlled by pumps operated by the pedals.
CAUTION: all service operations on the trac-
tor’s braking system MUST BE carried out by
the specialized personnel of your authorized
Argo Tractors Dealer.
Main brakes
(Fig.5-22)
The main brakes are operated by means of two pedals
(1) one for each rear wheel. Braking with only one pedal
assists steering in tight manoeuvres. By locking the rear
wheel on the inside of a curve, you can virtually turn the
tractor around on its own axis. For simultaneous braking
during normal use and for on-road use, simply lock the
two pedals together with the special brake coupling (2).
This latter rule becomes very stringent if the tractor is also
provided with front brakes, as a device on the hydraulic
control circuit lets the front brakes be activated only if
both pedals are operated at the same time.
CAUTION: always keep the brake pedals
coupled for on-road driving to ensure simul-
taneous braking on all four wheels. Never
use the brakes independently when driving
on public roads.
CAUTION: If you ever notice the brakes
becoming less effective, identify the cause
immediately and repair. Always contact your
Argo Tractors Dealer. When working on slopes,
avoid using the brakes as much as possible
and select a lower gear in order to use engine
braking.
NOTE: If the brakes are operated with latched pedals, or
by means of the parking brake lever, the electronic man-
agement system will engage the four-wheel drive while
braking. At the end of the braking, the four-wheel drive
will disengage automatically.
Front brakes
Front brakes are operated only when both brake pedals
are used together. When driving on roads, both brake
pedals must be coupled by a latch.
Front brakes are not used when only one pedal of the
independent brakes is using during field work or turning
in tight places.
NOTE: always keep the brake pedals coupled for on-road
driving to ensure simultaneous braking on all four wheels.
Never use the brakes independently when driving on
public roads.
When working on slopes, avoid using the front brakes as
much as possible and select a lower gear in order to use
engine braking.
Fig.5-22 -(1) Brake pedals.
(2) Brake coupling.
Operation
5-37
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Parking brake
(Fig.5-23)
The parking brake can be engaged or disengaged by
means of the lever (1).
Parking brake engagement
- Fully depress the brake pedals.
- Pull the lever completely to operate the parking brake (1).
- Release the brake pedals and make sure that the tractor
is stopped.
- If this is not the case, pull the parking brake lever with
higher force, if necessary depressing the pedal brakes at
the same time.
When the parking brake is engaged, the warning lamp on
the instrument cluster will illuminate when the key switch
is turned to ON.
NOTE:The indicator light
in the instrument panel
lights up when the parking brake is engaged, independ-
ently of the force used for the engagement.
Before starting the tractor, release the parking brake.
Parking brake disengagement
Fully depress the brake pedals.
Pull the lever lightly (1), push down the button (2), let the
lever down and release the button.
IMPORTANT: Driving the tractor with the parking brake
partially engaged will cause damage to internal transmis-
sion components. Make sure brake is fully off.
NOTE: If the brakes are operated with latched pedals, or
by means of the parking brake lever, the electronic man-
agement system will engage the four-wheel drive while
braking. At the end of the braking, the four-wheel drive
will disengage automatically.
Fig.5-23
5-38
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Hydraulic trailer brakes (type for Italy
“Cuna”) -
(if equipped) [3.j]
Fig.5-24
NOTE: according to the laws in force in the country, the
configuration of trailer braking setup could be different.
Always abide by the laws in force in the country where the
tractor should be operated. Please refer to your authorised
Argo Tractors Dealer for more information.
NOTE: For driving on public roads, always conform to the
laws in force in your country.
The tractor braking system can be equipped with a hydrau-
lic valve (1) with tap which, if connected to the hydraulic
circuit of the trailer brakes, allows the trailer itself to be
braked along with the tractor.
Couple and uncouple the lines of the trailer hydraulic
brake from and to the hydraulic tap (2) on the rear of the
tractor. These operations must be carried out with the
utmost care. Your safety and that of others is concerned.
To operate the hydraulic trailer brakes, connect the hose
of the trailer brakes to the coupling behind the tractor and
couple the brake pedals with the latch.
When driving on public roads, the trailer brakes will thus
operate together to the tractor’s brake.
WARNING: when inspecting the area of the three-point
hitch and of the trailer brake hitch, e.g. to view how the
connected implements are operating, it is mandatory
to keep a safety distance from these organs. No opera-
tion must be carried out that can be dangerous for
you or any other bystander. Maximum priority should
be given to the safety of all persons near the tractor.
WARNING: Always use the specific PPE for the opera-
tion concerned.
To connect the hydraulic system of the trailer:
Slide the sleeve back on the trailer brake coupler and
push it into the coupler (2).
Release the sleeve.
To disconnect the hydraulic system of the trailer:
Slide the sleeve back on the trailer brake coupler, then
pull it toward yourself.
CAUTION: When the engine is on, it is abso-
lutely essential to engage the parking brake
to connect the tube that links the tube of the
trailer braking system to the quick coupling
(2).
There is a indicator light (3) on the instrument cluster
appositely for the operating conditions of the oil tap for
the trailer brake.
Indicator light off: the oil tap is not connected to the
trailer; oil pressure in the system is normal with con-
nected trailer.
Indicator light on: the engine is stopped and the igni-
tion key turned to the first position; the parking brake is
engaged and the engine is running.
CAUTION: If the indicator should come on in
different conditions, it would mean there is a
fault and it is therefore required that the sys-
tem is checked by your Argo Tractors Dealer.
NOTE: when the trailer brake coupler is not used, always
protect it with its dust guard.
Fig.5-24 - Oil tap for hydraulic trailer brakes.
1 - Valve unit
2 - Oil tap union
3 - Indicator light on the dashboard
Operation
5-39
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Hydraulically controlled trailer brake
(approved for CEE markets)
[3.j]
(if equipped)
Fig.5-25
NOTE: according to the laws in force in the country, the
configuration of trailer braking setup could be different.
Always abide by the laws in force in the country where the
tractor should be operated. Please refer to your authorised
Argo Tractors Dealer for more information.
NOTE: For driving on public roads, always conform to the
laws in force in your country.
The tractor braking system can be equipped with a hydrau-
lic valve (1) with tap which, if connected to the hydraulic
circuit of the trailer brakes, allows the trailer itself to be
braked along with the tractor.
Couple and uncouple the lines of the trailer hydraulic
brake from and to the hydraulic tap (2) on the rear of the
tractor. These operations must be carried out with the
utmost care. Your safety and that of others is concerned.
To operate the hydraulic trailer brakes, connect the hose
of the trailer brakes to the coupling behind the tractor and
couple the brake pedals with the latch.
When driving on public roads, the trailer brakes will thus
operate together to the tractor’s brake.
The trailer brake lines can be coupled and uncoupled while
the engine is running.
WARNING: when inspecting the area of the three-point
hitch and of the trailer brake hitch, e.g. to view how the
connected implements are operating, it is mandatory
to keep a safety distance from these organs. No opera-
tion must be carried out that can be dangerous for
you or any other bystander. Maximum priority should
be given to the safety of all persons near the tractor.
WARNING: Always use the specific PPE for the opera-
tion concerned.
To connect the hydraulic system of the trailer:
Slide the sleeve back on the trailer brake coupler and
push it into the coupler (2).
Release the sleeve.
To disconnect the hydraulic system of the trailer:
Slide the sleeve back on the trailer brake coupler, then
pull it toward yourself.
NOTE: when the trailer brake coupler is not used, always
protect it with its dust guard.
Fig.5-25 - Oil tap for hydraulic trailer brakes.
1 - Valve block with hydraulic tap
2 - Hydraulic tap
5-40
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Hydraulic trailer brake (according to
REGULATION (EU) n. 167/2013)
NOTE: according to the laws in force in the country of
destination, the trailer braking setup could be different.
Always abide by the laws in force in the country where the
tractor should be operated. Please refer to your authorised
Argo Tractors Dealer for more information.
NOTE: For driving on public roads, always conform to the
laws in force in your country.
In the rear part of the tractor, a “trailer brake” valve (1)
according to Regulation (EU) n. 167/2013 can be fitted.
To operate the hydraulic trailer brakes, connect the hoses
of the trailer brakes to both couplings (2) and (3) in the
valve behind the tractor.
Couple the brake pedals in the cab with the latch.
The trailer brakes will thus operate together with the
tractor's brakes.
NOTE: to connect the tubes that link the trailer braking
system to the quick couplings (2) and (3) with the engine
running, it is necessary to engage the parking brake.
WARNING: when inspecting the area of the three-point
hitch and of the trailer brake hitch, e.g. to view how the
connected implements are operating, it is mandatory
to keep a safety distance from these organs. No opera-
tion must be carried out that can be dangerous for
you or any other bystander. Maximum priority should
be given to the safety of all persons near the tractor.
WARNING: Always use the specific DPIs for the opera-
tion to be carried out.
If the trailer only complies with EEC specifications, the
linking tube of the trailer braking system can be connected
to the quick coupling (2).
There is a specific indicator light (4) on the instrument
cluster appositely for the operating conditions of the oil
tap for the trailer brake.
Indicator light off: the oil tap is not connected to the
trailer; oil pressure in the system is normal with con-
nected trailer.
Indicator light on: the engine is stopped and the igni-
tion key turned to the first position; the parking brake is
engaged and the engine is running.
CAUTION: If the indicator light should come
on in other conditions than those mentioned
above, this means that there is a fault and
that the breaking system must immediately
be checked for obvious safety reasons by your
Argo Tractors Dealer.
NOTE: when the trailer brake coupler is not used, always
protect it with its dust guard.
Operation
5-41
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Trailer air brakes [3.j]
(Fig. 5-25B)
1. Yellow coupling - brake service line (dual line system)
2. Red coupling - brake emergency line (dual line system)
3. Black coupling - feed and return (single line system)
- (optional)
WARNING: Connect the yellow service cou-
pling first.
WARNING: Take great care while splitting
the trailer from the couplings. The couplings
could be expelled with great force. Always use
specific personal safety devices.
WARNING: Make sure the system is at working
pressure before operating the brakes with a
trailer(s) fitted. Failure to do this can result
in injury or death.
WARNING: DO NOT park an unattended trac-
tor/trailer(s) combination using air pressure
to apply the brakes (Dual Line Pneumatic
Braking System). The mechanical park brake
on both the tractor and trailer(s) MUST be
applied.
NOTE: the coupling (1 - Fig. 5-25C) in the right side of the
reservoir can be used to inflate a tyre: if so then a regulator
and air pressure gauge MUST be fitted.
NOTE: The couplers on the tractor and trailer must be kept
perfectly clean to prevent dirt and dust from entering the
brake system.
Also refer to "Shock absorber function in the transport
position" as described in this section of the operator's
manual.
The air reservoirs store air under pressure to operate the
trailer brakes.
Maximum Permitted Pressure 8 bar
Working pressure
Dual Line System 8 bar
Single Line System ...........................5.0 bar (72.5 lb in2)
The indicator light
that comes on in the instru-
ment cluster and a warning sound (with the engine run-
ning) signal a problem in the air brake system of the trailer.
Refer immediately to your authorised Argo Tractors Dealer.
2 reservoirs (one each side)
Reservoir capacity (each) ..............................7.5 litres
Drain reservoirs ...........................................Periodical
The reservoirs are provided with a manual drain (2) of
condense water.
Fig. 5-25B
Fig. 5-25C
1
2
5-42
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
The reservoir must be bled at each programmed mainte-
nance interval of the tractor. To this purpose use the tab
(2) on the bottom of the reservoir.
Before any service operation on the air braking system,
air in the system MUST be discharged by means of the
discharge valves in the air reservoirs.
If the tyres are replaced, always take care that a suitable
space is left to the tubes and reservoirs of the air braking
system to avoid any malfunctions.
Fig. 5-25D
2
Operation
5-43
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Control position for parking brake
The button (1) to control the stationary position of the
tractor+trailer assembly is located in the console, on the
left side, near the storage space.
By the button (1) the operator can temporarily disable
the braking system only of the trailer, to make sure that
the braking system of the tractor is able to keep the
tractor+trailer assembly stationary.
To press the button (1), operate the safety lock (2) in this
button.
NOTE: this test must be carried out under the following
conditions:
- engine on
- main brakes not activated
- parking brake activated
WARNING: before carrying out this test and operat-
ing the button (1), make sure the are no persons and
hindrances in the surrounding area. The main priority
is always your own safety and that of other persons!
If the tractor+trailer assembly should move during this
test, the braking system of the tractor only is not able to
effectively brake the whole assembly. This could be due
to soil conditions (e.g. ice, gravel, etc.) or to a malfunction
of the braking system.
Before leaving the tractor, always make sure it is parked in
conditions of utmost safety, in such a way that it cannot
harm or damage any persons or objects nearby.
For any doubts, always refer to your authorized Argo
Tractors Dealer.
5-44
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Stationary
NOTE: To activate the Stationary function, the tractor must
be stationary and the operator correctly seated.
The Stationary feature lets the operator leave his/her seat
without disabling the following features:
Front PTO (if equipped) and rear
Front hitch (if equipped)
Rear remote valves (Avc valves)
When the Stationary feature is activated, the operator
present sensor, contacting the seat, is disabled.
When the Stationary feature is activated, the outer buttons
on the rear fenders are enabled.
For the Stationary function:
1. Operator correctly seated in his/her seat
2. Stop the driving direction of the tractor
3. Hold the button (1) on the right side depressed for
about 2 seconds
The engagement of the Stationary function is signalled
to the operator by:
a buzzer
the display for about 5 seconds of the following pop-up:
When the Stationary feature is enabled, the PTO area in
the display is refreshed as follows:
When the Stationary feature is active, the cab can be left
without the features being switched off.
To disable this control, just seat yourself in the driver's seat
and press the button (1). The switch light will go out. The
icon
on the display is replaced by the tractor's icon.
NOTE: The Stationary feature is automatically disabled if
the tractor is driven at a higher speed than the speed set
in the factory for safety.
NOTE: The Stationary function is deactivated by turning
off the engine.
Operation
5-45
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Use of the differential lock
The tractor is equipped with a differential lock that latches
both rear wheels together.
The differential lock prevents wheels from slipping when
they are spinning at different speeds.
When the traction of one rear wheel decreases, or any
time more traction is needed, the differential lock should
be engaged.
Diff lock also helps keeping the tractor horizontal position
during the first field run, and also controlling implement
position.
The differential lock can be engaged manually or can be
set to engage automatically (if equipped).
CAUTION: Do not drive on roads, or at high
speed anywhere, with the differential lock
engaged. Difficult steering will occur, and can
result in an accident.
In field operation, use the differential lock for
traction improvement, but release for turning
at row ends.
NOTE: for better operation, the differential should be
locked before wheels are slipping too much. Do not
engage the lock while one of the wheels is actually slip-
ping. Always depress the clutch pedal before locking the
differential.
The differential must remain locked as long as the drive
wheels regain a uniform grip. Disengagement is achieved
by simply pressing one or both brake pedals.
CAUTION: disengage the diff lock when you
need to turn the tractor. Disengage the lock
when driving on a road.
Diff lock engagement/disengagement in
manual mode
To engage the diff lock by hand, proceed as follows:
1. Turn on the engine.
2. The brake pedals must be released
3.
Press the switch (1) (short pressure) to the position (A).
The switch springs back to the central position (0).
The lamp (2) in the instrument cluster and the one in the
button itself will come on when the differential is engaged.
To disengage the differential lock, one of the fol-
lowing operations must be carried out:
• Press the switch (1) (short pressure) to the position (A).
The switch springs back to the central position (0).
• Key in OFF position (engine off).
• Fully depress one or both the brake pedals.
In all these cases, the lamp on the instrument cluster
will go off.
Fig. 5-26
5-46
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Diff lock engagement/disengagement in
automatic mode (if equipped)
To engage the differential automatically, proceed
as follows:
1. Turn on the engine.
2. Move the switch (1) to the position (B), thus enabling
the AUTO function. The switch will remain in the posi-
tion (B). The diff lock is not yet engaged.
The lamp (2) in the instrument cluster will light up as soon
as the differential is actually engaged by the electronic
management system. After this function is enabled, the
differential is automatically engaged by the system if the
following operation conditions of the tractor, relating to a
few values preset at the factory to ensure optimal opera-
tion in each moment, are met in the same time:
• Position of the hitch
• Tractor speed
• Released brake pedals (system not braked)
If even one of these conditions is not met, the differential
will not be engaged, but the AUTOMATIC mode will remain
engaged. The differential will be engaged as soon as all
the required conditions are met.
Differential lock engagement is signalled by the lamp (2)
on the instrument cluster.
To disengage the AUTO mode of the diff lock,
move the switch (1) to the central position of Neutral (0).
If the diff lock was already engaged, therefore the lamp
(2) in the instrument cluster was on, it will go out when
the switch is shifted to the Neutral position.
CAUTION: Steering is difficult when the dif-
ferential lock is engaged. This could cause an
accident.
During field operation, the diff lock may be
used to improve traction, but it will be re-
quired to disengage it any time you need to
steer to go back or to manoeuvre. Do not drive
on roads, or at high speed anywhere, with the
differential lock engaged.
Failure to comply with these directions could
cause injuries or death.
Fig. 5-26a
Operation
5-47
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig. 5-27A
Operating the four-wheel drive
The four-wheel drive (4WD) can be engaged while the
tractor is moving or stopped. The 4WD provides additional
traction and pulling power when engaged.
The switch (1) on the right-hand side, is used to engage/
disengage the four-wheel drive.
The 4WD engagement is indicated on the instrument
cluster by the lighting of a yellow indicator:
Both manoeuvres can be carried out when the tractor is on
the move, when driving on the straight and never on load.
NOTE: Front drive should only be engaged when strictly
necessary. If maximum is not required, specially on hard-
bottomed roads, it is advisable to disengage the front drive
to avoid unnecessary tyre wear.
4WD engagement/disengagement in
manual mode
To engage the 4WD by hand, proceed as follows:
1. Turn on the engine.
2. Move the switch (1) to the position (A)
The lamp (2) in the instrument cluster and the one in the
switch itself will come on when 4WD is engaged.
To disengage the 4WD, move the switch (1) to the
central position of Neutral (0).
The indicators in the instrument panel and in the switch
will go off.
IMPORTANT: DO NOT leave the 4WD engaged when
travelling faster than 16 Kph (10 mph) (except when in the
field), as this can cause damage to the 4WD and other
transmission components as well as premature tyre wear.
NOTE: the switch (1) is differentiated according whether
the AUTO mode for 4WD engagement is present.
The switch that is mounted in the setups with Auto 4WD
includes a specific decal with “Auto” on it.
5-48
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
4WD engagement/disengagement in au-
tomatic 4WD mode (if equipped)
To engage the 4WD automatically, proceed as fol-
lows:
1. Turn on the engine.
2. Move the switch (1) to the position (B), thus enabling
the AUTO function.
After this function is enabled, the 4WD is automatically
engaged by the system if the following operation condi-
tions of the tractor, relating to a few values preset at the
factory to ensure optimal operation in each moment, are
met in the same time:
• Position of the hitch
• Tractor speed
• Steering angle
If even one of these conditions is not met, the 4WD will
not be engaged, but the AUTOMATIC mode will remain
engaged. The 4WD will be engaged as soon as all the
required conditions are met.
4WD engagement is signalled by the lamp (2) on the
instrument cluster.
To disengage the AUTO mode in 4WD, move the
switch (1) to the central position of Neutral (0).
If the 4WD was already engaged, therefore the lamp (2)
in the instrument cluster was on, it will go out when the
switch is shifted to the Neutral position.
Automatic 4WD engagement at braking
The 4WD is engaged by the electronic management
system each time that:
• both brake pedals are operated together
• and/or the park brake is engaged
CAUTION: Danger! Danger of losing control.
The machines provided with the 4WD func-
tion, either engaged or not, must not exceed
50 Kph (31 mph) if allowed.
An excessive speed when towing a trailer or
driving downhill with a depressed clutch or
the transmission in neutral can cause loss
of control, personal injuries to the driver or
bystanders or mechanical problems.
Failure to comply with these directions could
cause injuries or death.
NOTE: front tyres must not be inflated to a higher pres-
sure than recommended. In theory, the pressure in the
rear tyres should be al least 0.4 bar (6 lbf/in 2) higher than
in the front tyres, provided the values recommended by
the tyre maker are not exceeded.
CAUTION: Risk of overturning! The 4WD func-
tion greatly increases the tractor draft. Pay
great care when driving on slopes.
The 4WD machines maintain the draft on
steeper slopes that the 2WD machines, thus
increasing the danger of overturning.
Failure to comply with these directions could
cause injuries or death.
NOTE: to avoid an excessive wear of tyres, it is advisable
to disengage 4WD whenever driving on roads or hard sur-
faces in general. Always mount front and rear tyres in the
prescribed combinations to ensure an acceptable wear.
Operation
5-49
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Engine set point (if equipped)
By the Engine Set Point function it is possible to set and
keep a constant engine RPM rate, regardless of load
variations.
When this function is active, also the RPM rate of the
independent rear PTO remains constant.
NOTE: This function lets not maintain a constant ground
speed (e.g. as with cruise control), but keeps a constant
engine RPM rate depending on the work load, while the
ground speed will depend on the range/gear ratio then
engaged.
The activation of the Engine Set Point function is con-
firmed by the display of the icon in the instrument
cluster:
To memorise the required RPM:
Use the throttle pedal and/or the hand throttle to reach
the required RPM rate of the engine.
Press the button (1) and hold for at least 3 seconds
(long pressure) to memorise the actual RPM rate. The
successful memorisation is confirmed by:
the display of a pop-up that reports the memorised
engine RPM rate, the icon
that signals the
memorisation, and the icon
in the place or the
gear in the “Transmission” area of the display (see
chapter "Constant engine RPM rate" in section 4 of
this manual for further details on the screen masks
and indications).
NOTE: as soon as the engine rpm rate is saved as de-
scribed above, the function is already active.
Activation/deactivation of Engine Set Point
After memorising the engine RPM rate, the Engine Set
Point function can be activated or deactivated by a brief
pressure on the button (1).
If the engine is not stopped, the sequence of deactiva-
tion/activation of the Engine Set Point function does not
deletes the RPM rate previously memorised.
If the function is active - lamp lit in the button (1) - to
memorise a new engine RPM rate proceed as follows:
Deactivate the function.
Bring the engine RPM rate to the new required level.
Press the button (1) and hold for at least 3 seconds
(long pressure) to memorise the new RPM rate.
NOTE: When the tractor engine is stopped (Key Off),
the value memorised in the Engine Set Point function is
deleted. The next time the tractor engine is started, the
required RPM rate must be memorised over again.
NOTE: When the Engine Set Point function is active, the
engine RPM rate can be increased using the throttle pedal
or the manual throttle.
If the function is kept active, the RPM rate cannot decrease
lower than the set value using the throttle pedal or the
manual throttle; to decrease, the Engine Set Point must
be deactivated with a brief pressure on the button (1).
Engine set point button (1):
Longer pressure: memorisation of the set RPM rate
short pressure: function activated/deactivated
5-50
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Use of the front suspension
A suspended front axle ensures a greater driving comfort
as it improves shock absorbers operation both on road
and on field terrain, and increases vehicle stability due to
better contact with road surface.
NOTE: Always turn the front axle suspension mode OFF
when operating the tractor on slopes.
With the button (1-Fig.5-27B) it is possible to select three
stiffness levels of the suspension and activate/deactivate
the locked suspension mode. The indicator light in the but-
ton (1-Fig.5 -27B) coming on indicates the selected mode:
Soft - light on
Mid - light on
Hard - light on
Locked - flashing light
A short pressure on the button will change through the
modes Soft-Mid-Hard.
A long pressure on the button will activate/deactivate the
locked suspension mode.
All information about the front axle suspension is dis-
played on the instrument cluster. (see the section 4 “In-
struments and Programming” in this manual).
It is also possible to access the instrument cluster menu
in the Manual mode.
Fig. 5-27B
Operation
5-51
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
HOW TO TRANSPORT THE TRACTOR
Towing the tractor [2.j]
WARNING: Make sure that the weight of a
trailed vehicle that is not equipped with
brakes NEVER EXCEEDS the weight of the trac-
tor that is towing the vehicle or any national
weight limitations which may apply. Stopping
distance increases with increasing speed as
the weight of the towed load increases, espe-
cially on slopes.
NOTE: Affix the slow moving vehicle card (SMV-Slow
Moving Vehicle) if required by your country.
NOTE: Use the revolving beacon and, the hazard lights,
if required by law in your Country.
NOTE: Strictly comply with the laws in force in the country
where the tractor is used.
NOTE: For the tow hooks fixed on the machine, see the
Towing Attachments chapter in this manual.
WARNING: Use only the appropriate tow hooks to
tow the tractor.
Due the complexity of the transmission and pressure
lubrication requirements, special rules apply when the
tractor engine is running or not running. Use the following
procedures as applicable.
A. Engine NOT running
If you need to tow or push the tractor for a brief distance,
remember that the power steering system will allow you
to drive and steer it for a short way with the engine off,
but with a greater draft.
WARNING: Slow down and stop the tractor with the
brake pedals latched together Tow or push the tractor
at moderate speed.
B. Engine running (at a idle speed of 1200 rpm)
The tractor may be towed for max. 10 Km at a max. speed
of 10 Kph.
If the tractor must be towed (Fig.5-28):
1. Reverse shuttle lever (1) in central neutral position
2. Gear shift lever (2) in neutral position
3. Range shift lever (3) in neutral position
4. Disengage the Park Lock (if equipped).
5. Release the parking brake (4).
6. Make sure that the electro-hydraulic PTO engagement
switch (5) is disengaged.
7. Make sure that the PTO engagement lever is disen-
gaged (6).
8. Make sure four wheel-drive (4WD) and the Differential
Lock are NOT engaged.
9. Use a rigid tow bar and safety chains to pull the trac-
tor. Attach the tow bar and safety chains to the front
support.
Check brake operation before starting to tow.
NOTE: for further information about how to tow the tractor
in complete safety, always ask your Argo Tractors Dealer.
Fig.5-28
5-52
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Limp home operation
Towing the tractor is not recommended, but if it should be
absolutely necessary, the procedure is different depending
on the fact that the engine is on or off, and that the low
pressure hydraulic circuit is operating or not operating.
Use the following procedures as applicable, at the fol-
lowing conditions:
CAUTION: To tow the tractor, connect firmly one of
the tow hooks and the towing vehicle by means of a
stiff drawbar. Different towing means are allowed, as
long as they are approved for this purpose and have
a size suitable for the weight of the vehicle plus even-
tual mounted implement. Never use ropes or other
elastic elements.
In the middle of the linking means a red flag is to be
hanged so that it is visible to other drivers on the road.
The towing vehicle must keep the revolving beacon op-
erating. The towed tractor must keep the flashing hazard
lights operating (turn indicators flashing contemporarily).
Make sure that the brakes of the machine are operating.
It is recommended that the machine is escorted by two
cars, one in front of it and one at the rear, at a distance
of 75÷150 m from the machine. These cars must carry
danger signals according to the rules and laws of the
country.
WARNING: Use only the appropriate tow hooks to tow
the tractor.
Towing the tractor with the engine off or low pres-
sure hydraulic circuit not operating.
WARNING: If the machine is towed with the
engine off (or with the low pressure hydraulic
circuit not operating), the brakes and steering
will not be power assisted if this depends on
the low pressure hydraulic circuit. The park-
ing brake must be disengaged.
The machine can be towed for max. 10 Km at a max.
speed of 8 Kph.
WARNING: Make sure that the weight of a
trailed vehicle that is not equipped with
brakes NEVER EXCEEDS the weight of the trac-
tor that is towing the vehicle or any national
weight limitations which may apply. Stopping
distance increases with increasing speed as the
weight of the towed load increases, especially
on slopes.
Towing the tractor with the engine on or low pres-
sure hydraulic circuit operating
Check that all controls are in neutral.
Check that the parking brake is disengaged.
Do not exceed a speed of 20 Kph when towing the tractor
and check that the rear differential lock is disengaged.
Run the engine at 1200 RPM at least, if possible.
In the unlikely event of a major failure rendering the tractor
immobile, your dealer has provisions to provide a means
of moving the tractor. If the tractor is damaged and cannot
be moved, refer to you Argo Tractors Dealer.
Limp home mode is only a temporary device which will
allow you to get the tractor home or back to the Argo Trac-
tors Dealer and is NOT to be used as a means of continuing
tractor operation.
Operation
5-53
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Transport by truck or rail [2.y]
WARNING: The tractor can slip and fall from a trailer or ramp and cause serious injury or death. Make
sure the trailer or ramp is not slippery.
Remove all oil, grease, mud, ice etc. When moving the tractor take extra care, be vigilant, make sure the
tractor is in the centre of the trailer and does not overhang.
STEP 4
If equipped with front tie down brackets (as shown by the
figure) tie the front of the tractor down putting the safety
chains through the loop of each bracket rather than using
the front axle.
IMPORTANT:DO NOT use the tie down brackets (if
equipped) to lift or pull the tractor. The tie down brackets
are only to be used to secure the tractor to the trailer.
STEP 5
Install blocks/wedges to prevent the wheels rolling.
WARNING: DO NOT raise the tractor using the tow
hook.
When you transport the tractor by truck or rail, specific
rules or laws will be applicable depending in which country
you are in. Make sure you are familiar with these rules or
laws before transporting the tractor. All safety measures
and rules for this operation must be complied with.
STEP 1
Make sure the transmission is in the NEUTRAL position,
as per correct procedure quoted on previous page.
STEP 2
Engage the parking BRAKE and the Park Lock (if equipped).
STEP 3
Secure the tractor to the trailer. Tie the tractor down
around the front and rear axles with safety chains having
a rating greater than the gross load of the tractor (refer
to tractor identification plate).
Before the transport, always make sure the tractor is fas-
tened to the trailer in a correct and efficient way.
IMPORTANT: DO NOT tie chains around the front ballast
weight support bracket to hold the tractor down.
NOTE: The trailer must be provided with the warning
signs and lights required by the local laws in force.
5-54
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot tractor
and engine parts. [2.n]
The tractor is equipped with a front tow hook, only for
emergency towing on road.
The tow hook can be inserted into the front ballast or the
front support.
The tractor may be towed on the field or on other terrain
only in an emergency, after suitably anchoring the tractor
for complete safety.
NOTE: the tractor may only be towed by the front hook
on road and for short tracts.
WARNING: do not tow the tractor on road as a trans-
port means.
WARNING: DO NOT raise the tractor using the tow
hook.
WARNING: do not tow the tractor at a speed exceeding
8 Kph (5 mph). Steering is slower and effort on the
steering wheel higher when the engine is not running.
WARNING: Do not use cables or ropes to tow the
tractor. Danger for bystanders! In case of breakage
or slippage, the cable or rope might backlash and hit
the operator with such a force as to cause injuries.
Tow equipment - Front pull hook [2.j]
Fig.5-31 - Front tow hook.
Operation
5-55
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Left/right offset position
WARNING: Always use the specific PPE for the opera-
tion concerned.
3
3
Remove the split pins (3) depending on the required side
(right or left) to which the bar should be moved and move
the bar accordingly. Install the retaining pin.
When using the offset positions raise the lower links to
full height. With the lower links in this position the hitch
will not interfere with the side movement of the swing-
ing drawbar.
The drawbar must not be offset in the fully forward posi-
tion.
The drawbar must be locked in the centre position when
doing any of the following operations:
A. Towing implements at transport speed (15 Kph (10
mph) or more) in the field.
B. Towing an implement or trailer on the highway at all
speeds.
C. Operating a drawbar pulled, PTO driven implement.
D. Moving the tractor in reverse with an implement at-
tached.
Fore/aft position
WARNING: Always use the specific PPE for the opera-
tion concerned.
1
2
Remove the fixing bolt (1) of the pin and draw out the
pin (2).
Slide the drawbar backward or forward to the required
drawbar position as indicated on the implement or in the
implement operator's manual.
When the correct position of the drawbar has been set,
fit the pin (2) and the retainer bolt (1) back again.
DRAWBAR
WARNING: Rear upset can result if pulling from wrong location on tractor. The three point hitch must
only be used with the implements designed for its use, not as a drawbar.
WARNING: Try to balance the load primarily on the implement wheels as in loading a machine with harvest
crops. Avoid overloading the drawbar. Add front end weights for improved stability. Engage the clutch
smoothly, avoid jerking and use the brakes cautiously to avoid jack- knifing.
In certain markets pulling trailers on public roads is not permitted unless a special approval note has
been supplied with the machine documents. Always make sure you have the relevant approval before
pulling trailers on public roads.
The drawbar can be set in various positions, see following pages for greater details on preparation and operation.
WARNING: Use exclusively the provided hooks to tow the machine.
WARNING: Refer to licensing documents issued by the Ministry of Transport to know data relating to max. verti-
cal and horizontal loads on tow hooks and max. trailer weights.
5-56
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Connecting an implement
WARNING: when inspecting the area of the three-point
hitch and of the trailer brake hitch, e.g. to view how the
connected implements are operating, it is mandatory
to keep a safety distance from these organs. No opera-
tion must be carried out that can be dangerous for
you or any other bystander. Maximum priority should
be given to the safety of all persons near the tractor.
WARNING: Always use the specific PPE for the opera-
tion concerned.
STEP 1
Mechanical hitch
Set hitch controls in position control mode.
1. Position control lever
2. Draft control lever
Lift links control lever unit .
Move the selector lever (2) fully back on the unit to the
position control mode.
Move the control lever (1) to the max. height position
to raise the hitch to the max. height.
WARNING: For tractors equipped with Pick
Up Hitch (PUH). For the correct operation of
the PUH hitch/unhitch system on machines
provided with a mechanical hitch, the hitch/
unhitch operations must be carried out with
the hitch in position control.
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot tractor
and engine parts. [2.n]
PICK UP HITCH
(if fitted, on request on certain markets)
NOTE: The following images are purely indicative and not comprehensive of all possible cases.
Electronic hitch
Turn the upper limit control knob (4) to the maximum
height setting (clockwise rotation).
- Raise the three-point linkage by turning the switch (1)
to Pos. C.
- Set the selector (6) to position control mode (Pos. 1) by
turning it in an anti-clockwise direction.
- Set the down-speed selector (2) to position (0) (lock) to
prevent any accidental lowering movement should the
controls be accidentally operated.
WARNING: if the control switch (1) is moved
to the links down position (A) and the work
height control knob (8) is moved, the arms can
be lowered. Set the lowering speed control (2)
to Pos. 0 (padlock) to prevent any accidental
movement.
Pick-Up Hitch - Automatic hitching
Purely indicative image, not comprehensive of all pos-
sible cases.
Operation
5-57
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 2
Raise the hitch to maximum height.
STEP 3
Release the locking latches.
Use the lever (1) in the rear of the cab on the right side
to release the stops.
CAUTION: Tow hook with automatic Pick Up
Hitch (PUH) - PUH hitching and unhitching
must necessarily be performed with the hitch
in position control to ensure the correct op-
eration of the coupling/uncoupling system.
STEP 4
Lower the automatic hitch.
STEP 5
The hook must be aligned under the implement towing
eye.
STEP 6
Raise the auto hitch until the hook is engaged in the im-
plement towing eye.
STEP 7
Raise the auto hitch to maximum height.
IMPORTANT: The gap between the tip of the hook and
the keeper plate must be less than about 8 mm. A larger
gap indicates the hook is not fully retracted.
STEP 8
Lower the hitch unto the locking device.
Engage the parking brake and check that the hook is
correctly locked. Before riding on roads, make sure that
the trailer and electric braking equipment is correctly con-
nected and operating.
5-58
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
IMPORTANT: the hitch must always be supported on
the locking latches.
If the locking latches do not lock, adjust the lift rods. If after
adjustment the locking latches still do not lock, see your
Argo Tractors Dealer.
IMPORTANT: To prevent accidents, make sure the hook
is fully retracted and the frame is correctly latched.
NOTE: after automatically hitching an implement, before
moving make sure again that the hooks are correctly tight-
ened, to avoid a sudden unhitching of the trailer during
travel on road.
Hook/clevis change over
(if fitted, on request on certain markets)
STEP 1
Lower the auto hitch half way.
IMPORTANT: after lowering the auto hitch, stop the
engine, and engage the parking brake before leaving
the tractor.
STEP 2
1
Extend the hook or fork bar to reach the centring pins (1).
Remove the hook/clevis locating pins (1).
Operation
5-59
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 3
Remove the hook or clevis. Install the hook or clevis in
the storage bracket located at the front of the tractor on
the left hand side.
Install the hook or clevis. Install the lock pins.
Retract the assembly and raise auto hitch until locked,
then lower onto latches.
NOTE: Make sure local regulations are followed when
towing implements or trailers. Specific speed limits are
prescribed when using drawbars or tie down brackets
on public roads. Moreover, the road circulation codes of
some countries prescribe that suitable brakes are installed
on vehicles that are towed on public roads.
Before circulation on public roads, be sure your tractor
complies with ALL the legal requirements.
5-60
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
HEIGHT ADJUSTABLE TRAILER HITCHES (if equipped)
Adjustable trailer hitches can be adjusted up or down to match the implement hitch height and for PTO operation. These
hitches are equipped with either an automatic or a manual clevis.
Hitches with automatic clevis
This hitch connects automatically when the implement towing eye contacts the release mechanism inside the hitch coupling.
Hitches with automatic clevis
The operator must manually inset the hitch pin to secure the implement to the tractor.
NOTE: Make sure local regulations are followed when towing implements/trailers. Only use trailers with a towing eye
that matches the flat-head pin diameter that does not have excessive clearance. For further information, see Implement/
trailer drawbar dimensions chapter in this section of the manual.
IMPORTANT:Maximum vertical load capacity depends upon the capacity of the rear tyres fitted.
IMPORTANT: Keep the hitch clean and protect all moving parts of the hitch from corrosion (including the inner slide rails),
by cleaning and greasing at regular intervals. All moving parts should be checked for free movement and correct operation.
Operation
5-61
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Automatic Clevis
(if equipped).
WARNING: Always use the specific PPE for the opera-
tion concerned.
This hitch connects automatically when the implement
towing eye contacts the release mechanism (3) inside
the hitch coupling. Before connecting an implement make
sure the operating lever (2) is in the vertical position, as
shown.
NOTE: Before adjusting the drawbar height, be sure that
the partition (4) that protects the PTO is raised.
To raise the partition, unscrew both knobs (5).
To adjust the height, support the weight of the hitch cou-
pling assembly with one hand and with the other hand
pull the quick release lever (1) in anticlockwise direction.
Move the hitch coupling assembly to the required position.
Push the quick release lever (1) in clockwise direction to
lock the coupling assembly in position.
WARNING: DO NOT touch the inside of the
hitch coupling assembly when the release
mechanism is under tension, (operating le-
ver in the vertical position). Serious injury
can result.
IMPORTANT: Check that the locking pins have fully en-
gaged in the holes in the side support (locking pins level
with the outer surface).
Before connecting an implement make sure the operating
lever (2) is in the vertical position.
The connecting pin engages automatically as the imple-
ment towing eye contacts the release mechanism inside
the hitch coupling or it can be engaged manually by strik-
ing the operating lever (2) downwards (away from the
tractor). Before moving the tractor make sure:
1. The operating lever (2) is in the horizontal position.
2. The connecting pin (3) is fully in the hole of the pin
guidance bushing (fully engaged). Do not tow or move
the tractor if the pin is not fully engaged.
NOTE: When the automatic hitch is not being used,
make sure the hitch connecting pin (3) is down and the
operating lever (2) is horizontal.
5-62
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Manual fork (if equipped).
WARNING: Always use the specific PPE for the opera-
tion concerned.
NOTE: Before adjusting the drawbar height, be sure that
the partition (1) that protects the PTO is raised.
To raise the partition, unscrew both knobs (2).
Always use the specific PPE for the operation concerned.
To adjust the height, lift the release knob (3) and while
supporting the weight of the coupling assembly with the
other hand, raise or lower the assembly to the required
position.
Lower the release knob (3) to lock again the hitch coupler
assembly into position.
IMPORTANT: Check that the retaining pins have fully
engaged in the holes in the side support (retaining pins
level with the outer surface).
To connect an implement/trailer, remove the split pin (4 - if
present) and the hitch pin (5).
Enter the implement/trailer towing eye into the clevis,
install the hitch pin to secure the implement/trailer. Fit
the split pin back, if present.
Operation
5-63
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Piton- Fixe (if equipped)
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot tractor
and engine parts. [2.n]
To connect an implement/trailer, remove the split pin (1)
and lift the retaining hook (2).
Install the implement towing eye over the towing pin (3)
and lower the retaining hook (2).
Fit the split pin (1) back.
IMPORTANT: Maximum vertical load capacity depends
upon the capacity of the rear tyres fitted.
