Komatsu Logging/Road Builder Excavator Excavator GALEO PC300LC-7E0, PC300HD-7E0, PC300LL-7E0 Repair Service Manual
Komatsu Logging/Road Builder Excavator Excavator GALEO PC300LC-7E0, PC300HD-7E0, PC300LL-7E0 Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Komatsu Logging/Road Builder Excavator Excavator GALEO PC300LC-7E0, PC300HD-7E0, PC300LL-7E0, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Komatsu Logging/Road Builder Excavator Excavator GALEO PC300LC-7E0, PC300HD-7E0, PC300LL-7E0 workshop service repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
PRODUCT DETAILS:
Total Pages: 2,466 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
CEBM016802 - Hydraulic Excavator GALEO PC300LC-7E0, PC300HD-7E0 Shop Manual.pdf
CEBM017800 - Logging_Road Builder Excavator GALEO PC300LL-7E0 Shop Manual.pdf
CEAM016902 - Hydraulic Excavator GALEO PC300LL-7E0, PC300HD-7E0 Operation & Maintenance Manual.pdf
CEAM017802 - Logging Excavator GALEO PC300LL-7E0 Operation & Maintenance Manual.pdf
MAIN SECTIONS
COVER...1
FOREWARD...2
CONTENTS...2
SAFETY...11
SAFETY NOTICE...11
IMPORTANT SAFETY NOTICE...11
GENERAL PRECAUTIONS...11
PREPARATIONS FOR WORK...11
PRECAUTIONS DURING WORK...11
GENERAL...13
HOW TO READ THE SHOP MANUAL...14
VOLUMES...14
DISTRIBUTION AND UPDATING...14
FILING METHOD...14
REVISED EDITION MARK...14
REVISIONS...14
SYMBOLS...14
HOISTING INSTRUCTIONS...15
HOISTING...15
WIRE ROPES...15
PUSH PULL COUPLER...16
TYPE 1...16
DISCONNECTION...16
CONNECTION...16
TYPE 2...17
DISCONNECTION...17
CONNECTION...17
TYPE 3...18
DISCONNECTION...18
CONNECTION...18
EXPLANATION OF MAINTENANCE STANDARD TERMS...19
STANDARD TIGHTENING TORQUE...21
BOLTS AND NUTS...21
TIGHTENING TORQUE OF HOSE NUTS...22
TIGHTENING TORQUE OF SPLIT FLANGE BOLTS...22
TIGHTENING TORQUE FOR FLARED NUTS...22
TIGHTENING TORQUES FOR O-RING BOSS PIPING JOINTS...23
TABLE OF TIGHTENING TORQUES FOR O-RING BOSS PLUGS...23
TORQUE TABLE FOR HOSES (TAPER SEAL TYPE AND FACE SEAL TYPE)...23
ELECTRIC WIRE CODE...24
CLASSIFICATION BY THICKNESS...24
CLASSIFICATION BY COLOR AND CODE...24
HOW TO READ ELECTRIC WIRE CODE...25
CONVERSION TABLES...28
METHOD OF USING THE CONVERSION TABLE...28
COATING MATERIALS...34
01 GENERAL...36
SPECIFICATIONS...37
DIMENSIONS...37
WORKING RANGES...38
SPECIFICATIONS...39
WEIGHT TABLE...41
FUEL, COOLANT, AND LUBRICANTS...43
10 STRUCTURE AND FUNCTION...45
ENGINE RELATED PARTS...50
RADIATOR . OIL COOLER . AFTERCOOLER...51
FINAL DRIVE...53
PC300LC-7E0 MODEL...53
PC300HD-7E0 MODEL...55
SPROCKET...57
PC300LC-7E0 MODEL...57
SPROCKET TOOL...58
PC300HD-7E0 MODEL...59
SPROCKET TOOL...60
SWING MACHINERY...61
SWING CIRCLE...63
TRACK FRAME . RECOIL SPRING...64
PC300LC-7E0...64
PC300HD-7E0...66
IDLER...68
PC300LC-7E0 MODEL...68
PC300HD-7E0 MODEL...70
CARRIER ROLLER...72
PC300LC-7E0 MODEL...72
PC300HD-7E0 MODEL...74
TRACK ROLLER...76
PC300LC-7E0 MODEL...76
PC300HD-7E0 MODEL...78
TRACK SHOE...80
PC300LC-7E0 MODEL...80
PC300HD-7E0 MODEL...83
TRIPLE GROUSER SHOE...86
PC300LC-7E0 MODEL...86
PC300HD-7E0 MODEL...87
HYDRAULIC EQUIPMENT...88
HYDRAULIC TANK AND FILTER...90
HYDRAULIC PUMP...91
HPV125 + 125...91
FUNCTION...94
STRUCTURE...94
OPERATION...95
LS VALVE...97
FUNCTION...97
OPERATION...98
PC VALVE...102
FUNCTION...102
OPERATION...103
OUTLINE...105
