This document provides the table of contents for a workshop manual for Agrofarm 85 and Agrofarm 100 tractors. The manual covers technical specifications, calibrations and electronic diagnosis, maintenance and repair methods, and wiring diagrams. It includes sections on the engine, transmission, axles, hydraulics, bodywork and more. The table of contents lists over 30 sections and subsections that provide information, part numbers, and instructions for repair and maintenance of components.

1. Agrofarm 85
Agrofarm 100
WORKSHOP MANUAL
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2. TABLE OF CONTENTS
I
0 - INTRODUCTION
0.1 - Introduction 0-2
0.1.1 - Safety notes 0-3
0.1.2 - General safety rules 0-4
0.1.3 - Safety precautions for removal and refitting operations 0-6
0.1.4 - Lifting instructions 0-8
0.1.5 - Tightening torques 0-10
0.1.6 - Threadlockers, adhesives, sealants and lubricants 0-14
0.1.7 - Conversion factors 0-16
10 - TECHNICAL CHARACTERISTICS
10.1 - Transmission 10-2
10.1.1 - Transmission (Agrofarm 85) 10-2
10.1.2 - Transmission (Agrofarm 100) 10-10
10.1.3 - Rear. PTO 10-18
10.1.4 - 2 and 4-speed PTO and groundspeed PTO 10-23
10.2 - Front axle 10-25
10.2.1 - Front axle 10-25
10.3 - Hydraulic system 10-28
10.3.1 - Hydraulic system (Agrofarm 85) 10-28
10.3.2 - Hydraulic system (Agrofarm 100) 10-34
10.3.3 - Steering circuit pump - directional control valve circuit 10-39
10.3.4 - Power steering 10-41
10.3.5 - Auxiliary services directional control valve 10-42
10.3.6 - Hydraulic lift directional control valve (Agrofarm 85) 10-43
10.3.7 - Hydraulic lift directional control valve (Agrofarm 100) 10-47
10.3.8 - Braking system 10-51
10.3.9 - “Separate-Brake” valve 10-52
10.3.10 - Trailer braking valve 10-57
10.3.11 - Services solenoid valve assembly 10-60
20 - CALIBRATIONS AND ELECTRONIC DIAGNOSIS
20.1 - Diagnostic instrument 20-2
20.1.1 - All Round Tester 20-2
20.1.2 - Connecting the tester to the lift and engine control units 20-7
20.2 - Introduction to the tractor≈s electronic system 20-8
20.2.1 - Introduction to the tractor’s electronic system 20-8
20.3 - Putting the tractor into service 20-10
20.3.1 - Putting the tractor into service 20-10
20.4 - ECU alarms 20-16
20.4.1 - Instrument panel alarms 20-16
30 - METHOD
30.1 - Engine 30-2
30.1.1 - Engine - Separation from the transmission (B0.00.02) 30-2
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3. TABLE OF CONTENTS
II
30.1.2 - Engine (B0.00.01) 30-7
30.1.3 - Fan belt 30-12
30.1.4 - Tensioning the fan drive belt 30-13
30.1.5 - Alternator and fuel pump drive belt 30-14
30.1.6 - Alternator and fuel pump belt tensioning 30-15
30.2 - Engine accessories 30-16
30.2.1 - RADIATOR - Tractor without front PTO (C0.01.01) 30-16
30.2.2 - RADIATOR - Tractor with front PTO (C0.01.01) 30-20
30.2.3 - Changing the coolant and flushing the circuit 30-24
30.2.4 - Fuel tank (C0.03.01) 30-26
30.2.5 - Starter motor 30-29
30.2.6 - Exhaust pipe - Tractor with cab (C0.06.01) 30-31
30.3 - Transmission 30-32
30.3.1 - Parking brake 30-32
30.3.2 - Clutch plate 30-34
30.3.3 - Clutch thrust bearing 30-36
30.3.4 - Clutch housing - assembly (D0.02.01) (Agrofarm 85) 30-37
30.3.5 - Clutch housing - assembly (D0.02.01) (Agrofarm 100) 30-42
30.3.6 - Gearbox and shuttle assy. - complete unit (D0.09.03) 30-47
30.3.7 - Disassembly of gearbox and shuttle assy. - complete unit 30-49
30.3.8 - Gearbox support and gear selector rods 30-53
30.3.9 - Shuttle shaft 30-56
30.3.10 - Primary shaft 30-60
30.3.11 - Secondary shaft (Agrofarm 85) 30-61
30.3.12 - Secondary shaft (Agrofarm 100) 30-66
30.3.13 - PTO output shaft (4 speed version) 30-71
30.3.14 - PTO output shaft disassembly (4 speed version) 30-74
30.3.15 - PTO output shaft (2 speed version) 30-77
30.3.16 - PTO output shaft disassembly (2 speed versions) 30-80
30.3.17 - PTO clutch 30-81
30.3.18 - PTO clutch disassembly 30-85
30.3.19 - PTO final shaft (2-speed version) 30-90
30.3.20 - PTO final shaft (4-speed version) 30-94
30.3.21 - Groundspeed PTO final shaft 30-98
30.3.22 - Groundspeed PTO engagement device 30-101
30.3.23 - Range and differential assembly - complete assembly 30-102
30.3.24 - Rear pinion (Agrofarm 85) 30-103
30.3.25 - Rear pinion (Agrofarm 100) 30-108
30.3.26 - Four-wheel drive output shaft 30-113
30.3.27 - Differential - Bevel gear pair 30-116
30.3.28 - Range selector assembly 30-125
30.3.29 - Changing transmission oil (D0.00.01) 30-127
30.3.30 - Pump drive PTO - Outer gear 30-129
30.3.31 - Pump drive PTO - Inner gear 30-131
30.3.32 - 4WD engagement device 30-133
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4. TABLE OF CONTENTS
III
30.4 - Rear axle 30-136
30.4.1 - RH rear axle (E0.02.01) (Agrofarm 85) 30-136
30.4.2 - LH rear axle (E0.02.02) (Agrofarm 85) 30-139
30.4.3 - RH/LH rear axle (Agrofarm 85) 30-143
30.4.4 - RH rear axle (Agrofarm 100) 30-148
30.4.5 - Planet carrier assembly (Agrofarm 85) 30-152
30.4.6 - LH rear axle (Agrofarm 100) 30-154
30.4.7 - RH/LH rear axle (Agrofarm 100) 30-158
30.4.8 - Planet carrier assembly (Agrofarm 100) 30-164
30.4.9 - Rear differential 30-166
30.4.10 - Rear differential disassembly (Agrofarm 85) 30-169
30.4.11 - Rear differential disassembly (Agrofarm 100) 30-172
30.4.12 - Rear axle brake discs 30-175
30.4.13 - Rear axle brake piston (Agrofarm 85) 30-176
30.4.14 - Rear axle brake piston (Agrofarm 100) 30-178
30.5 - Front axle 30-180
30.5.1 - Front carrier (F0.01.01) 30-180
