Komatsu 6D125 Series Diesel Engine Shop Manual SEBE61500112 PDF

Description

Komatsu 6D125 Series Diesel Engine Shop Manual SEBE61500112 – PDF DOWNLOAD

FILE DETAILS:

Komatsu 6D125 Series Diesel Engine Shop Manual SEBE61500112 – PDF DOWNLOAD

Language : English
Pages :425
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Komatsu 6D125 Series Diesel Engine Shop Manual SEBE61500112 – PDF DOWNLOAD

TABLE OF CONTENTS:

Komatsu 6D125 Series Diesel Engine Shop Manual SEBE61500112 – PDF DOWNLOAD

COVER 1
CONTENTS 2
LIST OF REVISED PAGE 3
SAFETY 7
SAFETY NOTICE 7
FOREWORD 9
GENERAL 9
HOW TO READ THE SHOP MANUAL 10
HOISTING INSTRUCTIONS 11
COATING MATERIALS 12
STANDARD TIGHTENING TORQUE 14
ELECTRIC WIRE CODE 17
CONVERSION TABLE 18
01 GENERAL 25
GENERAL VIEW 26
SPECIFICATIONS 28
GENERAL ASSEMBLY DRAWING 46
ENGINE PERFORMANCE CURVE 54
WEIGHT TABLE 84
11 STRUCTURE AND FUNCTION 89
GENERAL STRUCTURE 90
INTAKE AND EXHAUST SYSTEM 92
INTAKE AND EXHAUST SYSTEM 92
TURBOCHARGER 98
ENGINE BODY102
CYLINDER HEAD102
VALVE SYSTEM104
CYLINDER BLOCK106
MAIN CIRCULATION PART108
TIMING GEAR110
FLYWHEEL AND FLYWHEEL HOUSING112
LUBRICATION SYSTEM117
LUBRICATION SYSTEM CHART117
OIL PUMP118
REGULATOR VALVE120
OIL FILTER121
OIL COOLER123
FUEL SYSTEM125
FUEL SYSTEM CHART125
FUEL INJECTION PUMP126
FUEL INJECTION NOZZLE130
FUEL FILTER131
MAGNETIC SWITCH AND FUEL SOLENOID132
ENGINE STOP MOTOR134
COOLING SYSTEM139
COOLING SYSTEM CHART139
WATER PUMP140
THERMOSTAT142
CORROSION RESISTOR143
ELECTRICAL SYSTEM145
ALTERNATOR145
STARTING MOTOR150
ELECTRICAL INTAKE AIR HEATER153
ACCESSORY154
AIR COMPRESSOR154
EXHAUST BRAKE157
12 TESTING AND ADJUSTING159
ENGINE BODY160
ADJUSTING VALVE CLEARANCE160
MEASURING COMPRESSION PRESSURE161
FUEL SYSTEM162
CHECKING AND ADJUSTING FUEL INJECTION TIMING162
TESTING AND ADJUSTING FUEL CUT SOLENOID164
ADJUSTING ENGINE STOP MOTOR CABLE165
FUEL INJECTION PUMP CALIBRATION DATA167
PERFORMANCE TEST259
RUN-IN STANDARD259
PERFORMANCE TEST CRITERIA266
TESTING AND ADJUSTING TOOL LIST280
TESTING AND ADJUSTING DATA281
TROUBLESHOOTING301
POINTS TO REMEMBER WHEN TROUBLESHOOTING303
METHOD OF USING TROUBLESHOOTING CHART304
S-1 Starting performance is poor (Starting always takes time)308
S-2 Engine does not start309
① Engine does not turn309
② Engine turns but no exhaust comes out (Fuel is not being injected)310
③ Exhaust gas comes out but engine does not start (Fuel is being injected)311
S-3 Engine does not pick up smoothly (Follow-up is poor)312
S-4 Engine stops during operations313
S-5 Engine does not rotate smoothly (hunting)314
S-6 Engine lacks output (no power)315
S-7 Exhaust gas is black (incomplete combustion)316
S-8 Oil consumption is excessive (or exhaust gas is blue)317
S-9 Oil becomes contaminated quickly318
S-10 Fuel consumption is excessive319
S-11 Oil is in cooling water, or water spurts back, or water level goes down320
S-12 Oil pressure lamp lights up (drop in oil pressure)321
S-13 Oil level rises322
S-14 Water temperature becomes too high (overheating)323
S-15 Abnormal noise is made324
S-16 Vibration is excessive325
13 DISASSEMBLY AND ASSEMBLY327
GENERAL328
DISASSEMBLY328
ASSEMBLY344
AIR COMPRESSOR372
DISASSEMBLY372
ASSEMBLY374
EXHAUST BRAKE376
DISASSEMBLY AND ASSEMBLY376
14 MAINTENANCE STANDARD379
INTAKE AND EXHAUST SYSTEM380
TURBOCHARGER380
ENGINE BODY383
CYLINDER HEAD383
VALVE AND VALVE GUIDE384
ROCKER ARM SHAFT386
CROSSHEAD387
CYLINDER BLOCK388
CYLINDER LINER390
CRANKSHAFT391
CASHAFT392
CAM FOLLOWER AND PUSH ROD393
PISTON, PISTON RING AND PISTON PIN396
CONNECTIONG ROD402
TIMING GEAR403
WLYWHEEL AND FLYWHEEL HOUSING404
VIBRATION DAMPER405
COOLING SYSTEM407
WATER PUMP AND THERMOSTAT407
OIL COOLER408
LUBRICATION SYSTEM409
OIL PUMP409
MAIN RELIEF VALVE410
REGULATOR VALVE AND SAFETY VALVE411
ACCESSORY412
AIR COMPRESSOR412
15 REPAIR AND REPLACEMENT OF PARTS413
REPLACING VALVE SEAT INSERTS414
REPLACING NOZZLE HOLDER SLEEVE418
REPLACING VALVE GUIDE420
REPLACING CROSS HEAD GUIDE420
GRINDING THE VALVE421
REPLACING CAM BUSHING422
REPLACING FLYWHEEL RING GEAR424
REPLACING CAM GEAR424
PRESSURE TEST425

IMAGES PREVIEW OF THE MANUAL:

S.M 22/12/24