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David Brown 1200 - User Manual

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Summary

CONDENSED SERVICE DATA

TUNE-UP

Procedures and specifications for engine tune-up.

FRONT AXLE

STEERING GEAR

REMOVE AND REINSTALL

Step-by-step instructions for removing and reinstalling the steering gear assembly.

OVERHAUL STEERING GEAR

Detailed procedures for overhauling the steering gear components.

POWER STEERING

R&R PUMP

OVERHAUL PUMP

R&R STEERING CYLINDER

OVERHAUL STEERING CYLINDER

Detailed instructions for overhauling the steering cylinder assembly.

ENGINE

R&R ENGINE ASSEMBLY

Step-by-step instructions for removing and installing the engine assembly.

R&R CYLINDER HEAD

VALVE GAP ADJUSTMENT

R&R TIMING GEAR COVER

TIMING GEARS

CAMSHAFT AND BEARINGS

CONNECTING ROD AND PISTON ASSEMBLIES

CONNECTING RODS AND BEARINGS

Procedures for removing and installing connecting rod bearings.

PISTONS AND PISTON RINGS

Information on pistons, rings, and their specifications.

CRANKSHAFT AND MAIN BEARINGS

CRANKSHAFT OIL SEALS

OIL PUMP AND RELIEF VALVE

GASOLINE FUEL SYSTEM

FUEL PUMP

Procedures for removing, installing, and overhauling the fuel pump.

DIESEL FUEL SYSTEM

TROUBLESHOOTING

All Diesel Models

Troubleshooting guide for common diesel engine problems.

BLEEDING FUEL SYSTEM

FUEL INJECTION PUMP

Model 990 with 4;49 Engine (Pump Mounted on Engine Front Plate)

R&R FUEL INJECTION PUMP

Procedures for removing and reinstalling the fuel injection pump.

DIESEL GOVERNOR ADJUSTMENTS

FUEL INJECTORS

LOCATING A FAULTY NOZZLE

Method for identifying a defective injector.

REMOVE AND INSTALL INJECTORS

Procedures for removing and installing fuel injectors.

NOZZLE TESTING

Steps for testing fuel injector spray pattern, opening pressure, and seat leakage.

NOZZLE TESTING

SPRAY PATTERN

Procedure for checking and adjusting the fuel injector spray pattern.

SEAT LEAKAGE

Procedure for testing fuel injector seat leakage.

NOZZLE LEAK BACK

Procedure for testing fuel injector leak-back rate.

OVERHAUL

Detailed procedures for overhauling fuel injectors.

NON-DIESEL GOVERNOR

R&R AND OVERHAUL

Steps for removing, installing, and overhauling the governor.

COOLING SYSTEM

WATER PUMP

ELECTRICAL SYSTEM

IGNITION DISTRIBUTOR AND TIMING

Procedures for setting ignition timing and servicing the distributor.

SINGLE DISC CLUTCH

R&R CLUTCH

CLUTCH OVERHAUL

Models 770, 880 and 990

Clutch overhaul specific to Models 770, 880, and 990.

DUAL LIVEDRIVE CLUTCH

ADJUSTMENT

Adjusting the dual clutch pedal free play.

OVERHAUL

CLUTCH SHAFT BRAKE

Brake Band And Drum Type

Information on the brake band and drum type clutch brake.

TRANSMISSION

SHIFT LEVERS, RAILS & FORKS

Details on the transmission shift lever assemblies, rails, and forks.

R&R TRANSMISSION COVER

Procedures for removing and reinstalling the transmission cover.

R&R TRANSMISSION FROM REAR

Procedures for removing the transmission by splitting the tractor from the rear.

OVERHAUL TRANSMISSION

MAIN DRIVE BEVEL GEARS AND DIFFERENTIAL

R&R DIFFERENTIAL ASSEMBLY

Procedures for removing and reinstalling the differential assembly.

ADJUST PINION MESH POSITION

Steps for adjusting the pinion mesh position for proper gear engagement.

ADJUST DIFFERENTIAL CARRIER BEARINGS AND BEVEL GEAR BACKLASH

Procedures for adjusting differential carrier bearings and bevel gear backlash.

OVERHAUL DIFFERENTIAL ASSEMBLY

DIFFERENTIAL LOCK

FINAL DRIVE

R&R FINAL DRIVE ASSEMBLIES

WHEEL AXLE SHAFT, AXLE GEAR, BEARINGS & SEALS

BRAKES

ADJUSTMENT

Procedures for adjusting brake pedals and brake operation.

PTO

R&R POWER TAKE-OFF ASSEMBLY

OUTPUT SHAFT OIL SEAL

OVERHAUL PTO ASSEMBLY

HYDRAULIC FLUID

HYDRAULIC SYSTEM OPERATING PRINCIPLES

DEPTH (DRAFT) CONTROL

Explanation of the depth or draft control operation.

HEIGHT (POSITION) CONTROL

Explanation of the height or position control operation.

TRACTION CONTROL (T.C.U.)

Explanation of the Traction Control (T.C.U.) system.

TRACTION CONTROL (T.C.U.)

SYSTEM CHECKS AND ADJUSTMENTS

ADJUST CONTROL VALVE ASSEMBLY

Procedures for adjusting the control valve assembly.

HYDRAULIC PRESSURE CHECK

Procedures for checking hydraulic system pressure.

BLEED HYDRAULIC SYSTEM

TROUBLE SHOOTING

R&R AND OVERHAUL PUMP

R&R AND OVERHAUL CONTROL MECHANISM

OVERHAUL CONTROL VALVE ASSEMBLY

CONTROL VALVE

ROCKSHAFT AND RAM CYLINDER

AUTOMATIC HOLD MECHANISM

DRAFT SENSING TOP LINK ASSEMBLY

David Brown 1200 Specifications

General IconGeneral
BrandDavid Brown
Model1200
CategoryTractor
LanguageEnglish

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