Fiat 55-66 60-66 65-66 70-66 80-66 / DT Series Workshop Manual

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Pages: 239
Format: PDF (High-Quality PDF Manual)
Language: English
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Wiring and Hydraulic Schematics

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Factory Service Repair Manual For Fiat 55-66 60-66 65-66 70-66 80-66 / DT Series Tractors. Tons of illustrations, instructions, diagrams for step by step remove and install, assembly and disassembly, service, inspection, repair, troubleshooting, tune-ups.

Format: PDF
Language: English
Pages: 239
Bookmarks: Yes
Searchable: Yes
Number: 603.54.228.02
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Fiat

466, 566, 666, 756, 766

45-66
45-66 DT
55-66
60-66
65-66
70-66
80-66
55-66 DT
60-66 DT
65-66 DT
70-66 DT
80-66 DT
45-66 V
55-66 V
55-66 F
60-66 F
70-66 F
80-66 F
45-66 DTV
55-66 DTV
55-66 DTF
60-66 DTF
70-66 DTF
80-66 DTF
55-66 LP
60-66 LP
70-66 LP
55-66 DT LP
60-66 DT LP
70-66 DT LP

Contents

-GENERAL
Contents
General instructions – See 466, 566, 666 and 766
Safety precautions – See 466, 566, 666 and 766
– SPECIFICATIONS
Identification data – Weights
Engine
Power train – Brakes – Steering – Front axle – Front wheel drive – Rear wheels
Power take-off
Hydraulic lift – Towing attachments –
Ballasting – Body – Electrical system 6
Lighting – Instruments and accessories
Tyre sizes
Main dimensions
Power train schematics
Capacities 13
Tractor
-ENGINE: SPECIFICATIONS AND DATA
Engine block – Cylinder head
Crank gear
Valve gear
Lubrication system
Cooling system
Fuel system
Torque data
Engine section model 55-66 and 60-66
Engine section model 70-66 and 80-66
– ENGINE: DESCRIPTION – PERFORMANCE DATA
Removal – Installation
Description
Performance data
Compression test See 466, 566, 666 and 766 4
Removal-Installation – See 466, 566, 666 and 766
– ENGINE: ENGINE BLOCK
Cylinder sleeves
Cylinder head
Cylinder head
– ENGINE: VALVE GEAR
Camshaft – Valves, guides and springs
Tappets, pushrods and rockers
Valve timing gear train – See 466. 566. 666 and 766
– ENGINE: CRANK GEAR
Crankshaft
Mam and big end bearings and caps – See 466, 566, 666 and 766 2-3
Pistons and rings 1-2
Connecting rods 2
Flywheel – See mod. 466, 566, 666 and 766
Dynamic balancer {models 70-66 and 80-66} 2
– ENGINE: FUEL SYSTEM
Injection pump removal, installation and timing
– ENGINE; LUBRICATION SYSTEM
Lubrication system diagram 55-66 60-66 – See models 466 and 566
Lubrication system diagram 70-66/ 80-66 – See models 666 and 766
Oil pump – Oil filter – Low oil pressure indicator system – See models 466, 566, 666 and 766
– ENGINE: COOLING SYSTEM
Cooling system diagram 1
Description – See 466. 566. 666, and 766
Water pump
Radiator – sec 466, 566, 666 and 766
Belt tension adjustment 2
Water temperature gauge – Thermostat – See 466, 566. 666 and 766
– POWER TRAIN: SPECIFICATIONS AND DATA
Clutches
Transmission and splitter
Creeper – See 466. 566, 666 and 766
Reverser – See 466. 566, 666, and 766
Bevel drive and differential
Brakes
Final drives – See 466, 566. 666, and 766
Power take-off
Torque data
Longitudinal section through power train (55-66. 60-66, 70-66 and 80-66)
Cross section through power tram 55-66 and 60-66
Cross section through power train 70-66 and 80-66
– POWER TRAIN: CLUTCH
Removal and installation see 466, 566, 666, and 766
VALEO clutch overhaul
VALEO clutch adjustment
LUK clutch overhaul
LUK clutch adjustment see 466, 566, 666, and 766
Clutch control adjustment
– POWER TRAIN: TRANSMISSION AND SPLITTER
Transmission removal and installation
Disassembly
Longitudinal and cross sections
through transmission and splitter
Inspection – Assembly
-POWER TRAIN: Creeper and reverser
Creeper: Description – Overhaul – See 466, 566, 666 and 766
Mechanical reverser: Description – Overhaul – See 466, 566, 666 and 766
– 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 backlash adjustment
Longitudinal and cross sections through bevel drive and differential
