Komatsu Hydraulic Excavator PC300-3, PC300LC-3, PC300-5 (Mighty), PC300LC-5(K) (Mighty), PC300HD-5, PC300LC-5, PC360LC-3, PC400-5 (Mighty), PC400LC-5 (Mighty), PC400HD-5 Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Komatsu Hydraulic Excavator PC300-3, PC300LC-3, PC300-5 (Mighty), PC300LC-5(K) (Mighty), PC300HD-5, PC300LC-5, PC360LC-3, PC400-5 (Mighty), PC400LC-5 (Mighty), PC400HD-5, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Komatsu Hydraulic Excavator PC300-3, PC300LC-3, PC300-5 (Mighty), PC300LC-5(K) (Mighty), PC300HD-5, PC300LC-5, PC360LC-3, PC400-5 (Mighty), PC400LC-5 (Mighty), PC400HD-5 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: 2,194 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
CEBM207041 - Excavators PC300LC-5 with KDC 614TA & PC400LC-5 with Cummins LTA-10C Engine Shop Manual.pdf
CEBM207077 - Hydraulic Excavator PC300-5 (Mighty), PC300LC-5(K) (Mighty), PC300HD-5, PC300LC-5 & PC400-5 (Mighty), PC400LC-5 (Mighty), PC400HD-5 Shop Manual.pdf
SEBM02070308 - Hydraulic Excavator PC300-3, PC300LC-3, PC360LC-3 Shop Manual.pdf
MAIN SECTIONS
CEBM207041 - Excavators PC300LC-5 with KDC 614TA & PC400LC-5 with Cummins LTA-10C Engine Shop Manual.....2
CONTENTS.....10
01 GENERAL.....20
GENERAL VIEW - PC300LG5, PC400LG5.....22
MACHINE DIMENSIONS - PC300LG5.....23
WORKING RANGE DIMENSIONS - PC300LC-5.....24
MACHINE SPECIFICATIONS - PC300LG5.....25
MACHINE DIMENSIONS - PC400LC-5.....27
WORKING RANGE DIMENSIONS - PC400LC-5.....28
MACHINE SPECIFICATIONS - PC400LC-5.....29
WEIGHT TABLE.....31
REFILL SPECIFICATIONS AND CAPACITIES.....33
PC300LC-5.....33
PC400LC-5.....34
10 STRUCTURE AND FUNCTION.....42
ENGINE RELATED PARTS AND ENGINE MOUNT PC300LC .....45
ENGINE RELATED PARTS AND ENGINE MOUNT PC400LC .....46
RADIATOR AND OIL COOLER PC300LC .....47
RADIATOR AND OIL COOLER PC400LC .....48
FUEL TANK AND PIPING PC300LC .....49
FUEL TANK AND PIPING PC400LC .....50
POWER TRAIN .....51
FINAL DRIVE PC300LC .....52
FINAL DRIVE PC400LC .....53
SWING CIRCLE PC300LC .....54
SWING CIRCLE PC400LC .....55
SWING MACHINERY PC300LC .....56
SWING MACHINERY PC400LC .....57
TRACK FRAME AND RECOIL SPRING PC300LC .....58
TRACK FRAME AND RECOIL SPRING PC400LC .....59
IDLER PC300LC .....60
IDLER PC400LC .....61
TRACK ROLLER .....62
CARRIER ROLLER .....62
TRACK SHOE PC300LC .....63
TRACK SHOE PC400LC .....64
HYDRAULIC PIPING .....66
HYDRAULIC CIRCUIT DIAGRAM .....68
HYDRAULIC TANK PC300LC .....70
HYDRAULIC TANK PC400LC .....71
OLSS (Open Center Load Sensing System) .....72
HYDRAULIC PUMP .....74
LINE OIL FILTER .....93
CONTROL VALVE .....95
SWING MOTOR .....107
CENTER SWIVEL JOINT .....110
TRAVEL MOTOR PC300LC .....111
TRAVEL MOTOR PC400LC .....113
VALVE CONTROL .....120
PPC VALVE .....121
ACCUMULATOR .....127
SAFETY LOCK VALVE .....127
SOLENOID VALVE ASSEMBLY .....128
SHUTTLE VALVE .....132
BOOM HOLDING VALVE .....133
HYDRAULIC CYLINDER .....136
WORK EQUIPMENT .....139
ELECTRICAL WIRING DIAGRAM PC300LC .....141
ELECTRICAL WIRING DIAGRAM PC400LC .....143
ELECTRICAL CIRCUIT DIAGRAM PC300LC .....146
ELECTRICAL CIRCUIT DIAGRAM PC400LC .....150
ENGINE CONTROL SYSTEM PC300LC (S/N A30001 THRU A30110, A30112 AND A30114 THRU A30116).....154
ENGINE CONTROL SYSTEM PC300LC (S/N A30111, A30113 AND A30117 AND UP).....155
ENGINE CONTROL SYSTEM PC400LC .....157
PEMC SYSTEM .....169
EMACC (ELECTRONIC MONITOR AND CONTROL CONSOLE) .....198
20 TESTING AND ADJUSTING .....208
TABLE OF JUDGEMENT STANDARD VALUE .....209
STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM .....234
TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING .....246
ADJUSTING TRAVEL OF GOVERNOR MOTOR LEVER .....247
ADJUSTING ENGINE SPEED SENSOR .....248
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING AND TRAVEL CIRCUIT .....249
TESTING AND ADJUSTING CHARGING PUMP PRESSURE .....252
TESTING AND ADJUSTING MAIN PUMP CONTROL PRESSURE .....254
TESTING AND ADJUSTING TRAVEL DEVIATION .....261
MEASURING STROKE OF SERVO PISTON .....264
MEASURING OUTPUT PRESSURE OF PPC VALVE .....265
ADJUSTING WORK EQUIPMENT AND SWING PPC VALVE .....266
TESTING PPC SHUTTLE VALVE .....267
MEASURING SOLENOID VALVE OUTLET PORT PRESSURE .....268
TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT .....269
