Komatsu ENGINE 125E -6 SERIES SHOP MANUAL SEN05624-05 – PDF DOWNLOAD

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Komatsu ENGINE 125E -6 SERIES SHOP MANUAL SEN05624-05 – PDF DOWNLOAD

FILE DETAILS:

Komatsu ENGINE 125E -6 SERIES SHOP MANUAL SEN05624-05 – PDF DOWNLOAD

Language : English
Pages :340
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Komatsu ENGINE 125E -6 SERIES SHOP MANUAL SEN05624-05 – PDF DOWNLOAD

General precautions

kInappropriate handling causes an extreme danger. Read and understand what is described in the operation and maintenance manual before operating the machine. Read and understand what is described in this manual before starting the work.

• Before performing any greasing or repairs, read all the safety labels stuck to the machine. For the locations of the safety labels and detailed explanation of precautions, see the operation and maintenance manual.
• Locate a place in the repair workshop to keep the tools and removed parts. Always keep the tools and parts in their correct places. Always keep the work area clean and make sure that there is no dirt, water or oil on the floor. Smoke only in the areas provided for smoking. Never smoke while working.
• When performing any work, always wear the safety shoes and helmet. Do not wear loose work cloths, or clothes with buttons missing. 1. Always wear the protective eyeglasses when hitting parts with a hammer. 2. Always wear the protective eyeglasses when grinding parts with a grinder, etc.
• When performing any work with 2 or more workers, always agree on the working procedure before starting. While working, always keep conversations of the work between your fellow workers and your self on any step of the work. During the work, hang the warning tag of “UNDER WORKING” in the operator’s compartment.
• Only qualified workers must perform the work and operation which require license or qualification.
• Keep the tools in good condition. And learn the correct way to use the tools, and use the proper ones among them. Before starting the work, thoroughly check the tools, lift truck, service vehicle, etc.
• If welding repairs is required, always have a trained and experienced welder with good knowledge of welding perform the work. When performing welding work, always wear welding gloves, apron, shielding goggles, cap, etc.
• Before starting work, warm up your body thoroughly to start work under good condition.
• Avoid continuing work for long hours and take rests with proper intervals to keep your body in good condition. Take a rest in a specified safe place.

TABLE OF CONTENTS:

Komatsu ENGINE 125E -6 SERIES SHOP MANUAL SEN05624-05 – PDF DOWNLOAD

Cover 1
00 Index and foreword 3
Index 4
Foreword, safety and general information 7
Important safety notice 7
How to read the shop manual 15
Explanation of terms for maintenance standard 17
Handling equipment of fuel system devices 19
Handling of intake system parts 20
Handling of hydraulic equipment 21
Method of disconnecting and connecting of push-pull type coupler 23
Handling of electrical equipment 26
How to read electric wire code 34
Precautions when performing operation 37
Standard tightening torque table 42
List of abbreviation 48
Conversion table 53
01 Specification 59
Table of contents 60
Specifications 61
Exhaust gas regulation 61
Applicable machines 64
Specifications 65
General view 68
Weight table 82
Engine performance curve 83
10 Structure and function 87
Table of contents 88
Components layout 89
Components layout drawing 89
Intake and exhaust system parts 92
Intake and exhaust system layout drawing 92
Intake and exhaust system circuit diagram 93
Air cleaner 95
KVGT 96
Aftercooler 102
EGR system piping drawing 103
EGR system circuit diagram 105
EGR valve 106
EGR cooler 108
Mixing connector 110
KCCV layout drawing 111
KCCV ventilator 113
KDPF 117
Engine main body parts 121
Cylinder head 121
Cylinder block 123
Main moving parts 125
Vibration damper 128
Timing gear 129
Front cover 131
Valve system 132
Flywheel and flywheel housing 135
Lubrication system 136
Lubrication system parts layout drawing 136
Lubrication system diagram 137
Oil pump 138
Boost oil pump 139
Oil filter 140
Oil cooler 141
Oil cooler thermo-valve 142
Oil pan 143
Fuel system 144
Fuel system parts layout drawing 144
Fuel system circuit diagram 146
Outline of CRI system 149
Fuel dozing 162
Fuel cooler 165
Pre-filter 166
Main filter 167
Cooling system 168
Cooling system parts layout drawing 168
Cooling system circuit diagram 169
Water pump 170
Thermostat 171
Electrical equipment 173
Alternator 173
Alternator mounting 177
Starting motor 178
Fuel feed pump 182
Fuel feed pump switch 183
Engine wiring harness 184
Engine controller 186
Sensor 192
20 Standard value table 205
Table of contents 206
Standard service value table 207
Standard value table for engine 207
Running-in standard and performance test standard 213
50 Disassembly and assembly 217
Table of contents 218
Related information on disassembly and assembly 219
How to read this manual 219
Coating materials list 221
Special tool list 225
Sketch of special tool 227
Disassembly and assembly 230
General disassembly of engine 230
General assembly of engine 251
Removal and installation procedure of supply pump as single component 296
Engine front oil seal replacement procedure 301
Engine rear oil seal replacement procedure 304
60 Maintenance standard 309
Table of contents 310
Intake and exhaust system parts 311
KVGT 311
Engine main body parts 312
Cylinder head 312
Cylinder block 313
Cylinder liner 315
Crankshaft 316
Cam follower and push rod 317
Piston 319
Connecting rod 321
Vibration damper 323
Timing gear 324
Camshaft 325
Valve and valve guide 326
Rocker arm 328
Crosshead and guide 329
Flywheel 330
Lubrication system 332
Main relief valve 332
Safety valve 333
Cooling system 334
Oil cooler 334
Water pump 335
Thermostat 336
INDEX337

IMAGES PREVIEW OF THE MANUAL:

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