5-64
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Drawbar positions
NOTE: The images shown here are purely indicative, not comprehensive of all possible cases.
Towbar, type B1
Towbar, type GTB30 013 - GTB30032
Drawbar positions a b
Distance from the rear axle to the hitch pin centre Barra di traino (tipo B1)
845 mm 902 mm
1250 Kg 750 Kg
Maximum vertical load
Barra di traino (tipo GTB 30 013)
775 mm 897 mm
1600 Kg 1600 Kg
Towbar (type GTB 30 032)
775 mm 897 mm
1825 Kg 1825 Kg
Operation
5-65
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Max towable weights [3.m]
Drawbar
(kg)
Stiff drawbar
(kg)
Central axle
(kg)
Trailers without brakes 3500 3500 3500
Trailers with inertia brakes 8000 8000 8000
Trailers with hydraulic brakes 32000 32000 32000
Trailers with air braking 32000 32000 32800
Type (according
to appendix 1 to
Appendix XXXIV
to the Delegate
Regulation (EU)
2015/208 of the
Commission):
Make
: Type name
given by the
manufacturer:
EU authorization
mark or number:
Max.
allowed
vertical
load on
hitch point
(kg)
Towable
mass*
(t)
Hook position
Hook ref. in next tables
Height from
ground
Rear axle
overhang**
max
(mm)
min
(mm)
max
(mm)
min
(mm)
Piton fix CBM
GTP008
e11*2015/208*2016/1788
ND*00310*00
2500 25 586 536 586 L
GTP008D
e1*2015/208*2018/829
ND*00587*00
Non-Swivel CBM X314 SL
e3*2015/208*2018/829
NS*00013*03
1500 6 1017 494 654 K
Non-Swivel CBM Y314 SL
e3*2015/208*2018/829
NS*00017*04
2000 14 1012 489 684 J
Non-Swivel CBM Z314 SL
e3*2015/208*2018/829
NS*00012*03
2500 20 1007 484 699 H
Drawbar CBM X003 BT/XX
e3*2015/208*2018/829
NS*00006*01
-- 6 543 493 897 G
Ball ø80 CBM
GTS80001
e11*2015/208*2016/1788
ND*00268*00
3000
25 891 458 636
F
GTS80001D
e1*2015/208*2018/829
ND*00554*00
4000 F1
Manual CBM
GTF30 015
e11*2015/208*2016/1788
ND*00267*01
2000 25 995 472 662 E
GTF30 015D
e1*2015/208*2018/829
ND*00544*00
Automatic CBM
GTF30 014
e11*2015/208*2016/1788
ND*00212*01
2000 25 995 472 666 D
GTF30 014D
e1*2015/208*2018/829
ND*00542*00
Drawbar CBM
GTB30 013
e11*2015/208*2016/1788
NS*00315*01
1600 17
473 423
897
(a)
775
(b)
C
GTB30 032
e1*2015/208*2018/829
ND*00547*00
1825 13 C1
Tow Hook
DROMONE
B1
e1*2015/208*2018/829
ND*00270*06
3000 25 495 445 598 B
Drawbar
DROMONE
B1
e1*2015/208*2018/829
ND*00269*05
750 (a)
1250 (b)
17 482 432
902
(a)
845
(b)
A
Non-Swivel CBM
X244 - 389SL
e11*2015/208*2016/1788
ND*00411*00
1500 12 1014 491 654 M
X244 - 389SLD
e1*2015/208*2018/829
ND*00538*00
Non-Swivel CBM
Y244 - 389SL
e11*2015/208*2016/1788
ND*00409*00
2000 32 1012 489 684 N
Y244 - 389SLD
e1*2015/208*2018/829
ND*00543*00
Non-Swivel CBM
Z244 - 389SL
e11*2015/208*2016/1788
ND*00325*00
3000 32 1007 484 699 O
Z244 - 389SLD
e1*2015/208*2018/829
ND*00545*00
* the values showN iN this table may vary accordiNg to the type oF the hitched trailer aNd to speciFic applicable provisioNs iN Force
iN the couNtry where the tractor is used.
** the values showN here are merely iNdicative.
5-66
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Maximum vertical load depending on tyres and hook type [3.k]
Set-up with wide axle (rigid and SuSpended) (Speed 40 kph)
Axle
N.*
Tyre size, includ-
ing the load
capacity index
and the speed
class symbol
Rolling
Radius
(mm)
Load class
for each
tyre [kg]
Maxi-
mum
allowed
weight
per axle
[kg]
Maxi-
mum
al-
lowed
weight
of the
vehicle
[kg]
Max. allowed vertical load on hitch
point [kg]
Tread
width
[mm]
K,M
E, D
J, N
L,H
A B C
F1
B,F,
O
Minimum
Maximum
a-b a-b a-b
1
320/85-R24 112A8 550 1500 3000
7100
1640 2154
2
340/85 R38 113A8 750 2060 4120
1500 2000 2500 1250 1600 1825 4000 3000
1320 2020
1
340/85 R34 125A8 575 1650 3300
8100
1627 2167
2
420/85 R34 139A8 750 2430 4860
1500 2000 2500 1250 1600 1825 4000 3000
1320 2020
1
380/70-R24 125A8 575 1650 3300
8300
1627 2167
2
480/70-R34 143A8 750 2725 5000
1500 2000 2500 1250 1600 1825 4000 3000
1320 2020
1
380/70-R24 125A8 575 1650 3300
8100
1627 2167
2
420/85-R34 139A8 750 2430 4860
1500 2000 2500 1250 1600 1825 4000 3000
1320 2020
1
440/65 R24 128A8 575 1800 3600
8500
1573 2199
2
540/65 R34 140A8 750 2500 5000
1500 2000 2500 1250 1600 1825 4000 3000
1316 2026
1
480/65 R24 133A8 600 2060 3800
8500
1573 2199
2
600/65 R34 151A8 775 3450 5000
1500 2000 2500 1250 1600 1825 4000 3000
1625 2026
1
480/65 R24 133A8 600 2060 3800
8500
1573 2199
2
540/65 R38 147A8 800 3075 5000
1500 2000 2500 1250 1600 1825 4000 3000
1316 2028
1
420/70-R24 130A8 600 1900 3800
8500
1627 2167
2
480/70 R38 145A8 800 2900 5000
1500 2000 2500 1250 1600 1825 4000 3000
1320 2020
1
380/85-R24 131A8 600 1950 3800
8500
1627 2167
2
420/85 R38 141A8 800 2575 5000
1500 2000 2500 1250 1600 1825 4000 3000
1320 2020
* 1 front axle, 2 rear axle
Set-up with SuSpended axle (Speed 50 kph)
Axle
N.*
Tyre size, includ-
ing the load
capacity index
and the speed
class symbol
Rolling
Radius
(mm)
Load class
for each
tyre [kg]
Maxi-
mum
allowed
weight
per axle
[kg]
Maxi-
mum
al-
lowed
weight
of the
vehicle
[kg]
Max. allowed vertical load on hitch
point [kg]
Tread
width
[mm]
M
E,D,
N
L
A C1
F1
B,F,
O
Minimum
Maximum
a-b a-b
1
440/65 R24 128B 575 1800 3600
8500
1573 2199
2
540/65 R34 140B 750 2500 5000
1500 2000 2500 1250 1825 4000 3000
1316 2026
1
480/65 R24 133B 600 2060 3800
8500
1573 2199
2
600/65 R34 151B 775 3450 5000
1500 2000 2500 1250 1825 4000 3000
1626 2026
1
480/65 R24 133B 600 2060 3800
8500
1573 2199
2
540/65 R38 147B 800 3075 5000
1500 2000 2500 1250 1825 4000 3000
1316 2028
1
420/70-R24 130B 600 1900 3800
8500
1627 2167
2
480/70 R38 145B 800 2900 5000
1500 2000 2500 1250 1825 4000 3000
1320 2020
1
380/85-R24 128B 600 1950 3800
8500
1627 2167
2
420/85 R38 141B
800 2575 5000
1500 2000 2500 1250 1825 4000 3000
1320 2020
* 1 front axle, 2 rear axle
Operation
5-67
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Maximum allowed operating weights
CAUTION: comply with the max. load capacity of the automatic hitch and of the drawbar. Do not work
with loads greater than the maximum allowed ones. This could damage the automatic hitch and the rod.
It also reduces stability of the front part.
Maximum loads on axles also depend upon the capacity of the rear tyres fitted.
Ask your Dealer for further information.
Maximum vertical load depending on tyres and hook type [3.k]
Set-up with narrow axle (rigid, Speed 40 kph)
Axle
N.*
Tyre size, includ-
ing the load
capacity index
and the speed
class symbol
Rolling
Radius
(mm)
Load class
for each
tyre [kg]
Maxi-
mum
allowed
weight
per axle
[kg]
Maxi-
mum
al-
lowed
weight
of the
vehicle
[kg]
Max. allowed vertical load on hitch
point [kg]
Tread
width
[mm]
K,M
E, D
J, N
L,H
A C C1
F1
B,F,
O
Minimum
Maximum
a-b a-b a-b
1
320/85-R24 122A8 550 1500 3000
7100
1440 1954
2
340/85 R38 133A8 750 2060 4120
1500 2000 2500 1250 1600 1825 4000 3000
1320 2020
1
340/85-R24 125A8 575 1650 3300
8000
1427 1967
2
420/85 R34 139A8 750 2430 4860
1500 2000 2500 1250 1600 1825 4000 3000
1320 2020
1
380/70-R24 125A8 575 1650 3300
8000
1427 1967
2
480/70-R34 143A8 750 2725 5000
1500 2000 2500 1250 1600 1825 4000 3000
1320 2020
1
380/70-R24 125A8 575 1650 3300
8000
1427 1967
2
420/85-R34 139A8 750 2430 4860
1500 2000 2500 1250 1600 1825 4000 3000
1320 2020
1
440/65 R24 128A8 575 1800 3600
8000
1373 1999
2
540/65 R34 140A8 750 2500 5000
1500 2000 2500 1250 1600 1825 4000 3000
1316 2026
1
480/65 R24 133A8 600 2060 3800
8000
1373 1999
2
600/65 R34 151A8 775 3450 5000
1500 2000 2500 1250 1600 1825 4000 3000
1620 2026
1
480/65 R24 133A8 600 2060 3800
8000
1373 1999
2
540/65 R38 147A8 800 3075 5000
1500 2000 2500 1250 1600 1825 4000 3000
1316 2028
1
420/70-R24 130A8 600 1900 3800
8000
1427 1967
2
480/70 R38 145A8 800 2900 5000
1500 2000 2500 1250 1600 1825 4000 3000
1320 2020
1
380/85-R24 131A8 600 1950 3800
8000
1427 1967
2
420/85 R38 141A8 800 2575 5000
1500 2000 2500 1250 1600 1825 4000 3000
1320 2020
* 1 front axle, 2 rear axle
5-68
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Maximum vertical load on the tow hook depending on tyres and hook type [3.k]
NOTE: the maximum vertical load on the tow hook must not be greater than the one stamped on the tow hook itself or than
the capacity of the rear tyres. The maximum applied weight must be the lowest one between the two available weights.
Calculation of the maximum allowed vertical load
on the tow hook according to the load index (LI)
The load index is usually stamped on the side of the tyre.
If no such index is given please refer to the load capacity
as indicated by the manufacturer of the tyre.
The load index is given along with the speed index (SI)
of the tyre.
Normally, the load capacity (in kgs) can be calculated by
means of the LI index using the table at the bottom of
the page.
As a general rule, a speed index SI = A8 allows for a
maximum speed of 40 kp/h (25 mph), while with a SI = B
allows for a maximum speed of 50 kp/h (31 mph).
With a different speed index from the above ones, abide
by the indication of the manufacturer of the tyre.
To calculate the maximum load that can be applied to the
tow hook, the following formula shall be used:
S =
(H
max
- LGH) * a
a + b
where:
H
max
= the lesser value between the load capacity of
the tyre at the rear axle multiplied by 2 and the
maximum allowed load on the rear axle in kgs
LGH = mass in kg displaced to the ground via the rear
wheels (to be ascertained by weighing)
a = wheelbase: horizontal distance between the front
and rear axles
b = rear overhang: horizontal distance between the
centre of the real axle and the centre of the tow
hook
LI (Load Index)
Max. load
allowed (kg)
90 600
91 615
92 630
93 650
94 670
95 690
96 710
97 730
98 750
99 775
100 800
101 825
102 850
103 875
104 900
105 925
106 950
107 975
108 1000
109 1030
110 1060
111 1090
112 1120
113 1150
114 1180
115 1215
116 1250
117 1285
LI (Load Index)
Max. load
allowed (kg)
118 1320
119 1360
120 1400
121 1450
122 1500
123 1550
124 1600
125 1650
126 1700
127 1750
128 1800
129 1850
130 1900
131 1950
132 2000
133 2060
134 2120
135 2180
136 2240
137 2300
138 2360
139 2430
140 2500
141 2575
142 2650
143 2725
144 2800
145 2900
LI (Load Index)
Max. load
allowed (kg)
146 3000
147 3075
148 3150
149 3250
150 3350
151 3450
152 3550
153 3650
154 3750
155 3875
156 4000
157 4125
158 4250
159 4375
160 4500
161 4625
162 4750
163 4875
164 5000
165 5150
166 5300
167 5450
168 5600
169 5800
170 6000
171 6150
172 6300
173 6500
Example of a calculation
Let us suppose that:
empty mass of the rear axle LGH = 1900 kg
wheelbase a = 2200 mm
overhang b = 700 mm
mark on tyre = 135A8
allowed load at rear axle = 3800 kg
Hmax = 3800 kg
2180 kg * 2 = 4360 kg
allowed load on rear axle = 3800 kg
S =
(3800 kg - 1900 kg) * 2200 mm
= 1441 kg
2200 mm + 700 mm
CAUTION: the load applied onto the tow
hook must not be greater than the maximum
capacity as specified by the manufacturer of
the tow hook.
In any case, the load displaced to the ground via the front
axle must to be equal to at least 20% of the total mass
of the tractor.
Operation
5-69
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Rear hitch (mechanical control)
(Fig. 5-32)
The two control levers enable the following operating
conditions.
Position control
Draft control
Mixed position and draft control
Floating position
Each of these modes must be chosen according to the
type of work in hand, the type of implement and the
consistency of the soil.
Position control (lever 1)
Move the draft control lever (2) fully down. Set the position
of the implement, either in or out of the soil, by moving
the lever (1) up to raise it or down to lower it. The degree
to which the implement is moved is proportional to the
degree to which the position control lever (1) is shifted.
Draft control (lever 2)
Move the position control lever (1) against the lower stop,
dig the implement down to the required depth in the soil
by gradually moving the lever (2) towards the lower stop.
The depth reached by the implement is proportional to
the traction required by the consistency of the soil. The
tractive force required from the tractor is automatically
kept constant in these conditions by the hitch. Lock the
lower stop in front of the lever (2) to bring it to the same
position each time round. Raise the implement at the
end of each furrow by using the position control lever (1)
only. At the end of the stroke of the draft control lever (2),
float mode is engaged and the hitch no longer controls
the traction force.
Mixed position and draft control mode
When draft control is used in varied soil conditions in
which the implement may be buried too deep into the
soil, use of combined position and draft control is rec-
ommended. Set the implement into the soil and find the
correct work depth as indicated in the section on draft
control. When the required depth has been reached,
gradually move the control lever (1) upwards until the
arms of the hitch begin to rise slightly. The hitch operates
in the draft control mode but meanwhile prevents the
implement from digging excessively into softer soil and
producing an uneven job. To raise and dig the implement
at the end and at the beginning of each furrow, use only
the position control lever (1).
Floating position (used with implements that
rest on the ground).
Bring the position control lever (1) down against the lower
stop. Bring the draft control lever (2) down to obtain the
float mode.
Fig.5-32 Control levers.
1. Position control
2. Draft control command
5-70
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Ergonomic Lift System - Buttons for
automatic raising and lowering of the
lifting links (if equipped)
Ergonomic Lift System
1. Automatic raising control
2. Automatic lowering control
To lower the implement, press the button (2) all the way
down. The lifting links will lower until they reach the limit
previously set by means of the control levers.
To raise the implement, pull the control back (1) as indi-
cated by the arrow in the figure to release the button (2)
from the stop. The lifting links will raise to the maximum
height.
CAUTION: when operating with mounted
implements that are connected to the PTO
and require the use of the automatic raise/
lower control, pay the utmost attention dur-
ing lifting so that any damage to the driveline
is avoided.
Operation
5-71
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Sensitivity adjustment
To achieve the maximum draft control, it is necessary to
obtain the maximum reaction sensitivity from the hitch.
The sensitivity is adjusted by rotating the knob (1) in the
cab, down at the right of the driver's seat.
This control must be adjusted for maximum sensitivity with-
out the implement being subjected to continuous jolting.
Sensitivity control knob
Turn clockwise = to increase the sensitivity.
Turn anti-clockwise = to reduce the sensitivity.
NOTE: to increase the sensitivity of the draft control, place
the top link in the lowest hole of the swinging support. Set
it in the top-most hole to obtain less sensitivity.
Down speed control
The drop speed of the hitch links is adjusted by rotating
the knob (2) in the cab, down at the right of the driver's
seat.
Drop speed control knob
Turn clockwise to reduce lowering rate.
Turn anti-clockwise to increase descent rate.
The knobs (1) and (2) are connected by cables to their ad-
justment levers on the hitch's control valve, under che cab.
levee (1), sensitivity control
lever (2), drop speed control
Fig.5-33b
Fig.5-33a
5-72
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Top link of the mechanical hitch
(Fig. 5-34)
WARNING: Never attempt to tow by connect-
ing the top link to the swinging support of the
hydraulic hitch.
The top link has three holes for hitching the implement and
adjusting its slant. It also provides a means of adjusting
draft control sensitivity, which should be chosen according
to the type of implement used.
Fix the top link to the lower holes for greater sensitivity.
Fix the top link to the upper holes for less sensitivity.
Fig.5-34 - Three-point linkage for mechanical hitch, with
three holes to link to implement.
Operation
5-73
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.5-35
Fig.5-36
External control for the hitch
(if equipped)
The external control (1) enables direct control from out
the cab of the links of the mechanical hitch.
Before using the external control (1), it is necessary to
select the hitch mode “Position control”, by means of
lever (2) in the cab.
NOTE: The "draft control" operation of the hitch must be
excluded.
CONTROL OPERATION
The control (1) is turned to raise or lower the hitch's links.
To lower the hitch
Turn the control knob anticlockwise to lower the hitch's
links. This same movement is also achieved by lowering
the lever (2) in the cab.
To raise the hitch
Turn the control knob clockwise to raise the hitch's links.
This same movement is also achieved by moving up the
lever (2) in the cab.
DANGER: external controls must be operated
at a safe distance, standing on one side outside
the tractor and out of the overall width of rear
mudguards or tyres. It is expressly forbidden
to operate the controls from the rear of the
tractor or standing on the inner side of wheels.
5-74
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Rear hitch (electronic control)
Electronic control of the hitch gives a number of major
benefits. In particular, control and response signals can
be processed and action taken to adjust for variations in
ground conditions encountered by the implement in a
fraction of the time possible with manual controls.
To achieve such improvements, the operator needs to
become familiar with the controls on the right side of the
instrument cluster.
NOTE: The following images are purely indicative and not
comprehensive of all possible cases.
Control panel
(Fig.5-37)
1. 3-position up/down switch.
A: Hitch lowering
B: Stop - The lift links are unable to move in any way
in the stop position.
C: Lifting - Transport: the fully raised position is
established by the limiter (4).
2. Down speed selector:
0 - Does not lower. Lock - Turned in anti-clockwise
direction.
3. "Check Control" indicator light for autodiagnosis of
electronic hitch.
4. Maximum height limiter:
Minimum height, turned in anti-clockwise direction.
Maximum height, turned in clockwise direction.
Fig.5-37 - Control panel of electronic hitch.
5. Lifting movement indicator light.
6. Function selector:
Position Control, turned anti-clockwise.
Draft Control, turned clockwise.
Intermediate positions: mixed Draft and Position
Control (INTERMIX).
7. Lowering movement indicator light.
8. Implement work depth/height control:
0 - Maximum depth.
10 - Max height from ground.
9. Transport shock absorber engaged button and indica-
tor light
10. Quick soil engagement button.
11. External hitch controls - Buttons on the fenders
(Fig.5-39).
Operation
5-75
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Electronically controlled hitch - ac-
tivation
(Fig.5-38)
The hitch incorporates a safety device which disables its
controls when the engine is off or if the external controls
have been used. This prevents accidental movement of
the lift links and links in the case anyone should change
the control settings while the tractor was stationary. When
the engine has been started, or after the external controls
have been used (Fig.5-39) the hitch is locked. To start
again, simply turn the control switch (1) to position A or C.
- If the switch is already in Pos. C, turn the switch (1) to
Pos. A then back to Pos. C again.
- If the switch (1) is not in Pos. C and the hitch is lowered,
turn switch (1) to Pos. C.
WARNING: The hitch links will raise as soon
as the hitch is activated. Limit the max. lifting
height with the control (4 - Fig.5-38) before
re-activating the electronic hitch.
- If you need to stop hitch movement imme-
diately, simply turn the switch (1) to Pos. B.
- Before you enable the hitch controls, check
that the settings of controls (6 and 8) do not
cause any dangerous movement of the imple
-
ment.
NOTE: The electronic hitch control system also incorpo-
rates safety devices which disable its functions if any of
the following faults are detected:
1 - Insufficient battery power.
2 - Short circuit in the power line.
3 - Faulty position-control circuit.
If the electronic hitch fails to operate correctly after the
controls have been enabled as instructed above, have the
circuits checked by your local dealer.
Check-control indicator light
When the engine is started, the check-control indicator (3)
lights up. Once the electronic hitch is enabled as already
described, the check-control indicator should go out.
If the indicator lights up and flashes during work, consult
your local Argo Tractors Dealer who will be able to locate
the fault.
Fig.5-38 Control panel - Enabling of electronic hitch.
DANGER: External controls must be operated
at a safe distance, standing on one side outside
the tractor and out of the overall width of rear
mudguards or tyres. It is expressly forbidden
to operate the controls from the rear of the
tractor or standing on the inner side of wheels.
DANGER: Danger for bystanders! Before us-
ing the outer switches of the power take-off
(PTO), make sure that there are no persons
or objects in the reach of the implement or
of the three-point linkage.
Failure to comply with these directions could
cause injuries or death.
DANGER: Never reach with arms, legs or any
part of your body in the area near the three-
point linkage or the implement when operat-
ing the outer switch. Never let another person
operate the other control group. Walk around
the tractor or the implement to go from a
control group the other. NEVER pass between
implement and tractor.
Fig.5-39 1 - Up 2 - Down
5-76
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Hitching an implement
WARNING: when inspecting the area of the three-point
hitch and of the trailer brake hitch, e.g. to view how the
connected implements are operating, it is mandatory
to keep a safety distance from these organs. No opera-
tion must be carried out that can be dangerous for
you or any other bystander. Maximum priority should
be given to the safety of all persons near the tractor.
WARNING: Always use the specific PPE for the opera-
tion concerned.
From the internal control panel (Fig.5-40-57)
- Turn the hitch control switch (1) to Pos. A or C to enable
the hitch operation again.
- Turn the function selector (6) anti-clockwise to select
position control mode.
- Turn the knob (8) anti-clockwise to lower the links.
The links-down indicator (7) should light up.
- Manoeuvre the tractor to the required position and hitch
the implement's ball-ends on to the ends of the links.
Fit safety pins to secure the hitch.
Hitch up the top link.
- Turn the knob (8) clockwise to raise the implement.
The links-up indicator (5) should light up.
With the external control buttons (Fig.5-41)
There is no need to enable the hitch in order to use the
external control buttons.
To use the external controls, just press on the buttons to
raise or lower the lift links. Now enable the hitch control
panel by means of the switch (1).
NOTE:
Movement of the links stops as soon as the buttons are
released.
Descent speed is 30% slower than max. speed with
the external controls. Down speed regulation remains
disabled.
To enable the control panel controls again, release the
safety device by setting the switch (1 - Fig.5-42) to Pos.
C and then to working position A.
DANGER: External controls must be operated
at a safe distance, standing on one side outside
the tractor and out of the overall width of rear
mudguards or tyres. It is expressly forbidden
to operate the controls from the rear of the
tractor or standing on the inner side of wheels.
Fig.5-41 1 - Up 2 - Down
Fig.5-40 Control panel - Hitching an implement from the
driver's seat
Fig.5-42 Control panel - Hitching an implement from the
external controls.
Operation
5-77
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Use during work
- Select the hitch operating mode by means of the mode
selector (6 - Fig.5-43).
Selector position
(Fig. 5-44)
Action
1
Position control: When the implement
should be kept in a fixed position. Turn
the knob anti-clockwise.
6
Draft control: When the implement
works under the soil, e.g. a plough. Knob
turned clockwise.
Intermediate
(2 to 5)
"Intermix" degrees.
Combining position control and draft
control; for use on variable soils or
with subsoilers, etc.
- Use the selector (2) to set a suitable drop speed for the
type of implement being used (Fig.4-43)
- Set the switch (1) to the working position (A).
- Turn the control knob (8) to obtain the correct working
depth/height.
Working with tillage implements
(Fig.5-44)
- If the implement pitches (makes large lifting and lower-
ing adjustments) in draft control mode, turn the mode
selector knob (6) anti-clockwise to introduce an element
of position control (Intermix).
The sensitivity of the electronic hitch to variations in
the traction force required in working conditions is
automatically controlled and thus the operator need
not intervene to make corrections.
Adjustment of
position / draft / intermix control
(Fig.5-44)
Function selector:
Tillage work: position 3 or 4.
Ploughing: positions (3 - 4 - 5).
Light soil turning over: positions (2 - 3).
Grubbing: position 3 or 4.
Mounted implement: position 1 (position control).
These settings are purely indicative and may vary depend-
ing on the implement used and the soil.
Headland manoeuvres
(Fig.5-43)
- Raise the implement at the end of the field by setting
the switch (1) to Pos. C. The links lift to the height set on
the lift height limiter (4). Adjust the hitch height limiter
so that if a drive shaft is connected between the PTO
and the implement, it is not twisted into acute angles.
This will also avoid wasting time lifting the implement
to transport height.
- To re-engage the implement, simply turn the switch (1)
to the working position (A). The implement will lower
at the speed set with selector (2) until is reaches the
position selected with knob (8).
- To make the implement quickly re-engage the soil, press
the orange-colored button (10).
Fig.5-43 - Control panel - Use during work
Fig.5-44 - Intermix/draft/position control adjustment.
5-78
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Floating mode.
(Fig.5-45)
Used for implements that rest on the ground and that
follow its relief.
- Switch (1) in position (A).
- Knob (8) in position (10), turned fully in anti-clockwise
direction.
WARNING: Follow the maintenance and safety rules
for the electrical system of the tractor to protect the
electronic hitch circuit.
Implement transport
(Fig.5-45)
- Select the maximum transport height with the selector
(4).
- Set the selector (6) to position control mode (Pos. 1) by
turning it in an anti-clockwise direction.
- Raise the three-point linkage by turning the switch (1)
to Pos. C.
- Set the down-speed selector (2) to position (0) (lock) to
prevent any accidental lowering movement should the
controls be accidentally operated.
CAU-
TION: If the control switch (1) is moved to
the links down position (A), the links may be
lowered according the control position (8) of
the operation height. Set the lowering speed
control (2) to Pos. 0 (lock) to prevent any ac-
cidental movement.
Shock absorber function in the trans-
port position (Fig.5-46)
This function is activated by pressing the button (9) when
the transport position is reached with selector (1). Indica-
tor light (9) will come on.
Press the button (9) again to deactivate the shock-absorber
function in the transport position.
Fig.5-46 Control panels - Shock absorber function in
the transport position.
Fig.5-45 Control panel - Transporting implements.
Operation
5-79
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
ELECTRONICALLY CONTROLLED HITCH - SYNOPSIS OF ITS USE
(Refer to Fig.5-37)
OPERATION
MAX. HEIGHT LIMITER
(4)
(1) UP/DOWN SWITCH
(10) QUICK DIG-IN
IMPLEMENT WORK DEPTH/
HEIGHT CONTROL
(8)
FUNCTION SELECTOR
(6)
DROP SPEED
(2)
NOTES
Re-activation of operation Pos. 0 - Minimum
Pos. A to Pos. C
or
Pos. C to Pos. A
0 - Minimum
Adjust (6) and (8) to prevent
movement of the links
Implement hitching or
unhitching by the controls
on panel
Max height Pos.
Turn clockwise
Pos. A work Required height
Position control Up: turned
anti-clockwise
Intermediate position
Implement hitching or
unhitching by the external
controls
Inactive Pos. B or A
After use. re-activate the inter-
nal control panel
Implement transport
Max. height
Turn anti-clockwise
Pos. C
Max height Pos.
Turn clockwise
Pos. 1 Pos. 0
Work in position control
Adjust the max. re-
quired height
Pos. A - Work Required height/deep Turned anti-clockwise As required
Use switch number 1 for ma-
noeuvres on headland.
Work in draft control or
Intermix
Adjust the max. re-
quired height
Pos. A - Work Required depths
Turned clockwise. Interme-
diate positions for Intermix
As required
Use switch number 1 for ma-
noeuvres on headland.
Headland manoeuvres
Adjust the max. re-
quired height
Pos. C
Do not change the set work
values
Headland manoeuvres
Pos. A - Work over the soil
Button 11 - Quick dig-in for
tillage implements
Do not change the set work
values
5-80
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.5-47
Auxiliary hydraulic control valves [3.f]
(Fig. 5-47)
The auxiliary control valves for the external cylinders are
mounted on the rear part of the tractor. These auxiliary
control valves can be driven by the hitch's hydraulic circuit
and thus use the same oil.
The maximum number of control valves that can be
mounted depends on the tractor version. See your Argo
Tractors Dealer for more information.
The control levers of the auxiliary control valves are in-
stalled on the right-hand side of the driving seat.
The control levers (1) are matched each to its own
auxiliary control valve connected to two «Push-Pull» quick
couplings with a device (2) for locking the lever.
The third lever optional) controls an auxiliary control
valve connected to two «Push-Pull» quick couplings with
a device (2) for locking the lever.
NOTE: oil level in the transmission should be checked
frequently for a regular operation of the hydraulic system.
If the external circuits draw much oil, its level should be
increased as described in the Maintenance chapter “Check
oil level in the transmission”.
WARNING: The hydraulic rams of the implements be-
ing hitched to the tractor contain the same oil used in
the transmission of the tractor. This excludes any oil
contamination that could cause malfunction.
Match of control lever and rear quick
couplings colours.
CAUTION: The tractor engine must only be
started with the auxiliary control valve levers
in neutral position.
The colours applied to the control levers match the colour
of the plugs of the rear quick couplings, namely:
Black lever (if equipped): quick couplings with black
decal.
Blue lever: quick couplings with blue decal.
Green lever: quick couplings with green decal.
The symbols (+ ) and (- in the rear area near the quick
couplings identify the output direction of the pressurised
oil flow.
Pull the control lever to let oil out toward the quick cou-
pling with the symbol (+).
On the contrary, push the control lever to the outside to
let oil out toward the quick coupling with the symbol (-).
Control-valve operation
Different types of control valves can be installed to suit
specific working requirements (Fig.5-47):
Standard control valve to feed single or double acting
cylinders. When released, the control valve's lever auto-
matically returns to the hold position, thus locking the
implement in the position it has reached.
Control valve with automatic release (kick-out) (optional
on some models) convertible single/double acting. The
control lever remains locked in the lifting and lowering
position. Once the ram has reached end of stroke, the
lever is automatically released by the pressure and
returns to the neutral position, It is always possible to
manually bring the lever back to the neutral position
before the cylinder reaches the end of travel.
Control valve with float position (optional on some mod-
els): for implements requiring a continuous automatic
adjustment of the working position. The floating position
is obtained by shifting the control lever fully forward to
the position in which it remains locked at end of travel.
Operation
5-81
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Control valve for use with hydraulic motors and with
float position (optional). To engage the hydraulic motor,
start the engine and move the control lever forward from
the float position until the lever locks. The hydraulic mo-
tor will now operate. The knob (4) on the valves pack is
used to govern the oil flow and therefore the hydraulic
motor speed rate. To disengage the hydraulic motor,
shift the lever fully forward until it is locked at the end
of travel. This will allow the hydraulic motor to slow
down before stopping. This last position will also allow
the float position.
Specific control valve for use with hydraulic motors
(optional): for use with equipment that require a continu-
ous oil flow. The hydraulic motor position is obtained
by shifting the control lever fully forward or backward
until it locks. Shift the lever to the middle position to
disengage the hydraulic motor.
CAUTION: The tractor engine must only be
started with the auxiliary control valve levers
in neutral position.
IMPORTANT: as the auxiliary control valves have differ-
ent configurations according to specific requirements of
the user, please ask your authorised Argo Tractors Dealer
for details about the proper and safe use of hydraulic
equipment.
4
5-82
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
REMOTE HYDRAULICS OPERATION
There can be up to three remote control levers, each hav-
ing three or four positions (according to the type of valve):
POSITION
FLOATING RETRACT NEUTRAL EXTEND
The speed of movement of auxiliary equipment is deter-
mined by the distance the lever is moved from neutral to
the control position.
If the lever is moved fully rearward from neutral, the
equipment hydraulic cylinder will extend quickly. If the
lever is moved rearward a short distance from neutral, the
equipment hydraulic cylinder will extend slowly.
If the lever is moved fully forward from neutral (when work
position is locked out) the equipment hydraulic cylinder
will retract quickly. If the lever is moved a short distance
forward from neutral the equipment hydraulic cylinder
will retract slowly.
NOTE: if there is too much restriction in the implement
cylinders or other attachments, the restriction can cause
a back pressure in the remote valve which will cause the
remote lever on the console to return to neutral before the
cylinder has reached full stroke. If the condition occurs,
it will be necessary to manually hold the lever in position
until the cylinder has reached full stroke. Continual use of
the remote valve in this condition will cause the hydrau-
lic oil to over heat and possible damage to the hydraulic
system. If this condition occurs at regular intervals the
implement restriction should be corrected. It is normal for
the control lever to return to neutral when the cylinders
reach full stroke.
Neutral Lock
The remote hydraulic control levers can be locked in the
neutral position (1) to prevent moving the remote valves.
To this purpose, shift the control levers to the middle
Neutral position and lock it by moving the retainer (2) to
the right.
2 - Retainer to lock the auxiliary control valves:
A. lever not locked
B. lever locked in neutral position.
When used with equipment in the raised position, the
neutral lock provides a positive means of preventing the
accidental movement of the valve control levers.
Operation
5-83
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Free discharge
Hydraulic Motor Return Circuit (if
equipped)
The hydraulic motor return circuit can be used to reduce
restriction in the remote hydraulic motor return line. This
will result in more efficient hydraulic motor operation.
To use the hydraulic motor return circuit, connect the
return line from the hydraulic motor or implement to the
connector (1).
IMPORTANT: to avoid damages to hydraulic pumps in
tractors, all hydraulic fluid flowing back from all imple-
ments must be returned through the return circuit of the
hydraulic motor.
5-84
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Single/double action selection
(Available only for some types of control valves)
Some types of standard control valve can be adjusted to
control single acting cylinders.
To this purpose, just slacken the check nut (2) and turn
the screw (1) anticlockwise until it stops; then lock the
check nut.
For double acting operation, the screw (1) must be turned
again in a clockwise direction.
Diverter valve (if equipped) [3.f]
On request, a diverter valve (3) can be mounted that is cou-
pled to the first auxiliary control valve, preset for this use.
Flow adjustment
The flow of oil to the first control valve can be regulated.
This device is particularly useful for implements that
require very small amounts of oil to ensure precise ad-
justment or to regulate the speed of hydraulic motors.
It also makes it possible to maintain a sufficient flow of
oil for use of both the hitch and the external circuit from
the first control valve. To adjust oil flow, turn the knob
(4) mounted in the cab on the right side, just behind the
driver’s seat. Turn the knob (4) clockwise to increase the
flow, or anti-clockwise to reduce it.
CAUTION: when using the auxiliary control
valves, quick couplings may reach high
temperatures. Therefore it is mandatory to
use suitable safety gloves when hitching or
unhitching implements connected to these
couplings.
Operation
5-85
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Quick couplers
The tractor is equipped with female couplings according
to laws in force. These couplings will fit standard male
hose couplers made to current standards.
Your dealer can give you all required information to con-
nect different combinations of implements.
WARNING: Hydraulic fluid escaping under
pressure can have enough force to penetrate
the skin. Hydraulic fluid may also infect a
minor cut or opening in the skin. If injured by
escaping fluid, see a doctor at once.
Serious infection or reaction can result if
medical treatment is not given immediately.
Make sure all connections are tight and that
hoses and lines are in good condition before
applying pressure to the system. Release all
pressure before disconnecting the lines or
performing other work on the hydraulic sys-
tem. To find a leak under pressure use a small
piece of cardboard or wood. Never use hands.
WARNING: When using the auxiliary con-
trol valves, quick couplings may reach high
temperatures. Therefore it is mandatory to
use suitable safety gloves when hitching or
unhitching implements connected to these
couplings.
WARNING: The hydraulic rams of the implements be-
ing hitched to the tractor contain the same oil used in
the transmission of the tractor. This excludes any oil
contamination that could cause malfunction.
Connecting Remote Hoses
The implement couplers can be connected or discon-
nected with the tractor or implement hydraulic system
under pressure.
To connect a coupler do the following:
STEP 1
Remove the dust cap. Clean the implement male coupler
before connecting.
STEP 2
Push the implement coupler into the tractor coupler. The
implement couplers can be connected or disconnected
with the tractor or implement hydraulic system under
pressure.
IMPORTANT: All implements must be connected to
suitable couplers, which are available at your dealer's.
If an implement is not fitted with suitable couplers there
will be restricted oil flow through the couplers resulting
in inefficient machine operation, especially where high
flow rates are required.
STEP 3
To equalize the pressure in the hydraulic lines move the
control back and forth.
IMPORTANT: When connecting the implement hose to
the tractor, make sure the hose is long enough to permit
the tractor to turn in both directions.
IMPORTANT: Implements and other attachments can
have several large remote cylinders that need as much
as 15 litres of fluid to fill. Always check the transmission
fluid level after charging cylinders of implements and
attachments. Never operate the tractor under load if
the fluid level is low. Check oil level as described in the
Maintenance section: “Check oil level in the transmission”.
5-86
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Disconnecting hoses and implements
STEP 1
To reduce the possibility of oil leakage when disconnecting
the couplers, run the engine and move the remote control
to the float position.
STEP 2
Leaving the lever in the float position stop the engine and
disconnect the hoses from the couplers.
To disconnect the coupler, just pull. Clean the coupler
dust cap and install.
IMPORTANT: DO NOT pour the reservoir contents back
into the hydraulic system. Dispose of contents in accord-
ance with local regulations. DO NOT drain the contents
on the ground or into a drain. Be responsible for the
environment.
Oil spillage collector (if equipped)
Each quick coupling is connected to a tray that collects
oil spilt when connecting or disconnecting the quick
couplings. When oil reaches the maximum level in the
collector, this should be emptied into suitable containers
to avoid polluting the environment.
Operation
5-87
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Joystick lever to control midmount
control valves
(Fig.5-48)
The lever (1) is coupled to the midmount control valves
unit, used to control front implements such as a front
loader.
The to-and-fro motion of the lever (1) operates a first con-
trol valve, while the side movement operates a second
control valve.
The buttons in the front of the lever handle allow for a
pre-setting to connect a further hydraulic control.
Fig. 5-48
5-88
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig. 5-49
Fig. 5-49a
Auxiliary control valve with electro-
hydraulic divider
(if equipped)
(Fig. 5-49)
An auxiliary control valve with electro-hydraulic diverter,
controlled by a lever (1) with one button (4), is available
as an option. This valve controls two couples of hydraulic
outputs by a single lever. They can be connected to the
hydraulic top link (3) and to the hydraulic right link (2).
By moving (1) the valve lever, without operating the button
(4), the lower hydraulic outputs (E) and (F) are supplied.
Press down the button (4) and shift the lever (1) of the con-
trol valve to supply the upper hydraulic outputs (C) and (D).
Please refer to your Argo Tractors Dealer for more infor-
mation.
CAUTION: The tractor engine must only be
started with the auxiliary control valve levers
in neutral position. [2.c]
CAUTION: when using the auxiliary control
valves, quick couplings may reach high
temperatures. Therefore it is mandatory to
use suitable safety gloves when hitching or
unhitching implements connected to these
couplings.
[2.n]
Operation
5-89
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
REAR THREE-POINT HITCH
The three-point hitch system gives position control and load control of soil engaging implements.
