Komatsu Wheel Loader WA50-3 Avance service & repair manual

Description Komatsu Wheel Loader WA50-3 Avance service & repair manual

Komatsu Wheel Loader WA50-3 Avance pdf workshop service repair manual + operation & maintenance manual

Serial number 21450 and up

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

STRUCTURE AND FUNCTION
Power train
Power train system
Radiator oil cooler
HST piping
HST hydraulic circuit diagram
Main piston pump
High-pressure relief valve
Low-pressure relief valve.
Work equipment l steering pump,HST charge pump
Charge pump oil filter
Speed related valve (DA valve)
Piston motor
Directional shuttle valve
Servo valve
Inching valve
Transfer
HST control
Axle
Differential
Final drive
Axle mount
Center hinge pin
Tire wheel
Steering piping
Steering column
Priority valve
Brake, parking brake control
Brake (also used as parking brake)
Work equipment piping
Work equipment hydraulic system diagram
Work equipment hydraulic circuit diagram
Work equipment lever linkage
Hydraulic tank
Hydraulic filter
Main control valve
Work equipment linkage
Bucket
Bucket positioner
Proximity switch
ROPS canopy
Central panel (cluster gauge)
Engine start circuit
Engine stop circuit
Preheating circuit
Parking brake circuit

TESTING AND ADJUSTING
Standard value table for engine
Standard value table for chassis
Table of tools for testing, adjusting, and troubleshooting
Adjusting valve clearance
Measuring compression pressure
Testing and adjusting fuel injection timing
Bleeding air from fuel circuit
Testing and adjusting fan belt tension
Testing for abnormality in fuel level sensor
Measuring accelerator pedal
Measuring operating effort, travel of directional lever
Measuring stall speed
Measuring HST oil pressure
Testing and adjusting steering wheel
Measuring operating timebfor steering wheel
Measuring steering pressure
Testing and adjusting brake pedal
Measuring operating effort, travel of brake pedal
Measuring brake performance
Measuring parking brake performance
Measuring brake disk wear
Testing and adjusting inching valve linkage
Measuring and adjusting work equipment control lever
Measuring travel of main control valve spool
Measuring work equipment pressure
Testing and adjusting bucket positioner
TROUBLESHOOTING

DISASSEMBLY AND ASSEMBLY
STARTING MOTOR
ALTERNATOR
FUEL INJECTION PUMP
WATER PUMP
NOZZLE HOLDER
CYLINDER HEAD
ENGINE
RADIATOR
FUEL TANK
MAIN PISTON PUMP
PISTON MOTOR
ENGINE AND TRANSFER
TRANSFER
DRIVE SHAFT
FRONT AXLE
REAR AXLE
DIFFERENTIALS
AXLE HOUSINGS
CENTER HINGE PIN
STEERING VALVE
STEERING VALVE AND RELIEF VALVE
HOUSING SIDE
STEERING CYLINDER
PARKING BRAKE
HYDRAULIC TANK
WORK EQUIPMENT VALVE
BUCKET CYLINDER
BOOM CYLINDER
HYDRAULIC CYLINDER
WORK EQUIPMENT
COUNTERWEIGHT
INSTRUMENTS PANEL

MAINTENANCE STANDARD
Transmission l engine mount
Work equipment l steering pump
HST charge pump
Transfer
HST inching valve
Drive shaft
Differential
Final drive
Axle mount
Center hinge pin
Steering column
Priority valve
Steering cylinder mount
Brake
Hydraulic cylinder
Work equipment linkage
Bucket
Bucket positioner

OTHERS
Electric circuit diagram

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