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Komatsu PC240LC-11 Shop Manual page 5

Hydraulic excavator
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00 INDEX AND FOREWORD
COMPONENT PARTS OF ENGINE SYSTEM ............................................................................... 10-56
COOLING SYSTEM.............................................................................................................................. 10-73
LAYOUT DRAWING OF COOLING SYSTEM ................................................................................ 10-73
CONTROL SYSTEM............................................................................................................................. 10-75
LAYOUT DRAWING OF CONTROL SYSTEM ............................................................................... 10-75
MACHINE MONITOR SYSTEM ..................................................................................................... 10-78
KOMTRAX SYSTEM...................................................................................................................... 10-79
COMPONENT PARTS OF CONTROL SYSTEM............................................................................ 10-80
HYDRAULIC SYSTEM.........................................................................................................................10-109
LAYOUT DRAWING OF HYDRAULIC SYSTEM ...........................................................................10-109
CLSS ............................................................................................................................................10-115
ENGINE AND PUMP COMBINED CONTROL SYSTEM...............................................................10-133
PUMP AND VALVE CONTROL SYSTEM .....................................................................................10-139
COMPONENT PARTS OF HYDRAULIC SYSTEM .......................................................................10-142
WORK EQUIPMENT SYSTEM ............................................................................................................10-229
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM ..............................................................10-229
STRUCTURE OF VALVE CONTROL............................................................................................10-234
PPC LEVERS (IF EQUIPPED)....................................................................................................10-235-1
ONE-TOUCH POWER MAXIMIZING SYSTEM ............................................................................10-236
PPC LOCK SYSTEM ....................................................................................................................10-238
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM ..............................................10-239
OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT.................................................................10-241
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM ...........................................................10-243
SWING SYSTEM .................................................................................................................................10-266
LAYOUT DRAWING OF SWING SYSTEM ...................................................................................10-266
SWING CONTROL SYSTEM DIAGRAM ......................................................................................10-270
COMPONENT PARTS OF SWING SYSTEM................................................................................10-274
TRAVEL SYSTEM................................................................................................................................10-288
LAYOUT DRAWING OF TRAVEL SYSTEM ..................................................................................10-288
TRAVEL CONTROL SYSTEM DIAGRAM .....................................................................................10-292
COMPONENT PARTS OF TRAVEL SYSTEM ..............................................................................10-294
UNDERCARRIAGE AND FRAME........................................................................................................10-315
LAYOUT DRAWING OF UNDERCARRIAGE ................................................................................10-315
WORK EQUIPMENT............................................................................................................................10-317
STRUCTURE OF WORK EQUIPMENT ........................................................................................10-317
FUNCTION OF WORK EQUIPMENT ...........................................................................................10-318
WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM............................................................10-319
BUCKET CLEARANCE ADJUSTMENT SHIM ..............................................................................10-320
CAB AND ITS ATTACHMENTS ...........................................................................................................10-321
ROPS CAB ...................................................................................................................................10-321
CAB MOUNT ................................................................................................................................10-322
CAB TIPPING STOPPER .............................................................................................................10-323
20 STANDARD VALUE TABLE ...................................................................................................................... 20-1
CONTENTS ............................................................................................................................................ 20-2
STANDARD VALUE TABLE FOR ENGINE ............................................................................................. 20-3
STANDARD VALUE TABLE FOR ENGINE: PC240LC-11 ................................................................ 20-3
STANDARD VALUE TABLE FOR MACHINE........................................................................................... 20-7
STANDARD VALUE TABLE FOR MACHINE: PC240LC-11 ............................................................. 20-7
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE ......................... 20-20
STANDARD VALUE TABLE FOR ELECTRICAL ................................................................................... 20-24
STANDARD VALUE TABLE FOR ELECTRICAL ............................................................................ 20-24
30 TESTING AND ADJUSTING ..................................................................................................................... 30-1
CONTENTS ............................................................................................................................................ 30-2
RELATED INFORMATION ON TESTING AND ADJUSTING .................................................................. 30-5
TOOLS FOR TESTING AND ADJUSTING....................................................................................... 30-5
SKETCH OF TOOLS FOR TESTING AND ADJUSTING ................................................................30-11
ENGINE AND COOLING SYSTEM....................................................................................................... 30-13
TEST ENGINE SPEED .................................................................................................................. 30-13
TEST BOOST PRESSURE............................................................................................................ 30-16
PC240LC-11
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INDEX
00-3

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