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

Complete Workshop Repair Manual Fiat agri 55-90 60-90 70-90 Tractor. Detailed Step by Step Instructions, diagrams, illustrations make easy any repair, Overhaul, Disassembly and Assembly, Testing and Tuneup, Replacement and Change, Inspection and Adjustment.

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MODELS Covered

Fiat 55-90
Fiat 60-90
Fiat 70-90

SECTIONS covered

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 TOOLS