30.5.2 - 4WD front axle (F0.03.01) 30-184
30.5.3 - Adjusting the front axle end float 30-186
30.5.4 - Steering cylinders 30-189
30.5.5 - Steering cylinders disassembly 30-191
30.5.6 - Final drive reduction unit 30-195
30.5.7 - Final drive reduction unit disassembly 30-197
30.5.8 - Steering knuckle housing and halfshaft 30-203
30.5.9 - Steering knuckle housing and halfshaft 30-209
30.5.10 - Differential unit 30-212
30.5.11 - Differential disassembly 30-214
30.5.12 - Differential unit adjustment 30-217
30.5.13 - Bevel gear pair (Agrofarm 85) 30-221
30.5.14 - Bevel gear pair disassembly (Agrofarm 85) 30-226
30.5.15 - Differential disassembly (Agrofarm 85) 30-236
30.5.16 - Bevel gear pair (Agrofarm 100) 30-238
30.5.17 - Bevel gear pair disassembly (Agrofarm 100) 30-243
30.5.18 - Differential disassembly (Agrofarm 100) 30-253
30.5.19 - Front brake discs 30-255
30.5.20 - Front axle brake piston 30-256
30.5.21 - 4WD shaft 30-257
30.6 - Bodywork - Cab - Platform 30-260
30.6.1 - Cab (G0.03.01) 30-260
30.6.2 - Front hoods (G0.01.01) 30-268
30.6.3 - Fenders 30-270
30.6.4 - Front instrument panel (G0.06.04) 30-271
30.6.5 - Air conditioning 30-274
30.6.6 - Compressor 30-277
30.6.7 - Clutch master cylinder 30-278
30.6.8 - Clutch piston 30-281
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5. TABLE OF CONTENTS
IV
30.6.9 - Clutch control circuit 30-282
30.6.10 - Brake master cylinders 30-283
30.6.11 - Control levers (Agrofarm 85) 30-285
30.6.12 - Control levers (Agrofarm 100) 30-289
30.7 - Hydraulic system 30-294
30.7.1 - Pump for hydraulic lift and auxiliary services 30-294
30.7.2 - Power steering (H0.02.01) 30-296
30.7.3 - Pressure relief valve setting: 30-298
30.7.4 - Power steering disassembly 30-299
30.7.5 - Power steering pump 30-316
30.7.6 - Rear 4-way auxiliary services control valve (Agrofarm 85) 30-318
30.7.7 - Rear 6-way auxiliary services control valve (Agrofarm 100) 30-320
30.7.8 - Braking circuit (Agrofarm 85) 30-324
30.7.9 - Braking circuit (Agrofarm 100) 30-326
30.7.10 - Services solenoid valve assembly 30-329
30.8 - Front PTO 30-331
30.8.1 - Front PTO 30-331
30.8.2 - PTO assembly. 30-336
30.8.3 - Pump assy 30-347
30.8.4 - Clutch-brake assembly 30-349
30.8.5 - Solenoid valve assy 30-356
30.9 - Front lift 30-357
30.9.1 - Front lift 30-357
30.9.2 - Lift cylinders 30-359
30.10 - Rear lift 30-363
30.10.1 - Lift - Complete assembly (R0.02.03) (Agrofarm 85) 30-363
30.10.2 - Lift disassembly - complete assembly (Agrofarm 85) 30-366
30.10.3 - Lift - Complete assembly (R0.02.03) (Agrofarm 100) 30-371
30.10.4 - Lift disassembly - Complete assembly (Agrofarm 100) 30-375
30.10.5 - Lift cylinder (Agrofarm 100) 30-380
30.10.6 - Bushes (Agrofarm 100) 30-382
30.10.7 - Hydraulic lift directional control valve (Agrofarm 85) 30-383
30.10.8 - Lift control valve disassembly (Agrofarm 85) 30-384
30.10.9 - Lift control valve disassembly (Agrofarm 100) 30-390
30.10.10 - Mechanical draft sensor (Agrofarm 85) 30-396
30.10.11 - Mechanical draft sensor disassembly (Agrofarm 85) 30-397
30.10.12 - Mechanical draft sensor (Agrofarm 100) 30-399
30.10.13 - Mechanical draft sensor disassembly (Agrofarm 100) 30-400
30.10.14 - 3-point linkage 30-402
30.11 - Wheels 30-404
30.11.1 - Front wheels (S0.01.01) 30-404
30.11.2 - Rear wheels (S0.02.01) 30-405
30.12 - Ballast - Towing hitches 30-406
30.12.1 - Towing hitch slide (Agrofarm 85) 30-406
30.12.2 - Towing hitch slide (Agrofarm 100) 30-407
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6. TABLE OF CONTENTS
V
40 - WIRING DIAGRAMS
40.1 - Introduction 40-2
40.1.1 - Structure of the unit 40-2
40.1.2 - Wiring and components index 40-8
40.2 - Components 40-22
40.2.1 - Components 40-22
40.3 - Systems 40-33
40.3.1 - Earthing points 40-33
40.3.2 - Starting and pre-heating 40-35
40.3.3 - Lights selector - Tractor with cab 40-37
40.3.4 - Lights selector - Tractor with platform 40-39
40.3.5 - Diagnostic accessories - Tractor with standard cab 40-41
40.3.6 - Diagnostic accessories - Tractor with high-visibility cab 40-43
40.3.7 - Instrument panel 40-45
40.3.8 - Worklights - Tractor with standard cab 40-47
40.3.9 - Wipers - Tractor with standard cab 40-49
40.3.10 - Heating system - Tractor with standard cab 40-51
40.3.11 - Air conditioning system - Tractor with standard cab 40-53
40.3.12 - Worklights - Tractor with high-visibility cab 40-55
40.3.13 - Wipers - Tractor with high-visibility cab 40-57
40.3.14 - Heating system - Tractor with high-visibility cab 40-59
40.3.15 - Air conditioning system - Tractor with high-visibility cab 40-61
40.3.16 - Transmission 40-63
40.3.17 - PTO 40-65
40.3.18 - Brakes 40-67
40.3.19 - CAN BUS ELECTRONIC SYSTEM 40-69
40.4 - Wiring looms 40-70
40.4.1 - Hood lights wiring - 0.014.8107.4/20 40-70
40.4.2 - Hood lights wiring connector positions 40-71
40.4.3 - Engine wiring - version with front battery - 0.014.8629.4/20 40-73
40.4.4 - Engine wiring connector positions - version with front battery 40-74
40.4.5 - Engine wiring - version with lateral battery - 0.015.1597.4/10 40-77
40.4.6 - Engine wiring connector positions - version with lateral battery 40-78
40.4.7 - Battery wiring loom - 0.014.8806.4/20 40-81
40.4.8 - Battery wiring connector positions 40-82
40.4.9 - Preheating wiring loom - 0.014.9195.4/20 40-86
40.4.10 - Pre-heating wiring connector positions 40-87
40.4.11 - Power supply wiring - 0.015.1983.4/10 40-89
40.4.12 - Power supply wiring connector positions 40-90
