KOMATSU 155-4 SERIES DIESEL ENGINE SERVICE REPAIR MANUAL (SEBE6120A05) KOMATSU 155-4 – PDF DOWNLOAD

KOMATSU 155-4 SERIES DIESEL ENGINE SERVICE REPAIR MANUAL (SEBE6120A05) KOMATSU 155-4

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TABLE OF CONTENTS:

KOMATSU 155-4 SERIES DIESEL ENGINE SERVICE REPAIR MANUAL (SEBE6120A05) KOMATSU 155-4

COVER....................................................  1
CONTENTS.................................................  5
01 GENERAL...............................................  8
	GENERAL..............................................  9
		GENERAL VIEW..................................... 10
		SPECIFICATIONS................................... 17
		GENERAL ASSEMBLY DRAWING......................... 25
		WEIGHT TABLE..................................... 37
		ENGINE PERFORMANCE CURVE......................... 38
11 STRUCTURE AND FUNCTION................................ 49
	STRUCTURE AND FUNCTION............................... 50
		GENERAL STRUCTURE ............................... 51
		INTAKE AND EXHAUST SYSTEM........................ 55
		TURBOCHARGER..................................... 59
		AFTER COOLER..................................... 61
		ENGINE BODY...................................... 62
			CYLINDER HEAD................................ 62
			ROCKER ARM................................... 64
			VALVE SYSTEM................................. 65
			CYLINDER BLOCK............................... 69
			MAIN REVOLVING............................... 73
			TIMING GEAR.................................. 77
			BALANCER SHAFT............................... 79
			P.T.O........................................ 80
		LUBRICATION SYSTEM............................... 83
			LUBRICATION SYSTEM CHART..................... 83
			OIL PUMP..................................... 87
			FULL FLOW OIL FILTER......................... 89
			BY-PASS OIL FILTER........................... 94
			OIL COOLER................................... 95
			TORQUE CONVERTER OIL COOLER.................. 97
		FUEL SYSTEM...................................... 98
			FUEL SYSTEM CHART............................ 98
			FUEL PIPING..................................100
			FUEL INJECTION PUMP..........................103
			FUEL INJECTION PUMP DRIVE....................120
			FUEL INJECTION NOZZLE........................121
			FUEL FILTER..................................123
		COOLING SYSTEM...................................125
			COOLING SYSTEM CHART.........................125
			WATER PUMP...................................128
			THERMOSTAT...................................132
			CORROSION RESISTOR...........................133
		ACCESSORY........................................134
			ALTERNATOR...................................134
			DYNAMO ......................................137
			STARTING MOTOR...............................138
			STARTING ENGINE..............................140
			AIR COMPRESSOR...............................147
			ENGINE STARTING AIDS.........................152
12 TESTING AND ADJUSTING.................................  0
	TESTING AND ADJUSTING................................158
		PREPARATION......................................159
		ADJUSTING FUEL INJECTION TIMING..................162
		PERFORMANCE TEST ON FEED PUMP....................164
		FUEL INJECTION PUMP TABLE........................165
		ENGINE PERFORMANCE TEST..........................167
		STARTING ENGINE (2G84) PERFORMANCE TEST..........177
		TESTING AND ADJUSTING TOOL LIST..................179
		TESTING AND ADJUSTING DATA.......................180
13 DISASSEMBLY AND ASSEMBLY..............................188
	DISASSEMBLY AND ASSEMBLY.............................189
		GENERAL DISASSEMBLY OF ENGINE ASSEMBLY...........190
		GENERAL ASSEMBLY OF ENGINE ASSEMBLY..............212
		DISASSEMBLY OF WATER PUMP........................247
		ASSEMBLY OF WATER PUMP...........................248
		DISASSEMBLY OF TURBOCHARGER (KTR100,130).........250
		ASSEMBLY OF TURBOCHARGER (KTR100,130)............254
		DISASSEMBLY OF TURBOCHARGER (RH1521).............258
		ASSEMBLY OF TURBOCHARGER (RH1521)................260
		DISASSEMBLY OF STARTING ENGINE (2G84)............262
		ASSEMBLY OF STARTING ENGINE (2G84)...............264
		DISASSEMBLY OF 2G84 POWER TRAIN..................267
		ASSEMBLY OF 2G84 POWER TRAIN.....................268
		DISASSEMBLY OF FUEL INJECTION PUMP...............269
		ASSEMBLY OF FUEL INJECTION PUMP..................280
14 MAINTENANCE STANDARD..................................284
	MAINTENANCE STANDARD.................................285
		TURBOCHARGER.....................................286
		CYLINDER HEAD....................................290
		VALVE,VALVE GUIDE................................292
		CROSSHEAD,CROSSHEAD GUIDE........................293
		ROCKER HOUSING...................................294
		TAPPET,PUSH ROD..................................295
		CYLINDER BLOCK...................................296
		CYLINDER LINER...................................300
		CRANKSHAFT.......................................302
		CAMSHAFT.........................................304
		BALANCER SHAFT...................................305
		TIMING GEAR......................................306
		PISTON,PISTON RING AND PISTON PIN................308
		CONNECTING ROD...................................310
		OIL PUMP.........................................312
		RELIEF VALVE,REGULATOR VALVE AND SAFETY VALVE....314
		PISTON COOLING VALVE,OIL COOLER BY-PASS VALVE....316
		WATER PUMP.......................................318
		STARTING ENGINE (2G84)...........................319
		AIR COMPRESSOR...................................323
15 REPAIR AND REPLACEMENT................................328
	REPAIR AND REPLACEMENT...............................329
		CYLINDER HEAD SECTION............................330
		CYLINDER BLOCK SECTION...........................345
		PRESS FITTING OF BUSHING.........................372
		REPLACING SHRINK-FITTED GEAR.....................375
		OTHERS...........................................376

DESCRIPTION:

KOMATSU 155-4 SERIES DIESEL ENGINE SERVICE REPAIR MANUAL (SEBE6120A05) KOMATSU 155-4

• 1.Before carrying out any greasing or repairs, read all the precautions given on the decals which are fixed to the machine.
• 2.When carrying out any operation, always wear safety shoes and helmet. Do not wear loose work clothes, or clothes with buttons missing.  Always wear safety glasses when hitting parts with a hammer.  Always wear safety glasses when grinding parts with a grinder. etc.
• 3. If welding repalrs are needed. always have a trained, experienced welder carry out the work. When carrying out welding work. always wear welding gloves, apron. glasses, cap and other clothes suited for welding work.
• 4.When carrying out any operation with two or more workers, always agree on the operating procedure before starting. Always inform your fellow workers before starting any step of the operation. Before starting work, hang UNDER REPAIR signs on the controls in the operator’s compartment.
• 5.Keep all tools in good condition and learn the correct way to use them.