According to its tailored specifications, the tractor may be suited to Cat. II implements, compliant with SAE-ASAE stand-
ard dimensions:
All models
IMPLEMENT Class II
Diameters of hitch balls 28.4 mm
Diameters of hitch pins 37mm
WARNING: Before connecting or using imple-
ments and trailers, ALWAYS read thoroughly
and follow the instructions of the operator’s
manual provided by the manufacturer of the
implement.
WARNING: Never work under an implement
that is kept raised only by the hydraulic hitch,
but always secure it with a suitable support.
Engage the first gear, engage the parking
brake, turn the engine off and remove the ig-
nition key from the instrument cluster. Put it
away in a safe place, not accessible to children
and not authorised persons.
When using the three point hitch ensure there is sufficient
clearance between the rear tyres and the lower links by
adjusting the stabilizers and/or tread positions.
The top and lower links must be adjusted correctly so
that the implement can work at the required depth and
that the lower links are free to move up and down with
the shape of the ground.
After making any adjustments, carefully raise the imple-
ment to make sure there is clearance between the tractor
and implement.
WARNING: when inspecting the area of the three-point
hitch and of the trailer brake hitch, e.g. to view how the
connected implements are operating, it is mandatory
to keep a safety distance from these organs. No opera-
tion must be carried out that can be dangerous for
you or any other bystander. Maximum priority should
be given to the safety of all persons near the tractor.
WARNING: Always use the specific PPE for the opera-
tion concerned.
Make sure tyre pressures, wheel equipment and ballasting
are correct before making hitch adjustments.
WARNING: Extreme care must be exercised
when adjusting and checking the hitch and
control linkage when the engine is running
and when linkage is under hydraulic or me-
chanical load. Study the linkage and hitch
travel, keep hands, arms, legs and feet out of
the travel arc of the hitch and linkage.
Make sure that no persons are in the danger
area.
5-90
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.5-50 Implement coupling dimensions
a = Horizontal distance between lower link pins of the
three-point linkage and the implement's centre
of gravity.
As small as possible (the greater is the weight of
the implement, the smaller it is).
b = Third point backing: mm 0-80;
c = Hitch triangle height mm 460;
d = Drawbar length: mm 825±1,5.
NOTE: the plough in the figure is purely an example, as
the dimensions are valid for every implement type.
WARNING: Always use the specific PPE for the opera-
tion concerned. beware of burns caused by hot tractor
and engine parts.
Implement hitching device
The three-point hitch connects the tractor to implements
controlled by the hydraulic hitch.
The articulated towing attachment with three-point linkage
is suitable for connection to 2
nd
class implements accord-
ing to the diagrams and data in Fig. 5-50.
Implement attachments
For a correct operation of the hitch, check carefully the
dimensions of the implements that are to be coupled to
the tractor.
These couplings must have the same standardisation of
the tractor's three-point hitch to avoid that while working,
the unit is submitted to irregular stresses due to incom-
patible dimensions.
Weight of the implement
In order not to affect the regular operation of the hitch
system, implements should have a lower weight than the
maximum lifting capacity of the hitch. This value (men-
tioned in the technical specifications) is but a mere indica-
tion, as a great influence is also due to the distance of the
implement centre of gravity from the three-point hitch.
In fact, if an implement, though it weighs less than indi-
cated, is too far from the tractor, it will weigh down on
the three-point hitch with a much greater force than the
implement's own weight.
Three-point linkage
The articulated device with three-point linkage is essen-
tially composed of the following organs (Fig.5-51).
Lower links
The lower links (1) transmit to the implement the lugging
and support power. Various types are available:
- lower links with fixed ball ends;
- lower links with quick couplings.
Fig. 5-51
1. Top link with length adjustment sleeve
2. Rh vertical rod with adjuster device.
3. Adjustable fork of right-hand lift rod.
4. Lateral stabilisers (2 pcs)
5. Lower links
6. Hitch couplings
7. Adjustable fork of left-hand lift rod.
8. Left-hand lift rod.
Fig. Fig. 5-51 (indicative image, not comprehensive of all possible cases)
Operation
5-91
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.5-53
Fig.5-54a
Lower links (Fig.5-52)
The lower links (4) transmit to the implement the lugging
and support power.
The lower links ends are fitted with fixed ball-ends or quick
couplings (on request).
The tractor is equipped with interchangeable ball-ends to
be mounted on the implement drawbar.
Quick couplings (Fig.5-52)
To connect the implement, open the latch (2) by pulling
the cables (1) from the driver's seat.
Reverse the tractor and back until the hooks are aligned
with the ball-ends previously mounted on the implement
drawbar.
Slowly lift the hitch links until the ball-ends seat into the
hooks (3). They will lock automatically.
The hooks can be released directly from the cab by means
of the control cables.
Right-hand adjustable lift rod.
The vertical links connect the lifting device to the lower
links. It is thus possible to operate and control implements
during work.
Adjustment of the mechanical right-
hand lift rod (Fig.5-53)
The length of the right lift rod (2) can be adjusted by the
crank (1). This adjustment is very useful, since it levels the
implement to suit the type of work required.
Turn the fork clockwise to reduce the length of the right-
hand lift rod.
Turn the fork anti-clockwise to increase the length of the
right-hand lift rod.
Adjustment of the hydraulic right-
hand lift rod (if provided)
On request, the right vertical rod is available with a hy-
draulic ram (1-Fig.5-54) to adjust the cross slant of the
implement from the driver's seat during work.
To adjust the right link, according to the setup, operate:
- the switch (2-Fig.5-54) in the cab in the switch panel on
the right-hand side of the operator’s seat.
- the lever (3-Fig.5-54a) in the cab in the switch panel on
the right-hand side of the operator’s seat.
- Fig.5-52 - Quick couplings:
1 - Cable
2 - Latch
3 - Quick hook
4 - Rod
Fig.5-54 - Right vertical rod, with hydraulic adjustment
(on request)
1
2
5-92
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Lower link flotation
IMPORTANT: Check the implement Operator’s Manual
to see if mechanical flotation can be used.
One or both lower links can be set to move up or down
approximately 40 mm. The mechanical lower link float is
used when operating in variable field surface conditions
allowing the implement to follow the surface conditions.
Mechanical flotation is also used when the mounted im-
plement width is more than the wheel base of the tractor.
For RIGID operation with no up or down movement, the
retainer plate (1) in the lower fork of the lower lift links
must be in the upper hole, as shown above.
For the WORK position, the retainer plate (1) of the lower
fork of the lower lift links must be in vertical position to
let the pin (2) slide freely up and down.
WARNING: Always use the specific PPE for the opera-
tion concerned.
To swing the retainer plate to the vertical position, remove
the split pin (3) and the pin (2). Place the plate (1) in the
vertical position and fit the pin (2) back. Lock with the
split pin (3).
Operation
5-93
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Side stabilisers
The lateral stabilisers (1) can be set to reduce the side
swing of the lower links of the three-point linkage.
Actually, when working with implements like graders, roll-
ers, hoes, seeders etc., the side swing of the lower links
can be adjusted according to the type of work.
On the contrary, when working with implements like
ploughs, harrows etc., the lower links should swing freely.
For transport on road with the hitch in the upper position,
whichever the previous adjustment used during work, the
side swing of the lower links should be limited.
According to the mounted stabilizer:
- Turn the knob (2) anti-clockwise: to increase free swing
of the three-point linkage.
- Turn the knob (2) clockwise: the three-point linkage
swing is reduced or even blocked.
- Remove the fixing pin (1) and adjust the stabilizer's
travel.
1
If the three-point linkage is adjusted for floating operation,
it is necessary to check the side swing for symmetry on
both sides, taking the rim edge of the rear wheel as a
reference.
Push the three-point linkage to the right-hand limit, meas-
ure the distance from lower link to rim, then adjust the
stabilisers to avoid any interferences.
For special works, the length of the top links can be ad-
justed so that the implement is off-centre with reference
to the tractor axis. Always make sure that the implement
is blocked when the top links are adjusted to different
lengths.
5-94
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Length adjustment of the hydraulic
top link (if equipped)
To adjust the link, according to the setup, operate:
- the switch (2) in the cab in the switch panel on the right-
hand side of the operator’s seat.
- the lever (3) in the cab in the switch panel on the right-
hand side of the operator’s seat.
2
Important notes on use and adjustment of
the three-point linkage
CAUTION: before any adjustments in the
three-point linkage, the following operations
are required: engage the first gear, engage the
parking brake, turn the engine off and remove
the ignition key.
CAUTION: Always use the lift in position con-
trol mode for transports with implements
mounted on three-point linkage.
DANGER: Always use the hitch in position
control mode when hitching or unhitching an
implement to the three-point linkage.
Top link adjustments
The mounting holes inside the top link bracket make it
possible to obtain various lifting angles of the implements.
Use the hole most suited to match the implement to the
tractor.
To adjust the mounting position of the top link, remove
the split pin (1) and the top link bearing pin (2). Move the
top link to the required position.
After mounting the top link in the required position, make
sure that its length has been properly adjusted. For infor-
mation about the length, refer to the Operator's manual
provided with the implement.
CAUTION: Only use the special swivel type top
link supplied with the tractor when connect-
ing to the top bracket. Serious damage and
possible injury can result, if you use other
types of top link.
2
1
Length adjustment of the mechanical
top link
To adjust the length of the top link (2), proceed in the
following way.
1. Move the adjustment handle (1) to the vertical position.
2. Turn the handle clockwise to shorten the link (2) or
counter-clockwise to lengthen the link.
1
2
Operation
5-95
5
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Auxiliary cylinders
The hydraulic hitch can be provided as standard with two
auxiliary cylinders directly supplied by the hitch valve.
The lifting capacity with auxiliary cylinders with a 65 mm
diameter is 6,000 kg (max. pressure 200 bar).
NOTE: Purely indicative image, not comprehensive of all
possible cases.
To install auxiliary cylinders and relative hydraulic connec-
tions, please refer to your Argo Tractors Dealer.
CAUTION: After stopping the tractor, always
lower implements connected to the three-
point linkage.
DANGER: Never work under an implement
that is kept raised only by the hydraulic hitch,
but always secure it with a suitable support.
Engage the first gear, engage the parking
brake, turn the engine off and remove the
ignition key.
CAUTION: Always keep clear of the implement
operating area [3.b].
Do not stand between the tractor and the
three-point linkage when the hitch controls
are operated.
Always check that all persons are well clear of
the operating area and the surrounding areas.
5-96
Operation
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Tyres - Wheels - Ballasting
6-1
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Section 6
Tyres - Wheels - Ballasting
6-2
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Tyres - Wheels - Ballasting
6-3
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
For maximum tractor performance, always adjust the tyre
pressure within the minimum/maximum range, to conform
with the actual load on the tyres. Under normal conditions
use the minimum pressure rating for general drawbar
work. Use the higher pressure rating, up to the maximum,
for heavy three point hitch mounted equipment.
MAXIMUM INFLA-
TION PRESSURE
MINIMUM LOAD
EXAMPLE "B"
Example ‘Ashows the cross section of a tyre inflated
for maximum load but with a minimum load on the tyre.
The tyre tread is not making full contact with the ground
which will give poor performance.
INFLATION
PRESSURE
ADJUSTED
TO TRACTOR
WEIGHT
EXAMPLE "A"
Example ‘B’ shows the cross section of a tyre with the
inflated pressure correctly adjusted to the load on the
tyre. The tyre tread is making full contact with the ground
which will give maximum performance.
Tyre pressure can also be adjusted as required to satisfy
the following requirements.
TYRE INFLATION SPECIFICATIONS
A. Severe service. Tyre pressure can be increased 38
kPa, 0.27 bar, (4 psi) more than the maximum pressure
shown in the charts, for tyres used in severe service. Se-
vere service includes the furrow tyre in regular ploughing
operations, and in hillside operations.
B. Tyres with liquid ballast. Inflate the tyres 14 kPa,
0.14 bar, (2 psi) more than the normal operating pressure
required for your operation. This will compensate for aera-
tion that occurs when the tyres are in motion.
WARNING: A tyre can explode during infla-
tion and cause serious injury or death. Never
increase air pressure beyond 241 kPa, 2.4 bar
to seat the bead on the rim. Replace a tyre if
it has a defect. Replace a wheel rim which has
cracks, wear or severe rust. Make sure that all
the air is removed from a tyre before removing
the tyre from the rim. Never use force on an
inflated or partially inflated tyre, make sure
the tyre is correctly seated before inflating.
Make sure the tyre is correctly positioned
before inflating. [2.t]
See Tyre and Wheel Service on page 169 for instructions
on safe tyre inflation procedure, recommended tyre main-
tenance and tyre/rim repair. See further in this section.
IMPORTANT: During transportation, by rail or road,
tractor tyres are inflated to higher than normal operating
pressures. Before using your tractor check the air pressure
in the tyres to make sure that the air pressures are correct.
6-4
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
TYRE PRESSURES, LOAD CAPACITIES AND SERVICE
Tyres can be marked in two ways, as shown in the examples below:
CROSSPLY STRUCTURE: Example
12.4-24 8PR
12.4 = Nominal tyre width in inches
- = Crossply structure
24 = Internal diameter
8PR = 8 ply rating
For correct tyre pressures/load capacities for CROSSPLY tyres see your dealer or tyre manufacturer.
RADIAL - Example
1
6
5
B
18.4R38
18.4 = Nominal tyre width in inches
R = Radial structure
38 = Internal diameter
142 = Load index number, 142 =2.650 kg (see
chart 1)
A8 = Speed code for 40 Kph, (see chart 2)
710/75R34
710 = Nominal tyre width in mm
75 = Nominal aspect ratio (ratio of sidewall height/sec-
tion width)
R = Radial structure
34 = Rim diameter at the bead seat in inches
168 = Load index number, 168 = 5,600 kg (see chart 1)
A8 = Speed code for 40 Kph, (see chart 2)
165 = Load index number, 165 = 5.150 kg (see chart 1)
B = Speed code for 50 kph, (see chart 2)
The performance of a radial tyre is determined by the load index and speed code which have replaced the ply rating
found on crossply tyres.
The maximum load which can be carried by a tyre is dependant upon the Load Index quoted on the tyre wall. Charts 1
and 2, on the following page, give a guide to the maximum load a tyre can carry and a percentage (%) variation depend-
ing upon the speed code or travel speed.
Tyres - Wheels - Ballasting
6-5
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
IMPORTANT: The charts below are only a guide. Loads may vary slightly with makes of tyres. For correct loads see your
dealer or tyre manufacturer.
Chart 1 - Load index codes and loads per tyre
CONTENTS kg CONTENTS kg CONTENTS kg CONTENTS kg CONTENTS kg CONTENTS kg
90 600 105 925 120 1400 135 2180 150 3350 165 5150
91 615 106 950 121 1450 136 2240 151 3450 166 5300
92 630 107 975 122 1500 137 2300 152 3550 167 5450
93 650 108 1000 123 1550 138 2360 153 3650 168 5600
94 670 109 1030 124 1600 139 2430 154 3750 169 5800
95 690 110 1060 125 1650 140 2500 155 3875 170 6000
96 710 111 1090 126 1700 141 2575 156 4000 171 6150
97 730 112 1120 127 1750 142 2650 157 4125 172 6300
98 750 113 1150 128 1800 143 2725 158 4250 173 6500
99 775 114 1180 129 1850 144 2800 159 4375 174 6700
100 800 115 1215 130 1900 145 2900 160 4500 175 6900
101 825 116 1250 131 1950 146 3000 161 4625 176 7100
102 850 117 1285 132 2000 147 3075 162 4750 177 7300
103 875 118 1320 133 2060 148 3150 163 4875 178 7500
104 900 119 1360 134 2120 149 3250 164 5000 179 7750
Chart 2 - Speed codes
SPEED CODE kph
mph
% VARIATION FACTOR (*) OF VARIOUS SPEEDS
A2 10 6 + 67%
A3 15 9 + 50%
A4 20 12 + 39%
A5 25 15 + 28%
A6 30 19 + 11%
A7 35 22 + 4%
A8 40 25 0
B 50 31 - 9%
D 65 40
6-6
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Tyre inflation procedure
DO NOT inflate a tyre that has had a complete loss of air.
If the tyre has lost all air pressure, have a qualified tyre
mechanic service the tyre.
WARNING: A tyre must always be inflated
within a restraining device (tyre inflation
cage). [2.t]
WARNING: Always use the specific PPE for the op-
eration concerned.
Proceed as follows to inflate a tyre:
- Use a safety hose of suitable length, equipped with
air nozzle, double-valve gauge and graduated scale to
measure pressure.
Keep at a safe distance from the tyre and warn all by-
stander on the tyre side to keep away before inflating
the tyre.
- Inflate the tyre to the recommended air pressure. DO
NOT INFLATE THE TYRE MORE THAN THE RECOM-
MENDED PRESSURE.
Air pressure check
NOTE: Tractors are supplied by the manufacturer with tyres
inflated at higher pressures than recommended. The pres-
sure should be adjusted afterwards by the user according
to values given in the tables of tyre manufacturers and to
the anticipated use for the tractor.
Check the tyre inflation pressure every 50 hours of opera-
tion or once per week.
NOTE: For best tyre life check tyre pressures as regular
intervals. Too low a pressure causes early wear of the
tyre rubber wall. Too high a pressure causes higher tread
wear or damage.
Check the condition of the tyres and wheels for wear or
damage. Keep the tyres inflated to the recommended
pressures.
NOTE: Cross ply tyres can have the pressure reduced to
increase traction in field work.
NOTE: Never use radial ply tyres below 1.2 bar (17 psi).
It is not necessary to reduce the pressure in radial tyres to
get better traction in the field.
IMPORTANT: Before leaving the factory the tyre pres-
sures are increased. Check and adjust the pressures before
operating the tractor.
For tyres equipped with liquid ballast, check the air pres-
sure as follows:
STEP 1
Use an air-water gauge. The valve must be at the bottom
of the tyre to get an accurate reading.
STEP 2
Use a standard air gauge as follows:
A. The valve must be at the top of the tyre.
B. Measure the wheel diameter.
Add 0.04 bar (1/2 psi) for each 305 mm (12 inches) of rim
diameter to the standard gauge reading.
Tyres - Wheels - Ballasting
6-7
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Tyre and wheel service
WARNING: Do not remove, install or make
repairs to tyres or rims. Take the tyre and
rim to a tyre specialist where persons with
special training and special safety tools are
available. If the tyre is not correctly positioned
on the rim, or if over inflated, the tyre bead
can loosen on one side and cause air to leak
at high force and can thrust the tyre in any
direction. Explosive separation of the tyre can
cause serious injury. [2.t]
WARNING: DO NOT weld to wheel or rim
when a tyre is installed. Welding will cause an
explosive air/gas mixture that will be ignited
with high temperatures. This can happen to
tyres inflated or deflated. Removing air or
breaking bead is not adequate. The tyre MUST
be completely removed from the rim prior to
welding. [2.t]
WARNING: Explosive separation of the tyre
and/or rim parts can cause injury or death.
When tyre service is necessary, have a quali-
fied tyre mechanic service the tyre. [2.t]
Always have a qualified tyre mechanic service the tyres
and wheels on this machine.
If the tyre has lost all air pressure, take the tyre and wheel
to a tyre specialist for service. The use of correct equip-
ment and correct service/repair procedures will prevent
accidents.
Tyre installation
To get the correct traction and cleaning action of the lugs,
the tyres must be installed on the wheels so the tread
pattern is turning as shown. DO NOT try to remove, repair
or install a tractor tyre on a wheel.
6-8
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Wheel removing procedure [2.k][2.t]
WARNING: If a wheel has to be removed (e.g.
to remove a punched tyre), this operation
must be carried out by a suitably equipped
workshop. If the suitable equipment or such
a workshop are not available, take the tractor
to a specialised workshop, where the tractor
will be lifted with an equipment suited to its
weight and dimensions.
WARNING: Always use the specific PPE for the opera-
tion concerned.
NOTE: before carrying out any operation that requires
lifting the tractor, refer to the safety prescriptions in the
section 2 of this manual, in particular to the specific para-
graph “Lifting points”.
Procedure
- Turn off the engine, engage the parking brake and the
first gear. Engage the Park Lock (if equipped).
- To remove a front wheel apply a jack lift of suitable ca-
pacity at the front axle next to the wheel to be removed
(Fig.6-1).
- To remove a rear wheel, use wooden wedges on the front
axle to block completely any tractor swing. Use a jack lift
of suitable capacity in the centre of the rear axle (Fig.6-2).
- Loosen the nuts (bolts) fastening the wheel of about one
turn by the provided wrench.
- Before lifting the tractor, check there are no persons
next to it and do not touch the tractor again until it is
not again lowered to the ground.
- Lift the tractor a few centimetres.
- Unscrew all nuts (bolts) that fasten the wheel and remove
the wheel
- Inflate the tyre if required. See the inflating procedure
in this chapter.
- Mount the wheel taking to exactly match the locating
pins. Screw the nuts (bolts) down again.
- Lower the tractor to the ground. Remove the jack and
fully tighten the nuts (bolts) alternating a nut (bolt) with
the opposite one.
- Take your tractor to the service workshop to tighten the
wheel nuts (bolts) to the prescribed torque.
NOTE: The following images are purely indicative and not
comprehensive of all possible cases.
Fig.6-1
Fig.6-2
Tyres - Wheels - Ballasting
6-9
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 1
Park the machine on hard level ground, engage the park
brake and stop the engine.
STEP 2
Raise the front of the tractor so that both front wheels are
off the ground and the steering is free to turn through the
full range LEFT AND RIGHT.
STEP 3
Mark the inside front of the rims at the tyre/rim interface
and at the same height as the centre of the hub.
STEP 4
Measure the distance between the rim edges at the front
(dimension A in the diagram).
STEP 5
Rotate each wheel 180 degrees so that the marks are
at the rear, at the same height as the centre of the hub.
STEP 6
Measure the distance between the marks at the rear
(dimension B in the diagram).
STEP 7
Subtract the front dimension (A) from the rear dimension
(B), this is the toe -in measurement.
SETTING THE FRONT WHEEL TOE-IN
A = FRONT B = REAR
Adjustment
4WD ..................................................................... ±3 mm
Adjust the length of each tie rod, by the same amount,
as required.
Make sure the tyres do not contact the steering cylinder
when on full lock.
6-10
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
The steering stops are used to give the required steering
clearance between the front tyres and tractor frame.
The stops are located on the rear of each swivel housing.
The angles you can set the stops to depends upon:
- The size of the front tyres installed.
- The wheel tread width setting.
- If front fenders are installed.
- If the tractor is equipped with a front hitch.
IMPORTANT: NEVER operate the tractor without
the steering stops installed.
IMPORTANT: When installing a front loader check the
manufacturers recommendations for axle steering and
oscillation stops.
FRONT AXLE - STEERING STOPS
Adjusting the steering stops
WARNING: Always use the specific PPE for the opera-
tion concerned.
STEP 1
Park the tractor on hard, level ground and apply the park
brake. Stop the engine and remove the key from the key
switch.
STEP 2
Loosen the lock nuts (1). Adjust the steering stop bolts (2)
in or out to achieve the correct steering angle.
WARNING: Before carrying out any servicing
on tractors equipped with Independent Front
Suspension make sure the key switch is in the
OFF position, the suspension ON/OFF switch
is in the OFF position and the axle is fully low-
ered to the bottom mechanical stop. Failure to
do this may result in serious injury.
IMPORTANT: After adjustment:
1. Raise the front of the tractor so the axle can be moved
into maximum oscillation.
2. Start the engine and turn the steering wheel to full lock
in both directions.
3. Check to make sure the tyres or fenders (if equipped)
DO NOT touch the tractor frame.
Tyres - Wheels - Ballasting
6-11
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
WARNING: Always use the specific PPE for the op-
eration concerned.
WARNING: When servicing or making adjust-
ments to the tractor with one set of wheels
supported on a stand, NEVER attempt to ro-
tate the wheel either by hand or by starting
the engine. This could propel the tractor of
the stands. Either support all wheels off the
ground or disconnect the front axle drive
shaft. [2.t]
IMPORTANT: The steering stops on the axle must be
installed in the correct position for the tread width and
tyre size being used.
WARNING: When you lift up the tractor to
adjust the wheel tracks, follow the directions
for lifting in the Safety Notes section. [2.k][2.t]
WARNING: Maximum attention must be used
when dismounting the front or rear wheels:
because of their weight, a suitable hoist must
be used to remove and handle the wheels. [2.t]
IMPORTANT:After removing and fitting the wheels back
again, it is important to check the torques of all bolts by
means of a torque wrench at the following intervals:
- First check after 10 work hours.
- Second check after 50 work hours.
- Third check and further checks every 500 work hours.
See the following pages for the driving torques of the front
and rear wheel bolts.
ADJUSTMENT OF TRACK WIDTHS
This tractor is manufactured with rear lamps which meet
all lighting regulations for travelling on the public road.
According to the law in force, when travelling on public
roads the distance between the outmost edge of the
tractor and the lens of the rear stop lights must be not
greater than 400 mm (dimension A).
If the track width is set on values greater than the factory
setting, it could be required that the rear lights are repo-
sitioned or that additional lights are installed to comply
with the law in force.
- Overall widths above 3000 mm (118 in) WILL REQUIRE
local authorization for use on the highway. An overall
width of 2550 mm to 2550÷3000 mm (8 to 10 feet)
MAY REQUIRE local authorization for use on the
highway, check before operation.
6-12
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
1A 1B
2A 2B
3A 3B
4A 4B
Table 6-1 - Front and rear track widths adjustment
Disk pointing inwards Disk pointing outwards
Key to the front and rear track width tables:
P: 1A, 2A, 3A, 4A, 1B, 2B, 3B, 4B = Available assembly positions
Front interflange: 1887 mm.; Rear interflange: 1659.50 mm (setup with wide axle)
Front interflange: 1687 mm.; Rear interflange: 1640 mm (setup with narrow axle)
C.A: Front track; L.F.T.A.: Overall front width; L.I.A.: Internal front width
C.P: Rear track; L.F.T.P: Overall rear width; L.I.P.: Internal rear width
Rear track widths
Reference track widths indicated by boldface care.
All available tracks are shown here.
Front track widths
Reference track widths indicated by boldface care.
Front tracks should be selected according to alignment with rear wheels. Also check that there are no interferences
between wheels and tractor body when steering. Adjust the max. steering angle in case of interference.
Tyres - Wheels - Ballasting
6-13
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Tyres (unit 719) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1986 2317 1656 1620 1977 1262
320/85 R24 (12.4 R24) 340/85 R38 (13.6 R38) 2A 1873 2204 1542 1420 1777 1062
Rims 3A 1753 2084 1422 1520 1877 1162
Front Rear 4A 1640 1970 1309 - - -
W10 x 24 DWW12 x 38 1B 1808 2138 1477 1720 2077 1362
Tyre section width (middle value) in mm 2B 1921 2252 1590 1920 2277 1562
Front Rear 3B 2041 2372 1710 1820 2177 1462
331 358 4B 2154 2485 1824 2020 2377 1662
Tyres (unit 951) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1999 2357 1642 1620 2063 1176
340/85 R24 (13.6 R24) 420/85 R34 (16.9 R34) 2A 1886 2243 1529 - - -
Rims 3A 1740 2097 1383 1520 1963 1076
Front Rear 4A 1627 1984 1269 - - -
W12 x 24 DWW15L x 34 1B 1795 2152 1437 1720 2163 1276
Tyre section width (middle value) in mm 2B 1908 2265 1551 1920 2363 1476
Front Rear 3B 2054 2411 1697 1820 2263 1376
357 443 4B 2167 2525 1810 2020 2463 1576
Tyres (unit 954) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1999 2394 1605 1620 2068 1171
380/85 R24 (14.9 R24) 420/85 R38 (16.9 R38) 2A 1886 2281 1491 - - -
Rims 3A 1740 2135 1345 1520 1968 1071
Front Rear 4A 1627 2021 1232 - - -
W12 x 24 DWW15L x 38 1B 1795 2189 1400 1720 2168 1271
Tyre section width (middle value) in mm 2B 1908 2303 1513 1920 2368 1471
Front Rear 3B 2054 2449 1659 1820 2268 1371
395 448 4B 2167 2562 1773 2020 2468 1571
Tyres (unit 955) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1999 2386 1613 1620 2106 1133
380/70 R24 480/70 R34 2A 1886 2273 1499 - - -
Rims 3A 1740 2127 1353 1520 2006 1033
Front Rear 4A 1627 2013 1240 - - -
W12 x 24 DWW15L x 34 1B 1795 2181 1408 1720 2206 1233
Tyre section width (middle value) in mm 2B 1908 2295 1521 1920 2406 1433
Front Rear 3B 2054 2441 1667 1820 2306 1333
387 487 4B 2167 2554 1781 2020 2506 1533
NOTE: Consult the “Key to the front and rear track width tables” on page 6-12 in order to interpret the table correctly and
find out which track widths are available.
SETUP WITH WIDE AXLE
6-14
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
NOTE: Consult the “Key to the front and rear track width tables” on page 6-12 in order to interpret the table correctly and
find out which track widths are available.
SETUP WITH WIDE AXLE
Tyres (unit 959) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1999 2428 1571 1620 2104 1135
420/70 R24 480/70 R38 2A 1886 2314 1458 - - -
Rims 3A 1740 2168 1312 1520 2004 1035
Front Rear 4A 1627 2055 1198 - - -
W13 x 24 DWW15L x 38 1B 1795 2223 1366 1720 2204 1235
Tyre section width (middle value) in mm 2B 1908 2336 1480 1920 2404 1435
Front Rear 3B 2054 2482 1626 1820 2304 1335
428 484 4B 2167 2596 1739 2020 2504 1535
Tyres (unit 993) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1999 2386 1613 1620 2063 1176
380/70 R24 420/85 R34 (16.9 R34) 2A 1886 2273 1499 - - -
Rims 3A 1740 2127 1353 1520 1963 1076
Front Rear 4A 1627 2013 1240 - - -
W12 x 24 DWW15L x 34 1B 1795 2181 1408 1720 2163 1276
Tyre section width (middle value) in mm 2B 1908 2295 1521 1920 2363 1476
Front Rear 3B 2054 2441 1667 1820 2263 1376
387 443 4B 2167 2554 1781 2020 2463 1576
Tyres (unit B30) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1899 2380 1418 1628 2153 1102
480/65 R24 540/65 R38 2A 1797 2278 1316 - - -
Rims 3A 1795 2276 1314 - - -
Front Rear 4A 1573 2054 1092 - - -
W14L x 24 DWW18L x 38 1B 1893 2374 1412 1716 2241 1190
Tyre section width (middle value) in mm 2B 1995 2476 1514 1824 2349 1298
Front Rear 3B 2097 2578 1616 1920 2445 1394
481 525 4B 2199 2680 1718 2028 2553 1502
Tyres (unit B31) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1899 2342 1456 1626 2153 1098
440/65 R24 540/65 R34 2A 1797 2240 1354 - - -
Rims 3A 1795 2238 1352 - - -
Front Rear 4A 1573 2016 1130 - - -
W14L x 24 W18L x 34 1B 1893 2336 1450 1716 2243 1188
Tyre section width (middle value) in mm 2B 1995 2438 1552 1822 2349 1294
Front Rear 3B 2097 2540 1654 1920 2447 1392
443 528 4B 2199 2642 1756 2026 2553 1498
Tyres - Wheels - Ballasting
6-15
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
NOTE: Consult the “Key to the front and rear track width tables” on page 6-12 in order to interpret the table correctly and
find out which track widths are available.
SETUP WITH NARROW AXLE
Tyres (unit 719) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1786 2117 1456 1600 1958 1242
320/85 R24 (12.4 R24) 340/85 R38 (13.6 R38) 2A 1673 2004 1342 1400 1758 1042
Rims 3A 1553 1884 1222 1500 1858 1142
Front Rear 4A 1440 1770 1109 - - -
W10 x 24 DWW12 x 38 1B 1608 1938 1277 1700 2058 1342
Tyre section width (middle value) in mm 2B 1721 2052 1390 1900 2258 1542
Front Rear 3B 1841 2172 1510 1800 2158 1442
331 358 4B 1954 2285 1624 2000 2358 1642
Tyres (unit 951) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1799 2157 1442 1600 2043 1157
340/85 R24 (13.6 R24) 420/85 R34 (16.9 R34) 2A 1686 2043 1329 - - -
Rims 3A 1540 1897 1183 1500 1943 1057
Front Rear 4A 1427 1784 1069 - - -
W12 x 24 DWW15L x 34 1B 1595 1952 1237 1700 2143 1257
Tyre section width (middle value) in mm 2B 1708 2065 1351 1900 2343 1457
Front Rear 3B 1854 2211 1497 1800 2243 1357
357 443 4B 1967 2325 1610 2000 2443 1557
Tyres (unit 954) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1799 2194 1405 1600 2048 1152
380/85 R24 (14.9 R24) 420/85 R38 (16.9 R38) 2A 1686 2081 1291 - - -
Rims 3A 1540 1935 1145 1500 1948 1052
Front Rear 4A 1427 1821 1032 - - -
W12 x 24 DWW15L x 38 1B 1595 1989 1200 1700 2148 1252
Tyre section width (middle value) in mm 2B 1708 2103 1313 1900 2348 1452
Front Rear 3B 1854 2249 1459 1800 2248 1352
395 448 4B 1967 2362 1573 2000 2448 1552
Tyres (unit 955) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1799 2186 1413 1600 2087 1113
380/70 R24 480/70 R34 2A 1686 2073 1299 - - -
Rims 3A 1540 1927 1153 1500 1987 1013
Front Rear 4A 1427 1813 1040 - - -
W12 x 24 DWW15L x 34 1B 1595 1981 1208 1700 2187 1213
Tyre section width (middle value) in mm 2B 1708 2095 1321 1900 2387 1413
Front Rear 3B 1854 2241 1467 1800 2287 1313
387 487 4B 1967 2354 1581 2000 2487 1513
6-16
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
NOTE: Consult the “Key to the front and rear track width tables” on page 6-12 in order to interpret the table correctly and
find out which track widths are available.
SETUP WITH NARROW AXLE
Tyres (unit 959) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1799 2228 1371 1600 2084 1116
420/70 R24 480/70 R38 2A 1686 2114 1258 - - -
Rims 3A 1540 1968 1112 1500 1984 1016
Front Rear 4A 1427 1855 998 - - -
W13 x 24 DWW15L x 38 1B 1595 2023 1166 1700 2184 1216
Tyre section width (middle value) in mm 2B 1708 2136 1280 1900 2384 1416
Front Rear 3B 1854 2282 1426 1800 2284 1316
428 484 4B 1967 2396 1539 2000 2484 1516
Tyres (unit 993) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1799 2186 1413 1600 2043 1157
380/70 R24 420/85 R34 (16.9 R34) 2A 1686 2073 1299 - - -
Rims 3A 1540 1927 1153 1500 1943 1057
Front Rear 4A 1427 1813 1040 - - -
W12 x 24 DWW15L x 34 1B 1595 1981 1208 1700 2143 1257
Tyre section width (middle value) in mm 2B 1708 2095 1321 1900 2343 1457
Front Rear 3B 1854 2241 1467 1800 2243 1357
387 443 4B 1967 2354 1581 2000 2443 1557
Tyres (unit B30) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1699 2180 1218 1608 2133 1083
480/65 R24 540/65 R38 2A 1597 2078 1116 - - -
Rims 3A 1595 2076 1114 - - -
Front Rear 4A 1373 1854 892 - - -
W14L x 24 DWW18L x 38 1B 1693 2174 1212 1696 2221 1171
Tyre section width (middle value) in mm 2B 1795 2276 1314 1804 2329 1279
Front Rear 3B 1897 2378 1416 1900 2425 1375
481 525 4B 1999 2480 1518 2008 2533 1483
Tyres (unit B31) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1699 2142 1256 1606 2134 1078
440/65 R24 540/65 R34 2A 1597 2040 1154 - - -
Rims 3A 1595 2038 1152 - - -
Front Rear 4A 1373 1816 930 - - -
W14L x 24 W18L x 34 1B 1693 2136 1250 1696 2224 1168
Tyre section width (middle value) in mm 2B 1795 2238 1352 1802 2330 1274
Front Rear 3B 1897 2340 1454 1900 2428 1372
443 528 4B 1999 2442 1556 2006 2534 1478
Tyres - Wheels - Ballasting
6-17
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
SET-UP WITH SUSPENDED AXLE
Tyres (unit B30) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A - - - 1628 2152 1103
480/65 R24 540/65 R38 2A - - - - - -
Rims 3A - - - - - -
Front Rear 4A - - - - - -
W15L [W14L - W16L] W16L [W18L] 1B 1893 2372 1414 1716 2240 1191
Tyre section width (middle value) in mm 2B 1995 2474 1516 1824 2348 1299
Front Rear 3B 2097 2576 1618 1920 2444 1395
479 524 4B 2199 2678 1720 2028 2552 1503
Tyres (unit B32) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A - - - 1626 2224 1028
480/65 R24 600/65 R34 2A - - - - - -
Rims 3A - - - - - -
Front Rear 4A - - - - - -
W15L [W14L - W16L] DW20B [W18L] 1B 1893 2372 1414 1716 2314 1118
Tyre section width (middle value) in mm 2B 1995 2474 1516 1822 2420 1224
Front Rear 3B 2097 2576 1618 1920 2518 1322
479 598 4B 2199 2678 1720 2026 2624 1428
Tyres (unit D87) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1899 2329 1469 1628 2113 1142
420/70 R24 480/70 R38 2A - - - 1520 2005 1034
Rims 3A - - - - - -
Front Rear 4A - - - - - -
W13 [DW14L - W12L - W14L]
W15L [W16L - W14L] 1B 1893 2323 1463 1716 2201 1230
Tyre section width (middle value) in mm 2B 1995 2425 1565 1824 2309 1338
Front Rear 3B 2097 2527 1667 1920 2405 1434
430 485 4B 2199 2629 1769 2028 2513 1542
Tyres (unit D79) P C.A. L.F.T.A. L.I.A. C.P. L.F.T.P. L.I.P.
Front Rear 1A 1899 2294 1504 1628 2076 1179
380/85 R24 (14.9 R24) 420/85 R38 (16.9 R38) 2A - - - 1520 1968 1071
Rims 3A - - - - - -
Front Rear 4A - - - - -
W12 [W13 - W11]
DW15L [W14L - W15L - DW14L]
1B 1893 2288 1498 1716 2164 1267
Tyre section width (middle value) in mm 2B 1995 2390 1600 1824 2272 1375
Front Rear 3B 2097 2492 1702 1920 2368 1471
395 449 4B 2199 2594 1804 2028 2476 1579
NOTE: Consult the “Key to the front and rear track width tables” on page 6-12 in order to interpret the table correctly
and find out which track widths are available.
6-18
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
FRONT AND REAR WHEEL BOLT TORQUES
IMPORTANT: After removing and fitting the wheels back
again, it is important to check the torques of all bolts by
means of a torque wrench at the following intervals:
- First check after 10 work hours.
- Second check after 50 work hours.
- Third check and further checks every 500 work hours.
WARNING: Always use the specific PPE for the opera-
tion concerned.
NOTE: With some types of tyres, some track widths are
not available (see tables in the following pages).
Always check the air pressure of the tyres.
NOTE: The centre disc must fit flush against the rim lugs
when assembled.
Tighten the fixing nuts to the prescribed torque.
6 nuts for front wheels (M18x1.5) 435 Nm (+-5%)
8 nuts for rear wheels (M18x1.5) 435 Nm (+-5%)
NOTE: after each wheel track adjustment or wheel
replacement, torque their nuts or bolts at the above pre-
scribed values.
Fig.6-3
Fig.6-4
Tyres - Wheels - Ballasting
6-19
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Tyres
The following is a list of possible tyre types and front/rear combinations: Please refer to your Argo Tractors Dealer for
more information about tyre combinations.
NOTE: only in countries where a 50 kph speed is allowed, in case of non suspended axle, when driving on road it is advis-
able to reduce the tyre pressure for greater comfort. Contact your Argo Tractors Dealer for any information.
Front to rear tyre size combinations
WARNING: Use bolted rims only for speeds under 50 Kph.
NOTE: Some of the tyre combinations considered here as acceptable MIGHT not be suited to all tractor models. To know
the tyre combinations not listed here or for further information, see your Argo Tractors Dealer.
Front Rear Type of axle
Tyre Rim Tyre Rim Wide Narrow
440/65 R24 W13 - 24 WAFFLE 540/65 R34 DWW15x34 WAFFLE
13.6 R24 W12 - 24 C.V. 16.9 R34 DWW 15 X 34 D. L.
14.9 R24 W12 - 24 C.V. 16.9 R38 DWW15L - 38 D.L.
380/70 R24 W12 - 24 C.V. 480/70 R34 DWW15 X 34 D.L.