BLEEDING AIR .....271
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT.....273
TROUBLESHOOTING .....274
POINTS TO REMEMBER WHEN TROUBLESHOOTING .....276
SEQUENCE OF EVENTS IN TROUBLESHOOTING .....277
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE .....278
HANDLING CONNECTORS - YAZAKI TYPE CONNECTOR.....283
HANDLING CONNECTORS - PACKARD COMPANY CONNECTOR.....284
CHECKS BEFORE TROUBLESHOOTING.....287
ELECTRICAL CIRCUIT DIAGRAM - ENGINE THROTTLE CONTROLLER SYSTEM (PC300LC).....288
ELECTRICAL CIRCUIT DIAGRAM - ENGINE THROTTLE CONTROLLER SYSTEM (PC400LC).....289
PUMP CONTROLLER SYSTEM - PC300LC.....290
PUMP CONTROLLER SYSTEM - PC400LC.....291
MONITOR SYSTEM - PC300LC.....292
MONITOR SYSTEM - PC400LC.....293
POSITION OF CONNECTORS FOR TROUBLESHOOTING TABLE - PC300LC .....294
POSITION OF CONNECTORS FOR TROUBLESHOOTING - PC300LC .....296
POSITION OF CONNECTORS FOR TROUBLESHOOTING TABLE - PC400LC .....298
POSITION OF CONNECTORS FOR TROUBLESHOOTING - PC400LC .....300
CONNECTION TABLE FOR CONNECTOR (N-SLC TYPE).....302
CONNECTION TABLE FOR CONNECTOR (M TYPE).....303
CONNECTION TABLE FOR CONNECTOR (S TYPE).....305
CONNECTION TABLE FOR CONNECTOR (AMP040 TYPE).....306
CONNECTION TABLE FOR CONNECTOR (SWP TYPE).....307
CONNECTION TABLE FOR CONNECTOR (MIC TYPE).....308
CONNECTION TABLE FOR CONNECTOR (X TYPE).....309
CONNECTION TABLE FOR CONNECTOR .....310
EXPLANATION OF THE FUNCTIONS OF THE CONTROL MECHANISM OF THE ELECTRICAL SYSTEM .....311
DISPLAY METHOD FOR MONITOR PANEL, PUMP CONTROLLER AND ENGINE THROTTLE CONTROLLER .....314
ACTION OF SELF-DIAGNOSTIC FUNCTION AND SYMPTONS ON MACHINE - ENGINE THROTTLE CONTROLLER SYSTEM.....318
ACTION OF SELF-DIAGNOSTIC FUNCTION AND SYMPTOMS ON MACHINE - PUMP CONTROLLER SYSTEM.....320
METHOD OF USING JUDGEMENT TABLE .....324
METHOD OF USING TROUBLESHOOTING CHARTS .....326
TROUBLESHOOTING OF ENGINE CONTROLLER SYSTEM (E-MODE).....328
ENGINE THROTTLE CONTROLLER OR IN ENGINE RELATED PARTS .....330
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING ON ENGINE THROTTLE CONTROLLER SYSTEM .....332
E-1 [ABNORMALITY IN POWER SOURCE SYSTEM OR CONTROLLER] IS DISPLAYED (ALL LAMPS OFF) .....333
E-2 [SHORT CIRCUIT IN GOVERNOR MOTOR] IS DISPLAYED. .....335
E-3 [DISCONNECTION IN WIRING HARNESS OF GOVERNOR MOTOR] IS DISPLAYED.....336
E-4 [ABNORMALITY IN GOVERNOR POTENTIOMETER] IS DISPLAYED.....337
E-5 [ABNORMALITY IN FUEL CONTROL DIAL] IS DISPLAYED .....339
E-6 [ABNORMALITY IN NO.2 THROTTLE SIGNAL] IS DISPLAYED.....341
E-7 ENGINE DOES NOT START .....343
E-7 ENGINE DOES NOT START (PC300LC).....345
E-7 ENGINE DOES NOT START (PC400LC).....346
E-8 ENGINE ROTATION IS IRREGULAR .....347
E-9 LACK OF OUTPUT POWER (MAX. ENGINE SPEED IS TOO LOW) .....351
E-10 ENGINE DOES NOT STOP (PC300LC).....353
E-10 ENGINE DOES NOT STOP (PC400LC).....354
E-l 1 AUTOMATIC WARMING-UP OPERATION IS DEFECTIVE .....355
TROUBLESHOOTING OF PUMP SYSTEM (C MODE).....356
CHART FOR DISTINGUISHING IF FAILURE IS IN PUMP CONTROLLER OR IN HYDRAULIC RELATED PARTS .....358
C-1 [OFF] SELF-DIAGNOSTIC DISPLAY OF CONTROLLER DOES NOT LIGHT UP.....360
C-2 [SHORT CIRCUIT IN 2-STAGE RELIEF SOLENOID VALVE SYSTEM] IS DISPLAYED .....361
C-3 [SHORT CIRCUIT IN ARM HALF FLOW SOLENOID VALVE SYSTEM] IS DISPLAYED.....362
C-4 [SHORT CIRCUIT IN SWING BRAKE SOLENOID VALVE SYSTEM] IS DISPLAYED.....363
C-5 [SHORT CIRCUIT IN TRAVEL SPEED SOLENOID VALVE SYSTEM] IS DISPLAYED.....364
C-6 [SHORT CIRCUIT IN CO CANCEL SOLENOID VALVE SYSTEM] IS DISPLAYED.....365
C-7 [SHORT CIRCUIT IN TVC SOLENOID SYSTEM (1)] IS DISPLAYED .....366
C-8 [SHORT CIRCUIT IN TVC SOLENOID VALVE SYSTEM (2)] IS DISPLAYED.....367
C-9 [DISCONNECTION IN 2-STAGE RELIEF SOLENOID VALVE SYSTEM] IS DISPLAYED.....368
C-10 [DISCONNECTION IN ARM HALF FLOW SOLENOID VALVE SYSTEM] IS DISPLAYED.....369
C-11 [DISCONNECTION IN SWING BRAKE SOLENOID VALVE SYSTEM] IS DISPLAYED.....370
C-12 [DISCONNECTION IN TRAVEL SPEED SOLENOID VALVE SYSTEM] IS DISPLAYED.....371
C-13 [DISCONNECTION IN CO CANCEL SOLENOID VALVE SYSTEM] IS DISPLAYED.....372
C-14 [DISCONNECTION IN TVC SOLENOID VALVE SYSTEM] IS DISPLAYED .....373
C-15 [ABNORMALITY IN NO.2 THROTTLE SIGNAL SYSTEM] IS DISPLAYED .....374