40.4.13 - Instrument panel wiring - 0.014.8628.4/20 40-93
40.4.14 - Instrument panel wiring connector positions 40-97
40.4.15 - RH drivetrain wiring - 0.014.8630.4/20 40-101
40.4.16 - RH drivetrain wiring connector positions 40-102
40.4.17 - LH drivetrain wiring - 0.014.9193.4/20 40-104
40.4.18 - LH drivetrain wiring connector positions 40-105
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7. TABLE OF CONTENTS
VI
40.4.19 - Power supply wiring - Tractor with standard cab - 0.014.9375.4/20 40-107
40.4.20 - Power supply wiring connector positions - Tractor with standard cab 40-108
40.4.21 - Roof line wiring - Tractor with standard cab - 0.009.7850.4/50 40-110
40.4.22 - Roof line wiring connector positions - Tractor with standard cab 40-112
40.4.23 - Heating wiring - Tractor with standard cab - 0.010.2147.2 40-115
40.4.24 - Heating system wiring connector positions - Tractor with standard cab 40-116
40.4.25 - Air conditioning wiring - Tractor with standard cab - 0.010.2153.2 40-118
40.4.26 - Air conditioner wiring connector positions - Tractor with standard cab 40-119
40.4.27 - Air conditioning cooler fan wiring - Tractor with standard cab - 0.009.7853.3/20 40-121
40.4.28 - Air conditioner exchanger fan wiring connector positions - Tractor with standard cab 40-122
40.4.29 - Front-rear worklights wiring - Tractor with standard cab - 0.009.7851.4/50 40-124
40.4.30 - Supplementary worklights wiring connector positions - Tractor with standard cab 40-126
40.4.31 - Supplementary worklights wiring - Tractor with standard cab - 0.015.1435.4/10 40-128
40.4.32 - Supplementary worklights wiring connector positions - Tractor with standard cab 40-130
40.4.33 - Windscreen wiper wiring - Tractor with standard cab - 0.010.4516.3 40-132
40.4.34 - Windscreen wiper connector positions wiring - Tractor with standard cab 40-133
40.4.35 - Loudspeaker wiring - Tractor with standard cab - 0.011.0729.4/10 40-135
40.4.36 - Loudspeaker wiring connector positions - Tractor with standard cab 40-137
40.4.37 - Cab power supply wiring - Tractor with high-visibility cab - 0.014.9376.4/10 40-139
40.4.38 - Cab power supply wiring connector positions - Tractor with high-visibility cab 40-140
40.4.39 - Roof line wiring - Tractor with high-visibility cab - 0.011.3606.4/50 40-142
40.4.40 - Roof line wiring connector positions - Tractor with high-visibility cab 40-145
40.4.41 - Heating system wiring - Tractor with high-visibility cab - 0.010.2554.2 40-147
40.4.42 - Heating system wiring connector positions - Tractor with high-visibility cab 40-149
40.4.43 - Air conditioning wiring - Tractor with high-visibility cab - 0.010.2560.0 40-151
40.4.44 - Air conditioner wiring connector positions - Tractor with high-visibility cab 40-153
40.4.45 - Air conditioning cooler fan wiring - Tractor with high-visibility cab - 0.011.3610.3/20 40-155
40.4.46 - Air conditioning exchanger fan wiring connector positions - Tractor with high-visibility
cab 40-156
40.4.47 - Front-rear worklights wiring - Tractor with high-visibility cab - 0.011.3595.3/10 40-158
40.4.48 - Worklights wiring connector positions - Tractor with high-visibility cab 40-159
40.4.49 - Supplementary worklights wiring - Tractor with high-visibility cab - 0.015.1437.4/10 40-161
40.4.50 - Supplementary worklights wiring connector positions - Tractor with high-visibility cab 40-162
40.4.51 - Windscreen wiper wiring - Tractor with high-visibility cab - 0.011.3597.3 40-166
40.4.52 - Windscreen wiper wiring connector positions - Tractor with high-visibility cab 40-167
40.4.53 - Loudspeaker, radio, rear wiper, flashing light and clock wiring - Tractor with high-
visibility cab - 0.011.3596.3/40 40-169
40.4.54 - Loudspeaker, radio, rear wiper, flashing light and clock wiring connector positions
- Tractor with high-visibility cab 40-171
40.4.55 - Wiring for front lights - Tractor with cab - 0.010.8189.3/40 40-173
40.4.56 - Front lights wiring connector positions - Tractor with cab 40-174
40.4.57 - Wiring for lower front lights - Tractor with cab - 0441.1923.4 40-177
40.4.58 - Lower front lights wiring connector positions - Tractor with cab 40-178
40.4.59 - Wiring for front lights - Tractor with platform - 0.015.3094.4 40-180
40.4.60 - Front lights wiring connector positions - Tractor with platform 40-182
40.4.61 - Worklights wiring - Tractor with platform - 0.014.9281.4 40-184
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8. TABLE OF CONTENTS
VII
40.4.62 - Worklights wiring connector positions - Tractor with platform 40-186
40.4.63 - Rotating beacon wiring - 0.012.9909.4 40-188
40.4.64 - Position of rotary beacon wiring connectors 40-189
40.4.65 - Trailer hydraulic braking wiring - 0.014.1645.4/10 40-191
40.4.66 - Trailer hydraulic braking wiring connector positions 40-192
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9. 0 - INTRODUCTION
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10. INTRODUCTION
0-2
0.1 - INTRODUCTION
The purpose of this workshop manual is to provide instruction for repair technicians and a practical guide to improving the quality
of repairs. This manual enables repair technicians to acquire a thorough knowledge of the machine, indicating the correct methods
for fault diagnosis, for working in safety and for accurate dimensional checks and visual inspections. The instructions also indicate
the products to use, the tightening torques and the adjustment data. The technical material contained in this manual is reserved to
