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Fiat 480–640 and DT Workshop Manual — Wiring Diagrams

$39.99

Model: 480 | 480 DT | 500 | 500 DT | 540 | 540 DT | 640 | 640 DT
Type: Tractor
Years: 1977
372 Pages·159 MB·Searchable PDF·English·Print-Ready
  • ✓ Wiring Diagrams
  • ✓ Hydraulic Schematics
  • ✓ Torque Specs
  • ✓ Multi-Level Bookmarks (2-level navigation)
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Fiat 480 to 640 and DT camshaft drive diagrams and sleeve bearing replacement procedures.
Fiat 480–640 and DT Workshop Manual — Wiring Diagrams
$39.99

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Fiat's factory service manual 603.54.194R takes the 1977 480, 500, 540 and 640 tractors apart on paper, covering all eight variants (two-wheel drive and DT four-wheel drive) across 372 pages; if you searched for a Fiat 500 service manual PDF, this is the book the dealer shop worked from. Hydraulic lift schematics trace the position control and draft control circuits behind the three-point linkage, while the C.A.V. injection pump section runs from teardown through bench calibration and ends in a trouble-shooting chart. A full wiring diagram backs up alternator bench-test data and starting motor service instructions. Set the injectors to 175 kg/cm² (2485 p.s.i.) and confirm the priming pump moves 100 liters per hour before you condemn the injection pump. Nobody within an hour can answer a bevel gear question at 9 p.m. Bookmarks and a live text layer put the section you need two taps away, so your weather window stays yours.

What's Inside This Fiat 480–640 / DT Manual

SystemPagesKey Topics
Specifications - Removal Installation11-18Description, Specifications, Test Rig Data, Fault-Finding in Case of Poor Engine Performance, Removing the Engine From Tractor, Disassembly and Reassembly, Installation
Crankcase - Cylinder Head - Oil Sump19-24Crankcase and Cylinder Liners, Checking and Cleaning the Crankcase, Cylinder Liner Re-Boring and Replacement, Cylinder Head, Oil Sump
Valves and Timing Mechanism25-32General, Timing Data, Camshaft, Valves and Their Guides and Springs, Valve Gap Adjustment, Tappets, Push-Rod and Rocker Arms, Timing Gears and Case
Crank Gear Assembly33-44General, Crankshaft, Crankshaft Bearings, Pistons and Rings, Connecting Rods, Engine Flywheel, Engine Vibration Damper
Fuel System45-78Specifications, Air Supply, Air Cleaner, Fuel Supply, Fuel Tank, Fuel Priming Pump, Fuel Filters, Fuel System Bleeding
Lubrication79-82General, Oil Pump, Oil Filter, Low Oil Pressure Warning Light, Engine Lubrication Diagram, Engine Lube Schedule and Capacities
Cooling83-88General, Water Pump, Radiator, Thermostat, Replacing the Fan and Alternator Drive Belts, Fan, Water Temperature Gauge
Fits and Tolerances - Torque Specifications - Service Tools89-98Size of New Parts and Wear Limits for the Engine: Crankcase Main Bearing Bore Diameters, Standard Piston Sizes with Oversizes and Piston-To-Liner Clearance, Small End Bushing Bore, Crankshaft Penultimate Journal Length and End Float, Timing Idler Gear Axle Diameter, Plus the Service Tool Numbers
Power Train99-112Description - Specifications - Lubrication (Transmission Ratios, Performance, Weight and Consumption Data, Lubricants - Dimensions)
Transmission113-1228-Speed Transmission, Removing the 8-Speed Transmission, Dismantling the 8-Speed Transmission, Inspection, 8-Speed Transmission Assembly, Transmission Installation
Bevel Gear and Differential123-130Description - Removal - Disassembly, Inspection, Bevel Gear and Differential Assembly, Bevel Gear Setting
Brakes131-132Dry Contracting Band Brakes Acting on Two Drums Keyed to the Differential Axle Shafts, Mechanically Controlled by Independent Service Pedals; Disassembly, Inspection, Assembly and Adjustment, With the Final Drive Removed First
Final Drives and Rear Wheels133-136Final Drives Bolted to the Sides of the Rear Transmission, Each Carrying a Single-Reduction Spur Gear Train; Removal, Disassembly, Inspection and Assembly Together with the Rear Wheels
Front Axle and Steering137-144Steering Box, Removal - Disassembly, Inspection - Assembly, Steering Box Adjustment, Front Axle and Steering Wheels (Description, Overhaul, Front Axle Checks)
Hydraulic Lift Unit145-168General, Specifications, Hydraulic Lift, Lift Hydraulics, Mechanics of the Hydraulic Lift Position Control Operation, Mechanics of the Draft Control Operation
Power Take Off - Belt Pulley169-186Power Take-Off, Overhauling, Belt Pulley, Bevel Gear Setting
Electrical System187-209Description and Operation, Charging Circuit and Self-Rectifying Current Generator (Nominal Voltage, Rotation, Statoric Phase Resistance), Starting Circuit and Magnetic Switch Testing, Headlamps and Lighting Circuit Protection, Trouble Location and Remedies with Possible Causes
Appendix - Engine (Models 640, 480, 500, 540)210-276Bosch Injection Pump Calibration, Engine Performance Tests, Fuel System Bleeding, Lubrication Schedules, Engine Specifications
Appendix - Transmission (Models 640, 480, 500, 540)277-312Transmission Ratios, Power Train Attachments, Subsidiary Speed Reduction Unit, Front Wheel Drive, Steering Box Overhaul
Appendix - Electrical System (Models 480, 500, 540)313-340Battery Specifications, Starting Motor Data, Electrical System Wiring, Troubleshooting Charts, Accessory Equipment
Appendix - Hydraulic Lift and Power Steering (Models 500, 540)341-372Hydraulic Lift Unit Specifications, Power Steering Cylinder Installation, Hydraulic Pump Overhaul, Control Valve Adjustments, Troubleshooting

