Komatsu 108 Series Diesel Engine Shop Manual SEBE62210103 PDF

Description

Komatsu 108 Series Diesel Engine Shop Manual SEBE62210103 – PDF DOWNLOAD

FILE DETAILS:

Komatsu 108 Series Diesel Engine Shop Manual SEBE62210103 – PDF DOWNLOAD 

Language : English
Pages : 256
Downloadable : Yes
File Type : PDF

TABLE OF CONTENTS:

Komatsu 108 Series Diesel Engine Shop Manual SEBE62210103 – PDF DOWNLOAD 

MAIN MENU 0
CONTENTS 2
01 GENERAL 23
SPECIFICATIONS 24
ENGINE PERFORMANCE CURVE 28
WEIGHT TABLE 38
11 STRUCTURE AND FUNCTION 41
GENERAL STRUCTURE 42
INTAKE AND EXHAUST SYSTEM 44
AFTER-COOLER 44
AIR CLEANER 45
ELECTRONIC DUST INDICATOR 46
TURBOCHARGER 47
ENGINE BODY 54
CYLINDER HEAD 54
CYLINDER BLOCK 56
MAIN REVOLVING SYSTEM 58
TIMING GEAR 62
VALVE SYSTEM 64
FLWHEEL AND FLYWHEEL HOUSING 66
LUBRICATION SYSTEM 70
LUBRICATION SYSTEM CHART 70
OIL PUMP 71
OIL FILTER (BUILT-IN SAFETY VALVE) 72
OIL COOLER 73
FUEL SYSTEM 74
FUEL SYSTEM CHART 74
FUEL INJECTION PUMP 76
FUEL INJECTION NOZZLE 84
FUEL FILTER 85
FUEL INJECTION PUMP DRIVE CASE 86
ENGINE STOP MOTOR 88
FUEL CUT SOLENOID 93
COOLING SYSTEM 94
COOLING SYSTEM CHART 94
THERMOSTAT 97
WATER PUMP 98
ELECTRICAL SYSTEM 101
WIRING DIAGRAM 101
ALTERNATOR 104
STARTING MOTOR 108
OIL PRESSURE SWITCH 110
RELAY SWITCH 110
GLOW PLUG 111
12 TESTING AND ADJUSTING 113
INTAKE AND EXHAUST SYSTEM 115
ADJUSTING VALVE CLEARANCE 115
ENGINE BODY 116
MEASURING COMPRESSION PRESSURE 116
FUEL SYSTEM 117
TESTING AND ADJUSTING FUEL INJECTION TIMING 117
ADJUSTMENT FUEL CUT SOLENOID LINK 120
PROCEDURE FOR ADJUSTING ENGINE STOP MOTOR CABLE 122
ADJUSTING ENGINE SPEED SENSOR (MECHANICAL GOVERNOR) 124
PERFORMANCE TEST 125
RUN-IN STANDARD 125
PERFORMANCE TEST CRITERIA 128
TESTING AND ADJUSTING DATA 132
FUEL INJECTION PUMP CALIBRATION DATA 132
TESTING AND ADJUSTING TOOL LIST 143
STANDARD VALVE TABLE 144
TROUBLESHOOTING 149
POINTS TO REMEMBER WHEN TROUBLESHOOTING 151
METHOD OF USING TROUBLESHOOTING CHART 152
S-1 Starting performance is poor (Starting always takes time) 156
S-2 Engine does not start 157
1 Engine does not turn 157
2 Engine turns but no exhaust gas comes out 158
3 Exhaust gas comes out but engine does not start (Fuel is being injected) 159
S-3 Engine does not pick up smoothly (Follow-up is poor) 160
S-4 Engine stops during operations 161
S-5 Engine does not rotate smoothly (hunting) 162
S-6 Engine lacks output (no power) 163
S-7 Exhaust gas is black (incomplete combustion) 164
S-8 Oil consumption is excessive (or exhaust gas is blue) 165
S-9 Oil becomes contaminated quickly 166
S-10 Fuel consumption is excessive 167
S-11 Oil is in cooling water, or water spurts back, or water level goes down 168
S-12 Oil pressure lamp lights up (drop in oil pressure) 169
S-13 Oil level rises 170
S-14 Water temperature becomes too high (overheating) 171
S-15 Abnormal noise is made 172
S-16 Vibration is excessive 173
13 DISASSEMBLY AND ASSEMBLY 175
OVERALL DISASSEMBLY 176
OVERALL ASSEMBLY 188
14 MAINTENANCE STANDARD 211
INTAKE AND EXHAUST SYSTEM 212
TURBOCHARGER 212
ENGINE BODY 214
CYLINDER HEAD 214
VALVE AND VALVE GUIDE 216
ROCKER ARM, PUSH ROD AND TAPPET 218
CYLINDER LINER 219
CYLINDER BLOCK 220
CRANKSHAFT 222
CAMSHAFT 223
PISTON, PISTON RING AND PISTON PIN 224
CONNECTING ROD 225
TIMING GEAR 226
FLYWHEEL AND FLYWHEEL HOUSING 227
LUBRICATION SYSTEM 228
OIL PUMP 228
REGULATOR VALVE 229
SAFETY VALVE 229
COOLING SYSTEM 230
WATER PUMP AND THERMOSTAT 230
15 REPAIR AND REPLACEMENT OF PARTS 233
REPAIRING MOUNTING FACE OF CYLINDER HEAD BY GRINDING 234
REPLACING VALVE SEAT INSERTS 235
PRESSURE TEST 239
REPLACING VALVE GUIDE 240
GRINDING THE VALVE 241
REPLACING CAM BUSHING 242
REPLACING CRANK GEAR 244
REPLACING CAM GEAR 244
REPLACING FLYWHEEL RING GEAR 245
REPLACING MAIN BEARING CAP 246
GRINDING CRANKSHAFT 247
REPLACING ENGINE REAR SEAL 252

DESCRIPTION:

Komatsu 108 Series Diesel Engine Shop Manual SEBE62210103 – PDF DOWNLOAD 

FOREWORD:
GENERAL:

• This shop 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 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.

STRUCTURE AND FUNCTION
This section explains the structure and function of each component. It serves not only to give
an understanding of the structure, but also serves as reference material for troubleshooting.
TESTING AND ADJUSTING
This section explains checks to be made before and after performing repairs, as well as
adjustments to be made at completion of the checks and repairs.
Troubleshooting charts correlating “Problems” to “Causes” are also included in this section.
DISASSEMBLY AND ASSEMBLY
This section explains the order to be followed when removing, installing, disassembling or
assembling each component, as well as precautions to be taken for these operations.
MAINTENANCE STANDARD
This section gives the judgement standards when inspecting disassembled parts.

IMAGES PREVIEW OF THE MANUAL:

S.V 22/12/24