KOMATSU PC3000-1 HYDRAULIC MINING SHOVEL SERVICE REPAIR MANUAL (SNPC3000-1 6225) KOMATSU PC3000-1 – PDF DOWNLOAD

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KOMATSU PC3000-1 HYDRAULIC MINING SHOVEL SERVICE REPAIR MANUAL (SNPC3000-1 6225) KOMATSU PC3000-1

KOMATSU PC3000-1 HYDRAULIC MINING SHOVEL SERVICE REPAIR MANUAL (SNPC3000-1 6225) KOMATSU PC3000-1 – PDF DOWNLOAD:

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KOMATSU PC3000-1 HYDRAULIC MINING SHOVEL SERVICE REPAIR MANUAL (SNPC3000-1 6225) KOMATSU PC3000-1

With this SERVICE MANUAL KOMATSU MINING GERMANY GmbH provides you with the description of the construction and the function of the major systems of the hydraulic excavator PC 3000. We describe for you all functions and how to carry out the inspections and adjustments.

How do you find ”your” desired information?
In the table of CONTENTS all the functions and components are shown in their sequence of the description.

Correct service and repair is extremely important for the safe operation of the machine.
The machine has been designed to suit your work, but it is still impossible to totally avoid any danger due to the size of the machine. When working on the machine, always try to avoid any possible danger.
KEEP IN MIND
– BE CAREFUL
– BE ALERT
– THINK ABOUT WHAT YOU ARE DOING
Any PERSON doing any work in or around the machine must be familiar with the local SAFETY INSTRUCTIONS and with the specific SAFETY INSTRUCTIONS REGARDING TO HIS OCCUPATION

TABLE OF CONTENTS:

KOMATSU PC3000-1 HYDRAULIC MINING SHOVEL SERVICE REPAIR MANUAL (SNPC3000-1 6225) KOMATSU PC3000-1

MAIN MENU..................................................................  0
COVER......................................................................  1
INTRODUCTION...............................................................  2
FOREWORD...................................................................  3
TABLE OF CONTENTS..........................................................  5
SECTION 1 MAIN ASSEMBLY GROUPS.............................................  6
	TABLE OF CONTENTS......................................................  6
	GENERAL LAYOUT.........................................................  8
	DRIVE.................................................................. 10
	CONTROL BLOCKS, SWING GEAR............................................. 12
	UNDERCARRIAGE, TRAVEL DRIVE............................................ 14
	DRIVER'S CAB........................................................... 16
SECTION 2 DRIVE............................................................ 17
	TABLE OF CONTENTS...................................................... 17
	PRIME DRIVE ASSEMBLY................................................... 19
	ENGINE MOUNTS.......................................................... 21
	FAN DRIVE AND COOLER ASSY.............................................. 23
	COUPLING............................................................... 25
	AIR FILTER............................................................. 27
	PUMP DISTRIBUTOR GEAR.................................................. 29
	SPLING LUBRICATION..................................................... 31
	GEAT LUBRICATION....................................................... 33
	LOCATION OF THE PUMPS, DRIVE SPEEDS AND FLOW RATES..................... 37
SECTION 3 HYDRAULIC OIL TANK............................................... 38
	TABLE OF CONTENTS...................................................... 38
	MAIN OIL TANK.......................................................... 40
	RETURN AND LEAK OIL FILTER............................................. 42
	BREATHER FILTER........................................................ 44
	LOCATION OF PRESSURE SWITCHES AND SENSORS.............................. 46
SECTION 4 HYDRAULIC OIL COOLING............................................ 47
	TABLE OF CONTENTS...................................................... 47
	GENERAL................................................................ 49
	HYDRAULIC OIL COOLING CIRCUIT.......................................... 51
	ADJUSTMENTS............................................................ 53
	FAN DRIVE.............................................................. 57
	PRESSURE RELIEF VALVE AND SOLENOID VALVE............................... 59
	AXIAL PISTON PUMP...................................................... 61
	ADJUSTMENTS............................................................ 63
	FUNCTION CHECK FOR RPM-CONTROL......................................... 67
SECTION 5 CONTROLLING...................................................... 68
	TABLE OF CONTENTS...................................................... 68
	PILOT PRESSURE SUPPLY.................................................. 70
	CHECKS AND ADJUSTMENTS OF PILOT PRESSURE............................... 74
	CHECKING THE ACCUMULATOR FUNCTION...................................... 76
	TRAVEL PARKING BRAKE................................................... 78
	FUNCTION CHECK OF TRAVEL PARKING BRAKE................................. 80
	SWING PARKING (HOUSE) BRAKE............................................ 82
SECTION 6 COMPONENTS....................................................... 83
	TABLE OF CONTENTS...................................................... 83
	DISTRIBUTOR MANIFOLD................................................... 89
	RESTRICTOR BLOCK WITH PRESSURE RELIEF VALVE............................ 93
	ANTI CAVITATION VALVE BLOCK............................................ 97
	PROPORTIONAL SOLENOID VALVE............................................ 99
	PRESSURE FILTER........................................................101
	CONTROL BLOCKS.........................................................103
	TRAVEL BRAKE VALVE.....................................................113
	PRESSURE REDUCING VALVE................................................115
	DIRECTIONAL CONTROL VALVE ("SOLENOID VALVE")\..........................117
	HYDRAULIC CYLINDER.....................................................119
	AUXILIARY PUMPS (FAN DRIVE)............................................121
	AUXILIARY GEAR PUMPS...................................................123
	SWING RING.............................................................125
SECTION 7 MAIN HYDRAULIC PUMPS.............................................126
	TABLE OF CONTENTS......................................................126
	MAIN HYDRAULIC PUMP A7V / HD D.........................................128
	DESCRIPTION OF THE SL-BEARING..........................................132
	FUNCTION OF THE PUMP GOVERNOR..........................................134
	PUMP BEARING LUBRICATION...............................................140
	PUMP GOVERNOR ADJUSTMENTS..............................................144
	PUMP REGULATION, GENERAL...............................................152
	DETERMINATION OF THE PEAK POINT (CORNER VALUE).........................158
	HYDRAULIC REGULATION ADJUSTMENT, STOP GAP OPERATION....................160
	DETAILED EXLANATION FOR THE ELECTRONIC REGULATION......................162
	ADJUSTMENTS / CHECKS FOR THE ELECTRONIC REGULATION.....................164
	ADJUSTING THE RPM SENSOR (MPU).........................................166
	ADJUSTMENTS / CHECKS FOR THE ELL - MODULE, NOMINAL FINE TUNING.........168
	TESTING AND SETTING FOR THE COMPLETE REGULATION........................170
	CHECKS / FUNCTION TEST / FAULT FINDING AT JOB SITE.....................172