Differential lock installation and adjustment
– POWER TRAIN: BRAKES
Brake unit assembly and disassembly
Brake pedal adjustment
Parking brake lever adjustment
Transmission brake – Removal and installation
Transmission brake lever adjustment 2
Brake operation – See 466, 566, 666 and 766 5
– FRONT AXLE-STEERING: FRONT AXLE
Removal and installation – Steering knuckle overhaul – Sse 466, 566, 666 and 766
Axle checks – See 466, 566, 666 and 766
-FRONT AXLE-STEERING: MANUAL STEERING
Steering box overhaul – See 466, 566, 666 and 766
Steering linkage – See 466. 566, 666 and 766
– FRONT AXLE-STEERING: POWER STEERING
Power steering overhaul – See 466, 566, 666 and 766
Hydraulic cylinder overhaul
Steering pump and reservoir overhaul
– Hydraulic System Bleeding – See 466,566, 666 And 766
Rotary valve wear check – See 466, 566. 666 and 766
Return to neutral check – See 466, 566, 666 and 766
Seal check – See 466, 566, 666 and 766
Relief valve calibration
Cylinder safety valve adjustment – See 466, 566, 666 and 766
Power steering control valve overhaul – See 466, 566, 666 and 766
Troubleshooting chart
Operation – Diagrams
– POWER TRAIN: FINAL DRIVES
Removal – See 466, 566, 666 and 766
Disassembly – See 466, 566, 666 and 766
Assembly and installation – See 466, 566. 666 and 766
– POWER TRAIN: POWER TAKE-OFF
Removal and installation – See 466. 566, 666 and 766
Disassembly and assembly – See 466, 566, 666 and 766
Longitudinal section through PTO – See 455, 566. 666 and 766
– FRONT WHEEL DRIVE: SPECIFICATIONS AND DATA
Front axle
Axle drive – Drive shafts
Torque data
– FRONT WHEEL DRIVE: 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 AXLE-STEERING: SPECIFICATIONS AND DATA
– FRONT WHEEL DRIVE: DRIVE SHAFTS – AXLE DRIVE
Front axle
Manual steering
Power steering
Torque data – See 466, 566. 666 and 766
Drive shaft removal and installation
Axle drive disassembly – See 466, 566,666 and 766
Axle drive assembly – See 466, 566, 666 and 766
Front wheel drive sections (55-66 and 60-66 Old)
Front wheel drive sections (55-66 and 60-66 New)
Front axle adjustments (55-66 and 60-66 New)
-HYDRAULIC LIFT UNIT: SPECIFICATIONS AND DATA
Lift
Lift pump
Implement attachment
Remote control valves
Trailer brake valve troubleshooting chart – See 466. 566, 666 and 766
Lift troubleshooting chart – See 466, 566, 666 and 766
Torque data – See 466, 566, 666 and 766
– HYDRAULIC LIFT UNIT: IMPLEMENT ATTACHMENT
Three-point linkage – Right-hand lifting rod
Draught control device
– HYDRAULIC LIFT UNIT: REMOTE CONTROL VALVES
Description and operation – See 466, 566. 666 and 766
Hydraulic system diagrams – See 466. 566, 666 and 766
Disassembly and assembly – See 466, 566, 666 and 766
On-bench relief valve adjustment – See 466, 566, 666 and 766
Spool return test – See 466, 566, 666 and 766
Remote control valve leakage test – See 466. 566, 666 and 766
– HYDRAULIC LIFT UNIT: LILT DESCRIPTION – SEE 466. 566, 666 AND 766
Removal – Disassembly – See 466, 566, 666 and 766
Inspection – See 466.566. 666 and 766
Assembly and installation – See 466, 566, 666 and 766
Position control adjustment
Maximum lift arm travel adjustment on bench
Draught control adjustment
Maximum lift arm travel adjustment with lift installed on tractor
Valve checks
Lift-o-matic adjustment
Hydraulic lift system schematics
Operation
– HYDRAULIC LIFT UNIT: LIFT PUMP
Overhaul See 466, 566, 666 and 766
Output test – See 466, 566, 666 and 766
Trailer brake remote control valve
Description – See 466. 566. 666 and 766
Hydraulic system diagrams – See 466, 566, 666 and 766
Trailer brake remote control valve linkage adjustment – See 466, 566, 666 and 766
– ELECTRICAL SYSTEM: SPECIFICATIONS AND DATA
Charging system
Starter
Battery-Fuses
Lighting – Signals – Accessories – See 466. 566, 666 and 766
Switches – Turn signal switch
Controls and instruments
Fuse box – See 466, 566, 666 and 766
Wiring diagram
– SERVICE TOOLS

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Fiat 55-66 60-66 65-66 70-66 80-66 / DT Series Workshop Manual