Authorised Dealers and Service Centres who will be duly informed of any technical changes to the machines in question through the
issue of documents regarding modifications, updates and supplements for optional equipment. All technicians and their colleagues
are expressly forbidden from reproducing any part of this manual in any form or from communicating the contents to third parties
without the express written permission of the Manufacturer, who remains the sole owner of this document with all rights reserved in
accordance with applicable laws.
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11. INTRODUCTION
0-3
0.1.1 - Safety notes
To ensure that machines entrusted to Authorised Service Centres for repair or overhaul continue to function correctly, it is very
important that all repair work is carried out in the prescribed manner. The procedures for checks and repairs indicated in this manual
are safe and effective. Some of the operations described require the use of special tools and equipment; these tools have been
specifally designed for the intended purpose and may be ordered directly from the Manufacturers. DO NOT USE MAKESHIFT
TOOLS; not only is there a risk of personal injury, but such tools are rarely suited to the purpose for which they are used. In potentially
hazardous situations, always give priority to personal safety and take the necessary actions to eliminate the danger
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12. INTRODUCTION
0-4
0.1.2 - General safety rules
● Even if you have a thorough knowledge of the machine as regards its components, operation and controls, always take
special care when carrying out the following operations; Remember that the machine you are working on is in need of repair
or overhaul and consequently may not always behave as expected.
● Before starting work, clean the tractor thoroughly to remove all mud, dust and road dirt. Also clean the cab to remove all traces
of oil, snow and ice from the access steps and grab rails.
● When climbing up to or down from the cab, always ensure you maintain three points of contact at a time (foot or handholds)
in order to keep your balance and prevent accidental falls.
● Always take special care when carrying out fault diagnosis operations; these operations often require two persons, who must
never stand in front of the wheels when the engine is running.
● When carrying out checks and repairs, wear close-fitting clothing, safety goggles and protective gloves that are suitable for
the task (cleaning, draining fluids, repairs). When working near moving parts, long hair should be gathered up and tied back
safely under a cap to prevent the risk of entanglement and severe injury.
● Do not allow anyone who is not directly involved in the work to come near the tractor; ensure that they remain at a safe
distance.
● Keep well clear of moving parts; when the engine is running, some moving parts are not easily visible and therefore present a
risk of entanglement, even if protected by safety guards.
● Ensure that the area is well ventilated before starting the engine in order to avoid the formation of dangerous concentrations
of toxic gases; always connect suitable fume extraction equipment to the exhaust pipe.
● Do not start the engine with the safety guards removed under any circumstances; all repair and adjustment operations must
be carried out with the engine stopped.
● Do not top up fuel, oil or coolant levels when the engine is running.
● Never smoke and ensure there are no naked flames nearby when topping up fuel or oil. Always remove the battery from the
machine before recharging.
● Before checking or removing the battery, stop the engine and remove the key from the starter switch.
● Remove the battery and recharge in a well-ventilated area where the temperature exceeds 0°C.
● When checking or recharging the battery, do not smoke or allow naked flames in the vicinity as the hydrogen gas given off by
the battery is highly explosive.
● The liquid (electrolyte) contained in the battery is very harmful if it comes into contact with the skin and the eyes; for this
reason, always wear gloves and safety goggles with side shields when checking or topping up the battery. Should any
electrolyte accidentally come into contact with your skin, wash the affected areas immediately with plenty of fresh water; if
electrolyte comes into contact with your clothing, this should be removed as soon as possible. In case of accidental ingestion
of electrolyte, drink copious amounts of water, milk or vegetable oil and take antacids such as magnesium, bicarbonate, etc.
and seek medical attention immediately.
● Before working on the electrical systems, always disconnect the battery terminals.
DANGER
Always disconnect the negative lead (--) before the positive lead (+); when re-connecting the battery on completion
of the work, first connect the positive terminal (+) and then the negative (--).
● Before carrying out any arc welding (permitted only on implements attached to the machine) always disconnect the battery
terminals and unplug all the connectors of the electronic control units and the alternator.
● When topping up lubricants, always wear suitable protective gloves.
● Do not wear clothing contaminated by engine or hydraulic oil; prolonged contact with the skin can be harmful and may cause
allergic reactions.