Quick Reference Specifications

SpecificationValuePage
All Models
Fuel priming pump min. output100 liters/hrp. 47
Fuel priming pump pressure head5 mmp. 47
corresponding output with an oil temperature of 50-60°C (122-140°F) and 150 kg/cm² (2133 p.s.i.) pressure21.8 liters/1' (4.8 GPM)p. 146
Output on test bench at 1445 r.p.m. and at pressure 130-140 kg/sq.cm (1849 to 1991 p.s.i.) - new or overhauled pump13.6 lts/min (3 GPM)p. 146
Thickness of P.T.O. and transmission clutch friction discs (Ferodo)8.500 - 8.900 mmp. 173
Spring pressure on brushes (not worn)0.8 to 1.1 kg (1.8 to 2.4 lb)p. 198
Mica undercutting0.8 mm (0.032 in)p. 198
Screw, front wheel26.5 Kgm (191.5 ft.lb)p. 299
Thickness of P.T.O. and transmission clutch friction discs8.580 - 9.400 mmp. 297
640
Engine Oil Capacity (Model 640)10.5 kgp. 82
480
Engine Oil Capacity (Model 480)6.8 kgp. 276
500
Engine Oil Capacity (Model 500)6.8 kgp. 276
BrandFiat
Model480, 480 DT, 500, 500 DT, 540, 540 DT, 640, 640 DT
Machine TypeTractor
Manual TypeService Manual
LanguageEnglish
FormatSearchable PDF (Digital Download)
Pages372
File Size159 MB
Year Range1977
Manual No.603.54.194R
Wiring DiagramsYes
Hydraulic SchematicsYes
Torque SpecificationsYes
Bookmarked / IndexedYes
SKU: FIAT-480480DT500500DT5405-SVC-57C76 Categories: , Tags: , , , , , , , ,

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