C-16 [ ABNORMALITY IN THROTTLE SIGNAL SYSTEM] IS DISPLAYED .....375
C-17 [ABNORMALITY IN FRONT PUMP PRESSURE SENSOR SIGNAL SYSTEM] IS DISPLAYED.....377
C-18 [ABNORMALITY IN REAR PUMP PRESSURE SENSOR SIGNAL SYSTEM] IS DISPLAYED.....379
C-19 [ABNORMALITY IN PRESSURE SENSOR POWER SOURCE SYSTEM] IS DISPLAYED.....381
C-20 [ABNORMALITY IN ENGINE SPEED SENSOR SYSTEM] IS DISPLAYED .....383
C-21 [ABNORMALITY IN AUTO-DECELERATION SIGNAL OUTPUT SYSTEM] IS DISPLAYED.....384
C-22 [ABNORMALITY IN OVERHEAT SIGNAL SYSTEM] IS DISPLAYED .....385
C-23 [CONTROLLER ABNORMAL SYSTEM] IS DISPLAYED.....386
TROUBLESHOOTING OF PUMP CONTROLLER INPUT SIGNAL SYSTEM (F MODE).....388
F-1 PUMP CONTROLLER MONITOR DOES NOT DISPLAY [WORK EQUIPMENT SWING OIL PRESSURE SWITCH].....389
F-2 PUMP CONTROLLER MONITOR DOES NOT DISPLAY [TRAVEL OIL PRESSURE SWITCH].....390
F-3 PUMP CONTROLLER MONITOR DOES NOT DISPLAY [SWING LOCK SWITCH].....391
F-4 PUMP CONTROLLER MONITOR DOES NOT DISPLAY [TRAVEL SPEED SWITCH].....392
F-5 PUMP CONTROLLER MONITOR DOES NOT DISPLAY [AUTO-DECELERATION SWITCH].....393
F-6 PUMP CONTROLLER MONITOR DOES NOT DISPLAY [POWER MAXIMIZING SWITCH].....394
F-7 PUMP CONTROLLER MONITOR DOES NOT DISPLAY [DECIMAL POINT OF ENGINE SPEED SENSOR].....395
F-8 PUMP CONTROLLER WORKING MODE DISPLAY DOES NOT SWITCH.....396
F-9 PUMP CONTROLLER POWER SET DISPLAY DOES NOT SWITCH .....397
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H-MODE).....398
H-1 SPEEDS OF WORK EQUIPMENT, TRAVEL AND SWING ARE ALL SLOW .....399
H-2 THERE IS EXCESSIVE DROP IN ENGINE SPEED OR ENGINE STALLS .....401
H-3 WORK EQUIPMENT, TRAVEL AND SWING DO NOT MOVE OR SPEED IS EXTREMELY SLOW .....403
H-4 WORK EQUIPMENT, TRAVEL AND SWING LACK POWER .....405
H-5 POWER SET SELECTION SYSTEM DOES NOT SWITCH.....405
H-6 ABNORMAL NOISE GENERATED (FROM AROUND PUMP) .....406
H-7 AUTO-DECELERATION DOES NOT WORK .....406
H-8 BOOM AND ARM SPEED IS EXTREMELY SLOW .....407
H-9 WORK EQUIPMENT (BOOM, ARM AND BUCKET) SPEED IS SLOW .....409
H-10 WHEN BOOM AND ARM IS OPERATED SIMULTANEOUSLY, BOOM IS SLOW.....411
H-11 WORK EQUIPMENT (BOOM, ARM AND BUCKET) LACKS POWER .....411
H-12 EXCESSIVE HYDRAULIC DRIFT .....411
H-13 EXCESSIVE TIME LAG .....413
H-14 DOES NOT ENTER F.O. MODE (HALF FLOW FUNCTION) .....413
H-15 WHEN ARM AND SWING ARE OPERATED SIMULTANEOUSLY, ARM IS SLOW .....413
H-16 WHEN MACHINE IS TRAVELING, IT DEVIATES NATURALLY TO ONE SIDE .....415
H-17 EXCESSIVE DEVIATION DURING COMPOUND OPERATIONS .....418
H-18 EXCESSIVE DEVIATION WHEN STARTING .....419
H-I9 TRAVEL LACKS POWER (OR SPEED IS SLOW) .....421
H-20 TRAVEL SPEED DOES NOT SWITCH .....421
H-21 MACHINE DOES NOT MOVE (ONE SIDE ONLY) .....422
H-22 DOES NOT SWING .....423
H-23 SWING SPEED IS SLOW OR ACCELERATION IS POOR .....425
H-24 EXCESSIVE OVERRUN WHEN STOPPING SWING .....426
H-25 EXCESSIVE SHOCK WHEN STOPPING SWING .....426
H-26 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING .....427
H-27 EXCESSIVE HYDRAULIC DRIFT OF SWING .....427
H-28 WHEN OPERATED SIMULTANEOUSLY WITH ARM, SWING SPEED IS SLOW .....427
TABLE OF FAILURE MODES AND CAUSES .....428
TROUBLESHOOTING OF MONITOR SYSTEM (P-MODE).....430
P-1 MONITOR PANEL LAMPS DO NOT LIGHT UP FOR 3 SECONDS WHEN STARTING SWITCH IS TURNED ON .....432
P-2 MONITOR PANEL LAMPS ALL LIGHT UP WHEN STARTING SWITCH IS TURNED ON BUT DO NOT GO OUT .....433
P-3 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CHECK ITEMS FLASH (LEVELS FOR CHECK ITEMS ARE AS SPECIFIED) .....434
P-4 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED, CHECK ITEMS FLASH .....437
P-5 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CAUTION ITEMS FLASH .....438
P-6 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED, CAUTION ITEMS FLASH (WHEN THERE IS NO ABNORMALITY IN CHECK ITEMS OR ENGINE) .....439
P-7(a) WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), BUZZER DOES NOT SOUND FOR 1 SECOND CAUTION ITEM IS FLASHING BUT BUZZER DOES NOT SOUND.....442
P-7(b) THERE IS NO ABNORMALITY DISPLAY ON THE MONITOR BUT THE BUZZER SOUNDS .....442
P-8 PANEL LIGHTING OF MONITOR PANEL DOES NOT LIGHT UP (LIQUID CRYSTAL DISPLAY IS NORMAL) .....443
P-9 COOLANT TEMPERATURE SHOWS ABNORMALITY LOW TEMPERATURE .....444