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13. INTRODUCTION
0-5
● Used engine oil and hydraulic oil must be disposed of properly; recover used lubricants and dispose of them in accordance
with the applicable regulations.
● Before carrying out any work on the hydraulic or pneumatic systems, discharge all residual pressure from the circuits.
● Before carrying out any work on the hydraulic system or engine, allow the oil and engine coolant to cool down.
● When removing and refitting certain assemblies, it will be necessary to support the tractor; use stands, jacks or blocks capable
of supporting the weight and arrange them in a triangular pattern to prevent the machine from overturning.
● To lift heavy components, use a hoist or crane. Check that wire ropes, chains or fibre slings are not worn and that hooks are
not damaged.
● Always use lifting equipment of suitable capacity for the weight of the components to be removed. Ensure lifting equipment is
attached correctly.
● When lifting or supporting an assembly or component, manoeuvre the parts slowly and carefully to avoid swinging movements
or collision with other components.
● Never work on components suspended from a hoist or crane.
● When removing the retaining bolts of a component that could fall, always leave two opposing bolts in place for safety; before
removing these last two bolts, attach the component to suitable lifting equipment or position support blocks.
● Any oil or fuel spilled during removal or dismantling operations should be cleaned up as soon as possible to prevent the risk
of slipping and fire.
● When refitting electrical wiring looms and wires, ensure that they are properly secured with their original retaining straps or
brackets to prevent the possibility of damage caused by vibration.
● Never insert your fingers or hands to check the alignment between fixing holes in components; always use a suitable dowel
of soft material.
● When refitting assemblies or components, always use the specified tightening torques; the tightening torques indicated in the
paragraphs regarding assembly/refitting operations have been determined through experimentation and must be scrupulously
adhered to.
● When refitting parts that are subject to vibration or that rotate at high speed, take particular care when carrying out final
installation checks.
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14. INTRODUCTION
0-6
0.1.3 - Safety precautions for removal and refitting operations
When removing or refitting parts, always take the following safety precautions.
Precautions for removal operations
● Unless otherwise indicated, lower the lifting equipment until it the component or assembly rests on the ground.
● After disconnecting hydraulic and fuel system pipes, always fit plugs to the open ends of the pipes to prevent ingress of dirt.
● Before removing a cylinder, fully retract the piston and secure it in this position using a retaining strap.
● Use containers of sufficient capacity when draining oil, coolant or fuel.
● Before removing a part from the machine, check for alignment markings indicating the correct assembly position. If necessary,
make new markings to ensure correct assembly.
● When unplugging electrical connectors, always grip the connectors firmly to avoid pulling on the wires.
● Where necessary, label wires and pipes before removal to avoid confusion when reconnecting.
● Check the number and thickness of any shims removed and keep them together in a safe place.
● To lift the tractor or any of its main components, use lifting equipment of suitable capacity.
● When using eyebolts for lifting components, first check that they are not deformed or damaged; screw them fully home and
then turn the bolt so that the eye is aligned with the lifting hook.
● Before removing a part, clean the surrounding area and, after removing the part, cover it to protect it from dirt and dust.
Precautions for refitting operations
● Tighten nuts and screws to the specified tightening torques.
● When refitting flexible pipes and cables, take care not to twist or tangle them.
● Always fit new seals, O-rings, split pins and safety stop rings; make sure that the ends of the cotter pins are separated and
bent back so that the pin cannot be withdrawn from the hole.
● Ensure that circlips are correctly installed in their seatings.
● When applying threadlocking compound, first clean the part to remove all oil and grease, then cover the thread evenly applying
a few drops of the compound.
● When applying sealant, first clean the surface removing all traces of oil and grease and check for dirt or indentations, then
apply the sealant evenly making sure that it forms a continuous film around any fixing holes.
● Clean all parts, removing dirt, oxidisation, carbon deposits, burrs and indentations.
● Coat all moving parts with a thin film of engine oil.
● When reconnecting electrical wiring connectors, first remove all traces of oil, dust and water from the inside of the connector
and then push the two halves together firmly; connectors with locking tabs should be pushed together until the tab engages
the keeper.
● Bolt down flanged fittings evenly, tightening the screws gradually in a crosswise pattern.
Precautions to be taken on completion of removal/refitting operations
● If coolant has been drained from the engine, refit the drain plug and pour in new coolant to the correct level. Start the engine
to circulate the coolant and then check the level again and top up.
● After removing hydraulic components, top up the hydraulic oil to the specified level. Start the engine to circulate the oil in the
hydraulic circuits and then recheck the level and top up as necessary.
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15. INTRODUCTION
0-7
● After having removed a variable displacement pump, connect the drain pipe and fill the pump casing with oil through the filler
hole provided.
● Grease stub axle housings, cylinder pivot mountings and drive shafts thoroughly after assembly.
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16. INTRODUCTION
0-8
0.1.4 - Lifting instructions
DANGER
Components weighing over 25 kg or of significant size must be supported and removed using suitable lifting equipment
with wire rope or polyester slings.
Wire ropes - slings
● Use wire ropes or polyester slings of suitable capacity for the parts to be lifted, referring to the following tables:
Tab.1
WIRE ROPES (standard twisted “S” or “Z” type) POLYESTER SLINGS (eye-and-eye - simple loop)
Ø rope mm Capacity (kg) Width (mm) Capacity (kg)
60° 90° 60° 90°
8 650 620 500 25 500 400 860 700
10 1000 1740 1420 50 1000 800 1730 1410
12 1450 2500 2050 62 1250 1000 2160 1760
14 2000 3460 2820 75 1400 1120 2420 1980
16 2600 4500 3670 100 2000 1600 3460 2820
18 3300 5710 4660 150 2500 2000 4330 3530
Lifting capacities are calculated with a safety coefficient.
● The lifting hook should be attached to the central part of the rope or sling; if the hook is attached near the ends of the rope/
sling, this could cause the load to slip during lifting.
● Never lift a heavy load using a single rope; always use two or more symmetrically arranged ropes.
DANGER
Suspension of a load from a single rope could cause the load to start rotating and consequently cause the rope
strands to untwist or the load to slip; this could lead to serious injury.
