Komatsu WA115-3 Wheel Loader Shop Manual VEBM120100 PDF

Description

Komatsu WA115-3 Wheel Loader Shop Manual VEBM120100 – PDF DOWNLOAD

FILE DETAILS:

Komatsu WA115-3 Wheel Loader Shop Manual VEBM120100 – PDF DOWNLOAD 

Language : English
Pages : 174
Downloadable : Yes
File Type : PDF

TABLE OF CONTENTS:

Komatsu WA115-3 Wheel Loader Shop Manual VEBM120100 – PDF DOWNLOAD 

SERIAL NUMBER WA115H30051 AND UP

WA115-3 1
CONTENTS 2
00 SAFETY 3
Safety notice 4
Preparations for work 5
Precautions during work 6
Foreword 8
How to read the shop manual 9
Volumes 9
Distribution and updating 9
Filing method 9
Symbols 10
Hoisting instructions 11
01 GENERAL 13
Specifications 14
Dimensions, weights and operating data 15
Weight table 16
Lubricants and operating mediums 17
Basic procedures of maintenance 18
Oil 18
Fuel 18
Coolant 19
Grease 19
Storing oil and fuel 19
Filters 20
Biodegradable hydraulic oils and lubricants 20
Outline of electric system 20
Torque list – screws and nuts 21
10 STRUCTURE AND FUNCTION 23
Powertrain – 20 km/h 25
Powertrain – 35 km/h 26
Closed circuit 27
Hydraulic drive system – 20 km/h 28
Hydraulic drive system – 35 km/h 30
Variable displacement pump 32
Regulating valve 35
Charge pressure limiting valve 35
Control cylinder 36
4/3 Way valve with direction control solenoids 36
Pressure cut-off valve 37
Safety-/charge valve 37
Towing 38
Variable displacement motor 39
Drive shaft 43
Axle mounting – front and rear axle 44
Front axle 45
Rear axle with distributor box – 20 km/h 46
Rear axle with distributor box – 35 km/h 47
Distributor box, single stage – 20 km/h 48
Distributor box, double stage – 35 km/h 49
Limited slip differential (locking value 45%), front and rear axle 50
Wheel hub, front and rear axle 52
Service and parking brake, rear axle 55
Sevice brake scheme – 20 km/h 57
Sevice brake scheme – 35 km/h 57
Parking brake scheme – 20 km/h 58
Parking brake scheme – 35 km/h 58
Inch-brake pedal – 20 km/h 59
Inch-brake pedal – 35 km/h 60
Steering scheme 63
Priority valve 64
Orbit-roll-valve 65
Steering relief valve 66
PPC-Valve 68
Operation of PPC-valve 69
Servo pressure regulating valve 70
Control circuit for tilt-in/tilt-out (cross section) 72
Pressure regulating valve 73
Shock-anticavitation valve 73
Anticavitation valve 74
Lift cylinder 77
Dump cylinder 78
Steering cylinder 79
Lifting with quick-coupler 80
Bucket positioner 81
Function 82
Operation of proximity switch 82
Adjusting the bucket positioner 83
Monitor display 85
Sensors 86
Engine oil pressure sensor 86
Fuel level sensor 87
Engine coolant temperature sensor 88
Brake oil reservoir sensor 89
Ribbon heater temperature sender unit 90
Ribbon heater 91
Engine stop/start/preheating circuit 94
Driver’s cab 96
Fuses (1) 96
Relais (2) 96
Wiring diagrams 99
Wiring diagram – Fig 1 100
Wiring diagram – Fig 2 103
Wiring diagram – Fig 3 104
Wiring diagram – Fig 4 107
Wiring diagram – Fig 5 108
Air conditioner (option) 113
Introduction 113
Function 114
The coolant circuit 114
The condenser 116
The vaporizer 117
The filter dryer 118
Installation of air conditioner 120
Safety when handling coolants 121
Operating the air conditioner 123
Maintenance of the air conditioner 124
Regular maintenance 125
Instructions for filling 127
Exchange of magnetic clutch 130
Exchange of compressor 131
Troubleshooting 133
20 TESTING AND ADJUSTING 135
Standard value table for engine 137
Standard value table for chassis 138
Standard value table for electrical parts 140
Test certificate 141
Valve clearance, testing and adjusting 142
Engine compression test 143
Injection nozzle pressure 144
Fuel injection timing 145
Fan belt 146
Engine RPM 147
RPM-dependant drive take-up 148
Engine stall torque RPM 149
Engine stall torque RPM, test with the hydrostatic drive 149
Engine stall torque RPM, test with the hydrostatic drive and working hydraulics 150
Feed pump and servo oil pressure 151
Hydraulic pressure cut-off 152
Working hydraulic pressure 154
Steering oil pressure 155
Operating time for steering wheel 156
Operating force of steering wheel 157
Brake 158
Brake disc, wear test 158
Brake disc clearance 159
Bleeding the brake system 160
Brake pedal 20 km/h – basic adjustment 161
Brake pedal 35 km/h – basic adjustment 162
Brake efficiency 163
Measuring the stopping distance 163
Parking brake efficiency 164
Travel speed 165
90 APPENDIX 167
Wiring diagram – Fig 1 169
Wiring diagram – Fig 2 170
Wiring diagram – Fig 3 171
Wiring diagram – Fig 4 172
Wiring diagram – Fig 5 173

DESCRIPTION:

Komatsu WA115-3 Wheel Loader Shop Manual VEBM120100 – PDF DOWNLOAD 

SERIAL NUMBER WA115H30051 AND UP

• This shop manual has been prepared as an aid to improve the quality of repairs by giving the service personnel an accurate understanding of the product and by showing them 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 shop manual mainly contains the necessary technical information for operations performed in a service workshop. For ease of understanding, the manual is divided into the following chapters; these chapters are further divided into the each main group of components:

IMAGES PREVIEW OF THE MANUAL:

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