Komatsu Wheel Loader WA1200-6 service & repair manual

Description Komatsu Wheel Loader WA1200-6 service & repair manual

Komatsu Wheel Loader WA1200-6 pdf workshop service repair manual + operation & maintenance manual

Serial numbers:
60001 and up
60004 and up
70001 and up

Specifications, testing, troubleshooting, maintenance, technical documentation, electrical diagrams, hydraulic schematics, adjusting, assembly, disassembly, removal, installation instructions and other information

MANUAL CONTENT:
Specification
Specification dimension drawing
Weight table
Table of fuel, coolant and lubricants

Structure and function
Engine and cooling system
Cooling system
Cooling fan motor
Power train
Hydraulic piping drawing of torque converter and transmission
Torque converter
Main relief valve and torque converter relief valve
Torque converter regulator valve
ECMV
Transmission
Transmission control valve
Transmission lubricating oil relief valve
Transfer
Torque converter oil cooler
Center support
Axle
Final drive
Steering system
Steering equipment layout drawing
AJSS
Steering pump
Switch pump
Steering demand valve
Rotary valve
EPC valve (for steering)
Diverter valve
Emergency steering relief valve
Steering lock valve
Brake system
Brake equipment layout drawing
Brake valve
Charge valve
Accumulator (for brake)
Slack adjuster
Brake
Parking brake
Parking brake solenoid valve
Emergency parking brake release valve
Check valve of parking brake circuit
Undercarriage and frame
Axle mount
Center hinge pin
Jack-up point
Hydraulic system
Hydraulic piping layout drawing
Work equipment control lever linkage
Hydraulic tank

Standard value table for engine
Standard value table for chassis

Testing and adjusting
Tools for testing, adjusting, and troubleshooting
Safety precautions to follow before starting work
Engine and cooling system
Testing engine speed
Testing exhaust gas color
Testing blow-by pressure
Measuring engine oil pressure
Measuring exhaust gas temperature
Testing intake air pressure (boost pressure)
Testing radiator performance
Measuring wind speed across radiator and oil cooler
Testing and adjusting fan belt tension
Testing and adjusting air conditioner compressor belt tension
Power train
Adjusting speed sensor
Testing and adjusting torque converter and transmission oil pressure
Traction control function checking procedure
Testing torque converter oil cooler performance
Testing additional cooler fan speed
Flushing procedure for torque converter and transmission circuit
Retrieval of disabled machine due to transmission valve failure
How to measure play of center hinge bearing
Measuring wear of rear axle support
Steering system
Testing and adjusting steering oil pressure
Bleeding air from steering circuit
Testing and adjusting steering stopper bolt
Adjusting steering follow-up linkage
Testing steering EPC valve
Testing and adjusting steering surge cut valve oil pressure
Testing and adjusting steering main relief valve oil pressure
Testing rotary valve output pressure
Brake system
Testing brake performance
Testing lowering of wheel brake oil pressure
Testing of slack adjuster
Mesuring wear of wheel brake disc
Testing and adjusting accumulator charge pressure
Testing brake accumulator oil pressure leakage
Testing emergency parking brake valve oil leakage amount
Testing brake valve oil leakage amount
Testing brake cooling oil pressure
Testing brake oil cooler performance
Testing parking brake performance
Testing wear of parking brake disc
Method of releasing parking brake manually
Testing parking brake oil pressure

Troubleshooting
General information on troubleshooting
Symptom and troubleshooting numbers
Sequence of events in troubleshooting
Check before troubleshooting
Classification and procedures of troubleshooting
Breakage of hydraulic cylinder
Failure codes table
Symptom and troubleshooting numbers
Information in troubleshooting table
Troubleshooting method for open circuit in wiring harness of pressure sensor system
Layout drawing of connector pins
Connector list and layout
T- branch box and T- branch adapter table
Table of fuse locations
Troubleshooting by failure code

Disassembly and assembly
General information on disassembly and assembly
Coating materials list
Special tool list
Sketches of special tools
Flushing procedure
Flushing procedure for brake circuit
Flushing procedure for work equipment and steering circuit
Air bleeding procedure

Maintenance standard
Engine and cooling system
Engine mount
Cooling system
Cooling fan motor
Damper
Power train
Transmission mount
Torque converter
Main relief valve, torque converter relief valve
Torque converter regulator valve
ECMV
Transmission
Transmission control valve
Lubrication relief valve
Transfer
Torque converter pump, transmission pump, brake cooling pump, brake pump
Drive shaft
Center support
Differential
Final drive
Steering system
Steering pump
Switch pump
Steering demand valve
Diverter valve
Steering cylinder mount
Steering cylinder
Emergency steering pump
Brake system
Brake valve
Slack adjuster
Brake
Parking brake
Undercarriage and frame axle mount
Center hinge pin
Hydraulic system
No.1 work equipment pump
No.2 work equipment pump
PPC relief valve
Pump control relief valve
Work equipment control valve
Work equipment
Work equipment linkage
Bucket positioner, remote positioner
Work equipment cylinder
Electrical system
Work equipment control lever

Air conditioner
Precautions for refrigerant
Configuration and function of refrigeration cycle
Outline of refrigeration cycle
Control system
Air conditioner components
Compressor
Electric fan and condenser
Receiver drier
Service tools
Troubleshooting procedures
Interview and confirmation of failure symptom
Basic checks
Troubleshooting
Checking of refrigeration cycle
Troubleshooting for unusual noise
Electrical system
Parts replacement
Periodic inspection and maintenance
Testing and adjusting compressor belt tension

Diagrams and drawings
Hydraulic circuit diagram
Circuit symbols used in hydraulic circuit diagrams
Transmission hydraulic circuit diagram
Brake hydraulic circuit diagram
Work equipment hydraulic circuit diagram
Circuit symbols used in electrical circuit diagrams
Electrical circuit diagram