	EPM - MODULE, FUNCTION AND TEST........................................174
	ERM - MODULE, FUNCTION AND TEST........................................176
	ELL - MODULE, FUNCTION AND TEST........................................180
	TESTING THE PROPORTIONAL AMPLIFIER MODULE, A36.........................184
	SIMPLIFIED TROUBLE SHOOTING OF THE ELECTRONIC CONTROL..................186
SECTION 8 OPERATING HYDRAULIC..............................................189
	TABLE OF CONTENTS......................................................189
	HYDRAULIC FOR ATTACHMENT CYLINDER......................................191
	ADJUSTMENTS FOR ATTACHMENT CYLINDER HYDRAULIC..........................195
	SWING CIRCUIT, GENERAL.................................................213
	SWING MOTOR............................................................217
	SWING GEAR AND SWING PARKING BRAKE.....................................221
	SWING BRAKE VALVE......................................................225
	SWING, FUNCTION........................................................230
	CHECKS AND ADJUSTMENTS.................................................240
	TRAVEL CIRCUIT.........................................................248
	ROTARY DISTRIBUTOR.....................................................252
	TRAVEL MOTOR (AXIAL PISTON MOTOR A2FM).................................254
	TRAVEL GEAR AND PARKING BRAKE..........................................258
	TRAVEL, FUNCTION.......................................................262
	ADJUSTMENTS / CHECKS...................................................268
SECTION 9 HYDRAULIC TRACK TENSION SYSTEM...................................273
	TABLE OF CONTENTS......................................................273
	HYDRAULIC TRACK TENSION SYSTEM.........................................275
	FUNCTION: Z 22281......................................................277
	PRESSURE INCREASING VALVE TYPE: MO 7010................................281
	PRESSURE RELIEF VALVE, DIRECT OPERATED TYPE: DBD S.....................283
	ADJUSTMENTS / PRESSURE CHECKS..........................................285
SECTION 10 ACCESS LADDER HYDRAULIC OPERATED................................292
	TABLE OF CONTENTS......................................................292
	ACCESS LADDER HYDRAULIC OPERATED.......................................294
SECTION 11 CENTRAL REFILLING SYSTEM........................................297
	TABLE OF CONTENTS......................................................297
	CENTRAL REFILLING SYSTEM...............................................297
SECTION 12 HINTS FOR THE HYDRAULIC CIRCUIT DIAGRAM.........................302
	TABLE OF CONTENTS......................................................302
	HINTS FOR READING THE CIRCUIT DIAGRAM..................................306
	LEGEND TO THE HYDRAULIC CIRCUIT DIAGRAM PC 3000, WITH DIESEL ENGINE....307
	PRESSURE CHECK POINTS..................................................312
	HOW TO READ THE CIRCUIT DIAGRAM........................................314
SECTION 13 HINTS FOR THE ELECTRIC CIRCUIT DIAGRAM..........................315
	TABLE OF CONTENTS......................................................315
	MARKINGS OF ELECTRICAL COMPONENTS IN THE CIRCUIT DIAGRAMS..............316
	SYMBOLS................................................................318
	KMG CIRCUIT DIAGRAMS...................................................322
	EXPLANATION OF THE DRAWING CONCEPT.....................................324
	LOCATION OF THE MAIN TERMINAL BOXES AND SOME IMPORTANT COMPONENTS......326
	READING A CIRCUIT DIAGRAM..............................................329
	ADJUSTMENTS............................................................332
	COMPONENT LIST.........................................................333
SECTION 14 ELECTRONIC TEXT MONITORING SYSTEM...............................338
	TABLE OF CONTENTS......................................................338
	INTRODUCTION...........................................................339
	FUNCTION...............................................................342
	LAYOUT OF DASH BOARD...................................................348
	TEXT MONITORING SYSTEM.................................................353
	EFD - MODULE, FUNCTION AND TROUBLE SHOOTING............................395
Hydraulic Plan 943 208 40 - 8 Pages........................................398
	Hydraulic Plan 943 208 40 Page 1 of 8..................................398
	Hydraulic Plan 943 208 40 Page 2 of 8..................................399
	Hydraulic Plan 943 208 40 Page 3 of 8..................................400
	Hydraulic Plan 943 208 40 Page 4 of 8..................................401
	Hydraulic Plan 943 208 40 Page 5 of 8..................................402
	Hydraulic Plan 943 208 40 Page 6 of 8..................................403
	Hydraulic Plan 943 208 40 Page 7 of 8..................................404
	Hydraulic Plan 943 208 40 Page 8 of 8..................................405
Electrical Plan 943 207 40 - 36 Pages......................................406
	Electrical Plan 943 207 40 Page 1 of 36................................406
	Electrical Plan 943 207 40 Page 2 of 36................................407
	Electrical Plan 943 207 40 Page 3 of 36................................408
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	Electrical Plan 943 207 40 Page 24 of 36...............................429
	Electrical Plan 943 207 40 Page 25 of 36...............................430
	Electrical Plan 943 207 40 Page 26 of 36...............................431
	Electrical Plan 943 207 40 Page 27 of 36...............................432
	Electrical Plan 943 207 40 Page 28 of 36...............................433
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	Electrical Plan 943 207 40 Page 34 of 36...............................439
	Electrical Plan 943 207 40 Page 35 of 36...............................440
	Electrical Plan 943 207 40 Page 36 of 36...............................441

PLEASE NOTE:

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