OPERATION...105
LS(PC)-EPC Valve...109
FUNCTION...110
OPERATION...110
VARIABLE VOLUME VALVE...112
FUNCTION...112
OPERATION...112
CONTROL VALVE...113
OUTLINE...113
CLSS...125
OUTLINE OF CLSS...125
FEATURES...125
STRUCTURE...125
BASIC PRINCIPLE...126
VALVE FUNCTIONS AND OPERATION...129
UNLOADER VALVE...131
FUNCTION...131
OPERATION...131
INTRODUCTION OF LS PRESSURE...133
FUNCTION...133
OPERATION...133
LS BYPASS VALVE...134
FUNCTION...134
PRESSURE COMPENSATION VALVE...135
FUNCTION...135
FUNCTION...136
OPERATION...136
FUNCTION...137
PRESSURE COMPENSATION VALVE INNER SHUTTLE...138
FUNCTION...138
OUTLINE...139
BOOM REGENERATION CIRCUIT...140
FUNCTION...140
OPERATION...140
FUNCTION...141
ARM REGENERATION CIRCUIT...142
FUNCTION...142
OPERATION...142
FUNCTION...143
MERGE-DIVIDER VALVE...144
FUNCTION...144
OPERATION...144
OPERATION...145
LS SELECT VALVE...146
FUNCTION...146
OPERATION...146
SELF PRESSURE REDUCING VALVE...147
FUNCTION...147
OPERATION...147
TRAVEL JUNCTION VALVE...150
FUNCTION...150
OPERATION...150
OPERATION...151
TRAVEL PPC SHUTTLE VALVE...152
FUNCTION...152
OPERATION...152
OPERATION...153
BOOM DRIFT PREVENTION VALVE...154
FUNCTION...154
OPERATION...154
OPERATION...155
OPERATION...156
ARM DRIFT PREVENTION VALVE...157
FUNCTION...157
OPERATION...157
OPERATION...158
OPERATION...159
QUICK RETURN VALVE...161
FUNCTION...161
OPERATION...161
OPERATION...162
LIFT CHECK VALVE...163
FUNCTION...163
OPERATION...163
MAIN RELIEF VALVE...164
FUNCTION...164
OPERATION...164
2-STAGE SAFETY-SUCTION VALVE...165
FUNCTION...165
OPERATION...165
VARIABLE PRESSURE COMPENSATION VALVE...167
FUNCTION...167
ATTACHMENT CIRCUIT SELECTOR VALVE...169
FUNCTION...170
OPERATION...170
VALVE CONTROL...171
PPC VALVE...172
WORK EQUIPMENT AND SWING PPC VALVE...172
OPERATION...174
TRAVEL PPC VALVE...176
PRESSURE REDUCING VALVE...179
OPERATION...179
OPERATION...181
SERVICE PPC VALVE...185
PPC ACCUMULATOR...187
SOLENOID VALVE...188
OPERATION...189
RETURN OIL FILTER...190
FOR BREAKER...190
CENTER SWIVEL JOINT...191
TRAVEL MOTOR...192
TYPE: HMV160ADT-3...192
OPERATION OF MOTOR...195
PARKING BRAKE (PC300LC-7E0)...197
BRAKE VALVE OPERATION...199
FUNCTION...199
TRAVEL MOTOR...201
TYPE: KMV200ADT-2...201
OPERATION OF MOTOR...205
PARKING BRAKE (PC300HD-7E0)...207
BRAKE VALVE OPERATION...209
FUNCTION...209
SAFETY VALVE...211
FUNCTION...211
SWING MOTOR...214
TYPE: KMF230ABE-5...214
SPECIFICATIONS...214
SWING HOLDING BRAKE...217
OPERATION...217
OPERATION...217
RELIEF VALVE PORTION...218
OUTLINE...218
FUNCTION...218
OPERATION...218
REVERSE PREVENTION VALVE...219
EXPLANATORY DRAWING OF EFFECTS...220
FUNCTION...221
OPERATION...221
HYDRAULIC CYLINDERS...222
BOOM CYLINDER...222
ARM CYLINDER...222
BUCKET CYLINDER...223
WORK EQUIPMENT PIVOT POINT MEASUREMENTS...224
BOSS BUSHING/PINS...224
DIMENSION OF ARM...226
DIMENSION OF BUCKET...228
CAB AND ATTACHMENTS...230
AIR CONDITIONER PIPING...230
ELECTRICAL SYSTEM...231
ENGINE CONTROL...231
OUTLINE...231
OPERATION OF SYSTEM...232
ELECTRONIC COMPONENTS...233
FUEL CONTROL DIAL...233
FUNCTION...233
ENGINE CONTROLLER...234
COOLANT TEMPERATURE SENSOR...238
OIL PRESSURE SWITCH...238
ENGINE SPEED SENSOR...239
BOOST PRESSURE AND TEMPERATURE SENSOR...239
WIF (WATER-IN-FUEL DETECTION) SENSOR...240
ENGINE OIL LEVEL SENSOR...240
