Description
This 116 page John Deere 670 770 870 970 1070 Diesel Tractor Shop Manual provides detailed service information, step-by-step repair instruction and maintenance specifications for John Deere 670, 770, 870, 970 and 1070 diesel tractors.
Table of Contents
Cooling System
Radiator, Thermostat, Water pump
Clutch
Clutch assembly, single stage clutch, Clutch assembly, dual stage clutch, Clutch linkage adjustment, Clutch shaft and release bearing, Clutch split
Diesel Fuel System
Fuel filters and lines, Governor and injection pump camshaft (670 model), Injection pump, Injector nozzles, Preheater/glow plugs
Differential
Differential and bevel gears, Differential lock
Electrical System
Alternator and regulator, Circuit description, Safety switches, Starter
Engine (Model 670)
Cam followers, Camshaft, Connecting rod and bearings, Crankshaft and main bearings, Crankshaft front oil seal, Crankshaft rear oil seal, Cylinder head, Â Flywheel, Maintenance, Oil sump, Oil pump and pressure relief valve, Piston, rings and cylinder, Piston pins, R&R engine assembly, Rocker arms and push rods, Rod and piston units, Timing gear cover, Timing gear housing, Timing gears, Valve clearance, Valve springs, Valves, guides and seats
Engine (770, 870, 970 and 1070)
Cam followers, Camshaft, Connecting rod and bearings, Crankshaft and main bearings, Crankshaft front oil seal, Crankshaft rear oil seal, Cylinder head, Engine balancer (970 and 1070 models), Flywheel, Maintenance, Oil sump, Oil pump and pressure relief valve, Piston, rings and cylinder, Piston pins, R&R engine assembly, Rocker arms and push rods, Rod and piston units, Timing gear cover, Timing gear housing, Timing gears, Valve clearance, Valve springs, Valves, guides and seats
Four-Wheel Drive Front Axle System (670 and 770 models)
Differential and input bevel gears, Front axle assembly and steering linkage, Front drive spindle, Front final drive, Front-wheel drive gear case, Maintenance
Four-Wheel Drive Front Axle System (870 model)
Differential, Differential input, Front axle assembly and steering linkage, Front final drive and spindle, Front-wheel drive gear case, Maintenance
Four-Wheel Drive Front Axle System (970 and 1070 models)
Differential, Differential input, Front axle assembly and steering linkage, Front final drive and spindle, Front-wheel drive gear case, Maintenance, Outer drive axle and reduction
Hydraulic Lift System
Fluid and filters, Hydraulic pump, Rockshaft and housing, Tests and adjustments
Manual Steering System
with manual steering
Power Steering System
Filter and bleeding, Power cylinder, Pump, Steering control valve, System pressure and flow, Troubleshooting
Power Take-Off
Mid PTO, Rear PTO
Rear Axle, Final Drive and Brakes
Brakes, Rear axle and final drive
Transmission (670 and 770 models)
Lubrication, Overhaul, Remove and reinstall
Transmission (870, 970 and 1070 models)
Front-wheel drive gears, Lubrication, Main transmission, Range transmission, Transmission split
Two-Wheel Drive Front Axle System
Front-axle assembly and steering linkage
Manual includes wiring diagrams for all models.