P-10 COOLANT TEMPERATURE GAUGE GIVES NO DISPLAY (DURING OPERATION, NO LEVEL OF GAUGE IS DISPLAYED).....444
P-11 FUEL GAUGE ALWAYS DISPLAYS FULL .....445
P-12 FUEL GAUGE GIVES NO DISPLAY .....445
P-13(a) LAMPS DO NOT LIGHT UP .....447
P-13(b) LAMPS LIGHT UP EVEN WHEN LAMP SWITCH IS NOT OPERATED .....447
P-14(a) WIPERS DO NOT WORK .....449
P-14(b) WIPERS WORK EVEN WHEN WIPER SWITCH IS NOT OPERATED .....449
P-15(a) FAN DOES NOT WORK .....451
P-15(b) FAN WORKS EVEN WHEN FAN SWITCH IS NOT OPERATED.....451
P-16 WORKING MODE DOES NOT SWITCH .....453
P-17 POWER SET DOES NOT SWITCH .....454
P-18 AUTO-DECELERATION DOES NOT SWITCH (DOES NOT ENTER AUTO-DECELERATION: AUTO-DECELERATION IS NOT CANCELED) .....455
P-19 TRAVEL SPEED DOES NOT SWITCH BETWEEN HI AND LO .....456
P-20 WARMING-UP OPERATION IS NOT CARRIED OUT BELOW 3OC, OR WARMING-UP OPERATION IS NOT CANCELED EVEN WHEN TEMPERATURE GOES ABOVE 30C .....457
P-21 EVEN WHEN SWING LOCK SWITCH IS TURNED ON (LOCK), SWING LOCK LAMP ON MONITOR PANEL DOES NOT LIGHT UP .....458
P-22 FUEL LEVEL SENSOR SYSTEM DEFECTIVE .....459
P-23 COOLANT TEMPERATURE SENSOR SYSTEM DEFECTIVE .....460
P-24 ENGINE OIL LEVEL SENSOR SYSTEM DEFECTIVE.....461
P-25 COOLANT LEVEL SENSOR SYSTEM DEFECTIVE .....462
P-26 HYDRAULIC OIL LEVEL SENSOR SYSTEM DEFECTIVE .....463
30 DISASSEMBLY AND ASSEMBLY.....464
METHOD OF USING MANUAL .....468
PRECAUTIONS WHEN CARRYING OUT OPERATION .....469
SPECIAL TOOL LIST PC300LC .....471
SPECIAL TOOL LIST PC400LC .....474
WEIGHT TABLE .....477
TIGHTENING TORQUES AND STANDARD VALUES TABLE .....478
LUBRICANT AND COOLANT TABLE .....484
REMOVAL OF GOVERNOR MOTOR ASSEMBLY .....485
REMOVAL OF HYDRAULIC COOLER ASSEMBLY.....487
INSTALLATION OF HYDRAULIC COOLER ASSEMBLY .....487
REMOVAL OF HYDRAULIC COOLER ASSEMBLY.....487
INSTALLATION OF HYDRAULIC COOLER ASSEMBLY .....487
REMOVAL OF RADIATOR, HYDRAULIC OIL COOLER .....489
INSTALLATION OF RADIATOR, HYDRAULIC OIL COOLER ASSEMBLY.....489
REMOVAL OF ENGINE, HYDRAULIC PUMP ASSEMBLY.....491
INSTALLATION OF ENGINE, HYDRAULIC PUMP ASSEMBLY.....491
REMOVAL OF ENGINE, HYDRAULIC PUMP ASSEMBLY .....493
INSTALLATION OF ENGINE, HYDRAULIC PUMP ASSEMBLY .....493
REMOVAL OF DAMPER ASSEMBLY .....495
INSTALLATION OF DAMPER ASSEMBLY .....495
REMOVAL OF CENTER SWIVEL JOINT ASSEMBLY.....497
INSTALLATION OF CENTER ASSEMBLY SWIVEL JOINT.....497
DISASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY.....497
ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY .....497
REMOVAL OF FINAL DRIVE DRIVE ASSEMBLY .....499
INSTALLATION OF FINAL DRIVE ASSEMBLY.....499
DISASSEMBLY OF FINAL DRIVE ASSEMBLY .....499
ASSEMBLY OF FINAL DRIVE ASSEMBLY .....503
DISASSEMBLY OF TRAVEL MOTOR ASSEMBLY (HMV280ADT) (HMV355ADT) .....507
ASSEMBLY OF TRAVEL MOTOR ASSEMBLY (HMV280ADT) (HMV355ADT) .....512
REMOVAL OF SPROCKET.....521
INSTALLATION OF SPROCKET.....521
REMOVAL OF SWING MOTOR ASSEMBLY .....521
INSTALLATION OF SWING MOTOR ASSEMBLY .....521
DISASSEMBLY OF SWING MOTOR ASSEMBLY (KMF160) .....523
ASSEMBLY OF SWING MOTOR ASSEMBLY (KMFI 60) .....526
REMOVAL OF SWING MACHINERY ASSEMBLY.....531
INSTALLATION OF SWING MACHINERY ASSEMBLY.....531
REMOVAL OF SWING MACHINERY ASSEMBLY.....531
INSTALLATION OF SWING MACHINERY ASSEMBLY .....531
DISASSEMBLY OF SWING MACHINERY ASSEMBLY .....533
ASSEMBLY OF SWING MACHINERY ASSEMBLY .....535
REMOVAL OF REVOLVING FRAME ASSEMBLY .....541
INSTALLATION OF REVOLVING FRAME ASSEMBLY .....541
REMOVAL OF SWING CIRCLE ASSEMBLY .....543
INSTALLATION OF SWING CIRCLE ASSEMBLY.....543
REMOVAL OF IDLER, RECOIL SPRING ASSEMBLY.....543
INSTALLATION OF IDLER, RECOIL SPRING ASSEMBLY .....543
DISASSEMBLY OF RECOIL SPRING ASSEMBLY.....545
ASSEMBLY OF RECOIL SPRING ASSEMBLY.....545
REMOVAL OF TRACK ROLLER ASSEMBLY.....547
INSTALLATION OF TRACK ROLLER ASSEMBLY .....547
REMOVAL OF CARRIER ROLLER ASSEMBLY.....547
INSTALLATION OF CARRIER ROLLER ASSEMBLY.....547
REMOVAL OF TRACK SHOE ASSEMBLY.....549
INSTALLATION OF TRACK SHOE ASSEMBLY.....549
REMOVAL OF CHARGING PUMP ASSEMBLY.....549
INSTALLATION OF CHARGING PUMP ASSEMBLY .....549
REMOVAL OF HYDRAULIC PUMP ASSEMBLY .....551
INSTALLATION OF HYDRAULIC PUMP ASSEMBLY.....551
REMOVAL OF HYDRAULIC PUMP ASSEMBLY.....551
DISASSEMBLY OF HYDRAULIC PUMP ASSEMBLY (HPV160+160) .....553
