Komatsu Wheel Loader WA800-3E0 WA900-3E0 service & repair manual

Description Komatsu Wheel Loader WA800-3E0 WA900-3E0 service & repair manual

Komatsu Wheel Loader WA800-3E0, WA900-3E0 pdf workshop service repair manual + operation & maintenance manual

Serial numbers:
WA800-3E0 70001 and up
WA900-3E0 60001 and up, 60079 and up

Technical data, specifications, maintenance, troubleshooting, electrical wiring diagrams, hydraulic schematics, adjusting, assembly, disassembly, removal, installation instructions and other information

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

Structure and function
Power train system
Damper
Radiator and oil cooler
Transmission hydraulic system diagram
Transmission hydraulic circuit diagram
Torque converter and transmission piping
Torque converter and PTO
Torque converter regulator valve
Transmission
Transmission control valve
Torque converter oil cooler
Transmission oil filter
Transfer
Axle
Differential
Final drive
Steering piping diagram
Steering and switch pump
Steering unit (Orbit-roll valve)
Steering demand valve
Two-way restrictor valve
Stop valve
Diverter valve
Brake piping
Brake circuit diagram
Brake valve
Charge valve
Accumulator (for brake)
Slack adjuster
Brake
Parking brake
Spring cylinder
Parking brake solenoid valve
Hydraulic piping
Hydraulic circuit diagram
Main piston pump
ES valve
Servo valve
Pressure differential valve
PPC valve (Proportional Pressure Valve)
PPC relief valve
Accumulator (for PPC valve)
Main control valve
Lubrication of work equipment
Work equipment linkage
Bucket positioner and boom kick-out
Operation of proximity switch
Air conditioner
Electric circuit diagram
Machine monitor system
Main monitor
Maintenance monitor
Automatic transmission system (ATM)
Joystick steering system
AJSS (Advanced Joystick Steering System)
Transmission and joystick controller
Engine starting circuit
Engine stop circuit
Auto priming system (APS)
Preheating circuit
Fuel system
Electrical transmission control
Kick-down, hold switch
Kick-down electrical circuit
Electric parking brake control
Electric circuit diagram of active power
VHMS controller
Blow-by pressure sensor
Engine oil temperature sensor
Exhaust temperature sensor/amp
Ambient temperature sensor
Transmission pump oil pressure sensor
Brake oil temperature sensor
Hydraulic oil temperature sensor
Brake oil pressure sensor
Steering oil pressure sensor
Work equipment pump oil pressure sensor
Communications (ORB: Orbcomm) controller/antenna

Testing and adjusting
Standard value table
Standard value table for engine
Standard value table for chassis
Standard value table for electrical parts

Troubleshooting

DISASSEMBLY AND ASSEMBLY
PRECAUTIONS WHEN CARRYING OUT
SPECIAL TOOLS LIST
SKETCHES OF SPECIAL TOOLS
STARTING MOTOR

Maintenance standard
Engine and transmission mount
Damper
Torque converter and PTO
Torque converter regulator valve
Transmission
Transmission control valve
Transfer
Drive shaft
Center support
Differential
Final drive
Axle mount
Center hinge pin
Steering column
Steering demand valve
Diverter valve
Steering cylinder mount
Emergency steering pump
Brake valve
Slack adjuster
Brake
Parking brake
Control pump
Steering and switch pump
Main piston pump
Main control valve
PPC valve
PPC relief valve
Hydraulic cylinder
Work equipment linkage
Bucket
Bucket positioner and boom kick-out

Hydraulic diagrams and drawings
Electrical diagrams and drawings

Engine SAA12V140E-3 workshop service repair manual