Komatsu Wheel Loader WA115-3 service & repair manual

Description Komatsu Wheel Loader WA115-3 service & repair manual

Komatsu Wheel Loader WA115-3 pdf workshop service & repair manual

Serial number WA115H30051 and up

MANUAL CONTENT:
GENERAL
Specifications
Dimensions, weights and operating data
Weight table
Lubricants and operating mediums
Basic procedures of maintenance
Oil
Fuel
Coolant
Grease
Storing oil and fuel
Filters
Biodegradable hydraulic oils and lubricants
Outline of electric system
Torque list   screws and nuts

STRUCTURE AND FUNCTION
Variable displacement pump
Regulating valve
Charge pressure limiting valve
Control cylinder
4/3 Way valve with direction control solenoids
Pressure cut-off valve
Safety-/charge valve
Towing
Variable displacement motor
Drive shaft
Axle mounting   front and rear axle
Front axle
Limited slip differential (locking value 45%), front and rear axle
Wheel hub, front and rear axle
Service and parking brake, rear axle
Steering scheme
Priority valve
Orbit-roll-valve
Steering relief valve
PPC-Valve
Operation of PPC-valve
Servo pressure regulating valve
Control circuit for tilt-in/tilt-out (cross section)
Pressure regulating valve
Shock-anticavitation valve
Anticavitation valve
Lift cylinder
Dump cylinder
Steering cylinder
Lifting with quick-coupler
Bucket positioner
Function
Operation of proximity switch
Adjusting the bucket positioner
Monitor display
Sensors
Engine oil pressure sensor
Fuel level sensor
Engine coolant temperature sensor
Brake oil reservoir sensor
Ribbon heater temperature sender unit
Ribbon heater
Engine stop/start/preheating circuit
Driver’s cab
Fuses (1)
Relais (2)
Wiring diagrams
Air conditioner (option)
Introduction
Function
Installation of air conditioner
Safety when handling coolants
Operating the air conditioner
Maintenance of the air conditioner
Instructions for filling
Exchange of magnetic clutch
Exchange of compressor
Troubleshooting

TESTING AND ADJUSTING
Standard value table for engine
Standard value table for chassis
Standard value table for electrical parts
Test certificate
Valve clearance, testing and adjusting
Engine compression test
Injection nozzle pressure
Fuel injection timing
Fan belt
Engine RPM
RPM-dependant drive take-up
Engine stall torque RPM
Engine stall torque RPM, test with the hydrostatic drive
Engine stall torque RPM, test with the hydrostatic drive and working hydraulics
Feed pump and servo oil pressure
Hydraulic pressure cut-off
Working hydraulic pressure
Steering oil pressure
Operating time for steering wheel
Operating force of steering wheel
Brake
Brake disc, wear test
Brake disc clearance
Bleeding the brake system
Inch valve   basic adjustment
Brake efficiency
Measuring the stopping distance
Parking brake efficiency
Travel speed

APPENDIX
Wiring diagram

Engine S4D106 series workshop service repair manual