● Never lift a heavy load when the two legs of the ropes form a wide angle. the permitted load (kg) decreases in inverse
proportion to the angle of suspension; the table below indicates how the permitted load varies according to the angle of
suspension for two Ø 10 mm ropes each with a load capacity of 1000 kg.
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17. INTRODUCTION
0-9
30° 60° 90° 120° 150°
1000
2000
2000
1900
1700
1400
1000
500
Angolo di sospensione:
Capacità
di
carico:
kg
Fig.1
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18. INTRODUCTION
0-10
0.1.5 - Tightening torques
Bolts and nuts
DANGER
The tightening torques for certain specific components and special tightening methods are indicated in the relative
assembly paragraphs.
The tightening torques indicated below refer to screws and nuts assembled without lubrication and, where applicable, with anaerobic
threadlocking compound. the values apply to tightening on steel or cast iron components; for soft materials such as aluminium,
copper, plastic, sheet metal or panels, the indicated tightening torques must be reduced by 50%.
Tab.2
BOLT SIZE BOLT CLASS
8.8 10.9 12.9
Nm lb.ft. Nm lb.ft. Nm lb.ft.
COAR-
SE
M6x1 8.0 – 8.8 5.9 – 6.5 11.8 – 13.0 8.7 – 9.6 13.8 – 15.2 10.2 – 11.2
M8x1.25 19.4 – 21.4 14.3 – 15.8 28.5 – 31.5 21.0 – 23.2 33.3 – 36.9 24.5 – 27.2
M10x1.5 38.4 – 42.4 28.3 – 31.2 56.4 – 62.4 41.6 – 46.0 67.4 – 74.4 49.7 – 54.8
M12x1.75 66.5 – 73.5 49.0 – 54.2 96.9 – 107 71.4 – 78.9 115 – 128 84.8 – 94.3
M14x2 106 – 117 78.1 – 86.2 156 – 172 115.0 – 126.8 184 – 204 135.6 – 150.3
M16x2 164 – 182 120.9 – 134.1 241 – 267 117.6 – 196.8 282 – 312 207.8 – 229.9
M18x2.5 228 – 252 168.0 – 185.7 334 – 370 246.2 – 272.7 391 – 432 288.2 – 318.4
M20x2.5 321 – 355 236.6 – 261.6 472 – 522 347.9 – 384.7 553 – 611 407.6 – 450.3
M22x2.5 441 – 487 325.0 – 358.9 647 – 715 476.8 – 527.0 751 – 830 553.5 – 611.7
M24x3 553 – 611 407.6 – 450.3 812 – 898 598.4 – 661.8 950 – 1050 700.2 – 773.9
M27x3 816 – 902 601.4 – 664.8 1198 – 1324 882.9 – 975.8 1419 – 1569 1045.8 – 1156.4
FINE M8x1 20.8 – 23.0 15.3 – 17.0 30.6 – 33.8 22.6 – 24.9 35.8 – 39.6 26.4 – 29.2
M10x1.25 40.6 – 44.8 29.9 – 33.0 59.7 – 65.9 44.0 – 48.6 71.2 – 78.6 52.5 – 57.9
M12x1.25 72.2 – 79.8 53.2 – 58.8 106 – 118 78.1 – 87.0 126 – 140 92.9 – 103.2
M12x1.5 69.4 – 76.7 51.1 – 56.5 102 – 112 75.2 – 82.5 121 – 134 89.2 – 98.8
M14x1.5 114 – 126 84.0 – 92.9 168 – 186 123.8 – 137.1 199 – 220 146.7 – 162.1
M16x1.5 175 – 194 129 – 143 257 – 285 189.4 – 210.0 301 – 333 221.8 – 245.4
M18x1.5 256 – 282 188.7 – 207.8 375 – 415 276.4 – 305.9 439 – 485 323.5 – 357.4
M20x1.5 355 – 393 261.6 – 289.6 523 – 578 385.5 – 426.0 611 – 676 450.3 – 498.2
M22x1.5 482 – 532 355.2 – 392.1 708 – 782 521.8 – 576.3 821 – 908 605.1 – 669.2
M24x2 602 – 666 443.7 – 490.8 884 – 978 651.5 – 720.8 1035 – 1143 762.8 – 842.4
Fittings
The tightening torques indicated below refer to fittings assembled on any material.