420/70 R24 W13 - 24 480/70 R38 DWW15L - 38
12.4 R24 W10 - 24 C.V. 13.6 R38 DWW12 - 38 D.L.
*380/70 R24 W12 - 24 C.V. 16.9 R38 DWW15L - 38 D.L.
WHEEL COMBINATIONS ON TRACTOR WITH FRONT RIGID AXLE
FOR TRACTORS 36 AND 40 ECO KPH, NEVER 50 KPH
* tyre combination only available for Germany
** With narrow axle, the wheel rims must be mount in inverted position.
Front Rear Type of axle
Tyre Rim Tyre Rim Wide Narrow
480/65 R24 W14LX24 WAFFLE 540/65 R38 DWW18LX38 WAFFLE
480/65 R24 W14LX24 WAFFLE 600/65 R34 DWW18L x 34 WAFFLE
420/70 R24 W13 - 24 WAFFLE 480/70 R38 DWW15L - 38 WAFFLE
14.9 R24 W13 - 24 WAFFLE 16.9 R38 DWW15L - 38 WAFFLE
WHEEL COMBINATIONS ON TRACTOR WITH FRONT SUSPENDED AXLE
FOR 50 KPH TRACTORS
**
6-20
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
The front fenders provide greater safety and keep the trac-
tor cleaner, therefore improving operation and durability.
To provide the necessary clearance between the fender
and other tractor components, the fender mounting posi-
tion and the total amount of swivel must be adjusted for
the tread width and tyre size being used.
WARNING: Always use the specific PPE for the opera-
tion concerned.
Vertical adjustment
Loosen the support brace mounting bolts (1) and slide
the support brace (2) up or down to the correct position.
Tighten the mounting bolts to a torque of about 50 Nm
(37 Ib ft).
NOTE: The distance between tyre and support brace must
be 50-100 mm (2 to 4 in).
FRONT FENDERS (if equipped)
Horizontal adjustment
Loosen the 2 fender bracket mounting bolts (3) on the end
of the mudguard bracket and slide the fender bracket left
or right until the fender is central over the tyre. Tighten
the mounting bolts.
Swivel limit adjustment (if equipped)
Loosen the nut (1) and adjust the retainer rod (2) to have
the right amount of fender rotation. Then tighten the lock
nut (1).
Tyres - Wheels - Ballasting
6-21
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Wheel cover stop:
1. End of travel stud
2. Adjuster screw
3. Check nut
Front fender end of travel
To prevent the front fender from colliding with the engine
at the maximum steering angle, the wheel cover rotation
can be stopped while leaving the kingpin free to turn up
to the steering angle.
Screw down the screw (2) onto the stud (1) before the
wheel cover collides with the engine.
6-22
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Loads matched to tractor
The life of the tractor will be increased by operating in the
highest possible gear without labouring the engine. Match
the implement to the tractor to get the best forward speed.
Operating at 8 Kph (5 mph) or above is best for long life of
main components. Too much ballast and excessive loads
decrease tyre life, wastes fuel and often reduces output.
The best traction occurs when wheel slip is between
12 - 16%.
Remove the ballast when not needed for lighter loads.
Pull lighter loads at a faster speed to do more work and
increase efficiency. Do not overweight the tractor to
pull very heavy loads.
Operating a tractor with too much weight can cause:
A. A decrease in horsepower available at the implement
and then, a decrease in amount of field worked.
B. An increase in amount of fuel used.
C. A decrease in tyre life.
D. The soil to be compacted.
E. Too much force on the power train which will decrease
the life of the power train and cause high operating cost.
The most important item in field operations is the amount
of horsepower available at the hitch or drawbar. Power
needed to move a tractor that has too much weight will
decrease the power that is available to pull the implement.
TRACTOR BALLAST [3.h] [3.i]
Tractor weight distribution
The optimum static weight distribution for this size trac-
tor is:
4WD
% FORECARRIAGE % REARCARRIAGE
40% 60%
The weight distribution ratios are based upon the trac-
tor (including ballast) with mounted equipment in the
lowered position.
The correct static weight distribution and the correct
amount of wheel slip will give maximum tractive efficiency,
maximum productivity and extended service life for the
tractor components.
The amount and type of front and rear mounted equipment
being used will affect the weight distribution to the front
and rear tyres. Add or remove ballast as necessary, to
your fully equipped tractor, to achieve the recommended
static weight distribution.
IMPORTANT: The total tractor weight with full equipment
and ballast weight must never be more than the maximum
allowed operating weight. See Maximum permitted
operating weights in the Technical specifications section
of this manual. Observe tyre capacities and any possible
legal limitations.
IMPORTANT: Whatever the state of loading of the tractor,
the weight transmitted to the road by the wheels of the
front axle must not be less than 20 percent of the unladen
weight of the tractor.
Tyres - Wheels - Ballasting
6-23
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Front end weights, rear wheel weights and liquid ballast
in the tyres can be used to ballast your tractor. Inadequate
traction and excessive wheel slip can waste up to thirty
percent of tractor horsepower.
IDEAL WHEEL SLIP 12÷16%
Do not try to reduce wheel slippage to zero. Stay within
the a 12÷16% slip.
If you add weight to the tractor to reduce wheel slip to less
than 12%, the added weight will consume more engine
power due to the increased rolling resistance caused by
the tyres sinking into the soil.
Add ballast weight only as necessary to maintain the
correct tractor weight distribution and the recommended
amount of wheel slip.
Wasted energy, increased fuel consumption, decreased
tyre life and loss of productivity are all principle ingredients
that can increase operating cost.
6-24
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Measuring Wheel Slip Without a True Ground
Speed Sensor
If your tractor is not equipped with a True Ground Speed
Sensor, measure the amount of wheel slip you will need
the assistance of a second person:
STEP 1
Put a reference mark on the side of the tractor rear tyre.
STEP 2
Operate the tractor with the implement IN THE GROUND.
STEP 3
While the tractor is moving put a marker on the ground,
outside the implement width, where the reference mark
on the tyre comes down to the ground.
STEP 4
Continue to walk along with the tractor and count ten
wheel revolutions. Put a second marker on the ground
outside the implement width, where the reference mark
on the tyre comes down to the ground for the TENTH time.
STEP 5
Lift the implement out of the ground. Put the tractor in
position with the rear tyre next to the first ground marker
and put a new reference mark on the rear tyre aligned
with the first ground marker.
STEP 6
Operate the tractor, with the implement RAISED, from
the first ground marker to the second ground marker.
Count the number of wheel revolutions between the two
ground markers.
STEP 7
Find the percent of slip as follows:
Revolutions of wheel
with implement raised. Slip (%)
9-1/2 ........................................................................... 5
9 ............................................................................... 10
8-1/2 ......................................................................... 15
8 ............................................................................... 20
7-1/2 ......................................................................... 25
7 ............................................................................... 30
NOTE: When you have too much ballast installed on the
tractor, you will see the clear shape of the tyre tread in
the ground which is an indication of no slippage. With too
little ballast, the tyre tread marks will not show because
of the tyre slippage.
1
2
3
1 - WITHOUT SLIPPAGE: TOO MUCH BALLAST
2 - SLIP: CORRECT BALLAST
3 - TOO MUCH SLIP: TOO LITTLE BALLAST
Tyres - Wheels - Ballasting
6-25
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Front ballast [3.i] (Fig. 6-5)
(if equipped)
Front end weights can be mounted on the front of the
tractor with a weight frame. The weights and their frames
can be purchased at your Argo Tractors Dealer's.
FRONT BALLAST
N.of weights
(single plates)
Weight of a single
plate (kg)
Total weight of
plates (kg)
6 36 216
10 36 360
Use front end weights as needed to provide effective
steering control and front end stability and to achieve
maximum operating efficiency and tractor field perform-
ance.
IMPORTANT: The total tractor weight with full equipment
and ballast weight must never be more than the maximum
allowed operating weight. See Maximum permitted
operating weights in the Technical specifications section
of this manual. Observe tyre capacities and any possible
legal limitations.
CAUTION: Due to the great weight of each
ballast, manual lifting of front and rear ballast
weights could be dangerous for your safety.
Always lift the front and rear ballast by means
of a hook or similar device.
Always use suitable personal safety devices
(safety gloves and shoes) when applying or
removing ballast.
Front Ballast Weights
NOTE: these images are only shown as an example. They
do not represent all possible cases.
Fig.6-5
6-26
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Assembly of front ballast [3.i]
WARNING: Due to the great weight of each
ballast, manual lifting of front and rear ballast
weights could be dangerous for your safety.
Always lift the front and rear ballast by means
of a hook or similar device.
Always use suitable personal safety devices
(safety gloves and shoes) when applying or
removing ballast.
STEP 1
Park the tractor on hard level ground. STOP the engine
and apply the park brake. Remove the key.
STEP 2
Hook one weight (1) over the top lip of the weight frame
(2) towards its outer edge. Slide the weight towards the
centre of the frame until it is against tab (A) on the weight
frame. The bottom of the weight will interlock behind the
tab at the centre of the weight frame.
STEP 3
Repeat STEP 2 and install the second weight onto the
opposite side.
STEP 4
Continue to install weights equally to each side until the
required weight pack is installed. The tab on each weight
will interlock into the previous installed weight.
IMPORTANT:The total tractor weight with full equipment
and ballast weight must never be more than the maximum
allowed operating weight. Check tyre capacities and any
possible legal limitations.
STEP 5
Once the correct quantity of weight is installed, mount
both ends (a) and check they do match both outer weights.
STEP 6
Push the stud (5) into the holes of the ballast unit. Install
the washer (6) and nut (7) to the opposite end of the stud.
Tighten the nut.
STEP 7
A bracket is available that can be mounted on the front of
the weights with bolts. Before mounting a bracket (3), let
the fixing bas (8) through the front weights.
Assemble the washer (9) and the nut (10). Tighten the nut.
NOTE: The retainer must be positioned so as to hold the
flat headed bolts fixed.
WARNING: DO NOT raise the tractor using the tow
hook.
Tyres - Wheels - Ballasting
6-27
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Rear wheel weights [3.i]
WARNING: Due to the great weight of each
ballast, manual lifting of front and rear ballast
weights could be dangerous for your safety.
Always lift the front and rear ballast by means
of a hook or similar device.
Always use suitable personal safety devices
(safety gloves and shoes) when applying or
removing ballast.
The 60 kg weight for rear wheels are available at your
Argo Tractors Dealer's.
Use the wheel weights as needed to provide safe and
efficient tractor operation. Do not add more weight to the
rear wheels of your tractor than is needed to achieve the
correct tractor static weight distribution and the correct
amount of wheel slip.
A maximum of 2 weights per wheel can be used. The 2
weights can be installed on the outside of the wheels
as shown.
IMPORTANT: The total tractor weight with full equipment
and ballast weight must never be more than the maximum
allowed operating weight. See Maximum permitted
operating weights in the Technical specifications section
of this manual. Observe tyre capacities and any possible
legal limitations.
IMPORTANT:
- Do not ballast the tractor over its rated carrying weight.
- When using the tractor for light work, transport and on-
road towing, remove the ballast to avoid unnecessary
strain on the mechanical components.
- With semi-mounted and fully mounted implements
(which inevitably increase the load on the rear axle
of the tractor), ballast must only be used when strictly
necessary. There is no point in increasing grip beyond
the level necessary for efficient work as this will reduce
tyre life.
- Carefully check the tyre inflation pressure since this will
make the tyre last longer and ensure a more regular
wear.
- The softer the soil, the lower tyre inflation must be, while
the tyre should be inflated to a greater extent as the soil
becomes more compact.
On each wheel, one or two rings (60 kgs each) can be
mounted for a max. total of 4 rings on both wheels.
REAR WEIGHTS
N. of
weights on
each wheel
Total
number
ballast
Weight of a
single plate
(kg)
Total weight of
plates (kg)
2 4 45 180
See the following page for installation instructions.
Fig.6-6
6-28
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Installing rear wheel weights [3.i]
STEP 1
Park the tractor on hard level ground. STOP the engine
and apply the park brake. Remove the key.
STEP 2 - 1 WEIGHT KIT
Secure the first weight (1) to the rim (6) using three screws
(2) and three spacer bolts (3). Secure with three washers
(4) and nuts (5).
Weights/wheel 1 x SET 2 x SET
1. Ballast 1 2
2. Screw 3 3
3. Spacer 3 6
4. Washer 3 3
5. Nut 3 3
6. Wheel rim - -
STEP 3 - TWO WEIGHT KIT
Then secure the second weight using three spacers (3)
screwed on the spacers fixing the first weight. Secure
with three washers (4) and nuts (5).
NOTE: Torque all nuts to 200÷220 Nm
2 x set of weights 1 x set of weights
WARNING: Due to the great weight of each ballast, manual lifting of front
and rear ballast weights could be dangerous for your safety.
Always lift the front and rear ballast by means of a hook or similar device.
Always use suitable personal safety devices (safety gloves and shoes)
when applying or removing ballast.
Tyres - Wheels - Ballasting
6-29
6
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Tyre liquid ballast
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: Ballasting with water and calcium chlo-
ride antifreeze solution can increase corrosion of the
components that come into contact with the mixture.
Use tyre liquid ballast as needed to provide safe and ef-
ficient tractor operation. See Tractor weight distribution in
the previous pages in this section for more recommenda-
tions. The chart shows the liquid weight each tyre will hold
when 75 percent filled (filled to valve level), with water or
calcium chloride and water solution.
Calcium chloride (CaCl
2
) keeps the water from freezing.
Water will start to freeze at 0°C.
When liquid ballast is used, inflate the tyres 0.14 bar (2 PSI)
more than the recommended pressure. This will compen-
sate for aeration that occurs when the tyre is in motion.
When dual wheels are installed, use liquid ballast in the
inside tyres only.
IMPORTANT: DO NOT use liquid ballast while driving
on roads.
IMPORTANT: The total tractor weight with all equipment
and ballast weight must never be more than the maximum
recommend operating weight. See Maximum permitted
operating weights in the Technical specifications section
of this manual. Observe tyre capacities and any possible
legal limitations.
Liquid ballast for tyres, in litres and kilograms
Tyre Size
Water only Protection at -15 °C Protection at -35 °C Protection at -50 °C
Litres
water
Weight
kg
Litres
water
CaCl
2
kg
Total
weight
kg
Litres
water
CaCl
2
kg
Total
weight
kg
Litres
water
CaCl
2
kg
Total
weight
kg
18.4R34 361 361 337 61 398 310 130 440 293 176 469
16.9R38 317 317 296 53 349 272 114 386 257 154 411
18.4R38 390 390 364 66 430 335 140 475 317 190 507
20.8R38 509 509 475 85 560 436 183 619 413 248 661
460/85R38 390 390 364 66 430 335 140 475 317 190 507
480/70R38 337 337 314 57 371 289 121 410 273 164 437
520/85R38 509 509 475 85 560 436 183 619 413 248 661
20.8R42 633 633 591 106 697 543 228 771 514 308 822
520/85R42 633 633 591 106 697 543 228 771 514 308 822
14.9R46 303 303 - - - 257 108 365 246 147 393
18.4R46 325 325 - - - 280 117 397 265 159 423
380/85R46 303 303 - - - 257 108 365 246 147 393
460/85R46 325 325 - - - 280 117 397 265 159 423
NOTE: For any tyres not listed in the above chart, refer to the tyre manufacturers specifications or alternatively see your
Argo Tractors Dealer.
NOTE:This table contains only indicative data. The operator should ballast wheels with water on the base of the tables
issued by the tyre manufacturer and according to the use anticipated for the tractor.
6-30
Tyres - Wheels - Ballasting
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Filling procedure
WARNING: Always use the specific PPE for the opera-
tion concerned.
STEP 1 (Mixing the solution)
WARNING: When you prepare a solution of
calcium chloride to ballast the tyres, NEVER
EVER pour the water on to the calcium chlo-
ride since this could lead to a violent reaction.
This danger can be avoided by adding the
calcium chloride very slowly to the water and
stirring until it has completely dissolved.
Add the correct amount of calcium chloride (CaCl
2
) into
the correct amount of water. See previous charts for the
required degree of protection from freezing.
STEP 2
Raise one side of the tractor and turn the wheel so that
the valve is at the top, see illustration opposite.
STEP 3
Remove the valve core and connect the hand pump.
STEP 4
Measure the amount of solution added to the tyre and
use the figures in the previous charts to calculate the
weight added.
STEP 5
When sufficient weight has been added, remove the
pump. Install the valve core. Inflate the tyres to the cor-
rect pressure.
NOTE: When liquid ballast is used, inflate the tyres 0.14
bar (2 PSI) more than the recommended pressure. This
will compensate for aeration that occurs when the tyre
is in motion.
How to deflate the tyres
Jack up the tyre to be drained and set it with its valve
pointing downwards.
Unscrew the mobile union of the valve and allow the
water to drain from the tyre.
Screw the required union on the valve seat.
Introduce air at a pressure through the union (4).
When all water is drained, remove the union and replace
it with the valve retainer, then inflate the tyre to the
prescribed pressure.
NOTE: Never use ballasting systems differing from the
ones indicated above.
WARNING: Ballasting with water and calcium chlo-
ride antifreeze solution can increase corrosion of the
components that come into contact with the mixture.
1. Air
2. Water entering tyre
3. Water supply
4. Air supply
5. Air vent
Maintenance
7-1
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Section 7
Maintenance
7-2
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
* according to which condition occurs first
Frequency*
Step N.
Maintenance operations
Every 10 hours
(or daily)
VARIABLE MAIN-
TENANCE
1
General tractor inspection
2 Check of fuel level in the tank
3 Check of level in the AdBlue™ reservoir or DEF
4 Check of engine oil level
5 Check of transmission oil level
6 Check of exhaust system tightness, with all post-treatment components
7 Check of coolant level in the expansion vessel
8 Check of water level in the windshield washer reservoir
9 Check and clean cab suspension (if equipped).
10 Clean and grease cab door locks and hinges
11 Cleaning of radiators and heat exchanger grilles (6)
12 Drain the fuel/water separator
15 Check of oil level in axle and front final drives
16 Check front PTO oil level (if equipped)
17 Check of the moving elements of the tow hook (if installed)
18 Check of drawbar bolt torques
19 Check the torque of the trailer hitch bolts (if equipped)
20 Battery - Checking for function
29 Various checks - tyre pressures and torques
36 Check of Auto hitch locking latches & lift rod adjustment (if equipped, depending on market)
WARNING: If you need to open the bonnet, follow the procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the operation concerned.
WARNING: Service operations must be carried out with the engine off. Check that the gear and the parking brake
are both engaged and that the ignition key has been removed.
WARNING: Beware of burns caused by hot tractor and engine parts. [2.n]
ROUTINE MAINTENANCE TABLE
NOTE: Use your own discretion and experience when deciding the actual intervals for variable interval service and main-
tenance operations. Always remember, however, that it is better to carry them out too often than not often enough. These
operations should be carried out daily.
NOTE: always also refer to the general indications in the "General maintenance" pages, at the end of this section.
Maintenance
7-3
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
* according to which condition occurs first
Frequency*
Step N.
Maintenance operations
First 50 work
hours
2 Check of fuel level in the tank
3 Check of level in the AdBlue™ reservoir or DEF
4 Check of engine oil level
5 Check of transmission oil level
6 Check of exhaust system tightness, with all post-treatment components
7 Check of coolant level in the expansion vessel
8 Check of water level in the windshield washer reservoir
9 Check and clean cab suspension (if equipped).
11 Cleaning of radiators and heat exchanger grilles (6)
13 Change fuel pre-filter cartridge (3)
14 Change fuel filter cartridge (3)
15 Check of oil level in axle and front final drives
16 Check front PTO oil level (if equipped)
17 Check of the moving elements of the tow hook (if installed)
18 Check of drawbar bolt torques
19 Check the torque of the trailer hitch bolts (if equipped)
21 Check of fan, compressor and alternator belt.
22 Check brake controls - adjustments
23 Clean cab air filters (1)
24 Clean cab air recirculation filters (1)
48 Check of the ball joints of steering ram (rigid axle)
After the first
150 hours
25 Replace front axle differential and side final drives oil
26 General lubrication (repeat every 100 hours)
27 Grease the front axle (repeat every 100 hours)
30 Grease rear 3-point hitch ( repeat every 100 hours )
31 Grease front 3-point linkage (if equipped) ( repeat every 100 hours )
After the first
250 hours
33 Replace oil filter on the delivery of the steering circuit (2)
7-4
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Frequency*
Step N.
Maintenance operations
At 500 hours
(or after 6
months)
18 Check of drawbar bolt torques
19 Check the torque of the trailer hitch bolts (if equipped)
28 Replace transmission oil filter (on the intake) (2)
32 Replace front PTO oil (if equipped)
33 Replace oil filter on the delivery of the steering circuit (2)
34 Transmission oil replacement
35 Engine oil replacement (4)
42 Engine oil filter replacement
47 Replace AdBlue™ supply pump filter and cleaning filters
49
Check the concentration of additive in the coolant
50
Lubrication of PTO shaft
At 1000 hours
(or after 12
months)
13 Change fuel pre-filter cartridge (3)
14 Change fuel filter cartridge (3)
18 Check of drawbar bolt torques
19 Check the torque of the trailer hitch bolts (if equipped)
25 Replace front axle differential and side final drives oil
32 Replace front PTO oil (if equipped)
33 Replace oil filter on the delivery of the steering circuit (2)
35 Engine oil replacement (4)
37 Replace engine air filter
38 Clean fuel tank
39 Change cab air filters
40
Check of starter motor, alternator and compressor
41 Check function of the operator detector micro-switch
42 Engine oil filter replacement
44 Check of ribbed v-belt tensioning
47
Replace
AdBlue™
supply pump filter and cleaning filters
48 Check of the ball joints of steering ram (rigid axle)
49 Check the concentration of additive in the coolant
50
Lubrication of PTO shaft
* according to which condition occurs first
Maintenance
7-5
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Frequency*
Step N.
Maintenance operations
At 1500 hours
(or after 18
months)
18 Check of drawbar bolt torques
19 Check the torque of the trailer hitch bolts (if equipped)
28 Replace transmission oil filter (on the intake) (2)
32
Replace front PTO oil (if equipped)
33 Replace oil filter on the delivery of the steering circuit (2)
34
Transmission oil replacement
35
Engine oil replacement
(4)
42 Engine oil filter replacement
47 Replace AdBlue™supply pump filter and cleaning filters
49
Check the concentration of additive in the coolant
50
Lubrication of PTO shaft
At 2000 hours
(or after 24
months)
13 Change fuel pre-filter cartridge (3)
14
Change fuel filter cartridge
(3)
18 Check of drawbar bolt torques
19 Check the torque of the trailer hitch bolts (if equipped)
25 Replace front axle differential and side final drives oil
32
Replace front PTO oil (if equipped)
33 Replace oil filter on the delivery of the steering circuit (2)
35 Engine oil replacement (4)
37 Replace engine air filter
38 Clean fuel tank
39 Change cab air filters
40 Check of starter motor, alternator and compressor
41 Check function of the operator detector micro-switch
42
Engine oil filter replacement
43 Engine coolant change
44 Check of ribbed v-belt tensioning
47 Replace AdBlue™ supply pump filter and cleaning filters
48
Check of the ball joints of steering ram (rigid axle)
49
Check the concentration of additive in the coolant
50
Lubrication of PTO shaft
* according to which condition occurs first
7-6
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Frequency*
Step N.
Maintenance operations
At 2500 hours
(or after 30
months)
18 Check of drawbar bolt torques
19 Check the torque of the trailer hitch bolts (if equipped)
28
Replace transmission oil filter (on the intake)
(2)
32
Replace front PTO oil (if equipped)
33
Replace oil filter on the delivery of the steering circuit
(2)
34
Transmission oil replacement
35
Engine oil replacement
(4)
42
Engine oil filter replacement
47
Replace
AdBlue™
supply pump filter and cleaning filters
49
Check the concentration of additive in the coolant
50
Lubrication of PTO shaft
At 3000 hours
(or after 36
months)
13 Change fuel pre-filter cartridge (3)
14
Change fuel filter cartridge
(3)
18 Check of drawbar bolt torques
19 Check the torque of the trailer hitch bolts (if equipped)
25 Replace front axle differential and side final drives oil
32
Replace front PTO oil (if equipped)
35 Engine oil replacement (4)
37 Replace engine air filter
38 Clean fuel tank
39 Change cab air filters
40 Check of starter motor, alternator and compressor
41 Check function of the operator detector micro-switch
42
Engine oil filter replacement
44
Check of ribbed v-belt tensioning
45
Replacement of the ribbed v-belt
46
Replacement of the A/C system filter, mounted into the condenser unit
(5)
47
Replace
AdBlue™
supply pump filter and cleaning filters
48
Check of the ball joints of steering ram (rigid axle)
49 Check the concentration of additive in the coolant
50
Lubrication of PTO shaft
* according to which condition occurs first
Maintenance
7-7
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
NOTES:
(1) In very dusty work conditions, the filters have to be cleaned every day.
(2) The following operations for the transmission oil filters must be carried out not only at the prescribed intervals, but
also whenever the indicator lights on the instrument panel come on.
(3)
During running-in, the fuel filters must be replaced at 50 hours. Then replace at the intervals indicated by the table.
(4) The oil must be changed more frequently (e.g. every 250 hours) if the tractor is used in heavy duty conditions. In such
cases, also replace the engine oil filter each time. Every time the engine oil must be changed, we advise a forced
standstill with the old oil, and only afterward to change it as prescribed.
(5)
The dehydrator filter must be replaced every time the air conditioning system is serviced. In such occasions, check
the oil level in the compressor.
(6) In very dusty work conditions, the cab filters have to be thoroughly cleaned every day.
Frequency*
Step N.
Maintenance operations
At 3500 hours
(or after 42
months)
18 Check of drawbar bolt torques
19 Check the torque of the trailer hitch bolts (if equipped)
28 Replace transmission oil filter (on the intake) (2)
32
Replace front PTO oil (if equipped)
33 Replace oil filter on the delivery of the steering circuit (2)
34 Transmission oil replacement
35 Engine oil replacement (4)
42 Engine oil filter replacement
47
Replace
AdBlue™
supply pump filter and cleaning filters
49 Check the concentration of additive in the coolant
50
Lubrication of PTO shaft
At 4000 hours
(or after 48
months)
13 Change fuel pre-filter cartridge (3)
14
Change fuel filter cartridge
(3)
18 Check of drawbar bolt torques
19 Check the torque of the trailer hitch bolts (if equipped)
25 Replace front axle differential and side final drives oil
32
Replace front PTO oil (if equipped)
33 Replace oil filter on the delivery of the steering circuit (2)
35 Engine oil replacement (4)
37 Replace engine air filter
38 Clean fuel tank
39 Change cab air filters
40 Check of starter motor, alternator and compressor
41
Check function of the operator detector micro-switch
42
Engine oil filter replacement
43 Engine coolant change
44 Check of ribbed v-belt tensioning
47
Replace
AdBlue™
supply pump filter and cleaning filters
48
Check of the ball joints of steering ram (rigid axle)
49 Check the concentration of additive in the coolant
50
Lubrication of PTO shaft
* according to which condition occurs first
7-8
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
RECOMMENDATIONS BEFORE YOU
SERVICE [2.h] [2.n]
CAUTION: Before servicing, carefully read the
instructions in this section. There is a risk of
injury or death if servicing is not carried out or
if the following instructions are not followed
correctly. If you do not understand a service
or adjustment procedure see your dealer.
CAUTION: Do not carry out inspections, main-
tenance work or adjustments on the tractor
whilst the engine is running, except when
specifically requested. Wait for all moving
parts to come to a complete stop.
- If the maintenance operation must be car-
ried out while the engine is hot (e.g. when
changing engine oil), start the engine and let
it idle for the required time, then turn it off
before the maintenance operation.
- If you need to open the bonnet, follow the
procedure indicated under "How to open
the bonnet". In this case beware the risk of
burning and shearing.
- Always use specific personal safety devices
for each service operation.
Before any adjustments are made carry out
the following:
1. Park the tractor on hard level ground and
apply the parking brake.
2. Stop the engine and remove the key.
3. Put blocks in front of and behind the front
and rear wheels.
4. DO NOT smoke or use an open flame during
the service procedure. Use eye protection
and suitable DPI.
WARNING: When handling lubricants (oil, grease etc.)
and other chemical products, always follow instruc-
tions for their proper use. Use proper containers to
collect fluid. Dispose of fluids and filters responsibly
and in accordance with the law. [2.ag]
- Read the safety decals and information decals on this
tractor. Read the operator's manual. Understand the
operation of the tractor before you start servicing.
- Use the correct safety clothing and safety equipment.
If you wear clothing that is too loose or do not use the
correct safety equipment for your job, you can be injured.
Always wear clothing that will not catch on objects.
Extra safety equipment that can be required includes hard
hat, safety shoes, ear protection, eye or face protection,
heavy gloves and reflector clothing.
- Establish where your nearest first aid kit and fire extin-
guisher are located. Undertake suitable training to make
sure you know how the fire extinguisher works.
- Put a warning tag, as shown below, on or near the key
switch before carrying out servicing or repairs to the
tractor. Warning tags (publication number 2-1000) are
available from your dealer.
Environment
NOTE: Always dispose of replaced parts or substances
(filters, oil, battery etc.) according to rules and laws. Refer
to the manufacturer's specifications on the Material Safety
Data Sheet.
- Before you service this machine and before you dispose
of the old fluids, lubricants and filters always consider
the environment.
- DO NOT pour oil or fluids in the ground, down drains or
into containers that can leak.
- Dispose of all old fluids, lubricants and filters in accord-
ance with local regulations.
- Check with your local environmental recycling centre or
your dealer for correct information.
Diesel engine catalytic converter
The catalytic converter for Diesel engines has a catalytic
surface that is able to transform the noxious substances
in the exhaust gases into harmless substances. Carbon
monoxide and unburnt hydrocarbon emissions are caused
to react with oxygen and thus turned into carbon dioxide
and water. Further, nitrogen monoxide is turned into ni-
trogen dioxide. Temperatures of >250°C are required for
high performances.
Plastic And Resin Parts
- Avoid using petrol, paraffin, paint thinner, etc., when
cleaning plastic, e.g. console, instrument cluster, moni-
tors and gauges etc.
- Use ONLY water, mild soap and a soft cloth when you
clean these parts.
- Using petrol, paraffin, paint thinner etc., will cause crack-
ing or deformation of the part being cleaned.
Maintenance
7-9
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Lubrication and maintenance [2.ag]
Foreword
This section described the operations required to correctly
service your tractor and keep it in top condition. The Rou-
tine Maintenance Table serves as quick reference. Each
step is numbered for easier reference.
CAUTION: Park the tractor on flat ground and, if pos-
sible, extend all the cylinders before you check the
oil levels.
Safety Precautions
Read and comply with all the safety precautions in the
“Tractor maintenance” part of the Safety Notes Section.
NOTE: Always dispose of replaced parts or substances
(filters, oil, battery etc.) according to rules and laws. Refer
to the manufacturer's specifications on the Material Safety
Data Sheet.
Sealed units
Do not remove the seals from the following parts:
injection pump and overspeed screw. These seals must
not be removed at any time.
If you need to repair or adjust any of these units, contact
your Argo Tractors Dealer. The warranty is automati-
cally invalidated if these seals are tampered with.
Maintenance of front power take-off
(if equipped)
Periodically throughout the year, additional attention must
be made to the following:
- Check all bolts, screws and fixings etc. are tight.
- Check the PTO gearbox for any leaks. Operating the
Front PTO at low oil levels can cause damage to the
housing, incorrect operation of the PTO clutch and also
damage to the environment.
- Check the condition of the flexible rubber drive cou-
pling, mounted to the crankshaft pulley. Make sure the
coupling is installed correctly and is not brittle.
- Apply grease to the drive shaft spline.
- Every 5 or 10 operation hours, check in the whole power
take-off system that all bolts are perfectly tightened and
there are no leaks in the hydraulic system.
- After 450 hours work, check that all bolts are tightened
to the prescribed torques and there are no leaks in the
hydraulic system. Grease all points periodically with
all grease nipples. Use a universal high grade grease.
Check for any wear or breakage.
Precautions against contact with hot
surfaces
During all maintenance and regulations, be careful not
to touch hot surfaces in the engine and transmission. In
particular, avoid any contacts with hot oil when changing
or filling up oil. If the oil is hot, let it cool down somewhat
before going on.
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot water
and engine parts. [2.n]
CAUTION: do not place any loads on coverings.
7-10
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Running in
Fade-free efficiency and a long working life largely depend
on how the new tractor is treated during the running in
period. It is therefore extremely important to follow these
instructions:
- Your engine does not require any special running in
when new. You can use it at full power from the start,
but you must never overload it. Avoid using the engine
at full power before it reaches an operating tempera-
ture of at least 60°C (140°F).
- Every time you start the engine from cold, let it run
slowly without load for a few minutes to warm up. This
is particularly important with turbo-charged engines.
- Avoid idling the engine for long periods.
- Regularly check for oil leaks.
- To ensure long clutch life, carefully run in the clutch
plates. To do this, operate the clutch frequently but
gradually during the first 15 hours' service (setup with
mechanical reverse shuttle).
After the first 50 hours
During running-in, the fuel filters must be replaced at
50 hours. Then replace at the intervals shown by the
table.
Hydraulic circuit: replace the filter on delivery (open
centre setup) or on the intake (closed centre setup).
Then replace the filters at the intervals indicated by
the table.
• Check clutch pedal travel.
• Check the brake pedal travel.
• Check all oil levels. If necessary, top up with oil of the
prescribed type if required.
• Check the tension of the fan belt.
• Grease all points with grease nipples.
• Check to make sure that all bolts, screws and nuts are
correctly torqued.
• Check the tyre pressures.
How to prevent pollution
To prevent pollution when oil, filters and so forth are
changed, always clean the zone around fill, level and
drain plugs, dipsticks and filters. Before connecting the
auxiliary cylinders, make sure that the oil they contain is
clean, that it has not deteriorated owing to long storage
and that it is of the prescribed type.
Servicing intervals
The intervals suggested in the lubrication and mainte-
nance table are indications to use when the tractor is
used in normal conditions.
These intervals must be adapted to the real environmen-
tal and operational conditions. Servicing must be more
frequent in adverse work conditions (in the presence of
humidity, mud, sand, very dusty environments).
WARNING: If carried out at the prescribed intervals,
the operations described in this section will ensure
that the tractor operates in a regular way. However,
remember to carry out the inspections and adjust-
ments (of variable frequency depending on the envi-
ronmental conditions and type of work carried out)
according to your discretion and experience.
Miscellaneous checks
Periodically check the following components. If faults are
discovered, contact your Argo Tractors Dealer's special-
ised personnel and have the damaged parts replaced if
necessary:
• Hydraulic hoses: the hoses must not be pinched or
cracked. The outer sheath must not be swollen in
any way and there must be no oil leaks between the
hoses and unions.
• Parking brake lever: make sure that the ratchet locking
mechanism is secure and reliable.
• Make sure that all nuts in the wheels are well tightened.
Use suitable instruments, such as a calibrated torque
wrench.
• Tightness of safety frame fixing pins.
• Make sure that all other nuts and bolts are well tightened.
• Make sure that the bolts on rear couplings are well
tightened.
Indicator lights
Your tractor is equipped with indicator lights that keep
you informed about the condition of your machine. Some
of these indicate faults, so act promptly if they come on.
Fuel injection pump
Only your Argo Tractors Dealer's specialised personnel
may be allowed to work on the injection pump during
the warranty period. Removal of the seals from the pump
will relieve the manufacturer from all and every liability in
relation to warranty coverage.
Keeping the environment clean
When you need to fill the fuel tank or change the lubricant
oil, never forget to position a vessel under the component
in question in order to collect any fuel or oil that spills
out. These products are polluting, so it is very important
to protect the environment in this way.
Engine cooling system
It is advisable to replace the fluid in the system at least
every two years even if you have not reached 1000 hours
service in total.
Radiator
To ensure that the cooling circuit operates in a perfect
way, it is important to prevent the radiator fins from be-
coming clogged.
NOTE: These fins must be cleaned often, even several
times a day if the place of work is particularly dusty.
Maintenance
7-11
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Lubrication [2.ag]
Before carrying out any maintenance operations on your
tractor, e.g. lubrication by means of greasing points,
always abide by the safety precautions here under pre-
scribed.
WARNING: Service operations must be carried out with
the engine off. Check that the gear and the parking
brake are both engaged and that the ignition key has
been removed. [2.c] [2.ag]
WARNING: Always use the specific PPE for the opera-
tion concerned.
Beware of burns caused by hot water and engine
parts. [2.n]
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
Before lubricating any parts provided with grease nipples,
carefully clean the surfaces of the nipples and make sure
that their seal ball moves freely.
After the lubrication, remove any trace of grease to avoid
it to collect dirt or dust.
NOTE: the greasing point may be protected by a coloured
cap. Replace it if worn or damaged.
General tractor inspection
WARNING: when inspecting the area of the three-point
hitch and of the trailer brake hitch, e.g. to view how the
connected implements are operating, it is mandatory
to keep a safety distance from these organs. No opera-
tion must be carried out that can be dangerous for
you or any other bystander. Maximum priority should
be given to the safety of all persons near the tractor.
WARNING: Always use the specific PPE for the opera-
tion concerned.
- Power steering cylinder hoses: the hoses must not be
pinched or cracked. The outer sheath must not be swol-
len in any way and there must be no oil leaks between
the hoses and unions. [2.i]
- Check for leaks, rubbing, squeezed or damaged hoses,
loose nuts or bolts and dirt build up. Repair all leaks,
hoses and tighten loose nuts/bolts before operation. [2.i]
- Parking brake lever: make sure that the ratchet locking
mechanism is secure and reliable.
- Check for loose nuts, bolts and components.
- Use a calibrated torque wrench to make sure that the
wheel nuts are correctly torqued.
- Check to make sure that all other nuts and bolts are
well tightened.
- Make sure that all shields and guards are in the correct
position.
- Check all wiring for damage. If damaged, contact your
authorised Argo Tractors Dealer for the genuine Argo
Tractors spare parts.
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: Service operations must be carried out
with the engine off. Check that the gear and the park-
ing brake are both engaged and that the ignition key
has been removed.
WARNING: Beware of burns caused by hot tractor and
engine parts. [2.n]
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
7-12
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Lubricants and fuels [2.l]
CAUTION: Comply with the following instruc-
tions when working with diesel fuel.
Do not smoke near diesel fuel. In no case must
petrol (gasoline), alcohol or mixtures of diesel
fuel or alcohol be added to the diesel fuel as
such action would notably increase the risk of
fire outbreaks or explosions. In a closed ves-
sel, such as a can, they are even more explosive
than pure petrol (gasoline).
- Never use such mixtures. Moreover, mixtures
of diesel fuel and alcohol are not approved
since the lubrication of the fuel injection sys-
tem would be impaired.
- Clean around the plug where the fuel is
poured and keep it clean.
- Fill the tank at the end of the day to prevent
the building up of overnight condensation.
- Never remove the plug or fuel the tractor
whilst the engine is running. Keep control of
the pump nozzle whilst the tank is being filled.
- The tank must not be completely filled. - Al-
low space for an increase in volume. If the
original tank plug is lost, it must be replaced
with an original spare which must be fully
tightened.
- Dry up any fuel spill immediately.
Fuel requisites
It is important to use good quality fuel if the engine is to
be long-lasting and give a good performance. Fuel must be
clean, well refined and non-corrosive for the fuel system
components. Make sure that you use fuel of a known
quality and reliable origin.
Fuelling
Before you fuel the tractor, clean the zone around the fill
plug to prevent foreign matter from entering the tank. After
fuelling, screw on the plug and tighten it well.
CAUTION: Do not smoke while filling the
fuel tank.
Keep clear of any sort of flames.
Diesel fuel
WARNING: Only use a Diesel fuel with a low sulphur
content. Otherwise you could experience a reduction in
engine power and an increase in fuel consumption (Fig.
7-2b).
Fig.7-2b
Fig.7-2
NOTE: Never use galvanised containers to store fuel.
Fuel
For a good operation of the injection system, always use
a high grade diesel fuel.
Diesel fuel must contain no suspended impurity. Therefore
the fuel must be allowed to settle for two or three days
before being used in the tractor.
Fuel oil can be decanted with a cheap, but safe system,
as illustrated in (Fig.7-1).
Never use fuel that has been stored in an open container
for any amount of time, as it could be polluted by water
or dust.
The fuel tank must be filled in the evening at the end of the
day's work. This will avoid water condensation in the tank.
Plan your fuel purchases so that summer fuels are not
kept for too long and used in the winter.