ASSEMBLY OF HYDRAULIC PUMP ASSEMBLY (HPV160+160) .....560
CHECKING CONTACT BETWEEN CYLINDER BLOCKAND VALVE PLATE, AND ROCKER CAM AND CRADLE.....574
REMOVAL OF HYDRAULIC PUMP INPUT SHAFT OIL SEAL .....577
INSTALLATION OF HYDRAULIC PUMP INPUT SHAFT OIL SEAL .....577
REMOVAL OF CONTROL VALVE ASSEMBLY.....579
INSTALLATION OF CONTROL VALVE ASSEMBLY.....579
DISASSEMBLY OF CONTROL VALVE ASSEMBLY .....581
ASSEMBLY OF CONTROL VALVE ASSEMBLY .....583
REMOVAL OF MAIN RELIEF VALVE ASSEMBLY .....585
INSTALLATION OF MAIN RELIEF VALVE ASSEMBLY.....585
DISASSEMBLY OF MAIN RELIEF VALVE ASSEMBLY.....585
ASSEMBLY OF MAIN RELIEF VALVE ASSEMBLY .....585
REMOVAL OF TVC VALVE ASSEMBLY.....587
INSTALLATION OF TVC VALVE ASSEMBLY .....587
REMOVAL OF CONC VALVE ASSEMBLY .....587
INSTALLATION OF CONC VALVE ASSEMBLY .....587
REMOVAL OF SERVO VALVE ASSEMBLY.....587
INSTALLATION OF SERVO VALVE ASSEMBLY.....587
REMOVAL OF WORK EQUIPMENT PPC VALVE ASSEMBLY .....589
INSTALLATION OF WORK EQUIPMENT PPC VALVE ASSEMBLY .....589
DISASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY .....589
ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY .....589
REMOVAL OF TRAVEL PPC VALVE ASSEMBLY.....591
INSTALLATION OF TRAVEL PPC VALVE ASSEMBLY.....591
DISASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY.....591
ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY .....591
REMOVAL OF BOOM HOLDING VALVE ASSEMBLY.....593
INSTALLATION OF BOOM HOLDING VALVE ASSEMBLY.....593
DISASSEMBLY OF BOOM HOLDING VALVE ASSEMBLY.....593
ASSEMBLY OF BOOM HOLDING VALVE ASSEMBLY.....593
REMOVAL OF PPC SHUTTLE VALVE ASSEMBLY.....595
INSTALLATION OF PPC SHUTTLE VALVE ASSEMBLY.....595
REMOVAL OF BOOM CYLINDER ASSEMBLY .....597
INSTALLATION OF BOOM CYLINDER ASSEMBLY.....597
REMOVAL OF ARM CYLINDER ASSEMBLY.....599
INSTALLATION OF ARM CYLINDER ASSEMBLY.....599
REMOVAL OF BUCKET CYLINDER ASSEMBLY.....601
INSTALLATION OF BUCKET CYLINDER ASSEMBLY.....601
DISASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY.....603
ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY .....605
REMOVAL OF WORK EQUIPMENT ASSEMBLY.....607
INSTALLATION OF WORK EQUIPMENT ASSEMBLY.....607
REMOVAL OF BUCKET ASSEMBLY .....609
INSTALLATION OF BUCKET ASSEMBLY.....609
REMOVAL OF ARM ASSEMBLY.....609
INSTALLATION OF ARM ASSEMBLY .....609
REMOVAL OF ARM, BUCKET ASSEMBLY.....611
INSTALLATION OF ARM, BUCKET ASSEMBLY.....611
REMOVAL OF BOOM ASSEMBLY.....613
INSTALLATION OF BOOM ASSEMBLY.....613
REMOVAL OF OPERATORS CAB ASSEMBLY.....615
INSTALLATION OF OPERATORS CAB ASSEMBLY .....615
REMOVAL OF COUNTERWEIGHT .....615
INSTALLATION OF COUNTERWEIGHT .....615
REMOVAL OF ENGINE THROTTLE CONTROLLER.....617
INSTALLATION OF ENGINE THROTTLE CONTROLLER .....617
REMOVAL OF PUMP CONTROLLER ASSEMBLY .....617
INSTALLATION OF PUMP CONTROLLER ASSEMBLY .....617
REMOVAL OF MONITOR PANEL ASSEMBLY.....617
INSTALLATION OF MONITOR PANEL ASSEMBLY .....617
PROCEDURE FOR FLUSHING HYDRAULIC CIRCUIT .....619
PROCEDURE FOR FLUSHING HYDRAULIC CIRCUIT.....627
40 MAINTENANCE STANDARD.....636
FINAL DRIVE PC300LC.....639
FINAL DRIVE PC400LC.....641
SWING MACHINERY PC300LC.....643
SWING MACHINERY PC400LC.....645
SWING CIRCLE PC300LC.....647
SWING CIRCLE PC400LC.....648
TRACK FRAME AND RECOIL SPRING PC300LC.....649
TRACK FRAME AND RECOIL SPRING PC400LC.....650
IDLER PC300LC.....651
IDLER PC400LC.....653
TRACK ROLLER PC300LC.....655
TRACK ROLLER PC400LC.....656
CARRIER ROLLER .....657
TRACK SHOE PC300LC.....659
TRACK SHOE PC400LC.....661
CHARGING PUMP AND RELIEF VALVE .....663
CONTROL VALVE .....664
TRAVEL SHUTTLE VALVE .....671
SWING MOTOR .....672
TRAVEL MOTOR PC300LC.....673
TRAVEL MOTOR PC400LC.....674
PPC VALVE, FOR WORK EQUIPMENT AND SWING.....675
PPC VALVE, FOR TRAVEL.....676
PPC SHUTTLE VALVE .....677
BOOM HOLDING VALVE .....678
HYDRAULIC CYLINDER PC300LC.....679
HYDRAULIC CYLINDER PC400LC.....680
WORK EQUIPMENT PC300LC.....681
WORK EQUIPMENT PC400LC.....683
CEBM207077 - Hydraulic Excavator PC300-5 (Mighty), PC300LC-5(K) (Mighty), PC300HD-5, PC300LC-5 & PC400-5 (Mighty), PC400LC-5 (Mighty), PC400HD-5 Shop Manual.....685
SAFETY.....687
FOREWORD.....689
HOW TO READ THE SHOP MANUAL.....690
HOISTING INSTRUCTIONS.....691
STANDARD TIGHTENING TORQUE.....692