Tab.3
ME-
TRIC
Straight end fittings T” end fittings L” end fittings 90° end fittings
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19. INTRODUCTION
0-11
Thread size Wrench Torque Nm
±10%
Wrench Torque Nm
±10%
Wrench Torque Nm
±10%
Wrench Torque Nm
±10%
M10x1.25 17 14 14 14 14 14 14 14
19 14 17 14 17 14
M12x1.25 19 30 17 30 17 30 17 30
M14x1.5 19 40 19 40 19 40 19 40
M16x1.5 22 48 22 48 22 48 22 48
M18x1.5 24 58 24 58 24 58 24 58
M20x1.5 27 65 27 65 27 65 27 65
M22x1.5 30 73 30 73 30 73 30 73
M26x1.5 36 95 36 95 36 95 36 95
M27x2 36 100 36 100 36 100 36 100
M33x2 41 160 41 160 41 160 41 160
M42x2 50 250 50 250 50 250 50 250
M48x2 60 305 60 305 60 305 60 305
G 1/8” 17 13 14 13 14 13 14 13
19 13
G 1/4” 19 37 19 37 19 37 19 37
22 37
G 3/8” 24 53 24 53 24 53 24 53
G 1/2” 27 73 27 73 27 73 27 73
30 73
G 3/4” 36 100 36 100 36 100 36 100
G 1” 41 160 41 160 41 160 41 160
46 160
G 1 1/4” 50 250 50 250 50 250 50 250
G 1 1/2” 60 305 60 305 60 305 60 305
Plugs
Tab.4
Hex plugs Threaded plugs with hex socket head
Thread size Wrench Torque Nm ±10% Wrench Torque Nm ±10%
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20. INTRODUCTION
0-12
ME-
TRIC
M6x1 10 10 – –
M8x1 13 12 – –
M10x1 13 14 5 14
M10x1.25 13 14 – –
M10x1.5 13 14 – –
M12x1.25 17 30 – –
M12x1.5 17 30 6 30
M12x1.75 17 30 – –
M14x1.5 19 40 6 40
M14x2 19 40 – –
M16x1.5 22 48 8 48
M16x2 22 48 – –
M18x1.5 17 58 10 58
M18x2.5 17 58 – –
M20x1.5 19 65 – –
M22x1.5 – – 12 73
M24x1.5 22 80 12 80
M24x2 22 80 – –
M27x2 22 100 – –
M28x1.5 – – 17 110
M30x1.5 22 130 – –
M32x1.5 – – 19 150
M35x1.5 – – 22 180
M40x1.5 – – 24 225
G 1/8” 14 13 – –
G 1/4” 19 37 – –
G 3/8” 22 53 – –
G 1/2” 19 73 – –
G 5/8” 22 85 – –
G 3/4” 22 100 – –
G 1” 22 160 – –
Fittings with seal at 37°
Tab.5
Thread size Wrench Torque Nm ±10%
7/16” - 20 14 13
1/2” - 20 16 19
9/16” - 18 17 28
3/4” - 16 22 47
7/8” - 14 27 76
1 1/16” - 12 32 110
36 110
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21. INTRODUCTION
0-13
1 3/16” - 12 36 138
1 5/16” - 12 38 155
1 5/8” - 12 50 215
1 7/8” - 12 60 290
2 1/2” - 12 75 345
Fittings for pipes with banjo union
These tightening torques refer to tightening the fitting with new copper sealing washers.
Tab.6
Unions for one-way fittings Unions for three-way fittings Unions for four-way fittings
Thread size Wrench Torque Nm
±10%
Wrench Torque Nm
±10%
Wrench Torque Nm
±10%
M8x1 – 12 14 – –
M8x1.25 13 14
M10x1 – – 14 20 14 20
M10x1.25 13 20 – – – –
M12x1.25 17 30 – – – –
M12x1.5 – – 17 30 17 30
M14x1.5 19 40 19 40 19 40
M16x1.5 22 48 22 48 22 48
M18x1.5 22 58 24 58 24 58
M20x1.5 27 65 – – – –
M22x1.5 – – 27 73 27 73
M24x1.5 32 80 – – – –
M26x1.5 – – 32 95 32 95
M28x1.5 36 110 – – – –
M30x1.5 – – 36 130 36 130
M35x2 41 180 – – – –
M38x1.5 – – 46 200 46 200
M42x2 50 250 – – – –
M45x1.5 – – 55 280 55 280
M50x2 60 320 – – – –
M52x1.5 – – 60 320 60 320
M65x2 – – 75 450 75 450
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23. INTRODUCTION
0-14
0.1.6 - Threadlockers, adhesives, sealants and lubricants
Tab.7
FUNCTION NAME DESCRIPTION
THREADLOCKER Loctite 222 Colour: opaque fluorescent purple Anaerobic product suitable for low-strength locking of retaining,
adjustment and precision fasteners. All traces of lubricant must first be
removed using the specific activator.
Loctite 242 Colour: fluorescent blue Anaerobic product that prevents loosening of all types of nut and bolt;
used in place of conventional mechanical locking systems. Used for
medium-strength locking. All traces of lubricant must first be removed
using the specific activator.
Loctite 243 Colour: opaque fluorescent blue Alternative product to 242 ; oil tolerant and so can be used on lightly
lubricated surfaces without prior use of activator.
Loctite 270 Colour: fluorescent green Anaerobic product for high-strength locking of bolts and studs that do
not normally require disassembly. Parts must be heated to approxi-
mately 80°C for removal. All traces of lubricant must first be removed
using the specific activator.
DEGREASERS AND
ACTIVATORS
Loctite 703 Product used for degreasing and cleaning parts prior to application of
Loctite anaerobic products; after drying, promotes uniform curing of
threadlockers
Loctite 747 Product used specifically for treatment of passive metals prior to use of
slow-cure anaerobic threadlockers (series 5 and 6). Can also be used
to increase cure speed at low temperatures or in applications where
there are large gaps between the parts.
SEALANTS (for faces
and fittings)
Loctite 510 Colour: red Super-rapid anaerobic sealant for sealing between rigid metal faces;
can eliminate the need for conventional gaskets as it can fill gaps up
to 0.4 mm. Does not shrink and therefore fasteners do not need re-
tightening to specified torque values after curing.
Loctite 542 Colour: Brown Anaerobic product used as a liquid sealant for threaded fittings up to
3/4” gas; rapid curing and parts may be disassembled with ordinary
tools.
Loctite 554 Colour: red Anaerobic sealant and locking compound used for sealing cooling and
industrial fluid circuits. Slow curing, also suitable for use on non-fer-
rous alloys
Loctite 572 Colour: White Anaerobic sealant and locking compound used for sealing pipes and
threaded fittings up to 2” in diameter. Very slow curing on most metal
surfaces.
Loctite 573 Colour: green Thixotropic anaerobic product used for sealing joints between metal fa-
ces. Ensures total contact between surfaces with maximum tolerance
of 0.10 mm, filling microvoids caused by flatness errors. Very slow
curing on most metal surfaces and requires prior application of an
activator.
Loctite 576 Colour: brown Anaerobic product used as a liquid thread sealant for large diameter
threaded fittings (up to 2”). Very slow curing; also suitable for non-
ferrous alloys and parts requiring subsequent removal.
INSTANT ADHESI-
VES
Loctite 401 Colour: colourless Cyanoacrylate instant adhesive suitable for bonding a wide range of
acidic and porous materials including, ceramics, wood, rubber and
plastic (excluding polyolefin). Curing takes place in a few seconds
as an effect of the condensed humidity present on the surfaces to be
bonded, and is independent of environmental conditions.
