Komatsu 6D170-1 Series Diesel Engine Service Repair Manual – PDF Download

Description

Komatsu 6D170-1 Series Diesel Engine Service Repair Manual

Description:

Komatsu 6D170-1 Series Diesel Engine Service Repair Manual
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 anduse 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 chapters for each main group of components; these chapters are further divided into the following sections.
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 thejudgement standards when inspecting disassembled parts.

Table of Contents:

Komatsu 6D170-1 Series Diesel Engine Service Repair Manual

COVER...........................................................................  1
CONTENTS........................................................................  2
11 STRUCTURE AND FUNCTION....................................................... 11
	GENERAL STRUCTURE........................................................... 12
	INTAKE AND EXHAUST SYSTEM................................................... 14
		INTAKE AND EXHAUST SYSTEM............................................... 14
		TURBOCHARGER............................................................ 21
		AFTER-COOLER............................................................ 25
	ENGINE BODY................................................................. 26
		CYLINDER HEAD........................................................... 26
		VALVE SYSTEM............................................................ 28
		CYLINDER BLOCK.......................................................... 30
		MAIN CIRCULATION PART................................................... 32
		TIMING GEAR............................................................. 34
		FLYWHEEL AND FLYWHEEL HOUSING........................................... 36
	LUBRICATION SYSTEM.......................................................... 37
		LUBRICATION SYSTEM CHART................................................ 37
		OIL PUMP................................................................ 38
		OIL FILTER AND SAFETY VALVE............................................. 39
		OIL COOLER.............................................................. 40
		MAIN RELIEF VALVE....................................................... 42
		OIL COOLER BY-PASS VALVE................................................ 42
		PISTON COOLING VALVE.................................................... 43
		MECHANICAL PUMP......................................................... 44
	FUEL SYSTEM................................................................. 45
		FUEL SYSTEM CHART....................................................... 45
		FUEL INJECTION PUMP..................................................... 46
		FUEL INJECTION NOZZLE................................................... 50
		FUEL INJECTION PUMP DRIVE............................................... 51
		FUEL FILTER............................................................. 52
		FUEL SOLENOID........................................................... 53
		ENGINE STOP MOTOR....................................................... 55
		STARTING AID............................................................ 60
	COOLING SYSTEM.............................................................. 61
		COOLING SYSTEM CHART.................................................... 61
		WATER PUMP.............................................................. 62
		FAN DRIVE AND TENSION PULLEY............................................ 63
		CORROSION RESISTOR...................................................... 67
		THERMOSTAT.............................................................. 68
	ACCESSORY................................................................... 69
		AIR COMPRESSOR MOUNTING................................................. 69
		AIR COMPRESSOR.......................................................... 70
	ELECTRICAL SYSTEM........................................................... 71
		ALTERNATOR.............................................................. 71
		STARTING MOTOR.......................................................... 73
12 TESTING AND ADJUSTING........................................................ 74
	FUEL SYSTEM................................................................. 75
		ADJUSTING FUEL SOLENOID................................................. 75
		ADJUSTING ENGINE STOP MOTOR............................................. 76
		ADJUSTING FUEL INJECTION PRESSURE....................................... 77
		TESTING AND ADJUSTING TOOL LIST......................................... 80
	TROUBLESHOOTING............................................................. 81
		METHOD OF READING TROUBLESHOOTING TABLE................................. 82
		TROUBLESHOOTING TABLE................................................... 84
			1. STARTING DEFECTIVE OR BADNESS.................................... 84
			2. ENGINE STOPPED DURING OPERATION.................................. 87
			3. ENGINE RUNS ABNORMALLY........................................... 88
			4. FUEL CONSUMPTION TOO HIGH........................................ 88
			5. LACK OF POWER.................................................... 89
			6. EXHAUST GAS IS BLACK............................................. 90
			7. EXHAUST GAS IS BLUE.............................................. 91
			8. OIL CONSUMPTION TOO HIGH......................................... 92
			9. OIL LEVEL RISES.................................................. 93
			10. OIL QUICKLY BECOMES DIRTY....................................... 94
			11. ENGINE OIL PRESSURE GAUGE INDICATOR FLUCTUATES ABNORMALLY....... 95
			12. LACK OF OIL PRESSURE............................................ 96
			13. OIL IN COOLING SYSTEM........................................... 97
			14. WATER TEMPERATURE DOES NOT RISE................................. 97
			15. WATER TEMPERATURE RISES EXCESSIVELY............................. 98
			16. TOO MUCH VIBRATION.............................................. 99
			17. ABNORMAL NOISE EMITTED..........................................100
			18. EXCESSIVE WEAR OF ENGINE PARTS..................................101
			19. ENGINE DOES NOT START BECAUSE OF FAULT IN ELECTRICAL SYSTEM.....102
			20. BATTERY DOES NOT CHARGE.........................................103
13 DISASSEMBLY AND ASSEMBLY.....................................................104
	GENERAL.....................................................................106
		DISASSEMBLY.............................................................106
		ASSEMBLY................................................................124
14 MAINTENANCE STANDARD.........................................................148
	TURBOCHARGER................................................................149
	CYLINDER HEAD...............................................................153
	VALVES AND VALVE GUIDE......................................................154
	CROSSHEAD AND CROSSHEAD GUIDE...............................................155
	PUSH ROD AND CAM FOLLOWER...................................................156
	CYLINDER BLOCK..............................................................157
	CYLINDER LINER..............................................................159
	CRANKSHAFT..................................................................160
	CAMSHAFT....................................................................161
	TIMING GEAR.................................................................162
	PISTON, PISTON RING AND PISTON PIN..........................................163
	CONNECTING ROD..............................................................164
	OIL PUMP....................................................................165
	OIL PUMP RELIEF VALVE, PISTON COOLING VALVE AND OIL COOLER BY-PASS VALVE....166
	AIR COMPRESSOR..............................................................167
	WATER PUMP..................................................................169
15 REPAIR AND REPLACEMENT OF PARTS..............................................170
	REPAIRING MOUNTING FACE OF CYLINDER HEAD BY GRINDING........................171
	REPLACING VALVE SEAT INSERTS................................................172
	REPLACING NOZZLE HOLDER SLEEVE..............................................176
	REPLACING VALVE GUIDE.......................................................179
	REPLACING CROSS HEAD GUIDE..................................................180
	GRINDING THE VALVE..........................................................180
	GRINDING THE TOP SURFACE OF CYLINDER BLOCK..................................181
	REPLACING MAIN METAL CAP....................................................182
	REPAIRING THE CRANKSHAFT....................................................183
	REPLACING CAM BUSHING.......................................................187
	REPLACING CRANK GEAR........................................................188
	REPLACING CAM GEAR..........................................................188
	REPLACING FLYWHEEL RING GEAR................................................188

Screenshot Of The Manual:

KOMATSU 6D170-1 SERIES DIESEL ENGINE SERVICE REPAIR MANUAL – PDF DOWNLOAD:

Please Note:

⦁ This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
⦁ Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.