KOMATSU PC290LC, 290NLC-7K SHOP MANUAL UEBM001601 – PDF DOWNLOAD

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KOMATSU PC290LC, 290NLC-7K SHOP MANUAL UEBM001601 – PDF DOWNLOAD

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KOMATSU PC290LC, 290NLC-7K SHOP MANUAL UEBM001601 – PDF DOWNLOAD

Language : English
Pages : 606
Downloadable : Yes
File Type : PDF

MACHINE MODEL SERIAL NUMBER
PC290LC-7K  K40001 AND UP 00
PC290NLC-7K  K40001 AND UP

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

KOMATSU PC290LC, 290NLC-7K SHOP MANUAL UEBM001601 – PDF DOWNLOAD

GENERAL..............................................................................................................  7
	SPECIFICATION DIMENSION DRAWINGS.................................................................................  8
	SPECIFICATIONS................................................................................................... 10
	WEIGHT TABLE..................................................................................................... 12
	FUEL, COOLANT, AND LUBRICANTS.................................................................................... 14
STRUCTURE, FUNCTION AND MAINTENANCE STANDARD......................................................................... 15
	ENGINE RELATED PARTS............................................................................................. 16
	RADIATOR • OIL COOLER • AFTERCOOLER.............................................................................. 17
	POWER TRAIN...................................................................................................... 18
	FINAL DRIVE...................................................................................................... 20
	SWING MACHINERY.................................................................................................. 22
	SWING CIRCLE..................................................................................................... 24
	TRACK FRAME • RECOIL SPRING...................................................................................... 26
	IDLER............................................................................................................ 28
	CARRIER ROLLER................................................................................................... 30
	TRACK ROLLER..................................................................................................... 31
	TRACK SHOE....................................................................................................... 32
	HYDRAULIC EQUIPMENT LAYOUT DRAWING............................................................................... 36
	HYDRAULIC TANK................................................................................................... 38
	HYDRAULIC PUMP................................................................................................... 40
	CONTROL VALVE.................................................................................................... 62
	SELF PRESSURE REDUCING VALVE..................................................................................... 77
	CLSS............................................................................................................. 83
	SWING MOTOR...................................................................................................... 84
	REVERSE PREVENTION VALVE......................................................................................... 89
	CENTRE SWIVEL JOINT.............................................................................................. 91
	TRAVEL MOTOR..................................................................................................... 92
	TRAVEL JUNCTION VALVE............................................................................................102
	TRAVEL PPC SHUTTLE VALVE.........................................................................................104
	VALVE CONTROL....................................................................................................106
	WORK EQUIPMENT • SWING PPC VALVE.................................................................................107
	TRAVEL PPC VALVE.................................................................................................111
	SERVICE PPC VALVE................................................................................................120
	SOLENOID VALVE...................................................................................................123
	PPC ACCUMULATOR..................................................................................................126
	RETURN OIL FILTER................................................................................................127
	BOOM HYDRAULIC DRIFT PREVENTION VALVE............................................................................128
	LIFT CHECK VALVE.................................................................................................131
	ATTACHMENT CIRCUIT SELECTOR VALVE................................................................................132
	HYDRAULIC CYLINDER...............................................................................................134
	WORK EQUIPMENT...................................................................................................136
	AIR CONDITIONER..................................................................................................142
	ENGINE CONTROL...................................................................................................143
	ELECTRONIC CONTROL SYSTEM........................................................................................150
	MULTI MONITOR SYSTEM.............................................................................................176
	SENSOR...........................................................................................................198
TESTING AND ADJUSTING................................................................................................201
	STANDARD VALUE TABLE FOR ENGINE RELATED PARTS....................................................................202
	STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS...................................................................203
	INSPECTION AND ADJUSTMENT OF ENGINE RPM..........................................................................212
	MEASUREMENT OF EXHAUST GAS COLOR.................................................................................214
	ADJUSTMENT OF VALVE CLEARANCE....................................................................................215
	MEASUREMENT OF COMPRESSION PRESSURE..............................................................................217
	MEASUREMENT OF BLOW-BY PRESSURE..................................................................................218
	INSPECTION AND ADJUSTMENT OF FUEL INJECTION TIMING...............................................................219
	MEASUREMENT OF ENGINE OIL PRESSURE...............................................................................221
	ADJUSTMENT OF ENGINE SPEED SENSOR................................................................................222
	INSPECTION AND ADJUSTMENT OF AIR COMPRESSOR BELT TENSION.........................................................222
