Komatsu Bulldozer D275A-2 service & repair manual

Description Komatsu Bulldozer D275A-2 service & repair manual

Komatsu Bulldozer D275A-2 pdf workshop service repair manual + operation & maintenance manual

Serial number 10001 and up

SERVICE MANUAL CONTENT:
GENERAL
General assembly drawing
Specifications
Weight table
List of lubricant and water

STRUCTURE AND FUNCTION
General
Power train
Power train unit
Power train unit mount
Power train piping
Power train hydraulic circuit diagram
Damper and universal joint
Torque converter PTO
Torque converter valve
Transmission
Transmission control
Transmission control valve
Transmission lubrication relief valve
Scavenging pump
Oil strainer
Power train oil filter and lubrication oil filter
Steering unit
Transfer, bevel pinion
Bevel gear, steering clutch and steering brake
Steering control
Steering control valve
Final drive
Main frame
Track group
Recoil spring
Suspension
Hydraulic piping
Blade
Variable multiple shank ripper
Variable giant ripper
Hydraulic control
Blade control
Blade control (for dual tilt dozer)
Ripper control
Hydraulic circuit system
Hydraulic circuit diagram
Hydraulic tank
Blade lift control valve
Blade tilt control and ripper low valve
Ripper high valve
Ripper tilt suction valve
Piston valve
Quick drop valve
Cylinder stay
Semi U-dozer
Ripper
Variable multiple shank ripper
Variable giant ripper
Pin-puller solenoid valve
Electrical circuit diagram
Chassis electrical circuit diagram
Cab electrical circuit diagram
Air conditioner electrical circuit diagram
EVMS (Electrical vehicle monitoring system)
APS control system
Torque converter lock-up control system
For SSC system
Machine monitor system (with SSC system)
Model selection system
Engine control system
ELPC controller
ELPC actuator
Torque converter lock-up control system

TESTING AND ADJUSTING
Standard value table for engine
Standard value table for chassis
Standard value table for electrical judgement
Table of tools for testing, adjusting and troubleshooting
Testing and adjusting belt tension
Adjusting valve clearance
Measuring compression pressure
Measuring blow-by
Adjusting fuel injection timing
Measuring exhaust color
Measuring engine oil pressure
Measuring engine speed
Measuring boost pressure
Measuring exhaust temperature
Adjusting of fuel control linkage
Adjusting of fuel control linkage (with SSC system)
Adjusting of gear shift lever linkage
Adjusting of steering clutch linkage
Adjusting of brake pedal linkage
Adjusting of work equipment control linkage
Adjusting clearance of idler
Measuring speed at torque converter stall
Measuring speed at torque converter stall + hydraulic pump relief
Measuring power train oil pressure
Testing and adjusting work equipment main relief pressure
Bleeding air from hydraulic cylinder
Measuring linkage inside cylinder
Checking location of cause of hydraulic drift of blade and ripper
Procedure for simple test of steering brake performance
Procedure for testing sensor
Testing and adjusting ELPC valve potentiometer (with SSC system)
Troubleshooting

DISASSEMBLY AND ASSEMBLY
Precautions when carrying out operation
STARTING MOTOR
ALTERNATOR
ENGINE OIL COOLER
TORQUE CONVERTER OIL COOLER
FUEL INJECTION PUMP
WATER PUMP
TURBOCHARGER
NOZZLE HOLDER
CYLINDER HEAD
FUEL TANK
RADIATOR AND FRONT GUARD
RADIATOR
RADIATOR GUARD
ENGINE
DAMPER
POWER TRAIN UNIT
PTO, TORQUE CONVERTER
TORQUE CONVERTER
PTO
TORQFLOW TRANSMISSION
STEERING CASE
STEERING CLUTCH, BRAKE
TRANSFER GEAR HOUSING
TORQUE CONVERTER VALVE
TRANSMISSION CONTROL VALVE

MAINTENANCE STANDARD
Engine mount
Power train mount
Damper and universal joint
Torque converter
Torque converter valve
Transmission
Transmission control valve
Power train and lubricating pump
Transfer and bevel pinion
Bevel gear shaft, steering clutch and steering brake
Steering control valve
Final drive
Main frame
Track frame
Recoil spring
Idler
Track roller
Carrier roller
Track
Suspension
Hydraulic pump
Blade lift control valve
Main relief valve and shuttle valve
Blade tilt control and ripper low valve
Ripper high valve
Hydraulic cylinder
Blade lift cylinder
Blade tilt cylinder
Ripper lift cylinder
Ripper tilt cylinder
Dual tilt cylinder
Pin puller cylinder
Quick drop valve
Cylinder stay
Semi U-dozer
Cutting edge and end bit
Ripper
Variable multiple shank ripper
Variable giant ripper

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