Fig.7-1 Setting up a tank for fuel storage and decant-
ing.
a. 25% slant.
b. Condensation water.
c. Sludge drain plug.
Maintenance
7-13
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Engine oil specifications
Modern Diesel engines set very high requirements to
lubricants. Specific performances of engines increased
constantly in the last years, thus dictating a higher
thermal stress on oils. Further, following to reduced oil
consumption and higher replacement intervals, lubricants
are prone to a higher pollution. Therefore it is necessary
to follow the requirements set in this operation manual
and to respect its recommendations in order not to affect
engine duration.
Lubricants are always composed by a basic oil and addi-
tives. The main functions of a lubricant (protection from
wear and corrosion, neutralisation of acids produced by
combustion, prevention of coke and soot formation on
engine components) are carried out by these additives.
The characteristics of the basic oil are also a crucial index
of product quality, e.g. for what concerns thermal load.
Essentially, all engine oils that have the same specifica-
tions can be mixed with each other. It is better, however,
to avoid mixing oils, as the worst characteristics of the
mix will predominate.
Lubricants approved by Argo are accurately tested for
each engine type. Their additives are matched very care-
fully. Therefore, no other additives may be used for engine
lubricants.
The quality of a lubricant greatly affects engine duration,
performances and therefore economy. The following is
substantially true: the better the quality of the lubricant,
the better these characteristics will be.
The viscosity of a lubricant describes how it flows depend-
ing on temperature. The viscosity only slightly affects the
lubricant's quality.
Synthetic lubricants are the most used and offer specific
advantages. They are stabler against temperature and
oxidation, and their cold viscosity is relatively low. As a
few procedures are important to calculate the intervals
at which the lubricants should be replaced, and are es-
sentially dependent on the lubricant quality (e.g. pollution
by soot and other materials), this interval should not be
increased beyond the indications, even if synthetic lubri-
cants are used.
Biodegradable lubricants may be used on engines if they
meet the requirements of this manual.
Change intervals for lubricant oil
The intervals depend on:
lubricant quality
Fuel sulphur content
Engine usage
The change interval should be reduced by a half when
at least one of the following conditions is present:
permanent ambient temperature below -10 °C (14 °F)
or lubricant temperature under 60 °C (84 °F).
Sulphur content in Diesel fuel >0,5 on % in its mass.
If such change intervals are not reached in a year, the
oil change should be carried out at any rate at least
once a year.
Viscosity
To select the right viscosity class, the ambient tempera-
ture in the installation seat or the environment where the
tractor is used is critical. An excessively high viscosity can
cause a difficult ignition, while an excessively low viscos-
ity can put the lubricant effect at risk and cause a high
consumption of lubricant. If ambient temperatures are
lower than -40 °C, the lubricant should be pre-heated (e.g.
if the vehicle or the work machine are sheltered in a barn).
Viscosity is classified according to SAE. As a matter of
principle, all-purpose lubricants should be used. In en-
closed and heated environment, where temperature is
over 5 °C, the use of univalent lubricants is also allowed.
NOTE: To select the required viscosity class, it is manda-
tory to comply with the lubricant quality as prescribed or
recommended by your Argo Tractors Dealer.
Depending on ambient temperature, the following usual
viscosity classes are recommended (Fig. 7-3):
7-14
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.7-3
Maintenance
7-15
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Approved fuels
In order to comply with the rules concerning emissions,
Diesel engines provided with an exhaust gases treatment
system may be operated only with a Diesel fuel free of
sulphur.
Both the operation safety and the duration of each system
of exhaust gases post-treatment are not guaranteed in
case of not compliance.
Exhaust gas post-treatment systems
DOC Diesel engine catalytic converter
Fuels with the following specifications are allowed:
Diesel fuels
EN 590
Sulphur < 10 mg/kg
– ASTM D 975 Grade 1-D S15
– ASTM D 975 Grade 2-D S15
Sulphur < 15 mg/kg
Light fuel oils – EN 590 quality
Sulphur < 10 mg/kg
The warranty becomes null and void if fuels not meeting
this operation manual are used. Certification measure-
ments to comply with the law limits are carried out with
test fuels defined by law. Such fuels match the ones de-
scribed in this manual and refer to standards EN 590 and
ASTM D 975. For other fuels mentioned in this manual
the emission values cannot be guaranteed.
Use the fuels prescribed by law to comply with national
indications on emissions (e.g. sulphur content).
Contact your Argo Tractors Dealer.
Winter operation with Diesel fuel
For winter operation, special requirements are required
for cold operation (limit filterability temperature). In winter,
suitable fuels are available at service stations.
CAUTION: In Common-Rail DCR® DEUTZ
injection engines no addition with petrol or
other additives is allowed to guarantee fuel
fluidity.
At low ambient temperatures the fuel system could be-
come clogged by paraffin precipitations, that could cause
malfunctions. When outside temperatures drop under 0
°C (up to -20 °C) a winter fuel must be used, available at
service stations since the beginning of the winter season.
In regions with an Arctic climate, with temperatures up
to -44 °C, special Diesel fuels should be used.
NOTE: For information concerning the use of suitable
fuels depending on climatic conditions of operation, refer
to your Argo Tractors Dealer.
AdBlue™ or DEF
WARNING: Only use a good quality AdBlue™ or DEF
fluid (for quantity of AdBlue™ or DEF fluid, refer to the
guidelines of DIN 70070).
The use of a poor quality AdBlue™ or DEF fluid could cause
severe engine malfunction.
7-16
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
In general
WARNING: Never operate the engine without
coolant, not even for a short time!
In water cooled engines, the coolant must be prepared
and checked to avoid damages to the engine due to:
corrosion
cavitation
freezing
overheating
Quality of the water
For coolant fluid treatment, the correct water quality is
crucial. Essentially, clean water must be used that com-
plies with the following analysis values:
Analytic values min max ASTM
pH value 6.5 8.5 D 1293
Chlorine (Cl)
[mg/l] - 100 D 512
D 4327
Sulphate (SO
4
) [mg/l] - 100 D 516
Total hardness
(CaCO
3
)
[mmol/l] 3.56 D 1126
[mg/l] 356
[°dGH] 20.0 -
[°e] 25.0
[°fH] 35.6
Data on water quality are supplied by local public utilities.
In case of variances from analysis values, water should
be treated.
pH too low
Add diluted caustic soda or caustic potash. A few test
mixes should be carried out.
Total hardness too high:
mix with softened water (neutral pH condensation or
water softened by means of ion exchangers).
Too high values of chlorides or sulfates:
mix with softened water (neutral pH condensation or
water softened by means of ion exchangers).
Protective agent for the cooling sys-
tem
DANGER: Whenever nitrite-based protective
agents for the cooling system should be mixed
with amine-based products, nitrosamines are
formed that are dangerous for the health!
NOTE: Protective agents for the cooling system must be
disposed of with respect for the environment. Comply with
the safety data sheet indications.
Coolant treatment for liquid cooled compact engines is
carried out by mixing an antifreeze liquid with ethylene
glicol based corrosion inhibitors and water.
This protective agent for the cooling system contains no
nitrites, amines or phosphates and perfectly suits the
materials of our engines.
If this protective agent is not readily available, please refer
to your Argo Tractors Dealer.
The cooling system must be checked at regular intervals.
Besides checking the coolant level, such checks also
include the concentration of the cooling system protec-
tive agent.
Percentage of
protective agent
for the cooling
system
Water percent-
age
Protection from
cold up to
min. 35 % 65 % -22 °C
40 % 60 % -28 °C
45 % 55 % -35 °C
max. 50 % 50 % -41 °C
In case of temperatures below -41 °C, refer to your Argo
Tractors Dealer.
Use of other protective agents (e.g. chemical anti-corro-
sion agents) is only allowed in exceptional cases. Refer
to your Argo Tractors Dealer.
Maintenance
7-17
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
AdBlue
(urea solution AUS 32)
NOTE: The urea solution AUS 32 is known in the US and
North America with the name Diesel Exhaust Fluid (DEF).
CAUTION: always wear protective gloves and
goggles while using AdBlue
.
Do not ingest. Ensure a good ventilation.
Ensure a proper cleaning. AdBlue
rests mus
be disposed of according to rules.
Comply with the safety data sheet indications.
AdBlue™ is a 32.5% urea solution in water, of high pure-
ness level, used as a NOX reduction agent in the SCR
post-treatment of exhaust gases in Diesel engines.
The product denomination is AdBlue™ or AUS 32 (AUS:
from the English name Aqueous Urea Solution) and it
complies with the DIN 70070, ISO 22241-1 or ATSTM D
7821 rules.
Storage conditions may affect the good quality of Ad-
Blue™ in time.
It crystallizes at -11 °C and sparks off a hydrolisis reaction
at +35 °C, that is it slowly decomposes in ammonia and
carbon dioxide.
Direct sun radiation on containers without any protections
must be absolutely avoided.
The containers must non be stocked for longer than a year!
Protect the used materials and of the AdBlue™ contain-
ers in stock.
AdBlue™ freezes up at an ambient temperature of -11 °C.
When ambient temperature is below -11 °C it is required
a pre-heating of the selective catalytic reduction system.
The AdBlue™ reservoir may only be filled up with Ad-
Blue™. Filling up with different liquids can damage the
system.
In this case, the dosing pump will require replacement.
AdBlue™ should remain in the reservoir for no longer
than 4 months.
Keep a note of this.
In case of a long idle period, drain all AdBlue™ from the
reservoir and clean it.
Contact your Argo Tractors Dealer.
7-18
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Exhaust gas post-treatment system
Fig.7-4 - Purely indicative image, not comprehensive of all possible cases
Example:
1. Coolant tubed
For AdBlue™ reservoir pre-heating
2. AdBlue™ reservoir
3. Electromagnetic valve
4. Engine controller
5. AdBlue™ supply pump
6. Catalyzer of the selective catalytic reduction (SCR)
7. NOx sensor
8. Meter
9. Pressure transducer
10. Pressure transmitter
11. Diesel engine catalytic converter
12. Coolant tubed
To cool the meter
13. AdBlue™ tubes
Maintenance
7-19
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Selective catalytic reduction
(Selective Catalytic Reduction)
After complete shut-off (even of the inertial functions) and
provided the following requirements are complied with,
the SCR system may be left idle for 4 months maximum.
In case of a long idle period, the tractor or the engine
must be sheltered, e.g in a garage or a barn.
Fill up the AdBlue™ reservoir completely. The water
contained in AdBlue™ must not evaporate.
Do not disconnect electrical or hydraulic couplings.
Max. storing duration at -40 °C to 40 °C, 2 months.
Max. storing duration at -40 °C to 25 °C, 4 months.
If the above mentioned idle period of 4 months is ex-
ceeded, proceed as follows:
• AdBlue™
– Drain the reservoir.
– Fill up the reservoir with fresh AdBlue™.
– Replace the filtering element in the supply pump.
Heat the engine up to the operation temperature and
load it up to pressure increase and to AdBlue™ meter-
ing.
If an error is detected:
• Stop the engine.
Wait for the inertial period of EDC (Electronic Diesel
Control).
If required, carry out this procedure repeatedly.
If the problem still is not solved, ask your authorised
Argo Tractors Dealer.
7-20
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Filling with AdBlue™ or DEF
(Fig. 7-5a)
WARNING: avoid any contacts with your eyes, skin
or garments.
If ingested. If a great amount of the fluid is ingested,
seek immediately medical help. DO NOT induce vom-
iting it not expressly indicated by medical personnel.
Do not administer liquids to an unconscious person.
In case of contact with your skin, wash with plenty of
water and remove the contaminated garments..
In case of contact with your eyes, wash immediately
with plenty of water. In case of rash, seek medical help.
If gases should be inhaled, go immediately in the open
air and seek medical help, if necessary.
Avoid any contacts of AdBlue™ or DEF with other
chemicals.
Do not drain AdBlue™ or DEF spills into the sewers.
Fig.7-5a
AdBlue™ filling up
CAUTION: Only fill up when the engine at a
standstill.
Only fill up with AdBlue!
Any other fluid (e.g. diesel fuel), though in a
small quantity, will damage the system.
If a different fluid was introduced, e.g. diesel
fuel, and it reached the system, the whole
AdBlue injections system must be replaced!
If the fluid (e.g. diesel fuel) did not reach the
tubes or the supply pump or metering module,
it will enough to drain and carefully clean the
AdBlue reservoir.
Ensure a proper cleaning.
Maintenance
7-21
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fuel tank filling [4.1.l]
(Fig. 7-5b)
WARNING: before filling fuel, always turn off the
engine.
CAUTION: Never smoke while refuelling. Keep
away from naked flames.
Fig.7-5b
7-22
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Master Disconnect Switch [2.aa]
Use the master switch (1) to disconnect supply of the
battery to the electrical systems of the tractor when dis-
mounting. IT IS OBLIGATORY to disconnect the battery
during maintenance.
Remove the key from the ignition block to prevent unau-
thorized use or accidents.
IMPORTANT: Do not use the master disconnect switch
(1) to STOP the engine, or the machine controllers will be
damaged. The engine would not stop anyway. For safety,
the battery is not disconnected when the engine is running.
Even if not actually required, it is advisable to insulate the
machine electric system at the end of each work day by
means of the master disconnect switch. This operation
increases safety and prolongs battery life.
NOTE: The master disconnect switch must be used for any
operation on the electric system. It is at any rate OBLIGA-
TORY to disconnect the battery completely if welding is
carried out on the machine.
IMPORTANT: In case of fire, immediately detach the
cable from the positive terminal or, if equipped, operate
the master disconnect switch.
The master disconnect switch disconnects the battery
from the tractor electric system.
The master disconnect switch (1) can only be activated
with the ignition key in the OFF position.
CAUTION: Before any maintenance opera-
tions, always disconnect the battery by means
of the master disconnect switch and remove
the terminals from the battery. [2.l]
If the tractor is not used for a long time, it is
advisable to disconnect the battery.
WARNING: When the engine is running, the battery
cannot be disconnected by means of the master dis-
connect switch.
This switch has two positions:
Position A (knob turned clockwise): battery connected,
all systems are supplied
Position B (knob turned anti-clockwise): battery discon-
nected. Only the following items are powered: instru-
ment cluster (clock inner memories), courtesy light in
cab, radio inner memories, transmission diagnostic
sockets, electronic master disconnect switch circuit
Maintenance
7-23
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig.7-7
Access for inspection and mainte-
nance
It may be necessary to open the bonnet in order to ac-
cess the engine components and carry out inspections,
lubrication and servicing operations.
DANGER: Danger of shearing. Open the
bonnet and remove the side panel only for
servicing, with engine off and rotating parts
completely at standstill.
CAUTION: All the surfaces inside the bonnet
are hot. High burning danger. Be extremely
careful and wait for the surfaces to cool down
before operating inside the bonnet to avoid
burns. [2.n]
CAUTION: In a few particular cases some serv-
ice operations may require an open bonnet.
Always turn off the engine, as with an open
bonnet the protection from rotating parts is
reduced. In this case, pay also great atten-
tion to hot parts. Wear specific DPI and keep
away any persons not required for the service
operations.
CAUTION: A gas ram controls opening and
closing of the bonnet. Replace the gas ram if
not properly operating to avoid accidental fall
of the bonnet.
CAUTION: if the tractor is equipped with front-
end hitch and power take-off, before open-
ing the bonnet lower the links completely,
whether there are implements or not.
Bonnet opening
Park the tractor on hard, level ground, engage the first
gear, engage the parking brake, turn the engine off and
remove the ignition key from the dashboard. Put the key
away in a safe place, not accessible to children and not
authorised persons.
To open the bonnet:
- Insert the tool (1-Fig. 7-6) in the front slit in the right side
of the bonnet.
- Press and release the locking mechanism.
- Raise the bonnet (1) that is kept raised by the gas ram
(2-Fig.7-7).
- To shut the bonnet again, lower the bonnet against the
resistance of the gas ram (Fig.7-5).
CAUTION: NEVER use the tractor without the
bonnet.
Fig.7-6
7-24
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Tool Box
The tool box (1) (if provided) is placed on the outer right
side, just beneath the ladder.
The tool box can be removed by removing the retaining
pin, located at the centre back of the tool box. Lift the
toolbox and pull it out.
The tool box position may vary according to tractor model.
Maintenance
7-25
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 1
General tractor inspection
Visual inspection
Power steering cylinder hoses: the hoses must not
be pinched or cracked. The outer sheath must not
be swollen in any way and there must be no oil leaks
between the hoses and unions. [2.i]
Hydraulic circuits tubes. Check for leaks, rubbing,
squeezed or damaged hoses, loose nuts or bolts and
dirt build up. Repair all leaks, hoses and tighten loose
nuts/bolts before operation. [2.i]
Parking brake lever: make sure that the ratchet locking
mechanism is secure and reliable.
Check for loose nuts, bolts and components.
Use a calibrated torque wrench to make sure that the
wheel nuts are correctly torqued.
Check to make sure that all other nuts and bolts are
well tightened.
Make sure that all shields and guards are in the cor-
rect position.
Daily checks on the engine
Before starting the tractor, it could be best practice to carry
out a series of simple checks that could effectively prevent
even serious malfunctions during tractor's operation.
Check levels and any leaks in fuel, coolant and lubrica-
tion systems.
Inform the service personnel if any problem is found.
Top up where necessary.
When the engine is started and running, carry out the
following checks:
Check for any leaks in fuel, coolant and lubrication
systems.
Make sure there are no unusual noises and knocks
during operation.
Use the vehicle instruments to control the allowed
values of pressure, temperature etc.
Visual check of fumes (colour of exhaust gases).
Visual check of the coolant fluid level in the coolant
recovery reservoir.
VARIABLE MAINTENANCE (every 10 hours or daily)
WARNING: If you need to open the bonnet, follow the procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the operation concerned.
WARNING: maintenance operations must be carried out when the engine is off. Make sure the parking brake is
engaged and remove the ignition key. Put it away in a safe place, not accessible to children and not authorised
persons.
WARNING: Beware of burns caused by hot tractor and engine parts. [2.n]
Check tyre pressures
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot tractor
and engine parts. [2.n]
To check air pressure in tyres, refer to section 6 in this
manual.
Check tightening and conditions of
the auxiliary organs belt
Only operate if the engine is not running and not hot, to
avoid burning.
Check the belt for tears, evident wear or soiling by
lubricants or fuels. Replace the belt if this is the case.
Use a ½ inch wrench with square connection to check
the automatic belt stretcher operation.
CAUTION: when the engine is off, but still hot,
the belt can start moving without a warning.
Wait for the engine temperature to drop to
avoid any risk of serious injuries.
Check the conditions of the exhaust
pipe
Visually check that the exhaust system is not clogged,
corroded or damaged. In case of faults, carry out the
required steps to restore the exhaust system.
Wheel nuts tightening check
Every time the wheels are removed and fit back again,
and at regular intervals, it is important to control toe-in of
the wheels and the tightening of nuts.
Use a calibrated torque wrench to check the tightening.
Intervals:
- First check within the first 10 work hours.
- First check after the first 50 work hours.
- Third check and further checks every 500 work hours.
NOTE: If particularly heavy works are carried out, the
checks of wheel nuts tightening should be carried out
more frequently than every 500 hour work.
The torque values are indicated in section 6 of this manual.
7-26
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 2
Check of fuel level in the tank
WARNING: Always use the specific PPE for the opera-
tion concerned.
Fill the fuel tank at the end of each day after work has
been completed to prevent condensation in the fuel tank.
Diesel fuel
Use a high grade diesel fuel. The use of a low grade
fuel will result in loss of engine power and high fuel
consumption.
IMPORTANT: Different grades of diesel fuel are required
for summer and winter operations. Ask your Argo Tractors
Dealer for winter fuel requirements in your area.
CAUTION: Never refuel the machine when the
engine is hot or running. Never smoke while
refuelling.
CAUTION: Engine fuel is flammable and can
cause a fire or an explosion. DO NOT fill the
fuel tank or service the fuel system near an
naked flame, welding, burning cigars, ciga-
rettes etc.
CAUTION: Hydraulic oil or diesel fuel leaking
under pressure can penetrate the skin and
cause infection or other injury. To prevent
injury: release all pressure, before disconnect-
ing fluid lines. Before applying pressure, make
sure all connections are tight and components
are in good condition. Never use your hand
to check for suspected leaks under pressure.
Use a piece of cardboard or wood for this
purpose. If injured by leaking fluid, see your
doctor immediately.
Maintenance
7-27
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 3
Check of level in the AdBlue™ reser-
voir or DEF
In order to comply with laws concerning emissions from
exhaust gases, electronic engines are equipped with SCR
(Selective Catalytic Reduction).
To reduce emissions, a fluid made up of AdBlue™ or DEF
at 32,5% must be injected into the exhaust gases. When
gases enter the catalytic converter, this fluid causes a
chemical reaction that splits up noxious gases into nitro-
gen and water vapour.
The fluid is contained in the reservoir with a blue cap (1)
beside the fuel tank. The system is provided with a control
unit for fluid injection into exhaust tubes.
Check level of AdBlue™ or DEF fluid in the reservoir and
fill up through the blue cap (1), if required, to prevent an
empty reservoir.
The fluid percentage on fuel consumption is 2 to 5%.
Therefore the reservoir needs a new filling every 2 fillings
of the fuel tank.
The absence of fluid causes a power reduction and if the
worked is carried on without fluid injection, the control
unit finally stops the engine.
The instrument cluster displays the percentage of AdB-
lue™ or DEF fluid in the reservoir, and an indicator light
signals when the level is too low. Top up immediately with
the fluid specified in the Lubricants and Fuels chart. An
indicator light in the instrument cluster comes on in case
of a fault in the fluid injection system. See the Instruments
and programming section in this manual for more details.
For storing AdBlue™ or DEF fluid, follow the instruc-
tions of the fluid manufacturer and ask your Dealer
if you need more information. As AdBlue™ or DEF
fluid hardens at -11°C and decomposes quickly at
temperatures over 35°C, the fluid must be stored in a
sheltered place, out of direct sunlight and must not be
stored for a long time at temperature below -11°C or
over 35°C. Always handle this fluid carefully and only
with dedicated objects, clean and made of materials
complying with the technical sheet of the fluid you
are using. AdBlue™ or DEF is a clear fluid, not toxic
and not dangerous when handled. Not explosive, not
flammable, not dangerous for the environment. If your
hands come into contact with AdBlue™ or DEF, just
rinse with water, Do not pour AdBlue™ or DEF on the
ground, as the surface can become slippery. In case
of spills, rinse with water.
CAUTION: Never fill up AdBlue™ or DEF when
the engine is hot or running. Do not smoke
during refilling.
CAUTION: DO NOT fill the AdBlue™ or DEF
reservoir or service the system near a naked
flame, during welding, near burning cigars,
cigarettes etc.
CAUTION: Fluids leaking under pressure can
penetrate the skin and cause infection or other
injury. To prevent injury: release all pressure,
before disconnecting fluid lines.
Before applying pressure, make sure all con-
nections are tight and components are in good
condition. Never use your hand to check for
suspected leaks under pressure. Use a piece of
cardboard or wood for this purpose. If injured
by leaking fluid, see your doctor immediately.
CAUTION: WARRANTY for the AdBlue™ or DEF
fluid injection system.
A warranty on the AdBlue™ or DEF injection
system is granted only if a SYNTHESIS PROD-
UCT or equivalent is used. In no case is a war-
ranty granted if dissolved products are used
(urea prills dissolved in demineralised water),
because these products contain additives that
can cause early clogging of the catalytic con-
verter. Use EXCLUSIVELY the fluid indicated
by the fuel and lubricants table or equivalent.
CAUTION: never pour AdBlue™ o DEF into
the diesel fuel tank and, on the other hand,
never pour diesel fuel or lubricating oil into
the AdBlue™ or DEF tank.
7-28
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
AdBlue™ or DEF - What is to do
Use exclusively the original synthetic product.
- Use exclusively suitable, dedicated and clean
equipment to supply and store the fluid.
Always keep the handling equipment for AdBlue™
or DEF clean and preserved from dirt and dust.
Only pour AdBlue™ or DEF into its own reservoir.
If your hands come into contact with AdBlue™ or
DEF, just rinse with plenty of water.
AdBlue™ or DEF - What is not to do
Do not expose the product to direct sunlight.
Avoid longer exposure to temperatures over 35°C
or below -11°C.
Do not pour AdBlue™ or DEF into the fuel tank.
Do not pour diesel fuel into the AdBlue™ or DEF
reservoir.
Do not mix the product with other substances or
dilute it with water.
Do not pour AdBlue™ or DEF onto the ground
as the surface could become slippery. In case of
spills, rinse with water.
Maintenance
7-29
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 4
Check of engine oil level
During all maintenance and regulations, be careful not
to touch hot surfaces in the engine and transmission. In
particular, avoid any contacts with hot oil when changing
or filling up oil. If the oil is hot, let it cool down somewhat
before going on.
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot water
and engine parts. [2.n]
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
CAUTION: Do not service a running engine!
Do not smoke and avoid any naked flames!
Beware of hot lubricant. Danger of burns!
NOTE: During any service on the lubricating system,
ensure best cleanliness. Carefully clean the areas around
each components you are servicing. Dry wet points with
of a compressed air jet. For lubricants handling, comply
with safety rules and local specific safety practices.
Dispose of spilt lubricant and filter elements according to
rules. Do not pour lubricants on the soil.
Carry out a test cycle after each servicing. In this occasion,
make sure there are no leakages, check the lubricant pres-
sure, then also check the lubricant level.
CAUTION: The engine could be damaged if the
lubricant level is either too low or too high.
Check oil level only with the engine in a hori-
zontal position and not running. The oil level
should be checked when still hot, 5 minutes
after stopping the engine. [2.n]
CAUTION: Beware of hot lubricant. Danger
of burns!
Do not remove the dipstick while the engine
is running. Danger of injury! [2.n]
Remove the dipstick (1) and wipe it with a clean, lint-
free cloth.
Push down the oil dipstick (1) until it stops.
Remove the dipstick (1) again and read the oil level.
Oil level must always be between the MIN and MAX
marks! If required, top up to the MAX mark.
Never fill up to a level higher than the MAX mark on the
dipstick.
WARNING: Never ever use the engine with the oil level
below the “MIN” mark.
7-30
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 5
Check of transmission oil level
WARNING: Always use the specific PPE for the opera-
tion concerned. beware of burns caused by hot tractor
and engine parts. [2.n]
CAUTION: When working on steep slopes, oil level
in the transmission MUST BE AT LEAST AT THE
MAXIMUM LEVEL indicated by the dipstick (1).
Otherwise, top up with oil of the specified type
through the plug (2).
Check at regular intervals the oil level in the gearbox and
in the hitch and steering circuits.
Park the tractor on flat ground, with the engine at standstill
and lower the hitch links. Remove the dipstick (1) and
check the oil level.
NOTE: Allow the oil to settle in the gearbox and rear final
drives before checking the level.
The oil level in the gearbox must be over the midline, be-
tween the minimum and maximum marks of the dipstick:
If needed, fill up through the filler (2) to the required level
with oil of the prescribed type.
When operating external hydraulics, such as hydraulic
front loaders, rams, motors etc. that require a certain
amount of oil, top up the oil level to ensure a correct oil
level in the transmission at any time (refer to the lubricants
and fuels table in the section 9 of this manual).
NOTE: in no case the level should drop under the Min.
mark: when using external hydraulic circuits, the oil level
must always be between the min. and max. marks.
NOTE: When working with the tractor on slopes, add 5
extra litres of oil to guarantee a minimum oil level even in
the most difficult conditions. Refer to your Argo Tractors
Dealer.
NOTE: The hydraulic rams of the implements being
hitched to the tractor contain the same oil used in the
transmission of the tractor. This excludes any oil contami-
nation that could cause malfunction.
Oil in the gearbox
The tractor's gearbox and the steering and hitch circuits
contain the same type of oil (refer to the Lubricants and
Fuels table in the section 9 of this manual).
Maintenance
7-31
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 6
Check of exhaust system tightness,
with all post-treatment components
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: Beware of burns caused by hot tractor and
engine parts. [2.n]
The SCR system on this tractor continuously reduces the
nitrogen oxide (NOx) produced by the engine.
A reduction agent such as AdBlue™ or DEF that is injected
into the SCR catalyzer reacts with the nitrogen oxide
(NOx) emissions in the exhaust gases and reduces them
to nitrogen (N2) and water (H2O).
The injected quantity of AdBlue™ or DEF is controlled by
the electronic engine controller.
AdBlue™ or DEF is injected in the SCR system by the
Supply Module (1).
The SCR system is monitored to check for any crystal-
lization.
As soon as a crystallization is detected, a regeneration
request at standstill (“Standstill”) will come up.
This is required to the operator by the coming up of a
dedicated indicator light in the instrument panel.
The standstill procedure must be manually activated by
the operator that pushes on a specific button (1).
The required standstill procedure should be carried out
as soon as possible.
If the standstill procedure is not promptly carried out, the
engine controller will activate the preset engine protection
functions (for further information on engine “Inducement”
protection levels, refer to section 4 in this manual).
Every standstill procedure will dilute the engine oil with
fuel to a little extent. Therefore the number of the standstill
procedures will be monitored by the engine electronic
management system.
WARNING: during the standstill procedure, at the end
of the exhaust tube a temperature of about 600°C is
possible.
During the standstill procedure a special engine opera-
tion state is activated and the machine cannot be used.
Danger of burns!
1
7-32
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 7
Check of coolant level in the expan-
sion vessel
(Fig. 7-8)
During all maintenance and regulations, be careful not
to touch hot surfaces in the engine and transmission. In
particular, avoid any contacts with hot oil when changing
or filling up oil. If the oil is hot, let it cool down somewhat
before going on.
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot water
and engine parts. [2.n]
CAUTION: NEVER remove the plug from the
radiator while the engine is still hot. Always
unscrew the plug slowly by one position and
allow the pressure to drop before you loosen
it completely.
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: The concentration of the protective agent
for the cooling system must be the prescribed one!
Never operate the engine without coolant, not even
for a short time!
NOTE: The cooling system protective agents must be
ordered by your Argo Tractors Dealer.
CAUTION: Hot coolant may cause burns! The
cooling system is under pressure! Open the
plug only after the system has cooled down.
For coolants handling, comply with safety
rules and local specific safety practices. [2.n]
Check regularly the coolant level with the engine stopped
and when the coolant is cold. DO NOT REMOVE THE
RADIATOR CAP.
The coolant level must be within the normal cold range
marks stamped on the reservoir (1). If the level is below
the minimum mark, fill the reservoir to the top mark with
correct coolant mixture (this will depend upon market
requirements). Remove the plug (2) and top up.
Precautions against freezing temperatures
To prevent ice from forming in the radiator, add specific
products according to the instructions given by the anti-
freeze manufacturer.
Antifreeze also possesses antioxidant and rust-inhibiting
properties and is suitable for all seasons.
The following amounts are indicatively required:
Percentage of
protective agent
for the cooling
system
Water percent-
age
Protection from
cold up to
min. 35 % 65 % -22 °C
40 % 60 % -28 °C
45 % 55 % -35 °C
max. 50 % 50 % -41 °C
CAUTION: Hot coolant can spray out if the
coolant recovery reservoir cap or radiator cap
is removed while system is still hot. DO NOT
REMOVE THE RADIATOR CAP. To remove the
coolant recovery reservoir cap or radiator cap,
let system cool, turn cap to first notch, then
wait until pressure is released. Scalding can
result from fast removal of radiator cap. [2.n]
IMPORTANT: use AGROLUBE MUREX as anti-freeze after
correctly mixing it with distilled water, according the quan-
tities indicated in the table. Never use tap water, rain water
or well water to avoid problems connected to pollution.
If a wrong mix is used, Argo Tractors will take no respon-
sibility for any damages.
To top up, do not pour distilled water into the cooling
system. Top up only with correctly diluted AGROLUBE
MUREX, according the quantities indicated in the table
below.
Never use plain water as coolant.
Always check the protection level of the mix before winter.
Fig.7-8
Maintenance
7-33
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 8
Check of water level in the wind-
shield washer reservoir
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: when inspecting the area of the three-point
hitch and of the trailer brake hitch, e.g. to view how the
connected implements are operating, it is mandatory
to keep a safety distance from these organs. No opera-
tion must be carried out that can be dangerous for
you or any other bystander. Maximum priority should
be given to the safety of all persons near the tractor.
Regularly check water level in the windshield water
reservoir.
If the fluid level is low fill the reservoir.
7-34
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 9
Check and clean cab suspension (if
equipped).
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot tractor
and engine parts. [2.n]
On a daily basis check to make sure the cab suspension
support assemblies and corresponding area are clean,
on both sides.
Pay extra attention to the slot in the bracket, make sure
any mud, dust, straw etc. is removed and not restricting
movement.
Maintenance
7-35
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 10
Clean and grease cab door locks and
hinges
Thoroughly clean locks and hinges in the cab doors and
lubricate with suitable commercial products.
7-36
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 11
Cleaning of radiators and heat ex-
changer grilles
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the opera-
tion concerned.
Beware of burns caused by hot water and engine
parts. [2.n]
Periodically check to make sure that the radiator surface
is not clogged.
CAUTION: These operations must be carried
out when the engine is cold. When hot, the
grilles and radiator will burn the hands and
fingers.
Lift the bonnet to access the air conditioning condenser
(5), the transmission oil radiator (1), the aftercooler radiator
(2) and the engine coolant radiator (6).
1. Grasp both ends of the AC condenser (5) and lift it
carefully out in order not to damage the cooling fins.
2. Take out the grid (4).
3. Clean the engine radiator surface (3) by means of an
air jet from the inside to the outside.
4. Clean the transmission oil radiator surface (1) by
means of an air jet from the inside to the outside.
5. Clean the aftercooler radiator (2) with an air jet from
the inside to the outside.
6. Clean the AC condenser surface (5) with and air jet
directed from the inside to the outside.
7. Clean the fuel radiator surface (6) with and air jet
directed from the inside to the outside.
Check that the cooling fins are not warped. In this case
the damage must be repaired.
Proceed in inverse order to remount. Take care not to
damage the cooling fins.
NOTE: We recommend a daily cleaning when front im-
plements are used, especially front mower-conditioners.
IMPORTANT: Be careful not to bend or damage the fins
during cleaning. Areas with restricted access should be
carefully cleaned with compressed air.
IMPORTANT: If you clean using compressed air, use an
air hose with a safety ON/OFF control nozzle and ALWAYS
WEAR FACE PROTECTION.
CAUTION: DO NOT steam clean any air con-
ditioning system parts while the system is
charged. The heat will cause the refrigerant to
rise to a pressure that could cause the system
to explode.
NOTE: The best results are obtained with a steam cleaner
that softens up the dirt. Use a lamp to check the cleaning
between the radiator fins. We recommend a daily clean-
ing when front implements are used, especially front
mower-conditioners.
Maintenance
7-37
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 12
Drain the fuel/water separator
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the opera-
tion concerned.
Beware of burns caused by hot water and engine
parts. [2.n]
During running-in, the fuel filters must be re-
placed at 50 hours. Then replace at the intervals
indicated by the table.
Regularly drain off the water that collects from the cock
of the water/fuel separator filter (5).
Shift the gear to neutral and engage the parking brake.
The drain plug is located on the bottom of the fuel/water
separator. Loosen the plug to let any water or sediment
drain from the filter.
IMPORTANT: Dispose of fuel and filters in accordance
with local regulations. DO NOT drain on the ground, into
a drain or into a leaky container. Be responsible for the
environment.
1. Fuel supply to pump
2. Breather screw
3. Electric connection for water level sensor
4. Drain plug
5. Filter cartridge
6. Fuel tank inlet
Draining the water collector
Stop the engine.
Place a suitable collection vessel.
Loosen the drain screw.
Drain liquid until pure Diesel fuel comes out.
Install the drain plug.
Driving torque value 1,6 ±0,3 Nm
7-38
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 13
Fuel pre-filter cartridge change
During running-in, the fuel filters must be replaced
at 50 hours. Then replace at the intervals indicated
by the table.
Place a suitable collection vessel.
Electrical connection:
- remove the connections of the cables concerning
the filter area.
Loosen the plug and drain the liquid.
Remove the filter element.
Clean from any dirt the seal surface of the new filter
cartridge and the opposite side of the filter head.
Smear the seal surfaces of the filter cartridge with
a little fuel and screw down onto the filter head in a
clockwise direction (approx. 17÷18 Nm).
Install the drain plug.
Driving torque value: approx. 1.6 ±0.3 Nm
Electrical connection:
- fit back again the cables that were previously discon-
nected.
Open the fuel cock and vent the system.
Vent the fuel distribution system
The fuel distribution system is vented by the electrical
fuel delivery pump.
Do not attempt starting while venting the system, other-
wise fault messages could be generated.
Proceed as described below:
Starting activated
The electronic fuel delivery pump starts for 20 seconds
to vent the fuel distribution system and generate the
required pressure.
Wait for the electronic fuel delivery pump to be stopped
by the controller.
Starting off
Repeat at least 2 times, until the fuel distribution system
is completely vented.
Maintenance
7-39
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 14
Change fuel filter cartridge
During running-in, the fuel filters must be replaced
at 50 hours. Then replace at the intervals indicated
by the table.
The following operations must be carried out with the
engine off. Check that the gear and the parking brake are
both engaged and that the ignition key has been removed.
WARNING: Always use the specific PPE for the op-
eration concerned. If you need to open the bonnet,
follow the procedure indicated under "How to open
the bonnet".
Beware of burns caused by hot water and engine
parts. [2.n]
Clean the filter head, filter and engine area next to the
filter before removing the filter.
NOTE: The fuel filter is not equipped with a drain plug.
The drain plug is located on the bottom of the fuel/water
separator.
Use a filter wrench to remove the filter.
IMPORTANT: Dispose of fuel and filters in accordance
with local law requirements. DO NOT drain fuel onto the
ground, into a drain or into a container that can leak. Be
responsible for the environment.
Wipe any spilt fuel.
Clean the seal face of the filter housing with a clean,
lint-free cloth.
Smear the seal of the new cartridge of the original filter
with a thin oil film.
Screw down by hand the new filter, then tighten to a
torque of approx.: 10÷12 Nm
IMPORTANT: DO NOT fill the new filter with fuel before
installing.
IMPORTANT: Only use an approved fuel filter, these fil-
ters have been specifically designed to provide superior
engine protection.
Fill the fuel tank and remove air from the fuel system. See
Fuel System Air Removal on the following pages.
IMPORTANT: DO NOT crank the engine before removing
all the air from the fuel system or the fuel injection pump
can be damaged.
CAUTION: Engine fuel is flammable and can
cause a fire or an explosion. DO NOT fill the
fuel tank or service the fuel system near an
naked flame, welding, burning cigars, ciga-
rettes etc. [2.l]
7-40
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 15
Check of oil level in axle and front
final drives
WARNING: Always use the specific PPE for the
operation concerned.
WARNING: Beware of burns caused by hot
tractor and engine parts. [2.n]
Regularly check the oil level in the differential of the front
axle and in the front axle side final drives.
Front final drives
Park the tractor on level ground.
Position the final drive plugs (1) on the wheel centre line.
Remove the plugs and check the level. The level is correct
when oil flows out of the hole. Top up if necessary using
the specified type of oil, using the same plugs.
Front differential
Remove the level plug (2) from the central axle housing.
The oil must reach the level of the plug. Top up if neces-
sary with oil of the specified type through the plug (1).
NOTE: if required, an additive for limited slipping can be
found at your authorised Argo Tractors Dealer's. Add 30
ml additive for each litre of oil in the housing.
NOTE: for oil specifications, refer to the Lubricants and
Fuel chart in section 9 of this manual.
Maintenance
7-41
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 16
Front PTO oil level (if equipped)
During all maintenance and regulations, be careful not
to touch hot surfaces in the engine and transmission. In
particular, avoid any contacts with hot oil when changing
or filling up oil. If the oil is hot, let it cool down somewhat
before going on.
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot water
and engine parts. [2.n]
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
To check the power take-off oil level, put the tractor on
level ground.
Remove the fill/level plug (1) located on the front of the
housing. If the oil level is low, add the recommended oil
type to raise the oil level to the bottom edge of the fill
hole. Install the plug and tighten.
Servicing the front power take-off
Periodically throughout the year, additional attention must
be made to the following:
Check all bolts, screws and fixings etc. are tight.
Check the PTO housing for any leaks.
Operating the Front PTO at low oil levels can cause
damage to the housing, incorrect operation of the PTO
clutch and also damage to the environment.
- Every 5 or 10 operation hours, check in the whole power
take-off system that all bolts are perfectly tightened and
there are no leaks in the hydraulic system.
- After about 450 hours work, check that all bolts are
tightened to the prescribed torques and there are no
leaks in the hydraulic system. Grease all points periodi-
cally with all grease nipples. Use a universal high grade
grease.
