Komatsu WA800-3 work shop manual

Komatsu WA800-3 work shop manual

Komatsu WA800-3 work shop manual. This is a factory work shop manual, 1224 pages.

Komatsu WA800-3 Wheel Loader—50001 and up

Service Repair Manual Covers:
Forward and safety
General
General assembly drawing…. .Ol-2
Specifications ………….. 01-3
Weight table ……………. 01-6
List of lubricant and water. 01-8

Structure and Function
Power train ………………10- 2
Power train system ………..10- 3
Engine control ……………10- 4
Servo cylinder ……………10- 5
Radiator and cooler ……….10- 9
Damper……………………10-10
Torque converter and transmission piping …..10-11
Transmission hydraulic diagram ……………10-12
Transmission hydraulic
circuit diagram …………………………10-13
Torque converter ………………………..10-14
Transmission ……………………………10-19
Transfer ……………………………….10-27
Transmission control valve ……………….10-28
Torque convertor oil cooler ………………10-46
Drive shaft …………………………….10-47
Center support ………………………….10-48
Axle……………………………………10-49
Final drive …………………………….10-54
Axle mount ……………………………..10-56
Center hinge pin…………………………10-58
Tire and wheel…………………………..10-59
Steering piping diagram ………………….10-60
Steering column …………………………10-61
Joystick linkage ………………………..10-61-1
Steering pump……………………………10-62
Switch pump …………………………….10-64
Steering demand valve ……………………10-66
Steering unit (Orbit-roll valve) ………….10-77
Proportional solenoid valve ………………10-79-1
EPC valve ………………………………10-79-2
Rotary valve ……………………………10-79-3
Tow-way restrictor valve …………………10-80
Diverter valve ………………………….10-81
Brake piping ……………………………10-86
Brake circuit diagram…………………….10-88
Brake valve …………………………….10-90
Charge valve ……………………………10- 95
Accumulator (for brake) ………………….10- 99
Slack adjuster ………………………….10-100
Brake ………………………………….10-103
Parking brake …………………………..10-104
Spring cylinder …………………………10-106
Parking brake solenoid valve ……………..10-107
Hydraulic piping ………………………..10-108
Work equipment hydraulic circuit diagram .. ..10-112
Work equipment lever linkage ……………..10-115
Hydraulic tank ………………………….10-116
Main piston pump…………………………10-119
ES valve ……………………………….10-127
Servo valve …………………………….10-129
PPC valve ………………………………10-132
PPC relief valve ………………………..10-136
Accumulator (for PPC valve) ………………10-137
Work equipment control lever ………….. 10-37-1
Work equipment EPC valve ……………… ..10-137-4
Work equipment neutral lock
solenoid valve ………………………….10-137-7
Main control valve ………………………10-138
Lubrication of work equipment …………….10-152
Work equipment linkage …………………..10-154
Bucket positioner and boom kick-out ……….10-156
Operation of proximity switch …………….10-158
Cab…………………………………….10-162
ROPS canopy …………………………….10-163
Air conditioner …………………………10-164
Electric circuit diagram …………………10-167
Machine monitor system……………………10-168
Main monitor ……………………………10-170
Maintenance monitor………………………10-176
Multi monitor system (if equipped) ……… .10-177-1
Work equipment control system ……… ……10-177-23
Work equipment controller………………. .10-177-29
Engine starting circuit ………………….10-178
Engine stop circuit ……………………..10-179
Preheating circuit ………………………10-180
Electric transmission control……………..10-181
Kick-down, hold switch …………………..10-184
Joystick steering system …………………10-184-1
AJSS (Advanced joystick
steering system) ………………………..10-184-6
Electric parking brake control ……………10-185

Testing and Adjusting
Standard value table
Standard value table for engine………….. 20- 2
Standard value table for chassis.. ………..20- 3
Standard value table for electrical parts ….20- 9
Testing and adjusting ……………………20-101
Trouble shooting…………………………20-201

Disassembly and Assembly..30-172 ………….30-268
Maintenance Standard……40-2…………….40-56
Others Electric circuit diagrams…90-3…….90-35
And More……

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