Komatsu WA115-3 Wheel Loader Shop Manual (WA115H30051 and up) – VEBM120100

This Complete Service Repair Workshop Manual PDF Download for the Komatsu WA115-3 Wheel Loader (SN: WA115H30051 and up) has easy to read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding costly mistakes. All specifications and tolerances are listed. Functions of components and systems are also explained.

APPLICABLE MODELS :

Komatsu WA115-3 Wheel Loader
Serial Numbers : WA115H30051 and up

TABLE OF CONTENTS :

– SAFETY
– GENERAL
– STRUCTURE AND FUNCTION
– TESTING AND ADJUSTING
– DISASSEMBLY AND ASSEMBLY –
– APPENDIX

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Bookmarked : Yes
Searchable : Yes
Printable : Yes
Product Code : VEBM120100
Total Pages : 174

This manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

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This page sometime can be found use following keyword : service manual, repair manual, workshop manual, technical manual, owner manual, operating manual, maintenance manual, parts manual. Please make sure you read and understand the title of this manual before decided to buy.

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CONTENTS
00 SAFETY
Safety notice
Preparations for work
Precautions during work
Foreword
How to read the shop manual
Volumes
Distribution and updating
Filing method
Symbols
Hoisting instructions

01 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

10 STRUCTURE AND FUNCTION
Powertrain – 20 km/h
Powertrain – 35 km/h
Closed circuit
Hydraulic drive system – 20 km/h
Hydraulic drive system – 35 km/h
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
Rear axle with distributor box – 20 km/h
Rear axle with distributor box – 35 km/h
Distributor box, single stage – 20 km/h
Distributor box, double stage – 35 km/h
Limited slip differential (locking value 45%), front and rear axle
Wheel hub, front and rear axle
Service and parking brake, rear axle
Sevice brake scheme – 20 km/h
Sevice brake scheme – 35 km/h
Parking brake scheme – 20 km/h
Parking brake scheme – 35 km/h
Inch-brake pedal – 20 km/h
Inch-brake pedal – 35 km/h
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
Wiring diagram – Fig. 1
Wiring diagram – Fig. 2
Wiring diagram – Fig. 3
Wiring diagram – Fig. 4
Wiring diagram – Fig. 5
Air conditioner (option)
Introduction
Function
The coolant circuit
The condenser
The vaporizer
The filter dryer
Installation of air conditioner
Safety when handling coolants
Operating the air conditioner
Maintenance of the air conditioner
Regular maintenance
Instructions for filling
Exchange of magnetic clutch
Exchange of compressor
Troubleshooting

20 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
Brake pedal 20 km/h – basic adjustment
Brake pedal 35 km/h – basic adjustment
Brake efficiency
Measuring the stopping distance
Parking brake efficiency
Travel speed

90 APPENDIX
Wiring diagram – Fig. 1
Wiring diagram – Fig. 2
Wiring diagram – Fig. 3
Wiring diagram – Fig. 4
Wiring diagram – Fig. 5

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