7-42
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Locking devices for automatic hitch-
ing of the Pick Up Hitch
(if equipped, according to market)
Locking latches and rear pivots, 4 points.
1. The hitch should be carefully cleaned every 250 hour
operation, and the moving parts (also inner slide rails)
should be greased to avoid corrosion.
2. Make sure that all moving parts move freely and oper-
ate correctly.
NOTE: In heavy duty operating conditions, the hitch could
require a more frequent greasing to ensure it operates
correctly.
STEP 17
Check of the moving elements of the
tow hook (if installed)
Hitch clevis, 1 point (depending on model)
The hitch should be thoroughly cleaned and all moving
parts, including the inner slide rails, should be greased to
protect from corrosion.
Make sure that all moving parts move freely and operate
correctly.
Pin grease nipple, 1 point (depending on hitch model)
NOTE: the greasing point may be protected by a coloured
cap. Replace it if worn or damaged.
Maintenance
7-43
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 18
Check of drawbar bolt torques
WARNING: maintenance operations must be carried
out when the engine is off. Make sure that the hand
brake is engaged and the key is not inserted in the
dashboard.
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: beware of burns caused by hot tractor and
engine parts. [2.n]
Tighten bolts (1) [4 off] to a torque of 295 to 330 Nm.
STEP 19
Check the torque of the trailer hitch
bolts (if equipped)
WARNING: maintenance operations must be carried
out when the engine is off. Make sure that the hand
brake is engaged and the key is not inserted in the
dashboard.
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: beware of burns caused by hot tractor and
engine parts. [2.n]
Tighten the rear retaining bolts (2) [10 off] of the PTO
housing, to a torque of 430 to 455 Nm.
7-44
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 20
Battery - Checking for function
WARNING: always use the specific PPE for the opera-
tion concerned.
WARNING: beware of burns caused by hot tractor and
engine parts. [2.n]
At regular intervals, check the battery charging and re-
charge if required.
CAUTION: battery electrolyte contains sulphu-
ric acid and can cause serious burns.
Avoid any contacts with the skin and eyes.
Keep naked flames, sparks and lighted ciga-
rettes well clear of batteries which are being
charged. Keep the area in which batteries are
being charged well ventilated. [2.l]
CAUTION: when connecting the battery to a
charger, make sure that the positive (+) lead
of the charger is connected to the positive of
the battery and the negative (-) to the negative.
Incorrect connection will damage the diodes
and the other circuit components. [2.l]
NOTE: make sure that the battery terminal nuts are well
fixed to their terminals.
CAUTION: battery posts, terminals, and re-
lated accessories contain lead and lead com-
pounds, chemicals known to cause cancer and
reproductive harm. Wash your hands after
handling.
WARNING: according to the law it is mandatory to
dispose of batteries in suitable containers provided to
this purpose at authorised centres. DO NOT dispose
of them in the environment.
Battery cables and terminals
The battery terminals must be kept clean and tight.
Remove all corrosion with a wire brush, then wash with
a weak solution of baking soda or ammonia. Put some
petroleum jelly or light grease on terminals to prevent
more corrosion.
CAUTION: when connecting the battery to a
charger, make sure that the positive (+) lead
of the charger is connected to the positive of
the battery and the negative (-) to the negative.
Incorrect connection will damage the diodes
and the other circuit components.
[2.l]
Fig.7-6a
Maintenance
7-45
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 21
Check of fan, compressor and alter-
nator belt.
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot water
and engine parts. [2.n]
Fan and alternator belt
Periodically check the tension of the alternator and fan
belt (1).
To adjust the belt tension, loosen the fixing screws and
check nut on the idler and move the alternator until the
correct tension has been obtained.
Now tighten all the screws and check nuts.
NOTE: Check the belt conditions frequently. The belt
must be replaced if it is cracked or needs to be frequently
adjusted. This operation must be carried at your Argo
Tractors Dealer's.
Air conditioning compressor belt
Check periodically the compressor (3) belt (2).
If the belt appears slack or cracked, it should be replaced.
NOTE: Check the belt conditions frequently. A belt must
be replaced if it is cracked or needs to be frequently
adjusted. This operation must be carried at your Argo
Tractors Dealer's.
7-46
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 22
Check brake controls - adjustments
Parking brake
WARNING: handle all parts with the utmost care. Do
not reach with your hands or fingers between parts.
Wear approved safety garments such as eye protection,
gloves and safety footwear.
4 marks
The travel of the parking brake control lever should be
adjusted when the lever has a too long idle travel at the
4 marks.
Proceed as follows:
1. Pull the parking brake lever up to the fourth mark on
the sector.
2. Apply a force of 80 ÷ 100 N to the bottom lever (1).
3. Loosen the check nut (2) and tighten the adjuster nut
(3) up to the position of the bottom lever.
4. Tighten the check nut (2) and check if the brake oper-
ates correctly.
WARNING: Always use the specific PPE for the opera-
tion concerned. beware of burns caused by hot tractor
and engine parts. [2.n]
Adjustment of pedal brakes
The service brakes require no adjustment.
Check at regular intervals that the free travel of the pedals
does not exceed the normal value of 3.5 cm (dimension
A”).
If the free travel is too long, ask your Argo Tractors Dealer
for the braking system diagnosis.
Maintenance
7-47
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 23
Clean cab air filters
2 filters in the rear posts in the cab
WARNING: service operations must be carried out with
the engine off. Check that the gear and the parking
brake are both engaged and that the ignition key has
been removed. Put it away in a safe place, not acces-
sible to children and not authorised persons.
WARNING: Beware of burns caused by hot tractor and
engine parts. [2.n]
CAUTION: When maintenance, fill-up, adjust-
ment, cleaning and any other operations are
required on elements at an height over 1.5
meters, e.g. cab air filters or field lights lamps,
a stable and safe climbing means is mandatory,
such as a ladder solidly secured on the ground.
It is forbidden to climb or grab on to elements
such as the tractor access ladder. They must
only be used to climb up and down the con-
trol compartment of the tractor. Maintenance
operations such as window and roof cleaning
or cab filters replacement must be carried
out in utter safety for the operator and the
vehicle. Always use specific personal safety
devices for each operation. If it is required to
work suspended high on above the ground,
always make sure to be in a safe position so
as to avoid falling. [2.h]
CAUTION: Do not stand on the tractor to
service the filter, use the correct equipment
for a safe standing platform or injury can
result. [2.h]
For best performance, this filter must be serviced more
often when working in particularly dusty environment.
Replace with a genuine part if damaged or when the filter
can not be cleaned.
IMPORTANT: Respiratory protection equipment and
protective clothing appropriate to the environment that
the filter has been in contact with MUST be used during
the cleaning of the filter.
1. Unscrew and remove the fixing knob (1) of the cover
(2).
2. Lift the cover.
3. Loosen the filter fixing nut (3).
4. Remove the filter (4) and clean as follows:
Clean the filter housing with a cloth.
When the filter is remounted, the cartridge (4) must be
oriented as indicated on the cartridge itself.
Fig.7-8
WARNING: Take the filter off before washing the cab.
If the cab is washed and the special filter has not been
demounted, take care to prevent the jet of water from
splashing on to the protective grille. otherwise your
cab's special filter will be irreparably damaged.
IMPORTANT: before fitting the filter back, visually check
that the filter seals are not damaged. They must not be
bent or damaged in any way. Replace the complete filter
if required.
7-48
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Indications for filter cleaning
The filter element can be cleaned by following two
methods:
METHOD A
If the dirt mainly consists in dust, this method can be
used to clean the filter. Tap the dusty side of the filter on
a flat surface. Do not use excessive force that can cause
damage to the filter.
METHOD B
Use compressed air to blow dust away. Move the flow of
air up and down the clean the side of the filter. Maximum
air pressure must exceed 2 bar. Too much pressure will
damage the filter.
IMPORTANT: Always use an air hose with a safety ON/OFF
control nozzle and ALWAYS WEAR FACE PROTECTION.
Maintenance
7-49
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 24
Cleaning of cab air recirculation fil-
ters
Step to be carried out each 100 hours
WARNING: Always use the specific PPE for the opera-
tion concerned.
NOTE: there are 2 filters for air recirculation in the cab.
This step must be carried out on both filters in the rear
posts in the cab.
CAUTION: Do not stand on the tractor to
service the filter, use the correct equipment
for a safe standing platform or injury can
result. [2.h]
For best performance, these filters must be serviced more
often when working in particularly dusty environment.
Replace with a genuine part if damaged or when the filter
can not be cleaned.
IMPORTANT: respiratory protection equipment and pro-
tective clothing appropriate to the environment that the
filters has been in contact with MUST be used during the
cleaning of the filters.
1. Unscrew the screw (1) and remove the protective grill.
2. Access, remove and clean the paper filter.
Clean the filter housing with a cloth.
When the filter is remounted, the cartridge must be ori-
ented as indicated on the cartridge itself.
IMPORTANT: before fitting the filter back, visually check
that the filter seals are not damaged. They must not be
bent or damaged in any way. Replace the complete filter
if required.
Fig.7-9
7-50
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 25
Replace front axle differential and
side final drives oil
WARNING: Always use the specific PPE for the
operation concerned.
WARNING: Beware of burns caused by hot
tractor and engine parts. [2.n]
NOTE: It is advisable to change the oil for the first time
after 150 hours, then at the intervals as shown by the table.
Differential housing (oil draining)
Place a vessel under the plug (1), remove the plug and
drain out all oil.
Side final drives (oil draining)
Position the final drive plugs (1) downward.
Place a vessel under the plugs (1) (one for each final drive),
unscrew the plug and drain out all oil.
NOTE: For oil specifications, refer to the Lubricants and
Fuels chart in section 9 of this manual.
Differential housing (oil filling)
3
Fit the plug (1) back when no more oil is coming out and
fill up with fresh oil through the filler (3) up to the level
of the plug (2).
Wait for the oil to stabilize before checking the level. Top
up if necessary.
Fit all plugs back on.
Side final drives (oil filling)
Position the plugs (1) on the wheel centre line. Fill up with
oil of the specified type to the level of the holes.
Wait for the oil to stabilize before checking the level. Top
up if necessary. Fit the plugs back (1).
IMPORTANT: Dispose of oil in accordance with local
law requirements. DO NOT drain oil on the ground, into a
drain or into a container that can leak. Be responsible for
the environment.
Maintenance
7-51
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 26
General lubrication
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot tractor
and engine parts. [2.n]
Lubricate the grease points every 100 hours or more often,
depending on the working conditions.
- Brake control cross link (Fig.7-10)
- Rear hitch
- Three-point linkage (Fig.7-11)
- Third point
- Bearing of the 2WD transmission shaft (Fig.7-12b)
- Cross bar of suspended cab (Fig.7-12a)
NOTE: Use lithium grease of the prescribed type. See the
Lubricants and Fuels chart.
NOTE: In severe conditions lubricate these points more
frequently.
NOTE: Grease the tractor if it is often washed with pres-
surised water.
NOTE: the greasing point may be protected by a coloured
cap. Replace it if worn or damaged.
Fig.7-10 Brake control cross link. Inject grease
of the prescribed type.
Fig.7-12b Grease nipple of the bearing of the front trans-
mission shaft.
Fig.7-11 - Grease nipples of the rear three point linkage.
Fig.7-12a
7-52
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Locking devices for automatic hitch-
ing of the Pick Up Hitch
(if equipped, according to market)
Locking latches and rear pivots, 4 points.
1. The hitch should be carefully cleaned every 100 hour
operation, and the moving parts (also inner slide rails)
should be greased to avoid corrosion.
2. Make sure that all moving parts move freely and oper-
ate correctly.
NOTE: In heavy duty operating conditions, the hitch could
require a more frequent greasing to ensure it operates
correctly.
NOTE: the greasing point may be protected by a coloured
cap. Replace it if worn or damaged.
Trailer hitch slide rails and hitch cou-
pling operating parts
(if equipped)
Hitch clevis, 1 point (depending on model)
The hitch should be thoroughly cleaned and all moving
parts, including the inner slide rails, should be greased to
protect from corrosion.
Make sure that all moving parts move freely and operate
correctly.
Pin grease nipple, 1 point (depending on hitch model)
Maintenance
7-53
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 27
Front axle lubrication
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot tractor
and engine parts. [2.n]
NOTE: the greasing point may be protected by a coloured
cap. Replace it if worn or damaged.
Lubricate the following grease points every 100 hours
or more often, depending on the working conditions.
Kingpins of 4WD axle (2 pcs). (1, Fig.7-13)
Set-up with rigid axle
Central pivot bushings of the front axle (1, Fig.7-14 e
2, Fig.7-15)
Fig.7-15 Set-up with rigid axle.
2 - Grease nipple of front pivot bushing of the
axle.
Fig.7-14 Set-up with rigid axle.
1 - Grease nipple of rear pivot bushing of the
front axle
Fig.7-13
7-54
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Set-up with suspended axle
WARNING: Always use the specific DPIs for
the operation to be carried out. Beware of burns
caused by hot tractor and engine parts.
[2.n]
Lubricate the greasing point of the pivot bar, of the sus-
pension rams and of the rear support.
• Pivot bar (2 pcs). (1 Fig. 7-16A)
• Suspension rams (2 pcs. each side) (2 Fig.7-16A)
• Rear drawbar bearing (1 piece) (4 Fig. 7-16B)
• Rear articulation bearing (1 pc) (5 Fig.7-16B)
NOTE: the greasing point may be protected by a coloured
cap. Replace it if worn or damaged.
NOTE: use lithium grease of the prescribed type.
NOTE: In severe operating conditions these points must
be lubricated more frequently.
NOTE: Grease the tractor if it is often washed with pres-
surised water.
4
5
2
2
1
2
1
2
Fig.7-16A
Fig.7-16B
Maintenance
7-55
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 28
Replace transmission oil filter (on
the intake)
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: service operations must be carried out with
the engine off. Check that the gear and the parking
brake are both engaged and that the ignition key has
been removed. Put it away in a safe place, not acces-
sible to children and not authorised persons.
The following operations for the transmission oil filters
must be carried out not only at the prescribed intervals,
but also whenever the indicator lights on the instrument
panel come on.
Warning lights for transmission and hydraulic sys-
tem oil filter blockage
1 - Red warning light (steady) for low pressure in hydrau-
lic transmission system. If it comes on during work,
contact your Argo Tractors Dealer.
2 - Yellow warning light (steady) for transmission and
hydraulic system oil filter blockage.
WARNING: Always use the specific PPE for the opera-
tion concerned. beware of burns caused by hot tractor
and engine parts. [2.n]
CAUTION: replace the oil filter on hydraulic pumps
intakes any time the transmission oil is changed.
Always refer to the intervals indicated by the table.
1 - Loosen the screws (1) and remove the cover (3) of
the intake filter (2).
2 - Remove the filter cartridge (2) and wash it in a suitable
solvent. Be sure to remove any metallic fragments
from the filter cover and housing.
NOTE: replace the cartridge if damaged or excessively
clogged.
3 - Clean and reassemble the cover.
4. Check the oil level. Top up if necessary with oil of the
prescribed type.
NOTE: After you have fitted the filter, allow the engine to
run and make sure that there are no leaks. Check the oil
level at regular and top up if required.
NOTE: Use the oil prescribed in the Lubricants and Fuels
chart in the section 9 of this manual.
NOTE: Make sure that the hydraulic equipment con-
nected to the tractor's hydraulic circuit uses the same
type of oil. Use of different types of oil could damage the
hydraulic circuit.
7-56
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 29
Various checks - tyre pressures and
torques
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: Beware of burns caused by hot tractor and
engine parts. [2.n]
Power steering cylinder hoses: the hoses must not
be pinched or cracked. The outer sheath must not
be swollen in any way and there must be no oil leaks
between the hoses and unions.
Parking brake lever: make sure that the ratchet locking
mechanism is secure and reliable.
Use a calibrated torque wrench to make sure that the
wheel nuts are correctly torqued.
Make sure that the safety frame screws are well tight-
ened.
Check to make sure that all other nuts and bolts are
well tightened.
Check the tyre pressure.
Check of nuts tightening of front and rear
wheels
Every time the wheels are removed and fit back again,
and at regular intervals, it is important to control toe-in of
the wheels and the tightening of nuts.
Use a calibrated torque wrench to check the tightening.
Intervals:
- First check within the first 10 work hours.
- First check after the first 50 work hours.
- Third check and further checks every 500 work hours.
NOTE: if particularly heavy works are carried out, the
checks of wheel nuts tightening should be carried out
more frequently than every 500 hour work
Maintenance
7-57
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 30 [2.ag]
Grease rear 3-point hitch ( repeat
every 100 hours )
NOTE: Use lithium grease of the prescribed type. See the
Lubricants and Fuels chart.
NOTE: In severe conditions lubricate these points more
frequently.
NOTE: Grease the tractor if it is often washed with pres-
surised water.
Turnbuckles, 2 points each side
NOTE: the greasing point may be protected by a coloured
cap. Replace it if worn or damaged.
7-58
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 31 [2.ag]
Lubrication of front 3-point linkage
(if equipped) (repeat every 100 hours)
Before carrying out any maintenance operations on your
tractor, e.g. lubrication by means of greasing points,
always abide by the safety precautions here under pre-
scribed.
WARNING: Service operations must be carried out with
the engine off. Check that the gear and the parking
brake are both engaged and that the ignition key has
been removed.
WARNING: Always use the specific PPE for the opera-
tion concerned.
Beware of burns caused by hot water and engine
parts. [2.n]
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
Before lubricating any parts provided with grease nipples,
carefully clean the surfaces of the nipples and make sure
that their seal ball moves freely.
After the lubrication, remove any trace of grease to avoid
it to collect dirt or dust.
CAUTION: if the tractor is equipped with
front-end hitch and power take-off, before
opening the bonnet lower the links com-
pletely, whether there are implements or not.
Lubricate the following grease points every 100 hours or
more often, depending on the working conditions:
- Top of lift cylinder, 2 points.
- Bottom of lift cylinder, 2 points.
NOTE: Use lithium grease of the prescribed type. See the
Lubricants and Fuels chart.
NOTE: In severe conditions lubricate these points more
frequently.
NOTE: Grease the tractor if it is often washed with pres-
surised water.
NOTE: the greasing point may be protected by a coloured
cap. Replace it if worn or damaged.
Top of lift cylinder, 2 points.
Bottom of lift cylinder, 2 points.
Maintenance
7-59
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 32
Change front PTO oil
(if installed)
During all maintenance and regulations, be careful not
to touch hot surfaces in the engine and transmission. In
particular, avoid any contacts with hot oil when changing
or filling up oil. If the oil is hot, let it cool down somewhat
before going on.
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot water
and engine parts. [2.n]
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: maintenance operations must be carried
out when the engine is off. Make sure the parking
brake is engaged and remove the ignition key. Put it
away in a safe place, not accessible to children and
not authorised persons.
STEP 1
Park the tractor on level ground.
Remove the drain plug (1) under the PTO housing and
collect oil in a suitable container.
For best results drain the oil after operation when the
oil is warm. Once the oil has completely drained, fit the
plug back on (1).
IMPORTANT: Dispose of oil according to local law re-
quirements. DO NOT DRAIN THE OIL ON THE GROUND
OR INTO A DRAIN. Be responsible for the environment.
STEP 2
Remove the plug (2) and top up with oil of the prescribed
type (refer to the "Lubricant and fuel chart" in section 9
of this manual). oil must be level with the bottom edge
of the hole.
Wait approximately 5 minutes. Check the oil level again
and add oil as necessary. Install the plug (2) and tighten.
Check in the whole power take-off system that all bolts
are perfectly tightened and there are no leaks in the hy-
draulic system.
Grease all points periodically (450/500 hours) with all
grease nipples. Use a universal high grade grease.
7-60
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 33
Replace oil filter on the delivery of
the steering circuit
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: Beware of burns caused by hot tractor and
engine parts. [2.n]
CAUTION: Change the paper filter on the delivery
after the first 50, 250, 500 hours. Then replace it at
500 hours intervals, in particular every time the trans-
mission oil is changed. Always refer to the intervals
indicated by the table.
An indicator light on the instrument cluster comes on
when the filter must be replaced.
Change the element of the filter on the delivery of the
steering circuit as follows:
1 - Unscrew the holder (1), remove and discard the filter
element (3).
2 - Fit the new filter element (3) into the cover of the
filter (2).
To prevent the filter element from being dirtied (with
mud, etc.) only completely remove the plastic protection
after fitting.
3 - Mount the holder (1) after oiling its threaded part, the
washer (4) and seal (5) with clean new oil. Take great
care to fit the individual parts in the right directions.
Change the seal (5) and the washer (4) every 1000
hours service or whenever necessary.
4 - Fully screw on the holder (1) by hand.
NOTE: After you have changed the filter, allow the engine
to run and make sure that there are no leaks. Check the oil
level at regular intervals and top up if required.
NOTE: Use the oil prescribed in the Lubricants and Fuels
chart in the section 9 of this manual.
NOTE: Make sure that the hydraulic equipment con-
nected to the tractor's hydraulic circuit uses the same
type of oil. Use of different types of oil could damage the
hydraulic circuit.
IMPORTANT: Dispose of oil and filters in accordance with
local regulations. DO NOT drain the oil on the ground, into
a drain or put in a container that can leak. Be responsible
for the environment.
1 - Vessel
2 - Cover
3 - Filter element
4 - Washer
5 - Ring seal
Maintenance
7-61
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 34
Transmission oil replacement
WARNING: Always use the specific PPE for the opera-
tion concerned. beware of burns caused by hot tractor
and engine parts. [2.n]
CAUTION: When working on steep slopes, oil
level in the transmission MUST BE AT LEAST AT
THE MAXIMUM DRAW LEVEL indicated by the
dipstick (1).
Otherwise, top up with oil of the specified type
through the plug (2).
NOTE: It is advisable to change the oil in the gearbox for
the first time after 500 hours, then after every 1000 hours
service. Always refer to the intervals indicated by the table.
1 - Lower the lift arms to the ground.
2 - Remove the fill plug (2).
3 - Place vessels under the drain plugs (3) of the trans-
mission and axle housings. Place a vessel under the
drain plug (4) of the auxiliary reservoir (if provided).
4 - Remove the plugs and drain out the oil.
5 - Fit the drain plugs back in place, then pour oil of the
approved type into the transmission (through the filler
(2) until the correct level has been reached. See the
Lubricants and Fuels chart.
NOTE: Let the oil stabilize before checking its level in the
transmission as described in the section 9 of this manual.
NOTE: In special weather conditions, e.g. low tempera-
tures, always ask you Argo Tractors Dealer for specific
indications on correct use of oils and fuels. The use of
materials not approved by Argo Tractors exempts the
company from any responsibilities.
IMPORTANT: Dispose of oil in accordance with local
law requirements. DO NOT drain oil on the ground, into a
drain or into a container that can leak. Be responsible for
the environment.
NOTE: when the transmission is filled, it could be of
advantage to remove the plug (1) on the rear near the
PTO shaft. This will ease oil flow inside the transmission.
4
7-62
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 35
Engine oil replacement
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: service operations must be carried out with
the engine off. Check that the gear and the parking
brake are both engaged and that the ignition key has
been removed. Put it away in a safe place, not acces-
sible to children and not authorised persons.
WARNING:
Beware of burns caused by hot tractor and
engine parts. [2.n]
NOTE: Every time the engine oil must be changed, we
advise a forced standstill with the old oil, and only after-
ward to change it as prescribed.
For the engine, it is necessary to use a detergent oil as
indicated in the Lubricants and Fuels Chart. Detergent
oils contain additives that reduce corrosion, oil oxidation
and deposits and have a high dispersion power of carbon
matters produced by combustion.
Personal safety devices (DPI) must be worn for the in-
dicated operations. Beware of burns caused by hot oil
and engine parts. If required, let the engine idle for the
prescribed time to reach the required temperature to let
the oil flow easily. Then turn off the engine.
During all maintenance and regulations, be careful not
to touch hot surfaces in the engine and transmission. In
particular, avoid any contacts with hot oil when changing
or filling up oil. If the oil is hot, let it cool down somewhat
before going on.
CAUTION: Do not service a running engine!
Do not smoke and avoid any naked flames!
Beware of hot lubricant. Danger of burns!
NOTE: During any service on the lubricating system,
ensure best cleanliness. Carefully clean the areas around
each components you are servicing. Dry wet points with
of a compressed air jet. For lubricants handling, comply
with safety rules and local specific safety practices.
Dispose of spilt lubricant and filter elements according to
rules. Do not pour lubricants on the soil.
Carry out a test cycle after each servicing. In this occasion,
make sure there are no leakages, check the lubricant pres-
sure, then also check the lubricant level.
CAUTION: The engine could be damaged if the
lubricant level is either too low or too high.
Check oil level only with the engine in a hori-
zontal position and not running. The oil level
should be checked when still hot, 5 minutes
after stopping the engine.
DANGER: Beware of hot lubricant. Danger
of burns!
Do not remove the dipstick while the engine
is running. Danger of injury! [2.n]
Fig.7-17 - Engine oil
1. engine oil drain screw (2 screws on each side
of the crankcase)
Maintenance
7-63
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Heat up the engine (oil temperature >80 °C).
Place the engine or the vehicle on a horizontal surface.
Stop the engine.
Place a vessel under oil draining screws.
Loosen the oil draining screws (1) on both sides, and
let the oil drain out.
Tighten the oil draining screws, complete with a new
seal ring.
Driving torque value: 55 Nm
Fill with oil. See the Lubricants and Fuels chart for the
correct type of oil required.
NOTE: Never fill up to a level higher than the MAX mark
on the dipstick.
Heat up the engine (oil temperature >80 °C).
Place the engine or the vehicle on a horizontal surface.
Check the oil level. Top up if required.
NOTE: Allow the oil to settle in the engine sump be-
fore checking the level. The oil must be changed more
frequently (e.g. every 250 hours) if the tractor is used in
heavy duty conditions.
If the tractor is used infrequently, change the engine oil
at least once a year regardless of the actual number of
hours worked.
7-64
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 36
Check of Auto hitch locking latches
& lift rod adjustment (if equipped,
depending on market)
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: maintenance operations must be carried
out when the engine is off. Make sure that the hand
brake is engaged and the key is not inserted in the
dashboard.
WARNING: beware of burns caused by hot tractor and
engine parts. [2.n]
As necessary or at least every 500 hours check the opera-
tion of the auto hitch and make sure the locking latches
engage and the hitch is operating correctly.
CAUTION: when checking the operation of the
auto hitch, stay well clear of moving parts or
injury can result.
CAUTION: Never start the engine in a closed
place. Always sure that there is suitable ven-
tilation.
If the locking latches do not engage correctly the
cable and/or the lift rods may need adjustment. Ask
your authorised Argo Tractors Dealer for the required
adjustments.
Maintenance
7-65
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 37
Replace engine air filter
CAUTION: Always stop the engine before re-
moving the filter elements.
WARNING: Always use the specific PPE for the
operation concerned.
WARNING: Beware of burns caused by hot
tractor and engine parts. [2.n]
The cartridges of the engine air filter should be replaced
every 1000 hours service (or once a year) or more often
if operating in a very dusty environment, or whenever the
red indicator on the control panel lights up.
Release the clips (1), remove the cover (2) and replace the
external cartridge (3) along with the internal safety car-
tridge (4). Carefully clean the filter cover (2) and bowl (5).
Always check to make sure that the filter housing is not
damaged and make sure that all the pipes and unions
are tight.
NOTE: It is advisable to replace the two filter cartridges
at least once a year even if you have not reached 1000
hours service in total.
CAUTION: The internal cartridge (4) must always be
replaced. It must never be cleaned.
IMPORTANT: Dispose of filters correctly in accordance
with local regulations. Be responsible for the environment.
CAUTION: NEVER attempt to clean the filter elements
with exhaust gas from the engine. NEVER EVER use
oil on a dry filter. NEVER EVER use wash oil, diesel
fuel, paraffin or solvents to clean the filter elements.
Filter restriction indicator lamp
When the air filter restriction indicator lamp (1) on the
instrument cluster comes on, the primary (outer) filter
element needs cleaning. Service the element after the
day's work is completed.
NOTE: If the air filter restriction indicator lamp illuminates
after the primary filter has been serviced, check the fol-
lowing possible causes:
A. Secondary (inner) element is dirty.
B. Grille screen is dirty.
In case of fixed light, contact your authorised Argo Trac-
tors Dealer.
1
2
3
4
5
7-66
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 38
Clean fuel tank
The fuel tank is cleaned by removing the plug (1).
NOTE: Drain off the sludge when the tank is almost empty
and only after having placed a suitable vessel under the
drain plug.
NOTE: Air in the fuel circuit makes it difficult to start the
engine. Bleed the circuit as described under General
Maintenance in this section.
Maintenance
7-67
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 39
Change cab air filters
2 filters in the rear posts in the cab
The cab air filters in the cab posts must be re-
placed at least once a year or every 1000 hours
service.
WARNING: service operations must be carried out with
the engine off. Check that the gear and the parking
brake are both engaged and that the ignition key has
been removed. Put it away in a safe place, not acces-
sible to children and not authorised persons.
WARNING: Beware of burns caused by hot tractor and
engine parts. [2.n]
CAUTION: When maintenance, fill-up, adjust-
ment, cleaning and any other operations are
required on elements at an height over 1.5
meters, e.g. cab air filters or field lights lamps,
a stable and safe climbing means is mandatory,
such as a ladder solidly secured on the ground.
It is forbidden to climb or grab on to elements
such as the tractor access ladder. They must
only be used to climb up and down the con-
trol compartment of the tractor. Maintenance
operations such as window and roof cleaning
or cab filters replacement must be carried
out in utter safety for the operator and the
vehicle. Always use specific personal safety
devices for each operation. If it is required to
work suspended high on above the ground,
always make sure to be in a safe position so
as to avoid falling. [2.h]
CAUTION: Do not stand on the tractor to
service the filter, use the correct equipment
for a safe standing platform or injury can
result. [2.h]
For best performance, this filter must be serviced more
often when working in particularly dusty environment.
Replace with a genuine part if damaged or when the filter
can not be cleaned.
IMPORTANT: Respiratory protection equipment and
protective clothing appropriate to the environment that
the filter has been in contact with MUST be used during
the cleaning of the filter.
1. Unscrew and remove the fixing knob (1) of the cover
(2).
2. Lift the cover.
3. Loosen the filter fixing nut (3).
4. Remove the filter (4) and clean as follows:
Clean the filter housing with a cloth.
When the filter is remounted, the cartridge (4) must be
oriented as indicated on the cartridge itself.
Fig.7-18
WARNING: Take the filter off before washing the cab.
If the cab is washed and the special filter has not been
demounted, take care to prevent the jet of water from
splashing on to the protective grille. otherwise your
cab's special filter will be irreparably damaged.
IMPORTANT: before fitting the filter back, visually check
that the filter seals are not damaged. They must not be
bent or damaged in any way. Replace the complete filter
if required.
7-68
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Indications for filter cleaning
The filter element can be cleaned by following two
methods:
METHOD A
If the dirt mainly consists in dust, this method can be
used to clean the filter. Tap the dusty side of the filter on
a flat surface. Do not use excessive force that can cause
damage to the filter.
METHOD B
Use compressed air to blow dust away. Move the flow of
air up and down the clean the side of the filter. Maximum
air pressure must exceed 2 bar. Too much pressure will
damage the filter.
IMPORTANT: Always use an air hose with a safety ON/OFF
control nozzle and ALWAYS WEAR FACE PROTECTION.
Maintenance
7-69
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 40
Check of starter motor, alternator
and compressor
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: maintenance operations must be carried
out when the engine is off. Make sure that the hand
brake is engaged and the key is not inserted in the
dashboard.
WARNING: beware of burns caused by hot engine
parts. [2.n]
Starter motor
The starter motor (1) must be thoroughly cleaned at least
once a year. Particularly check the condition of the brushes
and collector.
Alternator
Let your Argo Tractors Dealer check the operation condi-
tions of the alternator (1).
Air conditioning compressor
Have the air conditioning system operation checked by
specialised personnel at your Argo Tractors Dealer. Also
check the lubricating oil level in the compressor (1).
7-70
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 41
Check function of the operator de-
tector microswitch
Check the sensor for correct function every 1000 hours
of operation or at least once annually. When doing the
following checks, do so in a clear open area with no other
persons or objects near the tractor:
NOTE: For further information on the operator detector
sensor, see "Operator present sensor" in section 3 of this
manual.
To check the correct operation of the sensor, reproduce
the conditions described in the following table. If even
one of the conditions is not met, ask your authorised Argo
Tractors Dealer for service to the system.
CAUTION: DO NOT bypass the circuit of the
operator detector sensor. Otherwise the situ-
ation can be risky both for the operator and
the people near the tractor.
If the operator detector sensor circuit is
bypassed, the electronic system will sense
the change and transmit the error code. The
exclamation point in the instrument cluster
will light up. The circuit must be enabled in
any case.
With ignition key turned to ON, engine running:
In the cases given in the following table, the indicator
on the instrument cluster and the buzzer are active
until
the conditions for a correct use of the tractor are restored.
Position
operator
Reverse shuttle
lever position
Parking
brake
Buzzer sounding Indicator on instrument
cluster
sittiNg Neutral eNgaged
OFF
steady oN
sittiNg Neutral released
OFF OFF
sittiNg selected directioN eNgaged
OFF
steady oN
sittiNg selected directioN released
OFF OFF
Not seated Neutral eNgaged
OFF
steady oN
Not seated Neutral released
ON
oN aNd FlashiNg
Not seated selected directioN eNgaged
ON
steady oN
Not seated selected directioN released
ON
oN aNd FlashiNg
Maintenance
7-71
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 42
Engine oil filter replacement
NOTE: Never preload the filter cartridge. Danger of
soiling!
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: service operations must be carried out with
the engine off. Check that the gear and the parking
brake are both engaged and that the ignition key has
been removed. Put it away in a safe place, not acces-
sible to children and not authorised persons.
WARNING: Beware of burns caused by hot tractor and
engine parts. [2.n]
Loosen the old filter (1) with the tool and unscrew from
its housing.
Collect any spilt oil.
Clean the seal face of the filter housing with a clean,
lint-free cloth.
Smear the seal of the new cartridge of the original filter
with a thin oil film.
Screw down by hand the new filter, then tighten to a
torque of approx.: 15÷17 Nm
NOTE: See the Lubricants and Fuels chart for the correct
type of oil required.
CAUTION: Only use genuine filter cartridges. Use of
spurious cartridges could damage the engine and
shorten its working life.
IMPORTANT: Dispose of oil and filters in accordance with
local regulations. DO NOT drain the oil on the ground, into
a drain or put in a container that can leak. Be responsible
for the environment.
Fig.7-19
7-72
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 43
Engine coolant change
IMPORTANT: use MUREX as anti-freeze after correctly
mixing it with distilled water, according the quantities indi-
cated in the table below. Never use tap water, rain water
or well water to avoid problems connected to pollution. If
a wrong mix is used, Argo Tractors will take no responsibil-
ity for any damages. To top up, do not pour distilled water
into the cooling system. Top up only with correctly diluted
MUREX, according the quantities indicated in the table
below. Never use plain water as coolant. Always check
the protection level of the mix before winter.
During all maintenance and regulations, be careful not
to touch hot surfaces in the engine and transmission. In
particular, avoid any contacts with hot oil when changing
or filling up oil. If the oil is hot, let it cool down somewhat
before going on.
WARNING: service operations must be carried out with
the engine off. Check that the gear and the parking
brake are both engaged and that the ignition key has
been removed. Put it away in a safe place, not acces-
sible to children and not authorised persons.
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot water
and engine parts. [2.n]
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
CAUTION: NEVER remove the plug from the
radiator while the engine is still hot. Always
unscrew the plug slowly by one position and
allow the pressure to drop before you loosen
it completely.
Remove the filler plug (2) from the expansion tank (1).
Put a hose on the radiator drain valve (3) and open valve.
Drain coolant into a suitable container.
3
Drain the coolant out also from the plug (4) of the engine
monoblock.
4
Close the drain plug (3) and the plug (4), then fill with
coolant fluid up to the mark on the vessel (1).
Allow the engine to run at 1000 RPM for a few minutes.
Now check the level and top up if necessary. Shut the
fill plug (2) once the cleaning operation has terminated.
NOTE: in an emergency, to make up for sudden leaks,
the system can be topped up with water by pouring it
through the fill plug (2).
Precautions against freezing tem-
peratures
To prevent ice from forming in the radiator, add specific
products according to the instructions given by the anti-
freeze manufacturer.
Antifreeze also possesses antioxidant and rust-inhibiting
properties and is suitable for all seasons.
The following amounts are indicatively required:
Percentage of
protective agent
for the cooling
system
Water percent-
age
Protection from
cold up to
min. 35 % 65 % -22 °C
40 % 60 % -28 °C
45 % 55 % -35 °C
max. 50 % 50 % -41 °C
Maintenance
7-73
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
This mixture can be permanently maintained in the circuit
for 1 year so long as the service hours did not amount
to 1000 during this period. In this case, the mixture must
be changed.
Flush out the system whenever you change from using
pure water to antifreeze mixtures and vice versa.
Check of anti-freeze in engine cool-
ing system (before winter)
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: maintenance operations must be carried
out when the engine is off. Make sure that the hand
brake is engaged and the key is not inserted in the
dashboard.
WARNING: beware of burns caused by hot engine
parts. [2.n]
Once a year, before winter, check the anti-freeze fluid in
the engine cooling system.
7-74
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 44
Check of ribbed v-belt tensioning
WARNING: Always use the specific PPE for the opera-
tion concerned.
Lower the indicator lever (1) of the tester.
Position the guide (3) between two pulleys on the V-
belt (2). The stop must be on one side.
Press uniformly on the button (4) in the right corner
with respect to the V-belt (2), until the spring click is
clearly heard.
Lift the tester gently, without changing the position of
the indicator lever (1).
Read the value measured on the intersecting point
(arrow) between scale (5) and indicator lever (1).
Correct the tension as required and repeat the meas-
urement.
NOTE: the belt must be replaced if it is cracked or needs
to be frequently adjusted. This operation must be carried
at your Argo Tractors Dealer's.
Maintenance
7-75
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 45
Replacement of the ribbed v-belt
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: service operations must be carried out with
the engine off. Check that the gear and the parking
brake are both engaged and that the ignition key has
been removed. Put it away in a safe place, not acces-
sible to children and not authorised persons.
WARNING: Beware of burns caused by hot tractor and
engine parts. [2.n]
1. Belt stretcher roller
2. Retainer pin
3. Mounting hole
Proceed in the following way to replace the belt:
With the pipe wrench, push the belt stretcher in the
direction of the arrow until it is possible to set a retainer
pin into the mounting hole. Now the ripped belt ha no
tension.
First of all, remove the ribbed belt from the smaller roller
and the belt stretcher.
Mount a new ribbed belt.
Use a pipe wrench to hold the belt stretcher roll and
remove the retainer pin.
Stretch the ribbed belt again by means of the stretcher
roller and the pipe wrench. Check that the ribbed V-belt
seats correctly in its guide.
7-76
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 46
Replacement of the A/C system filter,
mounted into the condenser unit
Replace the filter (1) every three years, and on each service
operation involving gas circulation in the air conditioning
system.
1
Maintenance
7-77
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 47
Replace AdBlue
supply pump filter
and cleaning filters
CAUTION: while working on components of
the Selective Catalytic Reduction (SCR), always
wear protective gloves.
Ensure a proper cleaning.
The replacement of the main filter of the AdBlue™ or DEF
injection system, located under the system control unit,
must be carried out by the specialised personnel of your
authorised Argo Tractors Dealer.
Proceed as follows:
• Stop the engine.
Electrical connection
– Remove cable connections.
• Place a suitable collection vessel.
• Remove the cover.
Use a 27 mm socket wrench
• Slide the filter element and the compensator out.
• Insert the new filter element and the compensator.
• Assemble the cover.
Driving torque value 22,5 ±2,5 Nm
Electrical connection
– Fit the cable connections back.
• Start
IMPORTANT: Only use original parts; these parts have
been specifically designed to provide superior engine
protection.
IMPORTANT: Dispose of filter in accordance with local
law requirements. DO NOT drain fuel on the ground, into
a drain or into a container that can leak. Be responsible
for the environment.
NOTE: at every replacement of the main filter, also clean
the filters (4) mounted in the supply module connection
lines.
1 - Cover
2 - Compensator
3 - Filter cartridge
4 - Filter
2
3
4
4
7-78
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 48
Check tightening of steering cylin-
der ball joints
Have the knuckle joint nuts (1) checked by your Argo Trac-
tors Dealer after the first 50 hours and then after every
1000 hours service.
