Ford New Holland 5640 6640 7740 7840 8240 8340 Tractor Workshop Manual

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This Ford New Holland 5640, 6640, 7740, 7840, 8240 and 8340 Tractor Workshop Manual includes 280 pages of service, repair and maintenance information for Ford New Holland 5640, 6640, 7740, 7840, 8240 and 8340 tractors.

Table of Contents

Adjustment, Brake discs and actuating assembly, Master cylinder, System bleeding

Clutch, Engine
Clutch assembly, R&R, Clutch linkage, Clutch master cylinder, Clutch release bearing, Tractor split

Cooling System
Radiator, Radiator pressure cap and thermostat, Water pump
Diesel Fuel System
Adjustments, Filters and bleeding, Fuel injection pump, Fuel injectors, Fuel tanks, Injection pump drive gear, Troubleshooting

Differential, Main Drive Bevel Gears, Final Drive and Rear Axles
Bevel pinion, Differential and differential lock, Rear axle and final drive, Tractor rear split

Dual Power (16 x 4 Transmission)
Control valve, Dual power unit, Lubrication, Pressure test, Troubleshooting

Electrical System
Alternator and regulator, Instrumentation, Starting motor

Electrical Wiring Diagrams

Engine and Components
Cam followers, Camshaft and bearings, Connecting rods and bearings, Connecting rod and piston units, Crankshaft and main bearings, Crankshaft oil seals, Cylinder head, Engine balancer (5640, 6640, 7740), Engine, R&R, Exhaust valve rotators, Flywheel, Oil pump and relief valve, Oil sump, Piston and rings, Pistons and cylinders, Pistons pins, Rocker arms, Timing gear cover, Timing gears, Turbocharger (7740 and 8340), Valve clearance, Valve guides and springs, Valves, stem seals and seats

Front Axle (Two-Wheel Drive)
Axle center member, pivot pins and bushings, Front support, Spindles, axle extensions and bushings, Tie rod, toe-out and tread adjustment, Wheels and bearings

Front-Wheel Drive
Adjustments, Axle pivot bearings, Bevel pinion gears, Differential, Drive shaft, Front drive axle, Front support, Steering knuckle housing, Transfer gearbox, Wheel hub and planetary (5640, 6640, 7740), Wheel hub and planetary (7840, 8240, 8340)

Hydraulic Lift (Top Link Sensing)
Electronic draft control valve, Hydraulic lift cover, Operation, Troubleshooting

Hydraulic Lift (Top Link Sensing)
External linkage adjustment, Hydraulic lift cover and cylinder r/ Internal linkage adjustment, Lift assist cylinder, Operation, Priority valve pack, Troubleshooting, Unloading valve

Hydraulic System
Hydraulic fluid and filters

Hydraulic System (Closed Center Load Sensing)
Operation, Pressure testing, Pump overhaul, Troubleshooting

Hydraulic System (Open Center)
Engine mounted auxiliary gear pump, Operation, Pressure testing, Transmission mounted tandem gear pump

Hydrostatic Steering
Bleed system, Control valve, Cylinder, Fluid, Pump, System pressure, Troubleshooting

Power Steering
Fluid and bleeding, Power cylinder, Pump, Steering valve, Tests and adjustment, Troubleshooting

Power Take-Off
Operating principles, PTO clutch and control valve (mechanically operated), PTO clutch and control valve (electric solenoid operated) /PTO output shafts and gears, Troubleshooting

Reduction Gearbox

Remote Control Valves
Adjustments, Remote control valve, Remote valve couplers

Transmission (8 x 2 Constant Mesh)
Lubrication, Overhaul, Remove and reinstall

Transmission (16 x 16 Powershift Built Prior to September 1993)
Clutch calibration, Electrical component description, Gearshift cover, Gearshift linkage, Pressure testing, Transmission control valve, Transmission overhaul, Troubleshooting electronic control system, Troubleshooting transmission system

Transmission (16 x 16 “Quad Mod” Powershift Built September 1993 and After)
Clutch fill time calibration, Clutch spring pressure calibration, Gear shift control cables, Pressure testing, Transmission control valve, Transmission overhaul, Troubleshooting electronic control system

Transmission (12 x 12 Synchro-Shift)
Lubrication, Overhaul, Remove and reinstall

Transmission (12 x 12 Synchro-Shift With Dual Power)
Clutch calibration, Dual power unit, Electro-Hydraulic system, Lubrication control valve, Pressure testing, Transmission control valve, Troubleshooting electronic control system

Manual includes wiring diagrams for all models.

Additional information

Weight 1.125 lbs
Dimensions 9 × 7 × 0.4 in


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