	EMERGENT ESCAPE FROM FAILURE IN ENGINE CONTROL SYSTEM............................................................223
	MEASUREMENT OF CLEARANCE IN SWING CIRCLE BEARINGS................................................................224
	INSPECTION AND ADJUSTMENT OF TRACK SHOE TENSION..................................................................225
	INSPECTION OF WEAR ON SPROCKET...................................................................................225
	INSPECTION AND ADJUSTMENT OF HYDRAULIC OIL PRESSURE IN HYDRAULIC CIRCUIT FOR WORK EQUIPMENT, SWING AND TRAVEL....226
	INSPECTION AND ADJUSTMENT OF CONTROL CIRCUIT OIL PRESSURE........................................................230
	INSPECTION AND ADJUSTMENT OF PUMP PC CONTROL CIRCUIT OIL PRESSURE................................................231
	INSPECTION AND ADJUSTMENT OF PUMP LS CONTROL CIRCUIT OIL PRESSURE................................................234
	MEASUREMENT OF SOLENOID VALVE OUTPUT PRESSURE....................................................................238
	MEASUREMENT OF PPC VALVE OUTPUT PRESSURE.........................................................................241
	ADJUSTMENT OF WORK EQUIPMENT AND SWING PPC VALVE.................................................................242
	INSPECTION OF LOCATIONS OF HYDRAULIC DRIFT OF WORK EQUIPMENT.....................................................243
	RELEASE OF REMAINING PRESSURE IN HYDRAULIC CIRCUIT...............................................................244
	MEASUREMENT OF OIL LEAKAGE AMOUNT................................................................................245
	AIR BLEEDING OF VARIOUS PARTS....................................................................................247
	INSPECTION PROCEDURES FOR DIODE..................................................................................249
	SPECIAL FUNCTION OF MULTI-MONITOR PANEL..........................................................................250
	PREPARATIONS FOR TROUBLESHOOTING ELECTRICAL SYSTEM...............................................................274
	TROUBLESHOOTING..................................................................................................279
		TROUBLESHOOTING WHEN SERVICE CODE "ELECTRICAL SYSTEM" AND FAILURE CODE "MECHANICAL SYSTEM" ARE INDICATED.....337
		TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)................................................................423
		TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H-MODE)..................................................469
DISASSEMBLY AND ASSEMBLY.............................................................................................495
	HOW TO READ THIS MANUAL..........................................................................................497
	PRECAUTIONS WHEN PERFORMING OPERATION............................................................................499
	STARTING MOTOR...................................................................................................501
	FUEL INJECTION PUMP..............................................................................................502
	ENGINE FRONT SEAL................................................................................................506
	ENGINE REAR SEAL.................................................................................................508
	CYLINDER HEAD....................................................................................................510
	RADIATOR ASSEMBLY................................................................................................516
	HYDRAULIC OIL COOLER.............................................................................................518
	ENGINE AND HYDRAULIC PUMP........................................................................................520
	FINAL DRIVE......................................................................................................526
	SWING MOTOR AND SWING MACHINERY..................................................................................539
	CARRIER ROLLER...................................................................................................547
	TRACK ROLLER.....................................................................................................548
	IDLER............................................................................................................549
	RECOIL SPRING....................................................................................................552
	SPROCKET.........................................................................................................554
	TRACK SHOE.......................................................................................................555
	SWING CIRCLE.....................................................................................................557
	REVOLVING FRAME..................................................................................................558
	CENTER SWIVEL JOINT..............................................................................................560
	HYDRAULIC TANK...................................................................................................563
	CONTROL VALVE....................................................................................................565
	HYDRAULIC PUMP...................................................................................................571
	OIL SEAL IN HYDRAULIC PUMP INPUT SHAFT...........................................................................574
	WORK EQUIPMENT PPC VALVE.........................................................................................575
	TRAVEL PPC VALVE.................................................................................................576
	HYDRAULIC CYLINDER...............................................................................................577
	WORK EQUIPMENT...................................................................................................583
	AIR CONDITIONER UNIT.............................................................................................586
	COUNTERWEIGHT....................................................................................................589
	OPERATOR’S CAB...................................................................................................590
	MONITOR ASSEMBLY.................................................................................................593
	GOVERNOR PUMP CONTROLLER.........................................................................................594
OTHERS...............................................................................................................595
	HYDRAULIC CIRCUIT DIAGRAM........................................................................................597
	ELECTRICAL CIRCUIT DIAGRAM (1/4).................................................................................599
	ELECTRICAL CIRCUIT DIAGRAM (2/4).................................................................................601
	ELECTRICAL CIRCUIT DIAGRAM (3/4).................................................................................603
	ELECTRICAL CIRCUIT DIAGRAM (4/4).................................................................................605

S.S 24/12/24