Maintenance
7-79
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 49
Check the concentration of additive
in the coolant
CAUTION: Hot coolant may cause burns!
The cooling system is under pressure! Open
the plug only after the system has cooled
down.
The concentration of the protective agent for
the cooling system must be the prescribed
one!
For coolants handling, comply with safety
rules and local specific safety practices.
In case of radiator on the outside, follow the
directions of the manufacturer. Dispose of
any spilt coolant fluid according to the rules
in force and do not let it seep into the soil.
The cooling system protective agents must be
ordered by your Argo Tractors Dealer.
Never operate the engine without coolant, not
even for a short time!
Open the cooling system plug very carefully.
With a tester for antifreeze as available on the market
(1) (e.g. hydrometer or refractometer), check the con-
centration of additive in the coolant in the radiator or
the compensation vessel (2).
Additive concentration in the coolant as content ratio
in the coolant mix:
Percentage of
protective agent
for the cooling
system
Water percent-
age
Protection from
cold up to
min. 35 % 65 % -22 °C
40 % 60 % -28 °C
45 % 55 % -35 °C
max. 50 % 50 % -41 °C
7-80
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
STEP 50
Lubrication of PTO shaft
WARNING: always use the specific PPE for the opera-
tion to be carried out. Beware of burns caused by hot
tractor and engine parts. [2.n]
Every 500 hours, lubricate the inner and outer splining of
the PTO shaft.
NOTE: use lithium grease of the prescribed type.
The imagines are shown here for explanatory purposes
only.
Maintenance
7-81
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
CAB FILTER - MAINTENANCE ON REQUEST
NOTE: it is advisable to inspect and clean the cab intake
air filter at suitable intervals, especially when working in a
dusty environment (always refer to the intervals prescribed
by the table). Keep the air filter clean for efficient operation
of the heating and cooling system. Replace with genuine
parts if damaged or when the filter cannot be cleaned.
CAUTION: Remember that the cab filter is not
suitable for chemicals in general.
Absolute protection against these products
can therefore only be achieved by taking
the precautionary measures required by the
degree of harmfulness of the actual products
used.
It is essential to strictly conform to this latter
precaution for all types of filter whose use
requires compliance with the envisaged opera-
tion and maintenance instructions.
However, even use of filters to protect against
chemicals in general does not exempt opera-
tors from taking all the personal precautions
recommended for use of such products.
These specific filters must only be mounted
when the actual chemicals are being used and
must then be replaced with the normal paper
filters supplied with the machine at the end
of each treatment.
Do not use them during the other processes
since the dust would quickly clog them.
Carefully comply with the operating instruc-
tions on the filter packages or labels. Contact
your authorised Argo Tractors Dealer if spe-
cific filters against chemicals must be used.
IMPORTANT: Always wear protective clothing, e.g.
overalls, goggles, gloves and face mask when preparing
equipment for chemical spraying operations and ALWAYS
follow the chemical manufacturers instructions.
This type of tractor CANNOT be used to spray chemicals,
unless the operator within the cab is wearing a complete
protective suit.
The air filters in the cab must be checked weekly or daily
if used in extreme conditions.
NOTE: This element gives no protection against chemi-
cal spray.
WARNING: Always wear the right sort of personal protec-
tive equipment to protect against the harmful products
used.
WARNING: Take the filter off before washing the cab.
If the cab is washed and the special filter has not been
demounted, take care to prevent the jet of water from
splashing on to the protective grille. otherwise your cab's
special filter will be irreparably damaged.
WARNING: If active carbon filters are used, mount only
original filters supplied in a sealed package: comply with
Fig.7-20
7-82
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
the operating instructions on the container and enclosed
in the filter package. Carefully comply with the operating
instructions on the filter packages or labels. Replace the
filters at the intervals specified by the filter manufacturer.
Contact your Argo Tractors Dealer if specific filters against
chemicals must be used.
Always wear the right sort of personal protective equip-
ment to protect against the harmful products used.
WARNING: The Manufacturer has no responsibility
whatever, either direct or indirect, for application of spe-
cial filters and/or changes to the air intake system of the
cab. Every change to the cab intake system can result in
a health hazard for the operator and significantly alter the
performance of the air conditioning system. In any case,
the cab is not guaranteed as perfectly dust-tight. Always
wear individual protections when working in particularly
dusty environment.
IMPORTANT: before fitting the filter back, visually check
that the filter seals are not damaged. They must not be
bent or damaged in any way. Replace the complete filter
if required.
Protection level [6.3.2.b]
CAUTION: Tractors with cabs have no protection
against dangerous substances, but do have protection
against dust (protection level 2). If the tractor is used
to spray phytosanitary products or chemicals gener-
ally thought of as hazardous to health, the operator
must wear individual protections (mask) suitable to
the harmfulness of the actual product used.
Maintenance
7-83
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
GENERAL MAINTENANCE
Air conditioning system
CAUTION: Never attempt to open the air conditioning system. Liquid refrigerant can cause severe and
painful frostbite. Contact your dealer, who is experienced in servicing and handling of refrigerants.
Air conditioned cab
Besides being able to provide an optimum temperature
in the cab, this system also lowers the degree of humid-
ity in the air.
Safety notes
The air conditioner is a safe system that is able to ensure
lasting and risk-free use. However, it is important to com-
ply with certain simple precautions (listed below) in order
to prevent possible accidents.
Never work on the conditioning system yourselves.
Always contact the specialised technicians of the
Assistance Service.
Keep naked flames well away from the air conditioning
system as leaking coolant could give rise to a deadly
gas: punzione..
The mixture of oil and coolant in the air conditioning
system is under pressure.
Never ever loosen any unions or tamper with the
pipes.
For the same reason, you must never unscrew the
compressor's oil level check plug.
• Coolant can freeze the skin and particularly the eyes.
Proceed in the following way if accidents occur:
– if coolant has splashed into the eyes, wash them out
immediately with a few drops of mineral oil, then
continue to wash them with a solution of boric acid
and water (one teaspoon of acid in 1/4 of a cup of
water) and immediately seek medical help;
- areas frozen by coolant fluid can be treated by pro-
gressively warming the injured zone with cold water
and then applying a greasy cream.
However, always seek medical help if such accidents
occur.
Keep the air conditioning system well away from heat
sources as explosions could occur.
System check
The cab air conditioner is equipped with a system to
protect the compressor from high or low refrigerant
pressures.
Have your conditioning system checked once a year by
specialised personnel at your Dealer's.
DANGER: Always wear protective clothing in
case of leaks. Coolant can injury the eyes.
The coolant produces a toxic gas if it contacts
a flame.
7-84
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Periodical inspections
At least once every three months:
remove any foreign bodies from between the evapora-
tor and condenser fins;
check the tension of the compressor belt;
allow the engine to run at a rate of 1500 rpm. In the
meantime keep the dehydrator filter under observation:
the glass should be clear, without air bubbles or white
liquid.
check the conditions of the pipes, unions and support-
ing brackets;
– make sure that the drain pipes are efficient and remove
the condensation from the evaporator;
make sure that the screws and fixing nuts of the pul-
leys and compressor are well tightened.
Maintenance
If the conditioning system remains unused for a long pe-
riod of time, it must be turned on for a few minutes each
month to allow the oil to circulate around the circuit and
to keep the seals in an efficient condition.
Only operate the conditioner when the engine is hot and
the temperature in the cab has reached 20°C.
Yearly maintenance
Have your Dealer's specialised personnel carry out the
following operations at the beginning of the season:
check the level of the oil in the compressor and top it
up if necessary;
make sure that the system is tight by means of a leak
tester and top up the HFC 134a gas if necessary, or
replace the dehydrator filter only if strictly necessary;
carry out a functional test on the system.
General maintenance of the cab
After servicing the outer parts of the cab, proceed with
the following inspections:
1.
Periodically check to make sure that no water has col-
lected in the zones covered with mats or upholstery.
2. Protect the hinges and locks of the doors, sun roof
and openable windows with
water-repellent lubricating products.
3. Use special cleaning products to clean the windows,
or sulphuric ether, if necessary.
4. Detach the windscreen wiper and sprinkle talcum on
the rubber wiper.
5. Leave the doors or sun-roof partially open.
Washing the outside of the tractor
For a correct washing of the outside of the tractor, pro-
ceed as follows:
1. Disconnect any tools or implements to be cleaned
separately.
2. Close each window, side doors and the roof hatch
correctly.
3. Wash the outside of the tractor with a high-pressure
washer, with the following precautions:
- The water jet must hit the tractor with an angle between
45° and 90°.
- Adjust the pressure to maximum 30 bar.
- Keep a distance higher than 80 cm.
- Adjust the temperature to maximum 50° C.
Cab upholstery
WARNING: Use water and a neutral detergent to clean
the coatings, the controls and the PU dashboard. Any
commercial product to clean car interiors may be used
DO NOT use any products deriving from hydrocar-
bons, ketonic or aromatic solvents, or cleaning spirits
of any kind.
Specifications
Coolant fluid .........................................................R 134 A
Air conditioning system reloading
- Quantity of gas to be loaded: 1050 g (± 25 g)
- Keep the gas unit steady when filling the circuit, in
order to allow for a precise reading of the gas weight
in any moment.
- Operating pressure (20 bar).
IMPORTANT: This tractor uses a R134 coolant that does
not damage the ozone layer. Never recharge the air condi-
tioning system with refrigerant other than HERTZ-134a as
this will result in loss of cooling and permanent damage
to all air conditioning components.
Check the tension of the compressor belt as indicated in
the Routine Maintenance chapter.
DANGER: Wear safety garments and goggles
in case of leaks. Coolant can injury the eyes.
The coolant produces a toxic gas if it contacts
a flame.
WARNING: If you need to open the bonnet, follow the procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the operation concerned.
WARNING: Service operations must be carried out with the engine off. Check that the gear and the parking brake
are both engaged and that the ignition key has been removed.
Maintenance
7-85
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
GENERAL MAINTENANCE
WARNING: If you need to open the bonnet, follow the procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the operation concerned.
WARNING: Service operations must be carried out with the engine off. Check that the gear and the parking brake
are both engaged and that the ignition key has been removed.
WARNING: beware of burns caused by hot tractor and engine parts. [2.n]
Cleaning of viscous fan drive
During cleaning and maintenance of the engine and
radiator, be careful not to cause damage to the viscous
fan drive.
DO NOT restrict the fan blade rotation during engine
operation.
DO NOT remove the bi-metal coil (1) on the front of
the drive.
Check the fan and drive for external damage or erratic
operation. See your dealer if service is required.
Cleaning of operator and passenger
seats
Before removing stains, use a vacuum cleaner to remove
loose dirt.
Find what type and how old the stains are. Some stains
can be removed with water or soap solution.
CLEANER FLUID - This type of cleaner can be used for
grease or oil stains, follow manufactures instructions.
FOAM CLEANER: This type of cleaner is good for all
stains, follow manufactures instructions.
CAUTION: Never use petroleum spirit, naph-
tha or any other volatile material for any
cleaning purposes. These materials may be
toxic and/or flammable.
NOTE: Do not make the material wet or clean with a hard
brush. Clean with a damp cloth only. Immediately after the
material is clean, dry the material with dry cloth.
Dashboard and control coverings
WARNING: Use water and a neutral detergent to clean
the coatings, the controls and the PU dashboard. Any
commercial product to clean car interiors may be
used.
DO NOT use any products deriving from hydrocar-
bons, ketonic or aromatic solvents, or cleaning spirits
of any kind.
Functional test of the safety belts
CAUTION: Always securely fasten your safety
belt. Your tractor is equipped with a ROPS cab
or frame for your protection. The seat belt
can help insure your safety if it is used and
maintained. Never wear a seat belt loosely or
with slack in the belt system. Never wear the
belt in a twisted condition or pinched between
the seat structural members.
- Keep sharp edges and items that can cause damage,
away from the belt.
- From time to time, check belt, buckles and mounting
bolts for damage.
- Replace all parts that are worn or damaged.
- Replace a belt that has cuts that can weaken the belt.
- Check that the bolts are tight on the seat bracket.
- Keep seat belt clean and dry.
- Clean belt only with a soap solution and warm water.
- Do not use bleach or dye on the belt because this can
make the belt weak.
General tractor inspection
Inspect the hoses and fittings for damage and leaks.
Check all hoses for damage and that hose clamps are
tight, correct torque is about 3.4 Nm.
Check all wiring for damage. If damaged, contact your
Dealer for the genuine Argo Tractors spare parts.
7-86
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Preparing for long idle periods
Take the following precautionary measures when your
tractor is not going to be used for a long period of time.
To carry out the operations described hereunder, see the
sections relative to the maintenance of the various parts.
Always use specific personal safety devices for each
service operation.
-
park the tractor in a dry, sheltered place
- turn the master battery disconnector switch anticlock-
wise to deactivate it.
- drain, flush and fill the cooling system with the correct
antifreeze mixture to protect the tractor from the lowest
expected temperature.
- grease all points provided with grease nipples
- clean the fuel filter
- generally clean the tractor, particularly the bodywork
components. Protect the painted parts by applying
silicone wax and the unpainted metal parts by applying
protective lubricant. Park the tractor in a dry, sheltered
and possibly ventilated place
- make sure that all controls are in idle and/or neutral
position
- always remove the ignition key from the ignition switch
- make sure that the cylinder stems (of the power steer-
ing, hitch systems, etc.) are positioned
- empty the fuel tank and fill it with new diesel fuel until
the maximum level is reached
- the batteries do not need to be removed from the trac-
tor, except for extended storage (more than 30 days)
below freezing temperatures. The batteries must be
fully charged to prevent freezing. Disconnect the nega-
tive (-) ground cable at the batteries to prevent possible
discharge.
- for long idle periods, remove the battery, clean the cover
and spread Vaseline on the terminals and terminal caps.
Now place the battery in a ventilated place where the
temperature is not liable to drop below 10°C and where
it is not exposed to direct sunlight
- check the battery charge with a voltmeter as described
in the battery part of this section. Recharge if required
- store the tractor where there is protection from sunlight.
Clean the tyres
- place stands or other supports under the axles in order
to take the weight off the wheels. When the tractor is
raised in this way, it is advisable to deflate the tyres. If
this is not possible, the tyre pressure must be periodi-
cally checked.
- cover the tractor with a tarpaulin (not plastic or water-
proof).
WARNING: At the end of the idle period, when you
start the engine again, pay particular attention to the
instructions about starting the engine in the Opera-
tion chapter.
Removing the tractor from storage
WARNING: At the end of the idle period, when you
start the engine again, pay particular attention to the
instructions about starting the engine in the Opera-
tion chapter.
To carry out the operations described hereunder, see the
sections relative to the maintenance of the various parts.
Always use specific personal safety devices for each
service operation.
- Open the fuel filter drain plug and remove contaminated
fuel. Close the drain plug.
- Top up the level of oil in the engine crankcase.
- Check the coolant level in the reservoir and radiator.
- Check that the batteries are fully charged.
- Connect the ground cable(s) (-) and tighten all terminals.
- Check the transmission/hydraulic fluid level and link-
ages.
- Check the front (if equipped) and rear hitch.
- Check and adjust the tension on all drive belts.
- Inflate the tyres to the correct operating pressures.
- Make sure that all shields and guards are in the correct
position.
- Do not accelerate the engine rapidly, or operate at high
RPM immediately after starting.
CAUTION: Before starting the engine, be sure
all operating controls are in neutral and the
park brake applied. This will eliminate acci-
dental movement of the machine on start-up
or power driven equipment.
CAUTION: Do not operate the engine in a
closed building. Always make sure that there
is adequate ventilation.
Maintenance
7-87
7
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fire prevention
To carry out the operations described hereunder, see the
sections relative to the maintenance of the various parts.
Always use specific personal safety devices for each
service operation.
Fire risks can be minimised by frequent removal of accu-
mulated crop material, trash or debris from the machine.
Remove all crop material, trash or debris at the start of
each working day. Take extra care to make sure the engine
area and exhaust system are clean.
It is your responsibility to remove and/or clean your ma-
chine on a regular basis.
Fire risk can also be minimised by prompt repairing of
leaks and cleaning up fuel and oil spills.
Engine fuel is flammable and can cause a fire or an
explosion. DO NOT fill the fuel tank or service the fuel
system near an naked flame, welding, burning cigars,
cigarettes etc.
Sparks or flames can cause the hydrogen gas in a battery
to explode. To prevent an explosion, do the following:
- When disconnecting the battery cables, disconnect the
negative (-) cable first. When connecting the battery
cables, connect the negative (-) cable last.
- DO NOT connect jumper cables to start the engine. The
engine can be started ONLY by the ignition procedure
described in this manual.
- DO NOT short circuit the battery posts with metal
items.
- DO NOT solder or smoke near the battery.
Check the electrical system for loose, tampered with or
poorly insulated connections. Repair or replace the loose
or damaged parts.
Bleeding of left reservoir in the air
braking system (if equipped)
The reservoirs are provided with an automatic drain (1)
of condense water.
Before any service operation on the air braking system,
air in the system MUST be discharged by means of the
discharge valves in the air reservoirs.
If the tyres are replaced, always take care that a suitable
space is left to the tubes and reservoirs of the air braking
system to avoid any malfunctions.
1
7-88
Maintenance
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Electrical system
8-1
8
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Section 8
Electrical system
8-2
Electrical system
P/N 6622427A2 - X6.35 - X6.45 - X6.55
BATTERY
With a maintenance free battery (1 Fig.8-1), it is normally
not necessary to frequently check the electrolyte and
charge levels.
To check its charge, proceed as follows, with the engine
stopped, the battery at rest and cold, and the tractor
parked on level ground.
1. Turn the battery disconnector switch anti-clockwise,
to the “disconnected battery” position (1).
2. Open the bonnet.
3. Connect the voltmeter and check the battery status.
4. Recharge the battery.
5. Close the bonnet.
WARNING: Do not use acid to top up the bat-
tery. The electrolyte will boil over. Use only
deionised distilled water and top up to a level
of 5/6 mm over the battery cells.
WARNING
Battery posts, terminals, and related accessories
contain lead and lead compounds, chemicals
known to the State of California to cause cancer and
reproductive harm. Wash your hands after handling.
Check the charge condition with a voltmeter. Do not use
quick battery chargers to recharge the batteries.
NOTE: if the battery must be topped up frequently or
tends to discharge, have the electric system of your trac-
tor checked by your authorized Argo Tractors Dealer’s
specialised personnel.
WARNING: Remember to disconnect the wires
before you recharge the battery. It is advisable
to remove the battery from its housing and to
recharge it well away from the tractor.
WARNING: The place in which the battery is
recharged must be well ventilated. Do not
smoke or work with tools liable to produce
sparks or flames whilst the battery is being
recharged.
[2.l]
NOTE: See the Maintenance section of this manual for a
description of battery replacement procedure.
WARNING: According to the Law it is mandato-
ry to dispose of batteries in suitable containers
provided to this purpose at authorised centres.
DO NOT dispose of them in the environment.
WARNING: If you need to open the bonnet, follow the
procedure indicated under “How to open the bonnet”.
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: Beware of burns caused by hot tractor and
engine parts. [2.n]
Fig.8-1
Fig. 8-1A
Electrical system
8-3
8
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Recommendations [2.l]
The following rules must be respected to preserve an
efficient battery:
- Keep the battery clean and dry, particularly on top.
- If the battery acid must be topped up, use distilled water
only,
- Make sure that the cable terminal nuts are well fixed to
the battery terminals.
- Always use a wrench and not pliers to tighten and
loosen the terminal nuts.
- Smear terminals with petroleum jelly (not grease) to
protect them from oxidation.
- Never let the battery run completely down. If possible,
recharge monthly.
WARNING: Battery electrolyte contains sul-
furic acid and can cause serious burns. The
following good practices are therefore recom-
mended.
- Wear leather heavy-duty gloves and protective
clothes. In case of contact with the skin, wash with
plenty of water.
- Batteries release flammable gases that can cause an
explosion.
- DO NOT go near the battery with naked flames or
cigarettes.
- In case of contact with the eyes, first flush with water,
then seek medical help.
- Keep batteries well out of children's reach.
- It contains lead: NEVER dispose of batteries in gen-
eral waste.
- Deliver and dispose of exhausted batteries only
in suitable containers provided to this purpose at
authorised centres, according to local rules.
NOTE: Proceed as described below when the old battery
must be replaced with a new one:
- Turn the master disconnect switch clockwise on OFF.
- first disconnect the terminal with the negative (-) sign
and then the one with the positive (+) sign;
- fit the new battery into its housing without tightening
the fixing screws too much;
- clean the terminals and connect them to the battery
poles. Make sure you connect the positive (+) pole
first and the negative (-) pole last;
- fully tighten the terminal screws on to the poles and
protect them with Vaseline.
Battery system servicing
WARNING: Always use the specific PPE for the opera-
tion concerned.
Follow these general rules to prevent damage to the
electrical system.
Before working on the electrical system, disconnect
the battery cables, ground cable first, or turn off the
master switch and remove the key.
Do not make a reverse battery connection.
When you use an auxiliary battery for starting, connect
negative (-) to negative (-) and positive (+) to positive
(+). Use the auxiliary battery connections provided on
the tractor (if equipped).
When charging the tractor batteries, use the auxiliary
battery connections on the tractor (if equipped). Do not
attach directly to the battery terminals. Do not use a
battery charging machine for starting the tractor.
Never operate the tractor when the battery cables are
disconnected.
When you carry out maintenance on the engine, cover
the alternator to prevent foreign material from entering.
If electric welding is necessary, do the following to
protect the electrical components:
A. Disconnect the batteries or turn off the master
switch (if equipped).
B. Disconnect the instrument cluster harness.
C. Disconnect the alternator.
D. Disconnect all controllers and in particular the en-
gine controller.
Put the welding equipment ground cable as close as you
can to the weld area.
Do not put the ground cable where the current can flow
through bearings or along channels with wiring harnesses.
When batteries are no longer used
When the tractor is not used, the batteries should be
charged every six weeks to maintain their charges. The
battery will slowly discharge when it is not used. A dis-
charged battery may freeze at low temperatures, causing
damage to the tractor and to the battery itself.
NOTE:
Do not discard batteries along with normal waste as
they damage the environment. Contact your local selective
waste collection centre or your dealer for information about
how to dispose of batteries in the correct way.
8-4
Electrical system
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Electrical system - General warnings
It is absolutely forbidden to make changes or connections
to the data interconnecting lines between control units
(CAN-BUS lines). They are to be considered as INVIOLA-
BLE. All diagnostic and maintenance operations may only
be carried out by authorised technicians, with specific
appliances approved by Argo Tractors.
Use only fuses with the rated capacity for their specific
function. Do not ever use fuses with higher rated capacity.
Replace a blown fuse only after correcting the relative mal-
function and turn off any keys and users before replacing.
Please keep in mind that electrical systems made by un-
qualified persons might severely damage the systems on
board the tractor (control units, harnesses, sensors etc.),
and jeopardize the riding safety and good operation of
the tractor. Such damages ARE NOT COVERED BY OUR
CONTRACT WARRANTY.
Never disconnect control unit and sensor connectors
while the engine is running and the control units are
powered.
Negative conductors connected to a grounding point of
the system must be as short as possible and star con-
nected with each other.
As a principle, the grounding connections of the tractor
may not be changed.
If the creation of further grounding points is required, the
holes already provided on the frame must be used, taking
care of the following
- remove lacquer from the frame
- use a suitable highly conductive lacquer between frame
and cable terminal.
- connect the ground within 5 minutes from lacquer ap-
plication.
THE POINTS PROVIDED FOR ENGINE CONNECTION
TO GROUND MUST BE ABSOLUTELY AVOIDED FOR
GROUND CONNECTIONS - Fig.8-2
1- Ground connection; A. Efficient grounding point;
B. Not efficient grounding point.
2 - Cable fastening: A. Screw; B. Cable terminal; C.
Washer; D. Nut.
3- Correctly grounded cable.
B
A
Fig.8-2
Starter motor
The starter motor should be thoroughly cleaned after pe-
riods of 1000 hours or at least once a year. Particularly
check the condition of the brushes and collector.
Alternator
The alternator keeps the battery fully charged.
The alternator is a brushless model and requires no special
maintenance. However, the following precautions must
be observed.
1 - When fitting a battery, make sure that the positive
and negative terminals are connected to the same
leads as the alternator. If the battery terminals are
inverted, you will short circuit the battery through the
alternator diodes.
2 - When connecting the battery to a charger, make sure
that the positive (+) lead of the charger is connected
to the positive of the battery and the negative (-) to
the negative. Incorrect connection will damage the
diodes and the other circuit components.
3 - Never run the alternator unless it is properly con-
nected.
If the battery is not connected, high voltages can build
up inside the alternator that can be extremely danger-
ous if the output terminal is touched.
Make sure that all connections are firm and tight
before carrying out any inspections or tests on the
electrical system.
4 - Never short circuit or earth any of the alternator ter-
minals. This could damage the electrical system.
5 - Never invert the alternator connections. The battery
and alternator earths must be of the same sign or
the alternator diodes will be damaged.
6 - Always disconnect both alternator terminals before
undertaking any electric arc welding on the tractor.
CAUTION Always use the specific PPE for the opera-
tion concerned.
Electrical system
8-5
8
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Headlights
As you can use your tractor on public roads, the lighting
must comply with the applicable traffic and road regula-
tions. Periodically check headlight alignment in the fol-
lowing way:
Checking headlight alignment (Fig.8-4)
- Halt the tractor on level ground facing a shaded wall
(preferably white). The tractor must be unloaded and
the tyres correctly inflated. Mark two crosses on the
wall in front of the tractor headlight centres.
- Reverse the tractor 5 meters (16.4 ft) away from the
wall.
- Switch on the main beam.
The centre of each beam must be vertically aligned with
the crosses on the wall.
A maximum outward divergence of 130 mm (5 in) is
acceptable.
- Switch on the dipped beams.
The line separating the lighted area from the dark area
must fall below the crosses and must be separated
from their centres by at least 1/20th of the height of
the crosses from the ground.
- Adjust the headlight alignment screws to correct align-
ment as necessary (1-Fig.8-3).
Fig.6-3 - Screws for headlight alignment.
Fig.8-4 - Checking headlight alignment
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: Beware of burns caused by hot tractor and
engine parts. [2.n]
8-6
Electrical system
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Replacement of bulbs in the head-
lights. Fig.8-5
1 - Remove the connector (3).
2 - Remove the rubber guard (2).
3 - Slacken off the retention spring (4).
4 - Remove the faulty bulb (1).
5 - Fit in a new bulb. Remember not to hold the bulb in
your hand. Use a cloth to handle the bulb whilst it is
being fitted.
6 - Fit the parts back in place by proceeding through the
instructions in reverse order.
How to replace the bulbs in the rear
side lights and hazard lights
1 - Loosen the screws (1 - Fig.8-6) and remove the glass
cover.
2 - Press the bulb inwards and turn it in the anti-clockwise
direction to replace it.
3 - Fit the glass again with the screws (1 - Fig.8-6).
Fig.8-5
How to replace the bulbs in the front
side lights and hazard lights - Fig.8-8
1 - Loosen the screws (1) and remove the glass cover.
2 - Replace the faulty bulb (2 or 3, Fig.8-8).
Press the bulb inwards and turn it in the anti-clockwise
direction to replace it.
3 - Fit the glass again with the screws (1).
Fig.8-8
WARNING: If you need to open the bonnet, follow the
procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: Beware of burns caused by hot tractor and
engine parts. [2.n]
Fig.8-6
Fig.8-7
Electrical system
8-7
8
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Field lights
Front - Fig.8-9
1. Turn the field light (1) to access the lamp to be replaced.
2. Rotate the lamp in a clockwise direction and remove it
3. Fit a new lamp (1). Remember not to touch the lamp
surface with your fingers.
4. Adjust the field light position as required.
Rear - Fig.8-10
1. Loosen the screws (1) and remove the glass cover.
2. Rotate the lamp in a clockwise direction and remove it
3. Fit a new lamp (2). Remember not to touch the lamp
surface with your fingers.
4. Fit the glass again with the screws (1).
Fig.8-10
Fig.8-9
2
1
1
8-8
Electrical system
P/N 6622427A2 - X6.35 - X6.45 - X6.55
FUSES AND RELAYS
The tractor’s electrical system is protected by fuses
against short circuits and excessive power draw. The
number of the fuses in the electrical system depends on
the tractor model.
The PDU box, with power fuses, is mounted in the front,
near the power battery.
NOTE: Before replacing a blown fuse with a new,
equivalent one, the cause that led to the fault should be
ascertained and removed.
WARNING: To carry out this operation, engage the first
gear, turn off the engine, engage the parking brake,
remove the ignition key and disconnect the battery.
WARNING: If you need to open the bonnet, follow the
procedure indicated under “How to open the bonnet”.
WARNING: Always use the specific PPE for the opera-
tion concerned.
WARNING: Beware of burns caused by hot tractor and
engine parts. [2.n]
Fig.8-11A
Fig.8-12A
Position
User - Fig. 8-11A - Fig. 8-12A Amp.
FF1 Engine controller fuse 30
FF2 Fuse for controller power supply 20
FF3
AdBlue
pre-heaters power fuse
30
FF4 EBS socket fuse for trailer 25
FF5 Power fuse to engine accelerators sensors 5
FF6 Starter motor power fuse 20
FF7 Fuel pump fuse 20
FF8 Power fuse for Nox sensor SCR 15
F1
AdBlue
quality sensor fuse
5
F3 Fuse for ceiling light and radio memory 10
F4
Instrument cluster fuse (direct BUS BAR) - PDU
7.5
F8
Glow plugs preheating fuse
100
F9
Fuse for cab and roof users
125
Relay
Function - Fig. 8-11A
KF1 Fuel pump relay
KF2
AdBlue
control relay
KF3 Relay for control unit power supply
KF4 Starter motor relay
Electrical system
8-9
8
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fuses and relays
Main fuses and relays are installed in the dashboard line
wiring, in the control turret on the left side, under the
covering of the storage space. Remove the covering of
the storage space on the left side to access them. Loosen
the screw (1 - Fig.8-13A) and remove the glass cover.
NOTE: Before replacing a blown fuse with a new,
equivalent one, the cause that led to the fault should be
ascertained and removed.
WARNING: To carry out this operation, engage the first
gear, turn off the engine, engage the parking brake
and remove the ignition key.
Fig.8-13A
Fuse User - Fig. 8-13A Amp.
FA1 Transmission controller fuse (key-operated) 7,5
FA2 Emergency switch fuse 15
FA3 Left sidelight fuse 5
FA4 Right sidelight fuse 5
FA5 Front field light fuse 10
FA6 High beam fuse 15
FA7 Low beams fuse 10
FA8 Air seat fuse 10
FB1 Turn indicator fuse 10
FB2 Brake lights and diff lock sol.valve fuse 10
FB3 Fuse for field lights on bonnet 15
FB4 Turn indicator fuse (NAO setup) 7,5
FB5 Not used -
FB6 Fuse for trailer hydraulic and air braking 5
FB7 Controller fuse CAN/ISO 11786 10
FB8
Fuse for key-operated right covering auxiliary
socket
5
FC1
Fuse direct power supply to auxiliary socket
right covering
25
FC2 4WD fuse 5
FC3 Fuse for rotary beacon 15
FC4
Fuse for marker lights, horn, flash coil of the
high and low beams
10
FC5 Ignition key block fuse 20
FC6 Ignition lock relay fuse 5
FC7 Key-operated instrument fuse 7,5
FC8 Electronic hitch fuse 7,5
FD1 Rear roof field light fuse 10
FD2
Front+rear window washer fuse - front+rear
window wiper + radio
15
FD3
Transmission controller fuse (direct from
battery)
7,5
FD4 Key-operated EBS socket fuse 10
FD5 Front PTO fuse 5
FD6
Fuse for auxiliary and key-operated relays for
front hitch line
5
FD7 Cigarette lighter fuse 10
FD8 Not used -
FE1 Rear hydraulic valve system fuse 7,5
FE2 ISOBUS power fuse 10
FE3
Fuse for supply to satellite autoguide an-
tenna
5
FE4 Suspended axle fuse (direct from battery) 10
FE5 Suspended axle fuse (key operated) 5
FE6 Trailer brake controller fuse (direct from battery) 10
FE7 Not used -
FE8 Rear LED field lights fuse 10
8-10
P/N 6622427A2 - X6.35 - X6.45 - X6.55
7.5 A
F
A
1
15 A
F
A
2
5 A
F
A
3
5 A
F
A
4
10 A
F
A
5
15 A
F
A
6
10 A
F
A
7
10 A
F
A
8
10 A
F
B
1
10 A
F
B
2
20 A
F
B
3
7.5 A
F
B
4
5 A
F
B
5
5 A
F
B
6
10 A
F
B
7
5 A
F
B
8
POSITION
LIGHT
25 A
F
C
1
F
C
2
15 A
F
C
3
10 A
F
C
4
25 A
F
C
5
5 A
F
C
6
7.5 A
F
C
7
7.5 A
F
C
8
10 A
F
D
1
15 A
F
D
2
F
D
3
F
D
4
5 A
F
D
5
5 A
F
D
6
10 A
F
D
7
F
D
8
T.C.
POSITION
LIGHT
STOP
NAO
11786
CAN/ISO
CONTR.
12V
12V
00000
00
KEY ON
CLUSTER
HITCH
FUSE
FREE
25 A
START
7.5 A
F
E
1
10 A
F
E
2
F
E
3
F
E
4
5 A
F
E
5
10 A
F
E
6
F
E
7
F
E
8
FUSE
FREE
5 A
10 A
10 A
EBS
10 A
+12V
KEY 12
BATTERY
7.5 A
LOCK
PARK
20 A
F
G
1
30 A
F
G
2
30 A
F
G
3
30 A
F
G
4
3 A
F
G
5
7.5 A
F
G
6
F
G
7
F
G
8
F
H
1
F
H
2
F
H
3
F
H
4
FAN AIR FAN AIR FAN AIR FAN AIR
FUSE
FREE
FUSE
FREE
FUSE
FREE
FUSE
FREE
FUSE
FREE
FUSE
FREE
T.C.
RPM x 100
C
1/2
4/4
0
15
0
5
10
20
30
25
80
125
50
540
540E
Electrical system
8-11
8
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fuses and relays (cab roof line)
(Fig. 8-13A)
NOTE: Before replacing a blown fuse with a new,
equivalent one, the cause that led to the fault should be
ascertained and removed.
WARNING: To carry out this operation, engage the first
gear, turn off the engine, engage the parking brake
and remove the ignition key.
Fuse User - Fig. 8-13A Amp.
FG1 Fan fuse (pos. 1). 20
FG2 Fan fuse (pos. 2). 30
FG3 Fan fuse, left (pos. 3). 30
FG4 Fan fuse, right (pos. 3). 30
FG5 Fuse for key-operated power supplies on roof 3
FG6 A/C compressor fuse 7.5
Relays Function - Fig. 8-13A
KA1 Park Lock relay
KA2 Relay for low beams on bonnet
KA3 PTO stationary control relay
KA4 Auxiliary relay
KB1 Brake pedals control relay
KB2 Auxiliary relay
KB3 Differential lock self-retaining relay
KB4 Auxiliary relay
KC1 Immobiliser relay
KC2
Hand brake enabling relay, trailer air and hydraulic
braking system
KD2 Relay for high beams on bonnet
KD3 Relay for diverter valve control
KD4 Auxiliary relay for users on roof
KE1 Right brake pedal relay
KE2 Left brake pedal relay
KE3 Relay for 4WD engagement with brake pedals
KE4 Trailer brake controller relay
Relays Function - Fig. 8-13A
KG1 Fan relay (pos. 1).
KG2 Fan relay (pos. 2).
KG3 A/C compressor relay
KH1 Fan relay, left (pos. 3).
KH2 Fan relay, right (pos. 3).
Relay to manage the AdBlue system
The relays in the following table are used to manage the
AdBlue® system. They are mounted on the left side, near
the diesel fuel and AdBlue™ tanks. Remove the relative
protective cover to access the relays.
Relays Function - Fig. 8-13B
KI1
Relay enabling AdBlue
heaters
KI2
Relay for power to AdBlue
heaters
KI3
Relay to AdBlue
heater 1
KI4
Relay to AdBlue
heater 2
KI5
Relay to AdBlue
heater 3
Fig.8-13B
8-12
Electrical system
P/N 6622427A2 - X6.35 - X6.45 - X6.55
7-pin power socket for trailer
A 7-pole power socket is installed on the rear of the trac-
tor (1 - Fig.8-14). This socket is used to connect the light
circuits of the trailer.
WARNING: Always use the specific PPE for the opera-
tion concerned. Beware of burns caused by hot tractor
and engine parts. [2.n]
Connections (Fig.8-15)
1. Left turn indicator; 2. Not used; 3. Earth; 4. Right turn
indicator; 5. Rh rear side light; 6. Brake lights; 7. Lh rear
side light.
Connections and correspondences for 7-pole
power socket according to ISO-SAE standards
(Fig.8-15).
1. Left turn indicator.
2. Not used (Fog lights - if equipped);
3. Ground;
4. Right turn indicator;
5. Rh rear side light;
6. Brake lights.
7. Lh rear side light.
Connections in versions for North America:
1. Ground;
2. Rear field light;
3. Left turn indicator;
4. Battery positive;
5. Right turn indicator;
6. Parking lights;
7. 12 Volts key operated.
In the set-ups with front hitch, a 7-pole electric socket can
be mounted as an option for the trailer onto the radiator
core support (Fig. 8-15a).
Fig.8-14
Fig.8-15 View of 7-pin socket, cable insertion side
Fig. 8-15a
Electrical system
8-13
8
P/N 6622427A2 - X6.35 - X6.45 - X6.55
EBS power socket for trailer diagnosis
(ISO 7638) (if equipped)
In the rear part of a tractor a further “EBS” power socket
(1) can be fitted to standard ISO 7638, to connect the
diagnostic system of the trailer.
By the connection to the EBS socket (1) on the tractor, the
diagnostic system of the trailer will alert of any malfunc-
tion in the trailer.
Any malfunction will be signalled to the operator by the
alarm light
on the instrument cluster.
Should this indicator come up, immediately refer to your
authorized Argo Tractors Dealer.
WARNING: Always use the specific PPE for the opera-
tion concerned. beware of burns caused by hot tractor
and engine parts. [2.n]
WARNING: when inspecting the area of the three-point
hitch and of the trailer brake hitch, e.g. to view how the
connected implements are operating, it is mandatory
to keep a safety distance from these organs. No opera-
tion must be carried out that can be dangerous for
you or any other bystander. Maximum priority should
be given to the safety of all persons near the tractor.
Fig. 8-16
1
8-14
Electrical system
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig. 8-17
1
ISO socket (to standard ISO 11783)
(if equipped)
The socket (1) is mounted on the rear side outside the cab.
It allows exchange of information between an implement
(e.g. a controller) and the tractor according to international
standard ISO 11783.
In the cab a further socket ISOCAB can be mounted, on
the left side, also to ISO 11783.
NOTE: Always read the operator's manual supplied by the
manufacturer of the connected implement. Also view and
follow all safety warnings before using the implement.
NOTE: The TECU controller (Tractor Electronic Control Unit)
on this tractor is approved according to AEF standards.
Electrical system
8-15
8
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Fig. 8-18
Fig. 8-20
Fig. 8-19
Diagnostic connectors
The power sockets for diagnosis of any alarms in the trac-
tor are located on the left-hand side, just under the lining
of the storage space, near the main fuse box.
Remove the covering of the storage space on the left
side to access them.
Loosen the screw (1 - Fig.8-18) and remove the lining.
1. Transmission diagnosis power socket (interface to
DIAG4 Argo Tractors)
2. Engine diagnostic power socket.
NOTE: these sockets are exclusively reserved to the
specialized personnel of your Argo Tractors Dealer. It is
forbidden to connect other unauthorized equipment to
these sockets, to avoid damaging the electric and elec-
tronic circuits and the relative components of the tractor.
ISO sockets (if provided)
On the left side of the console, the following ISO sockets
can be mounted as an option:
1. ISO socket (to standard ISO 11786)
2. ISO socket (to standard ISO 11783)
For more information about the function of these sockets,
refer to section 3 “Controls - Cab” in this manual.
8-16
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Specifications - Alphabetical index
9-1
9
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Section 9
Specifications
Alphabetical index
ARGO TRACTORS constantly updates its range of products and
therefore reserves the right to undertake modifications, if appropri-
ate ad necessary, without prior notice.
All data and information contained in this publication could be
subject to changes.
Dimensions and weights are only approximate values and the
equipment shown by the pictures could not correspond to standard
models.
Precise data and information about models and equipment are
available at your ARGO TRACTORS Dealer.