ELECTRONIC CONTROL SYSTEM...241
CONTROL FUNCTION...241
SYSTEM DIAGRAM...242
ENGINE AND PUMP CONTROL FUNCTION...244
PUMP AND VALVE CONTROL...248
LS CONTROL FUNCTION...249
CUT-OFF FUNCTION...249
2-STAGE RELIEF FUNCTION...249
POWER MAXIMIZING AND MACHINE PUSH-UP...250
AUTO-DECELERATION...252
OPERATION...252
AUTO-WARM-UP AND OVERHEAT PREVENTION...253
SWING CONTROL...255
TRAVEL CONTROL...257
ATTACHMENT FLOW CONTROL AND CIRCUIT SELECTOR (IF EQUIPPED)...259
SYSTEM COMPONENTS...260
PPC OIL PRESSURE SWITCH...260
FUNCTION...260
OIL PRESSURE SENSOR...261
OPERATION...261
PUMP PRESSURE SENSOR (HIGH PRESSURE)...262
OPERATION...262
PUMP CONTROLLER...263
MONITOR SYSTEM...267
MACHINE MONITOR...268
OUTLINE...268
MONITOR CONTROL AND DISPLAY...271
MONITOR...271
DISPLAY...272
SWITCHES...276
BRIGHTNESS, CONTRAST ADJUSTMENT...284
SERVICE METER CHECK FUNCTION...285
DISPLAY LCD CHECK FUNCTION...285
USER CODE DISPLAY FUNCTION...286
SENSOR...288
HYDRAULIC OIL LEVEL SENSOR...288
HYDRAULIC OIL AND COOLANT TEMPERATURE SENSOR...288
FUEL LEVEL SENSOR...289
AIR CLEANER CLOGGING SENSOR...290
KOMTRAX TERMINAL SYSTEM...291
KOMTRAX TERMINAL...292
20 TESTING, ADJUSTING AND TROUBLESHOOTING...295
TESTING AND ADJUSTING...297
STANDARD VALUE TABLES...297
ENGINE RELATED...297
CHASSIS RELATED...298
SERVICE TOOLS...306
ENGINE SERVICE TOOLS...306
CHASSIS SERVICE TOOLS...307
ENGINE...308
AIR BOOST PRESSURE...308
AIR COMPRESSOR BELT TENSION...308
BLOW-BY PRESSURE...308
COMPRESSION PRESSURE...308
ENGINE OIL PRESSURE...308
ENGINE RPM...308
ENGINE SPEED...308
EXHAUST GAS COLOR...308
FUEL INJECTION TIMING...308
VALVE CLEARANCE...308
MEASURING ENGINE FUNCTIONS...309
MEASURE ENGINE SPEED WITH MACHINE MONITOR...309
PREPARATION...309
MEASURING LOW IDLE SPEED...309
MEASURING HIGH IDLE SPEED...309
MEASURING THE ENGINE SPEED WHEN 2-PUMPS ARE RELIEVED...309
MEASURING THE ENGINE SPEED AT 2-PUMP RELIEF AND POWER MAXIMIZING (NEAR RATED SPEED)...309
MEASURING THE SPEED WHEN AUTO-DECELERATION SPEED IS IN OPERATION...309
CYLINDER CUT-OUT OPERATION...310
NO INJECTION CRANKING OPERATION...310
CHECK AND ADJUST REFRIGERANT COMPRESSOR BELT...311
INSPECTION...311
ADJUSTMENT...311
MEASURING SWING CIRCLE BEARING CLEARANCE...312
CHECK AND ADJUST TRACK SHOE TENSION...313
INSPECTION...313
ADJUSTMENt...313
CHECK AND ADJUST OIL PRESSURE IN WORK EQUIPMENT, SWING AND TRAVEL CIRCUIT...314
MEASURING...314
ADJUSTING...316
CHECKING CONTROL CIRCUIT OIL PRESSURE...319
MEASURING...319
CHECK AND ADJUST PUMP PC CONTROL CIRCUIT OIL PRESSURE...320
MEASURING...320
ADJUSTING...322
CHECK AND ADJUST PUMP LS CONTROL CIRCUIT OIL PRESSURE...323
MEASURING...323
ADJUSTING...327
MEASURING SOLENOID VALVE OUTPUT PRESSURE...328
MEASURING PPC VALVE OUTPUT PRESSURE...332
ADJUSTING PLAY IN WORK EQUIPMENT AND SWING PPC VALVES...333
TROUBLESHOOTING HYDRAULIC DRIFT IN WORK EQUIPMENT...334
INSPECTION OF BOOM AND BUCKET CYLINDERS...334
INSPECTION OF ARM CYLINDER...334
INSPECTION OF BOOM LOCK VALVE...335
INSPECTION OF PPC VALVE...335
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT...336
MEASURING OIL LEAKAGE AMOUNT...336
BLEEDING AIR FROM VARIOUS SYSTEMS...339
DIODE INSPECTION PROCEDURES...341
SPECIAL FUNCTIONS OF MACHINE MONITOR...342
ORDINARY AND SPECIAL FUNCTIONS OF MACHINE MONITOR...343