COATING MATERIALS.....693
ELECTRIC WIRE CODE.....694
CONVERSION TABLE.....695
WEIGHT TABLE.....702
LIST OF LUBRICANT AND WATER.....716
10 STRUCTURE AND FUNCTION.....719
POWER TRAIN.....720
FINAL DRIVE.....722
SWING CIRCLE.....724
SWING MACHINERY.....726
TRACK FRAME AND RECOIL SPRING.....728
IDLER.....734
TRACK ROLLER.....736
CARRIER ROLLER.....736
TRACK SHOE.....737
HYDRAULIC PIPING.....741
HYDRAULIC CIRCUIT DIAGRAM.....742
HYDRAULIC TANK.....747
OLSS (Open center Load Sensing System).....749
HYDRAULIC PUMP.....751
LINE OIL FILTER.....770
CONTROL VALVE.....772
SWING MOTOR.....790
CENTER SWIVEL JOINT.....793
TRAVEL MOTOR.....794
VALVE CONTROL.....803
PPC VALVE.....806
ACCUMULATOR.....812
SAFETY LOCK VALVE.....812
SOLENOID VALVE ASSEMBLY.....813
SHUTTLE VALVE.....817
BOOM HOLDING VALVE.....818
HYDRAULIC CYLINDER.....821
WORK EQUIPMENT.....824
ELECTRICAL WIRING DIAGRAM.....830
ELECTRICAL CIRCUIT DIAGRAM.....834
ENGINE CONTROL SYSTEM.....844
PEMC SYSTEM.....857
EMACC (ELECTRONIC MONITOR AND CONTROL CONSOLE).....886
20 TESTING AND ADJUSTING.....895
TABLE OF JUDGEMENT STANDARD VALUE.....896
STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM.....925
TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING.....937
ADJUSTING VALVE CLEARANCE.....938
MEASURING COMPRESSION PRESSURE.....940
TESTING AND ADJUSTING FUEL INJECTION TIMING.....941
TESTING AND ADJUSTING TRAVEL OF GOVERNOR MOTOR LEVER.....943
ADJUSTING ENGINE SPEED SENSOR.....944
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT.....947
TESTING AND ADJUSTING CHARGING PUMP PRESSURE.....950
TESTING AND ADJUSTING MAIN PUMP CONTROL PRESSURE.....952
TESTING AND ADJUSTING TRAVEL DEVIATION.....960
MEASURING STROKE OF SERVO PISTON.....962
MEASURING OUTPUT PRESSURE OF PPC VALVE.....963
ADJUSTING WORK EQUIPMENT, SWING PPC VALVE.....964
TESTING PPC SHUTTLE VALVE.....965
MEASURING SOLENOID VALVE OUTLET PORT PRESSURE.....966
TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT.....967
BLEEDING AIR.....969
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT.....971
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT.....971
TROUBLESHOOTING.....973
POINTS TO REMEMBER WHEN TROUBLESHOOTING.....974
SEQUENCE OF EVENTS IN TROUBLESHOOTING.....975
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE.....976
CHECKS BEFORE TROUBLESHOOTING.....985
ELECTRICAL CIRCUIT DIAGRAM.....986
POSITION OF CONNECTORS FOR TROUBLESHOOTING.....990
CONNECTION TABLE FOR CONNECTOR.....994
EXPLANATION OF FUNCTIONS OF CONTROL MECHANISM OF ELECTRICAL SYSTEM.....1002
DISPLAY METHOD FOR MONITOR PANEL, PUMP CONTROLLER AND ENGINE THROTTLE CONTROLLER.....1005
ACTION OF SELF-DIAGNOSTIC FUNCTION AND SYMPTOMS ON MACHINE.....1009
METHOD OF USING JUDGEMENT TABLE.....1012
METHOD OF USING TROUBLESHOOTING CHARTS.....1014
TROUBLESHOOTING OF ENGINE THROTTLE CONTROLLER SYSTEM (E MODE).....1017
ENGINE THROTTLE CONTROLLER OR IN ENGINE RELATED PARTS.....1018
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING ON ENGINE THROTTLE CONTROLLER SYSTEM.....1019
E-1 [Abnormality in power source system or controller] is displayed (All lamps OFF).....1020
E-2 [Short circuit in governor motor] is displayed.....1024
E-3 [Abnormality in battery relay] is displayed.....1025
E-4 [Disconnection in wiring harness of governor motor] is displayed.....1026
E-5 [Abnormality in governor potentiometer] is displayed.....1028
E-6 [Abnormality in fuel control dial] is displayed.....1030
E-7 [Abnormality in No. 2 throttle signal] is displayed.....1032
E-8 Engine does not start.....1034
E-9 Engine rotation is irregular.....1036
a) Idling rotation is irregular.....1036
b) There is hunting.....1038
E-10 Lack of output power (max. engine speed is too low).....1040
E-11 Engine does not stop.....1042
E-12 Automatic warming-up operation is defective.....1044
TROUBLESHOOTING OF PUMP CONTROLLER SYSTEM (C MODE).....1045
CHART FOR DISTINGUISHING IF FAILURE IS IN PUMP CONTROLLER OR IN HYDRAULIC RELATED PARTS.....1047
C-1[OFF] Self-diagnostic display of controller does not light up.....1048
C-2 [Short circuit in 2-stage relief solenoid valve system] is displayed.....1049
C-3 [Short circuit in arm half flow solenoid valve system] is displayed.....1050
