Fiat 55-90 60-90 70-90 Repair Manaul

GENERAL

General instructions

Safety precautions

SPECIFICATION

Identification data - Weights

Engine

Power train - Brakes - Steering - Front axle - Front wheel drive - Rear wheels - Power

take-off

Hydraulic lit! - Towing attachments Ballasting - Body

Electrical system - Lighting - Instruments

and accessories - Tyre sizes

Main dimensions

Power train schematics

Capacities

ENGINE: Specification and data

Engine block - Cylinder head

Crank gear

Valve gear

Lubrification system

Cooling system

Fuel system

Torque data

Fastener inspection

Engine section

ENGINE: Description - Performance data - Removal - Installation

Description

Performance data

Compression test

Removal-Installation

ENGINE: Engine block - Cylinder head

Cylinder sleeves

Cylinder head

ENGINE: Valve gear

Camshaft - Valves, guides and

springs

Tappets, pushrods and rockers

Valve timing gear train

ENGINE: Crankgear

Crankshaft

Main and big end bearings and caps

Pistons and rings

Connecting rods

Flywheel

Dynamic balancer

ENGINE: Fuel system

Air cleaner - Fuel tank - Fuel filters

Fuel system bleeding Injection pump removal, installation and timing: BOSCH pump -

CAV pump

ENGINE: Lubrication system

Lubrication system diagrams

Oil pump - Oil filter - Low oil pressure indicator system

ENGINE: Cooling system

Cooling system diagram

Description - Water pump

Radiator - Belt tension adjustment

Water temperature gauge - Thermostat

POWER TRAIN: Specification and data

Clutches 1

Transmission and splitter

Creeper

Reverser

Bevel drive and differential

Brakes

Final drives

Power take-off

Torque data

Longitudinal section through power train

Cross section through: power train

POWER TRAIN: Removal and installation

Platform removal and installation

Platform removal and installation together with FIAT cab

FIAT cab removal without platform

POWER TRAIN: Clutch

Clutch removal and installation

Early model VALEO 11711" clutch overhaul

Early model VALEO 11711" clutch adjustment

Late model VALEO 11711" clutch overhaul

Late model VALEO 11V11' clutch adjustment

VALEO 12*712" clutch overhaul

VALEO 12V12" clutch adjustment

LUK or O.M.G. clutch overhaul

LUK or O.M.G. clutch adjustment

Clutch control adjustment

POWER TRAIN: Transmission and splitter

Removal and installation

Disassembly

Longitudinal and cross sections through transmission and splitter

Inspection - Assembly

Disassembly

Longitudinal and cross sections

through transmission and splitter Inspection - Assembly

Driven shaft adjustment

Drive shalt adjustment

Sections through linkage - Plan view of transmission and splitter

Clutch/splitter shaft seal replacement

POWER TRAIN: Creeper and reverser

Creeper: Description - Overhaul

Mechanical reverser: Description - Overhaul

POWER TRAIN: Bevel drive and differential

Removal - Installation - Disassembly - Assembly of bevel drive and differential

Bevel pinion shaft removal and installation

Bevel drive adjustment

Differential pinion and side gear

b acklash adjustment 15

Longitudinal and cross sections through bevel drive and differential

Differential lock installation and adjustment

POWER TRAIN: Brakes

Operation

Brake unit master cylinder assembly

and disassembly

Brake pedal adjustment

Brake circuit bleeding

Master cylinder bench test

Parking brake lever adjustment

Transmission brake - Removal and installation

POWER TRAIN: Final drives

Removal

Disassembly

Assembly and installation

POWER TRAIN: Power take-off

Removal and installation

Disassembly and assembly

Disassembly and assembly

Longitudinal section through PTO

FRONT AXLE-STEERING

Front axle

Power steering 1

Torque data

FRONT AXLE-STEERING: Power steering

Removal and installation - Steering

knuckle overhaul

Axle checks

FRONT AXLE-STEERING: Front

Power steering overhaul

Hydraulic cylinder overhaul

Steering pump and reservoir overhaul - Hydraulic system bleeding

Rotary valve wear check

Return to neutral check

Seal check

Relief valve calibration

Cylinder safety valve adjustment

Power steering control valve overhaul

Trouble shooting chart

Operation - Diagrams

Steering column disassembly

FRONT WHEEL DRIVE - Specification

Front axle

Axle drive

Drive shafts

Torque data

FRONT WHEEL DRIVE: Live front axle

Removal - final drive, wheel hub and

steering knuckle overhaul

King pin bearing adjustment

Wheel bearing adjustment

Bevel drive and differential overhaul

Bevel drive adjustment

NO SPIN differential

FRONT WHEEL DRIVE: Drive shafts - Axle drive

Drive shaft removal and installation -

Axle drive disassembly/assembly

Front wheel drive sections

HYDRAULIC LIFT UNIT: Specification a Lift

Lift pump

Implement attachment

Remote control valves

Auxiliary cylinder

Trailer brake valve trouble shooting

chart

Lift trouble shooting chart

Torque data

HYDRAULIC LIFT UNIT: Lift

Description

Removal - Disassembly

Inspection

Assembly and installation

Position control adjustment

Maximum lift arm travel adjustment on bench

Draught control

adjustment

Lift control lever adjustment

Variospeed lever adjustment

Response link adjustment

Lift-o-matic adjustment

Maximum lift arm travel adjustment

with lift installed on tractor

Valve checks

Operation

Hydraulic lift system schematics

Auxiliary cylinder

HYDRAULIC LIFT UNIT: Lift pump

Overhaul

Output test

HYDRAULIC LIFT UNIT: Implement attachment

Three point linkage - Right-hand lifting rod

Draught control device

HYDRAULIC LIFT UNIT: Remote control valves

Description and operation

Hydraulic system diagrams

Disassembly and assembly

On-bench relief valve adjustment

Spool return test

Remote control valve leakage test

Control lever adjustment

Trailer brake remote control valve

Description

Hydraulic system diagrams

ELECTRICAL SYSTEM: Specification and data

Charging system 1

MARELL1 starter (55-90, 60-90)

LUCAS starter (55-90, 60-90)

BOSCH starter (55-90. 60-90)

MARELLI starter (70-90, 80-90)

BOSCH starter (70-90. 80-90)

MARELLI starter (90-90, 100-90)

BOSCH starter (90-90, 100-90)

Battery

Fuses

Lighting - Signals - Accessories

Switches

Controls and instruments

Wiring diagram (55-90, 60-90, 70-90 and 80-90)

Wiring diagram (90-90 and 100-90)

SERVICE TQOLS

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Fiat 55-90 60-90 70-90 Repair Manual [Tractor]