Komatsu Wheel Loader WA400-5 WA400-5H service & repair manual

Description Komatsu Wheel Loader WA400-5 WA400-5H service & repair manual

Komatsu Wheel Loader WA400-5, WA400-5H pdf workshop service repair manual + operation & maintenance manual

Serial number 70001 and up, 50051 and up

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

STRUCTURE AND FUNCTION, MAINTENANCE STANDARD
Cooling system
Engine mount, transmission mount
Power train
Power train system diagram
Drive shaft (propeller shaft)
Torque converter, transmission piping
Torque converter
Transmission
Transmission control valve
Axle
Differential
Final drive
Axle mounting, center hinge pin
Steering piping
Steering column, orbit-roll
Steering valve
Orbit-roll valve
Stop valve
Steering pump, switch pump
Emergency steering pump  
Emergency steering motor
Steering cylinder
Joystick steering lever
Steering lever
Steering switch valve
Brake piping
Brake valve
Charge valve
Accumulator (for brake)
Brake
Parking brake control
Parking brake
Parking brake solenoid valve
Parking brake emergency release valve
Hydraulic piping
Work equipment control lever
Hydraulic tank
Torque converter charging, work equipment, and pilot control pumps
PPC relief valve
ECSS valve
Work equipment control valve
work equipment ppc valve
PPC Valve (for multi function mono lever)
EPC solenoid valve
Shut off valve
Attachment ppc valve
Cooling fan motor
Cooling fan motor drive pump
Work equipment linkage
Bucket
Bucket positioner, lift arm kick-out
Work equipment cylinder
Cab
Air conditioner
Machine monitoring system machine monitor
Transmission control system
Transmission controller
Joy stick steering control system
Work equipment controller
Electric transmission control
Kick down, hold switch
Engine starting circuit
Engine stop circuit
Preheating circuit
Engine power mode selector circuit
Parking brake circuit
Sensors

TESTING AND ADJUSTING
Standard value table
Standard value table for engine
Standard value table for chassis

Troubleshooting

DISASSEMBLY AND ASSEMBLY
Precautions When Carrying Out Operation
Special tool list
Removal and Installation of Engine Assembly
Removal and Installation of Cylinder Head Assembly
Removal and Installation of Radiator and Fan Motor Assembly
Removal and Installation of Aftercooler Assembly
Removal and Installation of Fuel Injection Pump
Removal and Installation of Nozzle Holder Assembly
Removal and Installation of Fan and Fan Motor Assembly
Removal and Installation of Fuel Tank Assembly
Removal and Installation of Parking Brake Disc Plate
Removal and Installation of Torque Converter and Transmission Assembly
Disassembly and Assembly of Transmission Assembly
Disassembly and Assembly of Transmission Clutch Pack Assembly
Disassembly and Assembly of Parking Brake Assembly
Disassembly and Assembly of Torque Converter Assembly (Standard Specification)
Disassembly and Assembly of Torque Converter Assembly (Lock-Up Specification)
Removal and Installation of Rear Axle Assembly
Removal and Installation of Front Axle Assembly
Disassembly and Assembly of Axle Housing Assembly
Disassembly and Assembly of Differential Assembly
Removal and Installation of Center Hinge Pin
Removal and Installation of Cab Assembly
Removal and Installation of Cab and Floor Frame Assembly
Removal and installation of operator's cab glass (Stuck glass)
Removal and Installation of Transmission, Work Equipment, and PPC Pump Assembly
Removal and Installation of Steering, Switching, and Fan Pump Assembly
Removal and Installation of Steering Demand Valve Assembly
Removal and Installation of Travel Dumper Valve Assembly
Removal and Installation of Work Equipment Valve Assembly
Disassembly and Assembly of Hydraulic Cylinder Assembly (Steering, Lift, and Bucket Cylinder Assembly)
Removal and Installation of Hydraulic Tank Assembly
Removal and Installation of Work Equipment Assembly
Removal and Installation of Counter Weight
Removal and Installation of Air Conditioner Unit Assembly
Removal and Installation of Air Conditioner Compressor Assembly
Disassembly, Assembly of Operators Seat Assembly

OTHERS
Power train oil circuit diagram (without torque converter lockup clutch)
Power train oil circuit diagram (with torque converter lockup clutch)
Brake oil circuit diagram
Work equipment hydraulic circuit diagram
Electrical circuit diagram

Engine SAA6D114E-2 workshop service repair manual