C-4 [Short circuit in swing brake solenoid valve system] is displayed.....1051
C-5 [Short circuit in travel speed solenoid valve system] is displayed.....1052
C-6 [ Short circuit in CO cancel solenoid valve system] is displayed.....1053
C-7 [Short circuit in TVC solenoid sysem (1)] is displayed.....1054
C-8 [Short circuit in TVC solenoid valve system (2)] is displayed.....1055
C-9 [ Disconnection in 2-stage relief solenoid valve system] is displayed.....1056
C-10 [Disconnection in arm half flow solenoid valve system] is displayed.....1057
C-11 [Disconnection in swing brake solenoid valve system].....1058
C-12 [Disconnection in travel speed solenoid valve system] is displayed.....1059
C-13 [Disconnection in CO cancel solenoid valve system] is displayed.....1060
C-14 [Disconnection in TVC solenoid valve system] is displayed.....1061
C-15 [Abnormality in No. 2 throttle signal system] is displayed.....1062
C-16 [Abnormality in throttle signal system] is displayed.....1063
C-17 [ Abnormality in front pump pressure sensor signal system] is displayed.....1064
C-18 [Abnormality in rear pump pressure sensor signal system] is displayed.....1066
C-19 [Abnormality in pressure sensor power source system] is displayed.....1068
C-20 [Abnormality in engine speed sensor system] is displayed.....1070
C-21 Abnormality in auto-deceleration signal output system] is displayed.....1071
C-22 [Abnormality in overheat signal system] is displayed.....1072
C-23 [Controller abnormal system] is displayed.....1073
TROUBLESHOOTING OF PUMP CONTROLLER INPUT SIGNAL SYSTEM (F MODE).....1075
F-1 Pump controller monitor does not display [Work equipment - Swing oil pressure switch].....1076
F-2 Pump controller monitor does not display [Travel oil pressure switch].....1077
F-3 Pump Controller monitor does not display [Swing lock switch].....1078
F-4 Pump controller monitor does not display [Travel speed switch].....1079
F-5 Pump controller monitor does not display [Auto-deceleration switch].....1080
F-6 Pump controller monitor does not display [Power maximizing switch].....1081
F-7 Pump controller monitor does not display [decimal point of [Engine speed sensor].....1082
F-8 Pump controller working mode display does not switch.....1083
F-9 Pump controller power set display does not switch.....1084
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE).....1085
H-1 Speeds of work equipment, travel, swing are all slow.....1086
H-2 There is excessive drop in engine speed, or engine stalls.....1088
H-3 Work equipment, travel, swing do not move, or speed is extremely slow.....1090
H-4 Work equipment, travel, swing lack power.....1092
H-5 Power set selection system does not switch.....1092
H-6 Abnormal noise generated (from around pump).....1093
H-7 Auto-deceleration does not work.....1093
H-8 Boom, arm speed is extremely slow.....1094
H-9 Work equipment (boom, arm, bucket) speed is slow.....1096
H-10 When boom and arm are operated simultaneously, boom is slow.....1098
H-11 Work equipment (boom, arm, bucket) lacks power.....1098
H-12 Excessive hydraulic drift.....1098
H-13 Excessive time lag.....1100
H-14 Does not enter F.0 mode (Half flow functiuon).....1100
H-15 When arm and swing are operated simultaneously, arm is slow.....1100
H-16 When machine is traveling, it deviates naturally to one side.....1102
a) Deviates in same direction both in forward and reverse.....1102
b) Deviates in different direction in forward and reverse (See Fig. I).....1104
H-17 Excessive deviation during compound operations.....1105
H-18 Excessive deviation when starting.....1106
H-19 Travel lacks power (or speed is slow).....1108
H-20 Travel speed does not switch.....1108
H-21 Machine does not move (one side only).....1109
H-22 Does not swing.....1110
H-23 Swing speed is slow or acceleration is poor.....1112
H-24 Excessive overrun when stopping swing.....1113
H-25 Excessive shock when stopping swing.....1113
H-26 Excessive abnormal noise when stopping swing.....1114
H-27 Excessive hydraulic drift of swing.....1114
H-28 When operated simultaneously with arm, swing speed is slow.....1114
TABLE OF FAILURE MODES AND CAUSES.....1115
TROUBLESHOOTING OF MONITOR SYSTEM (P MODE).....1117