9-2
Specifications
P/N 6622427A2 - X6.35 - X6.45 - X6.55
WEIGHTS AND DIMENSIONS OF TRACTOR
IMPORTANT: The dimensions and weights shown on the following pages are only approximate. They depend on many
factors, such as: tyre size, ballast, amount of fuel, tyre pressure etc.
Fig. 9-1
The above mentioned weights and dimensions are rough values, as they may change according to tyres.
NOTE: Overall width of the tractor may change according to the type of axle and to the rear track width setting.
NOTE: (only for UE Member States): An overall width over 2500 mm (8 feet) MAY REQUIRE local authorization for use on
the highway. For an overall width over 3000 mm (10 feet) a local authorization is MANDATORY.
General specifications of model
X6.35 - X6.45 - X6.55
Setup with
wide axle
Setup with
narrow axle
Weights
In running order, without ballast and without front
hitch (with driver and full levels and tanks)..........
kgs 4600 ÷ 4670
In running order, without ballast and with front
hitch (with driver and full levels and tanks)
kgs 4850 ÷ 5000
Dimensions
A. Height to cab roof .......................................... mm 2605 ÷ 2655
B. Wheelbase ...................................................... mm 2420
C. Max. length with front ballast ......................... mm 4552
Max. length without front ballast weights ...... mm 4256
D. Ground clearance (under front axle) ............... mm 437÷487
E. Min. - max. width* .......................................... mm 1763 ÷ 2500
F. Front track ...................................................... mm
See tracks table on page 6-12
G. Rear track ....................................................... mm
H. Height from rear wheel axis to cab roof (set-up
with rigid cab)
mm 1900
H. Height from rear wheel axis to cab roof (set-up
with suspended cab)
- in neutral middle position
- in max height position
mm
mm
1950
1985
* for road driving, see note hereunder
9-3
Specifications
9
P/N 6622427A2 - X6.35 - X6.45 - X6.55
ENGINE
X6.35 X6.45 X6.55
ENGINE
Tier 4 final DEUTZ-AG DEUTZ-AG DEUTZ-AG
ISO max. power rating hp/kW 110 / 81 119 / 88 126 / 93
ISO rated power rating hp/kW 105 / 77 113 / 83 120 / 88
Rated speed RPM 2200 2200 2200
Maximum torque Nm 440 476 500
Maximum torque rate rpm 1600 1600 1600
Bore/stroke mm 98 / 120 98 / 120 98 / 120
Swept volume (cm
3
) / cylinders n./ valves n. 3600 / 4 TA 3600 / 4 TA 3600 / 4 TA
Exhaust system S.C.R. + D.O.C.
Air Intake System
Air filter Two dry elements, with dust ejector (if installed)
Engine cooling system
Type Pressure system, thermostat controlled bypass, centrifugal type pump
Radiator In-line Tube and Fin Type
Radiator cap pressure ............................................................................................................................................. 1.03 bar
Fan drive type Viscous
Engine fuel system
Fuel injectors .............................................................................................................................................................. Bosch
Fuel primer pump ...................................................................................................................................................Electrical
Water trap and drain location ................................................................................................................Bottom of fuel filter
Cold starting aid .............................................................................................................................................Thermostarter
9-4
Specifications
P/N 6622427A2 - X6.35 - X6.45 - X6.55
ELECTRICAL SYSTEM
General Specifications
Type of system ..................................................................................................................................... 12 V, negative ground
Battery (cold climate) .......................................................................1 12 V battery, 950 A (peak value) 95 Ah (rated value)
Standard battery , maintenance free type .....................................1 12 V battery, 850 A (peak value) 105 Ah (rated value)
Main battery disconnecting switch in the cab, on the left side of the control turret
Alternator............................................................................................................................................................. 12 V / 120 A
Voltage regulator ................................................................................................................................. 12 V, part of alternator
Starter motor, with solenoid switch ....................................................................................................................12 V, 3.2 kW
Auxiliary sockets
1 7-pin socket for trailer lights (rear): ......................................equipped for directional turn lamps, brake lamps, tail lamps
1 7-pin trailer lights socket (front - if equipped):..................................equipped for directional turn lamps, brake lamps, tail
lamps
1 3-pin cab socket: ..........................................................................................................................................................12 V
1 EBS trailer socket (ISO 7638), outside on the rear (option) ..........................................................................................12 V
1 ISO socket (ISO 11786) (optional) (in the cab) .............................................................................................................12 V
ISOBUS connection (ISO 11783) (optional): socket in cab .............................................................................................. 12 V
9-5
Specifications
9
P/N 6622427A2 - X6.35 - X6.45 - X6.55
NOTE: These specifications are purely indicative and not comprehensive of all possible cases. The given specifications
are of a general character. For technical specifications of each market, please refer to the information material supplied
by your authorised Argo Tractors Dealer.
WARNING: To drive the tractor on public roads, it is mandatory to abide by the laws in force
in the country where the tractor is being used, including the dictated speed limit and the
correct use of lights, hazard light and slow moving vehicle signs.
When driving on public roads, it is also mandatory to use the tractor with the brake pedals
coupled with the relative latch.
TRANSMISSION
The gearbox is available with a number of different options, allowing the user to choose the combination most able to
meet his specific needs.
Number of speeds Speed
HML (High-Medium-Low) and
reverse shuttle
Park Lock available as option
without creeper 36AV + 12RM 40ECO kph - 50* kph
with creeper 48AV + 16RM 40ECO kph - 50* kph
Shuttle command
Park Lock available as option
without creeper
without creeper 12FWD+12REV speeds 40ECO kph - 50* kph
with creeper 16AV + 16RM 40ECO kph - 50* kph
* if available according to tractor configuration
WARNING: The driver is always responsible of the selected gear in any situation, specially when operating on
steep slopes or towing trailers.
CLUTCH UNIT
Number of clutches 4
Disc number 6 oil cooled
Control (each clutch) Electro-hydraulic
NOTE: All models are equipped with a potentiometer to adjust the engagement speed of electro-hydraulic clutches.
9-6
Specifications
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Rear axle
Rear axle with bevel gear pair and epicyclical rear final
drives.
Interflange: .................................................. 1659.50 mm
Bevel gear pair: .......................................49/11 = 4.4545
Rear final drives: .........................................................6.6
Total reduction ratio: ...........................................29.4000
Front and rear axle ratio
Rigid axle ................................... ........................... 1.3679
Differential lock
Rear differential lock with electro-hydraulic control and
hydraulic engagement.
The diff lock is disengaged by means of the brake pedals.
Front and rear differential locking takes place at the same
time by means of the Twin-Lock system in four-wheel
drive tractors.
Power take-off [3.d]
Independent operation.
Engagement by means of hydraulic clutch with electro-
hydraulic control through cab switch.
Available in the following layouts:
Two speeds:
1st Type: 540/540ECO rpm
2nd Type: 540/1000 rpm.
With four speeds:
3rd Type: 540/540ECO/1000/1000ECO
PTO speed rate - Engine rate for all configurations:
PTO version
2 speeds 4 speeds
PTO type Engine rate PTO type Engine rate
540 1944 540 1944
540E 1377 540E 1580
1000 1917 1000 1952
1000E 1586
Different PTO output shafts are available for independent
PTO according to A.S.A.E. standards
- 1 3/8" (34.9 mm) diameter shaft with 6 splines.
- 1 3/8" (34.9 mm) diameter shaft with 21 splines.
NOTE: before replacing the PTO output shaft, the speed
selection lever must be shifted to the neutral position.
Never force the engagement of a new PTO shaft. The
substitution must be smooth and gradual.
Synchronized ground drive PTO mode engaged
(optional)
Speed rate in the synchro mode (PTO shaft revolutions
for each turn of the rear wheel):
PTO rpm ratio (with 2-speed PTO)
9,800 rpm with Power take-off at 540 rpm
13,835 rpm with Power take-off at 540E rpm
18,407 rpm with Power take-off at 1000 rpm
PTO rpm ratio (with 4-speed PTO)
9,800 rpm with Power take-off at 540 rpm
12,057 rpm with Power take-off at 540E rpm
18,078 rpm with Power take-off at 1000 rpm
22,242 rpm with Power take-off at 1000E rpm
PTO engagement and selection by a hand lever on the
left side of the seat.
9-7
Specifications
9
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Rear brakes
Multiplate oil-cooled brakes mounted on rear differential
transaxles.
Number of friction discs: 2 (1 each side)
Friction material ....................................................... N670
Hydraulic braking control by means of two pedals located
at driver's right. The two pedals can be coupled by a
locking device to provide simultaneous braking action
on both sides.
Parking brake controlled by a hand lever and independent
control wire, by direct control on a multiplate oil-cooled
brake (6 plates) mounted on the 4WD shaft.
Plates in sintered bronze.
Hydraulic trailer brake mounted on request.
Air trailer brake mounted on request.
Front axle
In spheroidal cast iron, pivoting at the centre within two
supports
Front drive engaging control, electro-hydraulic by hydraulic
clutch.
Spring-on - Pressure off type.
Drive shaft mounted on the longitudinal axis
without universal joints (setup with rigid axle)
Transmission via central differential and epicyclical final
drives in wheel hubs.
Maximum steering angle ............................................55°
'Twin-Lock' diff lock with electro-hydraulic control as
standard. Diff lock is engaged simultaneously with rear
diff lock. The diff lock is disengaged by means of the
brake pedals.
Front interflange:
1687 mm (setup with narrow axle)
1887 mm (setup with wide axle)
Distance between spindles
Setup with wide axle 1530 mm
Setup with narrow axle 1330 mm
Reduction ratios:
Bevel gear pair ............................................8/31=3.8750
Epicyclic final drives .......................... 15/15+63=5.2000
Total reduction .....................................................20.1500
9-8
Specifications
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Track adjustment
To adjust the track widths that can be got for both front
and rear axle, see the tables in section 6 of this manual
(Tyres - Wheels - Ballast).
Power steering system
Power steering controlled by the steering wheel.
Telescopic steering column, adjustable in height and tilt.
Gear pump with flow rate 38 l/min at 2200RPM engine
rate.
Paper filter on delivery line.
Double-acting balanced steering cylinder mounted on
axle housing.
Max. operating pressure in power steering system .........
.........................................150±5 bar
Steering radius without braking, 4WD: ............ 5200mm
Single steering pump, mounted on engine (setup with
piston pump).
9-9
Specifications
9
P/N 6622427A2 - X6.35 - X6.45 - X6.55
HYDRAULIC CIRCUIT
Setup with gear pump
Two-stage hydraulic gear pump powered directly by the gears of the timing system.
wire mesh filter on the intake: 100 micron
pump flow rate (high flow stage): 66 l/min with engine at 2200 rpm.
It supplies:
The hydraulic trailer brake, max. operating pressure:
- Italy type “Cuna”, 130±10 bar
- for "EEC” markets, 140±10 bar
- According to the prescriptions of the REGULATION (EU) n. 167/2013, 140±10 bar
- suspended axle (if provided)
- The auxiliary control valves, max. operating pressure 190±5 bar
- The hydraulic hitch, max. operating pressure 190±5 bar
pump flow rate (low flow stage): 38 l/min with engine at 2200 rpm
Paper filter on delivery line: 15 micron
It supplies:
- The power steering circuit, max. differential operating pressure 150±5 bar
- low pressure circuit (21±1 bar) including HML gearbox, 4WD, hydraulic PTO, hydraulic PTO brake and differential
lock
- oil cooling circuit, max. pressure 9.5±1 bar
- transmission lubrication circuit, max. pressure. 7±1 bar
Electronically controlled hitch
It controls draft, position and, in the 'Intermix' mode, both
draft and position. Also operates in float mode.
Control system................................................. Electronic
Control type...........................................Electro hydraulic
Draft control by means of 2 sensors fitted to the lower
links of the three point linkage.
Operating voltage...................................................12 volt
9-10
Specifications
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Three-point linkage [3.g]
Cat. 2 three-point linkage with side stabilisers to regulate
horizontal swing of the implements.
Rh vertical rod with adjuster crank or optional hydraulic
adjuster ram.
Left vertical rod adjustable by a crank and two-position
bottom end: one is fixed, the other one sliding.
Lower links with quick couplings.
Top link with quick hitch mechanism, optional hydraulic
adjuster ram.
Three-point linkage operated by a simple-acting ram,
diam. 100 mm, coupled to two auxiliary cylinders, 60
mm diameter.
Max. lifting capacity at the ends of lower rods in horizontal
position:
• with 2 auxiliary cylinders, 60 mm diameter (max. pres-
sure 200 bar) (if equipped) 6000 kg
Auxiliary control valves
Open centre auxiliary control valves with quick 'Push-Pull'
attachments (with gear pump).
The auxiliary control valves use the hydraulic hitch pump:
the max. operating pressure is thus 200 bar.
NOTE: Ask your Argo Tractors Dealer for complete setups
of auxiliary control valves.
Cab
Cab and platform tested to OECD international standards.
Noise level complies with EEC standards.
Platform completely supported on Silent-Block dampers
and cab in pressed structural steel with isothermal blue-
tinted glass panes.
Heating, ventilation and air conditioning.
Openable roof with ample visibility upwards.
Cab is available with mechanical suspension by means
of spring shock absorber.
Optional extras
- Open-centre auxiliary control valves, complete with hy-
draulic hoses and 'Push-Pull' couplings. Various types
available.
- Trailer hydraulic brakes (available compliant to CUNA,
CEE, Regulation 167/2013)
- Air braking system for trailer.
- Two-speed hydraulic power take-off 540/540ECO rpm
as alternative to 540/1000 rpm
- Four-speed (540, 540ECO, 1000, 1000E rpm) hydraulic
power take-off.
- Power take-off proportional to ground speed to oper-
ate self-propelled trailers (on request and according
to market).
- 1” 3/8 (34.9 mm) PTO shaft with 21 splines.
- Front axle ballast weights: 6-10 cast iron weights each
weighing 36 kg.
- Ballast weights on rear wheels, 4 cast iron rings for each
wheel, 45 kg each.
- Seat adjustable in height and horizontally.
- Second passenger seat.
- Front fenders (according to market)
- Three-point linkage, with hydraulic right link rod.
- Front PTO and integrated front hitch.
- Ejector to expel dirt from the engine air filter connected
to the engine exhaust.
9-11
Specifications
9
P/N 6622427A2 - X6.35 - X6.45 - X6.55
MP3/WMA player Radio (MW AM)
Signal/noise ratio > 55 dB Frequency range 520 kHz- 1,710 kHz
Channel separation > 55 dB (1 kHz) Sensitivity ≤30 dB µV (S/N=26dB)
Frequency response 20 Hz- 20 kHz
Compatible formats MP3/WMA - ID3 Front AUX-IN input
Frequency response 20 Hz- 20 kHz
Radio (FM) Sensitivity 775 mV
Frequency range 65 MHz- 108 MHz Impedance 20 kOhm
Sensitivity ≤12 dB µV (S/N=26dB)
Stereo separation ≥25 dB (1 kHz) General information
Signal/noise ratio ≥50 dB Power 12V cc (10.8V - 15.6V)
Channel spacing 50 kHz Speaker impedance 4 Ohm - 8 Ohm
Output power 40W x 4 channels
Radio (Weatherband - USA only) Fuse 15 A
Frequency ranges Band of 162.4-162.55 Mhz
Sensitivity ≤10 dB µV
Area
FM / MHz AM / MHz
Notes
Start Start
Spacing /
kHz
Start Start Spacing
Europe 87.5 108 50 522 1620 9 -
USA 87.5 107.9 200 530 1710 10 WB available
Oirt 65 74 10 522 1620 9 -
Japan 76 90 100 522 1629 9 -
Middle East 87.5 108 100 531 1602 9 -
Latin Am. 87.5 108 100 520 1620 10 -
Australia 87.5 108 100 522 1710 9 -
Asia 87.5 108 100 531 1602 9 -
FM only 87.5 108 50 - -
Radio specifications
9-12
Specifications
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Tractors with rigid cab
Commercial model
Noise level in the cockpit
dBA
Noise level when driving
by
dBA
Closed doors Open doors
X6.35 83 84 84
X6.45 83 84 84
X6.55 83 84 84
THE FOLLOWING TABLES GIVE THE NOISE LEVEL VALUES,
MEASURED FROM THE DRIVER'S SEAT IN INSTANTANEOUS CONDITIONS
CONFORMITY TO UE 2018/830 (ANNEX XIII).
Noise levels as perceived by the operator [4]
Tractors with suspended cab
Commercial model
Noise level in the cockpit
dBA
Noise level when driving
by
dBA
Closed doors Open doors
X6.35 74 77 84
X6.45 74 77 84
X6.55 74 77 84
9-13
Specifications
9
P/N 6622427A2 - X6.35 - X6.45 - X6.55
WARNING: The vibration level transmitted
to the body as a whole depends on different
parameters, some of them relating to the ma-
chine, others to the terrain, others to the type
of work and to any connected machine and
many specific for the operator. The prevailing
parameters are the type of terrain or work sur-
face, the ground speed and the type of work.
WARNING:
Machine vibrations are transmitted to the
operator, who in some cases may undergo
risks for his/her health and safety. Therefore
you must:
- Make sure that the tractor is in good condi-
tion and that all routine servicing is correctly
and regularly carried out.
- Check that the operator's seat and adjust-
ment systems are in good condition, then ad-
just the seat to the operator's weight and size.
- Evaluate the vibration level transmitted to
the operator from the tractor or from the
tractor-machine assembly and schedule work
hours so as to alternate suitable rest periods
concerning exposure to vibrations.
IMPORTANT: More information on Whole Body Vibra-
tion (WBV) on agricultural tractors can be found in more
specific publications. In order to correctly estimate values
based on your daily work on the tractor, a specific measure
instrument is required, such a three-axis accelerometer
applied to the seat.
NOTE: Visit the dedicated Internet web sites for further
information and documentation on risks of whole body
vibration.
INFORMATION PAGE ON VIBRATION LEVELS OF THE TRACTOR
DANGERS RELATIVE TO EXPOSITION TO VIBRATIONS [2.a][2.ah][5]
In compliance to EU Directive 2018/830 (Annex XIV) the following table shows vibration levels measured on seats, in aws.
* aws = correct weighted value of the vibration acceleration (m/s
2
).
Seat type
Vibrations * m/s
2
(at the applied test weights)
Light-weight operator Heavy-weight operator
Cobo MT SC79M200 aws* = 1,22 m/s
2
aws* = 1,06 m/s
2
Grammer MSG93/721 aws* = 1,21 m/s
2
aws* = 1,05 m/s
2
9-14
Specifications
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Issue of authorization
To install any type of mounted or semi-mounted equipment not provided for by road traffic laws, it is mandatory to request
the express written authorization of the vehicle manufacturer.
We insist at any rate on our recommendation to mount always exclusively CE marked equipment complying with the
Machinery Directive 2006/42/CE.
Masses [3.m]
Maximum weight declared by manufacturer for road circulation
IMPORTANT: DO NOT exceed the maximum load bearing capacity of the tyres used. Consult the payloads and inflation
pressures suggested by the type manufacturers for further details.
IMPORTANT: DO NOT exceeds the load on the axles and the maximum weight of the tractor established by the pertinent
laws when driving the tractor on public roads.
Maximum weight permitted for the tractor
MAXIMUM WEIGHT permitted for the tractor, including the tractor itself, the implements and ballast.
The MAXIMUM WEIGHT allowed for each axle includes the tractor, the implements, the ballast and any implements
coupled to the three-point hitch.
Model *Front kg Rear kg Total kg
X6.35 X6.45 X6.55
(setup with narrow axle)
3300 5000 8000
X6.35 X6.45 X6.55
(setup with wide axle)
3800 5000 8500
* The given values are for set-up with both rigid and suspended axle.
DO NOT use the tractor with a load on the front axle that is less than 25% or more than 55% of the total weight.
9-15
Specifications
9
P/N 6622427A2 - X6.35 - X6.45 - X6.55
* capacity including reserve and not used up volume.
** setup with narrow axle
*** setup with wide axle
**** Before carrying out any maintenance operation on the air conditioning system, refer to the indications in the section 7 of this
manual, at the “General maintenance” chapter.
(1) Argo Tractors specifications define additives and anti-noise properties. The use of different types of oil, or mixing other types of oil
into the oil supplied with the tractor can lead to increased noise.
(2) Add further 2 Lt max. with front hitch. Add further 2 Lt max. with front loader.
(3) Use ONLY synthetic products such as AdBlue or equivalent products, complying with the relevant international standards as
indicated by the chart, with the AdBlue mark on their labels. If dissolved products are used (urea prills dissolved in demineralised
water), the guarantee on the injection system of AdBlue-DEF system and its components will become null and void.
Such system is identified in the European markets as AdBlue fluid injection system, in the USA ad DEF (Diesel Exhaust Fluid), in
Brazil as ARLA32.
(4) IMPORTANT: if the machine is operated in cold climates, replace this oil with a different of with a less viscous grade (Vela B or Vela C).
LUBRICANTS AND FUELS
COMPONENT
Q.ty litres
SPECIFICATI-
ONS
AMBIENT
TEMPERATURE
LUBRICANT
SPECIFICATIONS
X6.35
X6.45
X6.55
Cooling
COOLIND (6)
16
MUREX Concentrated antifreeze to be used in the following
percentages.
See table 1 in the next page
TANK CAPACITY
FUEL (about)
150
Viscosity at 40°C Viscosity at 100°C
ASTM method D445
mm
2
/s mm
2
/s
RESERVOIR AdBlue™ or DEF
(3)
19.6*
DIN70070
ISO22241
ANY TEMPERATURE
AdBlue
(3)
ENGINE 9
ACEA E9
API CJ-4
CAT ECF-3
ANY TEMPERATURE
SOLEA
LD9 15W40
67 11.7
POWER STEERING CIRCUIT
AND TRANSMISSION HOUS-
ING (2) (5)
61 API GL - 4 ANY TEMPERATURE VELA C+ 56.0 9.3
FRONT AXLE -
MIDDLE BODY (1)
6.6** - 7.6*** API GL - 4 ANY TEMPERATURE
VELA B
(axle with brakes)
88.0 11.9
VELA C+
(axle without brakes)
56.0 9.3
FRONT AXLE FINAL DRIVES
(each side) (1) (4)
1.6 API GL - 5 ANY TEMPERATURE CARINA 80W-90 134 14.4
GREASING POINTS ANY TEMPERATURE
GENA GREASE
EP
FRONT POWER TAKEOFF (if
equipped)
0.5 API GL-4 ANY TEMPERATURE
VELA
UNIVERSAL
62 9.2
COOLANT FLUID
****
1,050 Kg
(±25 g)
R 134 A
9-16
Specifications
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Table 1
Quick reference guide
in the following percentages:
Ambient temperature
(°C)
-7 -10 -14 -18 -23 -28 -33 -38
Ambient temperature
(°F)
19 14 7 0 -9 -18 -27 -36
Antifreeze percent
Murex%
15 20 25 30 35 40 45 50
(5) WARNING: When working on steep slopes, oil level in the transmission MUST BE AT LEAST AT THE MAXIMUM DRAW LEVEL
indicated by the dipstick. Otherwise, top up with oil of the specified type through the plug.
(6) IMPORTANT: use MUREX as anti-freeze after correctly mixing it with distilled water, according the quantities indicated in the table
below. Never use tap water, rain water or well water to avoid problems connected to pollution.
If a wrong mix is used, Argo Tractors will take no responsibility for any damages.
To top up, do not pour distilled water into the cooling system. Top up only with correctly diluted MUREX, according the quantities
indicated in the table below.
Never use plain water as coolant.
Always check the protection level of the mix before winter.
NOTE: In special weather conditions, e.g. low temperatures, always ask you Argo Tractors Dealer for specific indications on correct use
of oils and fuels. The use of materials not approved by Argo Tractors exempts the company from any responsibilities.
9-17
Specifications
9
P/N 6622427A2 - X6.35 - X6.45 - X6.55
96.5
6
115
445
60
60 90
35
110
60
60
60
75
4+4 HOLES M20
Implement attachment points (set-up with rigid axle) . Dimensions in mm [6.1.2]
M18x1.5
63
32
36
6 HOLES M18x1.5
Ø325
8 HOLES M18x1.5
32
55
ENGINE AXIS
2+2 HOLES M16
DEPTH 25
2+2 HOLES M16
DEPTH 25
4 HOLES M16
DEPTH 25
13 M16x2
DEPTH 31
2 PLUGS Ø16
DEPTH 17
4 HOLES M16
THROUGH
8 HOLES M18x1.5
Ø152.2
WHEEL CENTRE
4+4 HOLES M16
DEPTH 25
A
36
90
90
10
90
95
406
ENGINE AXIS
A
322
250
320 920
478.1
414
300
260
= =
= =
840 680.8
2420
1500
75.6
25
111
9.4
= =
= =
= =
12
100
105
180
285
548
Ø284
WHEEL CENTRE
662
A
105
4 HOLES M16
DEPTH 25
= =
1659.5
15
30
M18x1.5
Ø203.2
PUMPREAR
ENGINE AXIS
AXLE VERSION “A”
NARROW 1687
WIDE 1887
The installation of frames to support and reinforce equipment must be carried out using the attachment points provided on the tractor,
as given in the Operation and Maintenance manual. In case of particularly demanding combined front and rear installation, it is manda-
tory to have a connection by means of suitable reinforcing struts between the relative support frames.
9-18
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Implement attachment points (set-up with suspended axle) . Dimensions in mm [6.1.2]
The installation of frames to support and reinforce equipment must be carried out using the attachment points provided on the tractor,
as given in the Operation and Maintenance manual. In case of particularly demanding combined front and rear installation, it is manda-
tory to have a connection by means of suitable reinforcing struts between the relative support frames.
440
285 105
434
130
616
= =
= =
1887
180
440
1659.5
= =
30°
30°
30°
40°
30°
20°
Ø245
Ø325
Ø203.2
8 HOLES M18x1.5
ENGINE AXIS
12 HOLES M14
4 HOLES M16x32
152.2 WHEELS CENTERING
WHEELS CENTERING Ø285
4 HOLES M16
2 THROUGH HOLES M16
2 HOLES M16x32
4 HOLES M20
11 HOLES M16x38
2 HOLES M16
Ø335
6 HOLES M18x1.5
= =
FRONT VIEW OF ENGINE-GEARBOX ASSEMBLY
CONNECTION SIDE FINAL DRIVE TO GEARBOX HOUSING
147
9.4
5875
140
85
115
360
43
15
322
320
600
414
260
450
405
345
285
225
165
55
20
35
95130
300
= =
96.5
655 90
2420 270.6
240
478 701
12
660
9-19
Alphabetical index
9
P/N 6622427A2 - X6.35 - X6.45 - X6.55
A
Additional cab features ............................................. 3-37
Air conditioner .................................................. 3-28, 3-29
Alphabetical index ....................................................... 9-1
Auxiliary control valves .............................................. 5-80
B
Ballast ................................................................. 6-1, 6-22
Battery ......................................................................... 8-2
Battery master disconnect switch ....................... 5-8, 3-8
Brakes, operation ...................................................... 5-36
C
Cab ............................................................................ 3-24
Cab filter - Variable maintenance .............................. 7-81
Cab ventilation .......................................................... 3-27
Check your equipment .............................................. 2-10
Cleaning .................................................................... 2-11
Cold temperature operation ........................................ 5-5
Commutators .............................................................. 3-3
Controls - Cab.............................................................. 3-1
Controls for cab temperature.................................... 3-28
D
Dangerous operations ............................................... 2-22
Decal positions, WEO countries ............................... 2-36
Differential lock ......................................................... 5-45
Drawbar ..................................................................... 5-55
Drive direction reversing lever .................................... 3-4
E
Electrical system ......................................................... 8-1
Electrical system - Battery .......................................... 8-2
Engine, starting and stopping ..................................... 5-3
Equipment, check ..................................................... 2-10
External PTO controls................................................ 5-26
F
Fan, alternator and compressor belt tension ............ 7-45
Front hitch ................................................................. 5-33
Front PTO .................................................................. 5-31
Fuel ............................................................................ 7-12
Fuses and relays ......................................................... 8-8
G
General information ........................................... 1-2, 1-12
H
Headlights ................................................................... 8-5
Height adjustable hitch. ............................................ 5-60
Highway Code regulations ........................................ 2-25
How to transport the tractor ..................................... 5-51
I
Indicator lights............................................................. 4-4
Instrument cluster ....................................................... 4-1
Instrument panel ......................................................... 4-2
Instruments ................................................................. 4-2
L
Lights, replacement .................................................... 8-6
Load capacity of tyres ................................................. 6-4
Lubricants .................................................................. 9-15
Lubricants and fuels .................................................. 9-15
M
Main controls .............................................................. 3-2
Maintenance ...................................................... 2-11, 7-1
Maintenance at request, overview of ......................... 7-2
Miscellaneous ........................................................... 3-11
O
Operation .................................................................... 5-1
Operation of the four-wheel drive ............................. 5-47
P
Parking brake ............................................................. 5-37
Parking the tractor ....................................................... 5-7
Pick up hitch .............................................................. 5-56
Power take-off, precautions ...................................... 5-30
Precautions.................................................................. 2-7
Pre-delivery claims .................................................... 1-12
Protection from noise ............................................... 2-35
Protective clothing ...................................................... 2-7
R
Radio ......................................................................... 3-30
Radio specifications .................................................. 9-11
Rear hitch .................................................................. 5-69
Rear Power Take-Off ................................................. 5-23
Rear Three-Point Hitch .............................................. 5-89
Regular service intervals ............................................. 7-2
Remote hydraulics operation .................................... 5-82
Risk of overturning .................................................... 2-18
Risks from noise ....................................................... 2-35
Road transport .......................................................... 2-25
Routine maintenance table ......................................... 7-2
Running in .......................................................... 5-4, 7-10
Running in of tractor ................................................... 5-2
Running in, recommendations .................................... 5-2
9-20
Alphabetical index
P/N 6622427A2 - X6.35 - X6.45 - X6.55
S
Safety ................................................................. 1-13, 2-1
Safety - Cab ................................................................. 2-4
Safety decal locations - All markets .......................... 2-36
Safety notes ................................................................ 2-1
Safety, working in safety ........................................... 2-15
Safe use of the tractor ................................................ 2-1
Seat, adjustment ....................................................... 3-12
Seat belt .................................................................... 3-20
Starting procedure ...................................................... 5-3
Starting the tractor ...................................................... 5-4
Stationary .................................................................. 5-44
Stationary button ....................................................... 5-44
Stationary tractor ....................................................... 5-44
Steering wheel ............................................................ 3-9
Steering wheel adjustment ......................................... 3-9
Stopping the engine .................................................... 5-7
Stopping the tractor .................................................... 5-4
Synchronised Power take-off .................................... 5-25
Systems, checks ......................................................... 2-9
T
Technical specifications ....................................... 9-1, 9-2
Temperature, controls in the cab .............................. 3-28
Tow equipment - Front pull hook. ............................. 5-54
Tractor identification ................................................... 1-9
Tractor transport ........................................................ 5-51
Tractor, turning off the engine ..................................... 5-7
Trailer brake ............................................................... 5-38
Turning off the engine ................................................. 5-4
Tyre Inflation Specifications ........................................ 6-3
Tyre maintenance ........................................................ 6-4
Tyre mounting ............................................................. 6-7
Tyre pressures ............................................................. 6-4
Tyres ............................................................................ 6-1
Tyre Size Combinations ............................................. 6-19
Tyres, wheels, ballasting ............................................. 6-1
U
Use of the tractor ........................................................ 5-2
Use of the tractor on public roads ............................ 2-25
V
Variable maintenance (every 10 hours or daily) ........ 7-25
W
Warning and caution ................................................... 2-1
Warranty .................................................................... 1-12
Weights and dimensions ............................................ 9-2
Wheels ........................................................................ 6-1
Working in safety ...................................................... 2-15
Alphabetical index
9-21
P/N 6622427A2 - X6.35 - X6.45 - X6.55
9
Regulation (EU) n. 167/2013
N. REGULATION (EU) n. 167/2013 Section
1
The Operator's manual must comply with ISO 3600:1996 standard, except the section 4.3, Machine
identification.
2 The operator’s manual shall further provide information about the following:
a
adjustment of the seat and suspension related to the ergonomic position of the operator with respect
to the controls and in order to minimise the risks from whole body vibration;
3, 9
b use and adjustment of the system for heating, ventilation and air-conditioning, when provided; 3
c
engine starting and shut-off, including the principles of safe on/off operations that envisage use of
the parking brake, shifting to neutral of controls and ignition key removal;
2, 5
d location and method of opening of emergency exits; 2, 3
and directions to get on and off the tractor; 2, 3
f the hazard area near to the pivot axis of articulated tractors; NA
g use of special tools, if any are provided; 2
h safe methods for service and maintenance, including cleaning and working at high levels; 2, 7
i information about the interval of inspection of hydraulic hoses; 2, 7
j instructions about how to tow the tractor; 2, 5
k directions on safe use of the jack and recommended points where the jack is to be inserted; 2, 6
l hazards related to batteries and fuel tank; 2, 7, 8
m
prohibited uses of the tractor, where overturning hazards exist with mention that the list is not ex-
haustive;
2
n
risks caused by contact with hot surfaces, including marginal risks such as topping up oil or coolant
in a hot engine or transmission;
2, 7
or the level of protection of the Falling Objects Protective Structure, if applicable; 1
p the level of protection of the protective structure against falling objects, if applicable; 1, 2, 7
q warning against contact with overhead electric lines; 2
r lightning; 2
s regular cleaning of the outer edges against sprays; NA
t risks concerning tyres, including their handling, repair, excessive pressure and mounting; 2, 6
u unsteadiness when working at high levels with heavy hitched implements 2
v risk of overturning on slopes or irregular terrain; 2
w transport of passenger only in approved passenger seats; 3
x use of the vehicle only by suitably trained operators; 1, 2
y information on safe loading of the vehicle; 5
Requirements of the Operation and Maintenance Manual
9-22
Alphabetical index
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Regulation (EU) n. 167/2013
N. REGULATION (EU) n. 167/2013 Section
z information about the trailer: position and safety conditions; 2
aa
information on position and use of the master disconnect switch (mechanical devices, electrical
switches of electronic systems);
3, 5, 7
ab use of safety belts and other operator restraining devices; 3
ac for tractors with autoguide systems, pertaining directions and safety information; NA
ad
for vehicles with folding ROPS frames, information about safe use of the ROPS frame, including
raising and lowering the frame and locking it in upright position;
2, 5
ae
for vehicles with folding ROPS frame, warning about consequences in case of overturning with
folded ROPS;
2
af
for vehicles with folding ROPS, a description of the cases in which the ROPS needs to be folded
(work inside a building, in a fruit orchard or a vineyard), and a warning that the ROPS must be used
again when the above mentioned work is completed;
2
ag information about the greasing points and the safety during lubrication; 2, 7
ah
information about the minimum requirements of the seats and their compatibility so as to comply
with the regulations concerning vibration, as in item 5.
3
3
Further information about mounting, splitting and work with mounted machines, trailers and inter-
changeable trailed machines.
The operator’s manual shall provide information about the following:
a
a warning to strictly follow the instructions outlined in the operator’s manual of the mounted or trailed
machinery or trailer, and not to operate the combination tractor-machine or tractor-trailer unless all
instructions have been followed;
2
b
a warning to keep a safe distance from the area of the three-point linkage and of the trailer hook (if
equipped) when they are inspected;
5
c a warning that mounted machinery must be lowered on the ground before leaving the tractor; 5
d speed of the power take-off drive shafts in function of the mounted machinery or trailed vehicle; 5
and
the instruction to use only a drive shaft with a PTO provided with suitable guards and to install a
cover if such guards are removed from the tractor;
2, 5
f information about hydraulic coupling devices and their function; 5
g information about the maximum lift capacity of the three-point linkage; 9
h
information about the determination of the total mass, the axle loads, the tyre load carrying capacity
and the necessary minimum ballasting;
5, 6, 9
i
information about the predictable use, the installation, the removal and the maintenance of ballast
weights;
6
j information about the available trailer braking systems and their compatibility with the trailed vehicles; 5
k the maximum vertical load on the rear hitch, related to the rear tyre size and type of hitch. 5
l
information about using implements with power take-off drive shafts and that the technically possible
inclination of the shafts depend on the shape and size of the master shield and/or clearance zone,
including the specific information required in case of PTO type 3 with reduced dimension;
5
m a repeat of the data on the statutory plate about maximum allowed trailed masses; 5, 9
n a warning to stay clear of the area between tractor and towed vehicle; 2
or
for tractors with mounted machines, the information prescribed by the operator's manual of the
mounted machinery according to Directive 2006/42/EC.
2
Alphabetical index
9-23
P/N 6622427A2 - X6.35 - X6.45 - X6.55
9
Regulation (EU) n. 167/2013
N. REGULATION (EU) n. 167/2013 Section
4
Noise declaration
The operator's manual must give the noise level as heard by the operator, measured according to
annex XIII.
9
5
Vibration declaration
The operator's manual must give the vibration level measured according to annex XIII.
9
6
Operation modes
The operator's manual must contain information as to allow a secure operation of the tractor in the
following conditions:
a) work with front-end loader (risk of falling objects); 2
b) forestry application (risk of falling and/or penetrating objects); NA
c) work with crop sprayers, mounted or trailed (risk of hazardous substances). NA
The operator's manual must deal at length with the use of the tractor in combination with the above implements.
6.1 Front loader
6.1.1
The operator’s manual shall outline the hazards associated with front-end loader work, and explain
how to avoid those hazards.
2
6.1.2
The operator’s manual shall indicate the fixation points on the body of the tractor where the front-end
loader must be installed, together with the size and quality of the hardware to be used. If no such at-
tachment points are foreseen, the operator’s manual shall prohibit the installation of a front-end loader.
9
6.1.3
Tractors fitted with programmable hydraulic sequencing functions shall provide information on how
to connect the loader hydraulics so that this function is inoperable.
NA
6.2 Forestry application
6.2.1
In case of use of an agricultural tractor in a forestry application, the identified hazards include the
following ones:
a) toppling trees, e.g. in case a rear-mounted tree grab-crane is mounted at the rear of the tractor; NA
b)
penetrating objects in the operator’s enclosure, primarily in case a winch is mounted at the rear of
the tractor.
NA
c) falling objects, such as branches or tree logs; NA
d) working on a steep slope or on irregular terrain. NA
6.2.2 The operator’s manual shall provide information about the following:
a) the existence of the hazards described in point 6.2.1; NA
b) any optional equipment that might be available to deal with those hazards; NA
c)
fixation points on the tractor where protective structures can be fixed, together with the size and
quality of the hardware to be used. When no means are foreseen to fit adequate protective struc-
tures, this shall be mentioned.
NA
d)
the provided protective structures may consist of a frame protecting the operating station against
toppling trees or (mesh) grids in front of the cab doors, roof and windows;
NA
9-24
Alphabetical index
P/N 6622427A2 - X6.35 - X6.45 - X6.55
Regulation (EU) n. 167/2013
NA: Not Applicable
N. REGULATION (EU) n. 167/2013 Section
e) FOPS level, if available. NA
6.3 Crop sprayers (protection against harmful substances):
6.3.1
In case of use of an agricultural tractor provided with a crop sprayer, the identified hazards are the
following ones:
a) hazards connected to spraying harmful substances with a tractor either with or without cab; NA
b) hazards connected to entering or leaving the cab while spraying harmful substances; NA
c) hazards connected to a possible contamination of the work space; NA
d) hazards connected to cleaning the cab and servicing the air filters. NA
6.3.2 The operator’s manual shall provide information about the following:
a) at least the hazards described in point 6.3.1; NA
b)
protection level from harmful substances offered by the cab and filters. In particular the information
prescribed by the standards EN 15695-1:2009 and EN 15695-2:2009/AC 2011 shall be given;
1, 7
c)
information about selecting and cleaning the cab air filters, as well as the replacement intervals re-
quired for an uninterrupted protection against harmful substances, with directions on how to carry
out such operations safely and without risks for the health;
7
d)
directions on how to keep the work space uncontaminated, in particular if the tractor is used along
with personal protection devices;
NA
e)
indication that to safely carry out spraying the operator shall comply with the directions in the label of
the harmful substance and with the directions of the crop sprayer mounted on or towed by the vehicle.
NA
9-25
P/N 6622427A2 - X6.35 - X6.45 - X6.55
9
9-26
P/N 6622427A2 - X6.35 - X6.45 - X6.55
To guarantee a correct and satisfactory operation of your tractor, Argo Tractors recom-
mends that only genuine spare parts are used
The best way to get the best performances from your McCormick is to use exclusively
hi-tech lubricants.
Original McCormick lubricants can guarantee an optimum output, improve the perfor-
mance of your machine, reduce consumptions and protect from wear at the same time,
thus extending the lifespan of your investment.
ORIGINAL McCORMICK LUBRICANTS