Loctite 495 Colour: colourless Cyanoacrylate instant adhesive suitable for bonding a rubber, plastics
and metal in any combination.
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24. INTRODUCTION
0-15
SEALANTS SILI-
CONE
Silastic 738 (Dow Corning) Colour: milky white One-part silicone adhesive/sealant, non dhrinking, ready for use.
Cures on exposure to air to form a rubbery solid and obviates the need
for conventional seals on flexible joints, filling gaps greater than 1 mm.
Dirko Transparent Colour: transparent One-part silicone adhesive/sealant, shrinking, ready for use. Cures
rapidly when exposed to humidity in the air to form a rubbery solid;
resistant to high temperatures.
SEALANTS POLU-
RETHANE
Betaseal HV3 (Gurit Essex) Colour: black Polyurethane prepolymer based adhesive/sealant, high viscosity, sui-
table for permanent, high-strength flexible bonding. Slow curing, used
for bonding glass to frames, wire mesh, metal plates, etc. surfaces
must be degreased with primer.
RETAINING COM-
POUNDS
Loctite 601 Colour: fluorescent green Anaerobic, fast-curing, high-strength adhesive. Suitable for sealing
and retaining cylindrical assemblies with gap clearances of up to 0.10
mm; used for retaining rotors, gears, bearings, pulleys, bushes etc. on
shafts.
Loctite 638 Colour: fluorescent green Anaerobic structural adhesive, quick-curing, very high strength; suita-
ble for bonding cylindrical parts in non-ferrous alloys.
Loctite 648 Colour: fluorescent green Anaerobic structural adhesive, quick-curing, high-strength; suitable
for bonding cylindrical parts, permanent retention of threaded parts,
sealing of refrigeration systems, retention of bearings, etc. Alternative
to Loctite 601 in high-temperature applications.
Loctite 986/AVX Colour: Fluorescent red Anaerobic sealant/retaining compound for metal cylindrical parts.
Slow-curing, high-strength, heat-resistant and resistant to chemical
attack. Parts must be first treated with an activator.
LUBRICANTS Grease (NLGI 2 EP ASTM D217: 265/295) Multi-purpose Lithium grease used for lubrication of seals, to prevent
oxidization and to facilitate assembly operations.
Molikote (Dow Corning) Anti-wear compound, contains Molybdenum bisulphate, used neat or
diluted with engine oil for assembly of main engine bearings.
Vaseline Neutral pH compound used to protect battery terminals against oxidi-
zation and corrosion.
Engine oil 10W - 30 Used to dilute Molikote anti-wear lubricant during assembly of main
engine bearings.
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25. INTRODUCTION
0-16
0.1.7 - Conversion factors
Conversion from British to metric units
Tab.8
inch x 25.40 = mm
foot x 0.305 = m
yard x 0.914
Eng.miles x 1.609 = km
Sq.in. x 6.452 = cm²
Sq.ft. x 0.093 = m²
Sq.yard x 0.835
Cu.in. x 16.39 = cm³
Cu.ft. x 28.36 = m³
Cu.yard x 0.763
Imp.gall. x 4.547 = litres
US gall. x 3.785
pint x 0.568
quart x 1.137
US.gpm x 3.785 = ,/min
oz. x 0.028 = kg
lb. x 0.454
lb.ft. x 0.139 = kgm
lb.in. x 17.87 = kg/m
psi x 0.070 = kg/cm²
lb./Imp.gall x 0.100 = kg/,
lb./US.gall x 0.120
lb./cu.ft. x 16.21 = kg/m³
lb.ft. x 1.356 = Nm
psi x 1.379 = bar
Conversion from metric to British units
Tab.9
mm x 0.0394 = inch
m x 3.281 = foot
m x 1,094 = yard
km x 0.622 = Brit.miles
cm² x 0.155 = Sq.in.
m² x 10.77 = Sq.ft.
m² x 1.197 = Sq.yard
cm³ x 0.061 = Cu.in.
m³ x 0.035 = Cu.ft
m³ x 1.311 = Cu.yard
litres x 0.220 = Imp.gall.
litres x 0.264 = US gall.
litres x 1.762 = pint
litres x 0.880 = quart
,/min x 0.2642 = US.gpm
kg x 35.25 = oz.
kg x 2.203 = lb.
kgm x 7.233 = lb.ft.
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26. INTRODUCTION
0-17
kg/m x 0.056 = lb.in.
kg/cm² x 14.22 = psi
kg/, x 10.00 = lb./Imp.gal.
kg/, x 8.333 = lb./US.gal.
kg/m³ x 0.062 = lb./cu.ft.
Nm x 0.737 = lb.ft.
bar x 14.503 = psi
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27. 10 - TECHNICAL CHARACTERISTICS
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28. TECHNICAL CHARACTERISTICS
10-2
10.1 - TRANSMISSION
10.1.1 - Transmission (Agrofarm 85)
introduction
This tractor series can be supplied in a version with 5 synchronised speeds and 4 ranges (20 FWD + 20 REV).
The rear transmission casing also houses the drive train for the rear PTO, which is supplied in the following versions:
1. 2-speed PTO (540 - 1000)
2. 4-speed PTO (540 - 540E - 1000 - 1000E)
3. Groundspeed PTO supplied with the versions as at points 1 and 2.
All the PTO versions are mechanical with non-synchronized gears and electrohydraulic engagement control while the Groundspeed
PTO is operated by a mechanical control.
Main assemblies
24
D0036580
1 3 5
Fig.2
1. Clutch housing
2. HI-LO assembly
3. Gearbox, reverse shuttle, underdrive and ranges assembly
4. Differential unit
5. Rear PTO
Description
The transmission receives drive from the engine and transmits it through clutch assembly (1), gearbox and shuttle assembly (2),
HI-LO unit (3) and range gearbox (4) to bevel gear pair (5). Drive is then transmitted to the epicyclic gears (6) and then to the wheels
(7). Between bevel gear pair (5) and final drive reduction unit (6) is installed braking device (8) that acts as the main brake while the
parking brake is fitted on the 4WD output shaft (9).
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