KOMATSU 140E-6 SERIES ENGINE SERVICE REPAIR MANUAL (SEN05641-02) KOMATSU 140E-6 SERIES – PDF DOWNLOAD

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KOMATSU 140E-6 SERIES ENGINE SERVICE REPAIR MANUAL (SEN05641-02) KOMATSU 140E-6 SERIES

KOMATSU 140E-6 SERIES ENGINE SERVICE REPAIR MANUAL (SEN05641-02) KOMATSU 140E-6 SERIES – PDF DOWNLOAD:

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KOMATSU 140E-6 SERIES ENGINE SERVICE REPAIR MANUAL (SEN05641-02) KOMATSU 140E-6 SERIES

• This shop manual describes the technical information required for the services performed in a workshop. The shop manual is divided into the following chapters for the convenience of use.
00. Index and foreword
• This section includes the index, foreword, safety and basic information.
01. Specification
• This section explains the specifications of the machine.
10. Structure and function
• This section explains the structure and function of the machine. The section of “Structure and function” serves not only to give an understanding for the structure of each component, but also serves as reference material for troubleshooting.
20. Standard value table
• The standard values for a new machine and trouble shooting are described. This standard value table is used for testing and adjusting, and determining a failure at troubleshooting.
50. Disassembly and assembly
• This section explains the procedures for removing, installing, disassembling, and assembling each part or component and the special tools for the works as well as precautions for doing them safely. In addition, tightening torque, and quantity and weight of coating material, oil, grease, and coolant required for the works are also explained.
60. Maintenance standard
• This section describes the maintenance standard values for each component. This section gives the criterion values for each component and required remedy at disassembly or maintenance.

TABLE OF CONTENTS:

KOMATSU 140E-6 SERIES ENGINE SERVICE REPAIR MANUAL (SEN05641-02) KOMATSU 140E-6 SERIES

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 ......................................... 14
		Explanation of terms for maintenance standard ....................... 15
		Handling equipment of fuel system devices ........................... 17
		Handling of intake system parts ..................................... 18
		Handling of hydraulic equipment ..................................... 19
		Method of disconnecting and connecting of push-pull type coupler .... 21
		Handling of electrical equipment .................................... 24
		How to read electric wire code ...................................... 32
		Precautions when performing operation ............................... 35
		Standard tightening torque table .................................... 39
		List of abbreviation ................................................ 43
		Conversion table .................................................... 48
01 Specification ............................................................ 53
	Table of contents ....................................................... 54
	General information ..................................................... 55
		Exhaust gas regulation .............................................. 55
	Specifications .......................................................... 58
		Machine model ....................................................... 58
		Specifications ...................................................... 59
		General view ........................................................ 62
		Weight table ........................................................ 75
		Engine performance curve ............................................ 76
10 Structure and function ................................................... 81
	Table of contents ....................................................... 82
	Components layout ....................................................... 84
		Components layout drawing ........................................... 84
	Intake and exhaust system parts ......................................... 87
		Intake and exhaust system layout drawing ............................ 87
		Intake and exhaust system circuit diagram ........................... 89
		Air cleaner ......................................................... 91
		KVGT ................................................................ 92
		Aftercooler ......................................................... 98
		EGR system piping drawing ........................................... 99
		EGR system circuit diagram ..........................................101
		EGR valve ...........................................................102
		EGR cooler ..........................................................104
		Mixing connector ....................................................106
		KCCV layout drawing .................................................107
		KCCV ventilator .....................................................109
		KDPF ................................................................113
	Engine main body parts ..................................................117
		Cylinder head .......................................................117
		Cylinder block ......................................................119
		Main moving parts ...................................................121
		Timing gear .........................................................124
		Front cover .........................................................125
		Valve system ........................................................126
		Flywheel and flywheel housing .......................................128
	Lubrication system ......................................................129
		Lubrication system parts layout drawing .............................129
		Lubrication system diagram ..........................................130
		Oil pump ............................................................131
		Boost oil pump ......................................................133
		Oil filter ..........................................................135
		Oil cooler ..........................................................136
		Oil cooler thermo-valve .............................................138
		Oil pan .............................................................139
	Fuel system .............................................................140
		Fuel system parts layout drawing ....................................140
		Fuel system circuit diagram .........................................142
	Outline of CRI system ...................................................145
		Fuel system .........................................................145
		Various controls ....................................................146
		Structure and operation of CRI system ...............................148
		Structure and operation of component parts ..........................149
	Fuel dozing .............................................................159
		Dozing piping drawing ...............................................159
		Pre-filter ..........................................................162
		Main filter .........................................................163
	Cooling system ..........................................................164
		Cooling system parts layout drawing .................................164
		Cooling system circuit diagram ......................................165
		Water pump ..........................................................166
		Thermostat ..........................................................168
	Electrical equipment ....................................................170
		Alternator ..........................................................170
		Alternator mounting .................................................173
		Starting motor ......................................................174
		Fuel feed pump ......................................................176
		Fuel feed pump switch ...............................................177
		Engine wiring harness ...............................................178
		Engine controller ...................................................180
		Sensor ..............................................................186
20 Standard value table .....................................................199
	Table of contents .......................................................200
	Standard service value table ............................................201
		Standard value table for engine .....................................201
		Running-in standard and performance test standard ...................207
50 Disassembly and assembly .................................................211
	Table of contents .......................................................212
	General information on disassembly and assembly .........................213
		How to read this manual .............................................213
		Coating materials list ..............................................215
		Special tools list ..................................................219
		Sketches of special tools ...........................................221
	Disassembly and assembly ................................................224
		General disassembly of engine .......................................224
		General assembly of engine ..........................................239
		Removal and installation of supply pump .............................271
		Procedures for replacing engine front oil seal ......................275
		Procedures for replacing engine rear oil seal .......................278
60 Maintenance standard .....................................................283
	Table of contents .......................................................284
	Intake and exhaust system parts .........................................285
		KVGT ................................................................285
	Engine main body parts ..................................................286
		Cylinder head .......................................................286
		Cylinder block ......................................................287
		Cylinder liner ......................................................289
		Crankshaft ..........................................................290
		Cam follower and push rod ...........................................291
		Piston ..............................................................292
		Connecting rod ......................................................294
		Timing gear .........................................................296
		Camshaft ............................................................298
		Valve and valve guide ...............................................299
		Rocker arm ..........................................................301
		Crosshead and guide .................................................302
		Flywheel ............................................................303
	Cooling system ..........................................................305
		Oil cooler ..........................................................305
		Water pump ..........................................................307

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⦁ This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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