P-1 Monitor panel lamps do not light up for 3 seconds when starting switch is turned ON.....1118
a) No monitor panel lamps light up.....1118
b) Some monitor panel lamps do not light up.....1118
P-2 Monitor panel lamps all light up when starting switch is turned ON, but do not go out.....1119
P-3 When starting switch is turned ON (engine stopped), CHECK items flash (Levels for CHECK items are as specified).....1120
a) (Coolant level) flashes.....1120
b) Engine oil level) flashes.....1121
c) (Hydraulic oil level) flashes.....1122
P-4 Preheating is not being used, but preheating display lights up.....1123
P-5 When starting switch is turned ON and engine is started, CHECK items flash.....1125
a) Alternator system.....1125
b) Engine oil pressure system.....1125
P-6 When starting switch is turned ON (engine stopped), CAUTION items flash.....1126
P-7 When starting switch is turned ON and engine is started, CAUTION items flash (When there is no abnormality in CHECK items).....1127
a) (Engine oil pressure) flashes.....1127
b) (Coolant level) flashes.....1127
c) (Coolant temperature) flashes.....1128
d) (Charge) flashes.....1128
e) (Fuel level) flashes.....1129
P-8 (a) When starting switch is turned ON (engine buzzer does not sound for 1 second CAUTION item is flashing but no buzzer soun.....1130
P-8 (b) There is no abnormality display on the monitor, but the buzzer sounds.....1130
P-9 Panel lighting of monitor panel does not light up (liquid crystal display is normal).....1131
P-10 Coolant temperature shows abnormally low temperature.....1132
P-11 Coolant temperature gauge gives no display (during operation, no level of gauge is displayed).....1132
P-12 Fuel gauge always displays FULL.....1133
P-13 Fuel gauge gives no display.....1133
P-14 (a) Lamps do not light up.....1134
P-14 (b) Lamps light up even when lamp switch is not operated.....1134
P-15 (a) Wipers do not work.....1136
P-15 (b) Wipers work even when wiper switch is not operated.....1136
P-16 (a) Fan does not work.....1138
P-16 (b) Fan works even when fan switch is not operated.....1138
P-17 Working mode does not switch.....1140
P-18 Power set does not switch.....1141
P-19 Auto-deceleration does not switch (Does not enter auto-deceleration; auto-deceleration is not canceled).....1142
P-20 Travel speed does not switch between Hi and Lo.....1143
P-21 Warming-up operation is not carried out below 30C, or warming-up operation is not canceled even when temperature goes abov.....1144
P-22 Even when swing lock switch is turned ON (LOCK), swing lock lamp on monitor panel does not light up.....1145
30 DISASSEMBLY AND ASSEMBLY.....1151
METHOD OF USING MANUAL.....1153
PRECAUTIONS WHEN CARRYING OUT OPERATION.....1154
SPECIAL TOOL LIST.....1156
WEIGHT TABLE.....1163
TIGHTENING TORQUES AND STANDARD VALUES TABLE.....1168
STARTING MOTOR ASSEMBLY.....1174
ALTERNATOR ASSEMBLY.....1174
ENGINE OIL COOLER ASSEMBLY.....1176
FUEL INJECTION PUMP ASSEMBLY.....1178
WATER PUMP ASSEMBLY.....1180
NOZZLE HOLDER ASSEMBLY.....1182
TURBOCHARGER ASSEMBLY.....1184
THERMOSTAT ASSEMBLY.....1184
ENGINE FRONT OIL SEAL.....1186
ENGINE REAR OIL SEAL .....1188
GOVERNOR MOTOR ASSEMBLY .....1190
CYLINDER HEAD ASSEMBLY .....1192
AFTERCOOLER CORE ASSEMBLY .....1196
HYDRAULIC COOLER ASSEMBLY.....1198
RADIATOR, HYDRAULIC OIL COOLER ASSEMBLY.....1200
ENGINE, HYDRAULIC PUMP ASSEMBLY .....1202
DAMPER ASSEMBLY .....1206
CENTER SWIVEL JOINT ASSEMBLY.....1208
FINAL DRIVE ASSEMBLY.....1210
INSTALLATION OF FINAL DRIVE ASSEMBLY .....1210
ASSEMBLY OF FINAL DRIVE ASSEMBLY .....1214
TRAVEL MOTOR ASSEMBLY .....1220
SPROCKET ASSEMBLY .....1234
SWING MOTOR ASSEMBLY .....1234
SWING MACHINERY ASSEMBLY .....1244
REVOLVING FRAME ASSEMBLY .....1254
SWING CIRCLE ASSEMBLY.....1256
IDLER, RECOIL SPRING ASSEMBLY.....1256
CARRIER ROLLER ASSEMBLY .....1260
TRACK ROLLER ASSEMBLY.....1260
CHARGING PUMP ASSEMBLY.....1262
TRACK SHOE ASSEMBLY .....1262
HYDRAULIC PUMP ASSEMBLY.....1264
HYDRAULIC PUMP INPUT SHAFT OIL SEAL .....1290
CONTROL VALVE ASSEMBLY .....1292
MAIN RELIEF VALVE ASSEMBLY .....1298
TVC VALVE ASSEMBLY .....1300
SERVO ASSEMBLY.....1300
CO-NC VALVE ASSEMBLY.....1300
WORK EQUIPMENT PPC VALVE ASSEMBLY .....1302
TRAVEL PPC VALVE ASSEMBLY .....1304
BOOM HOLDING VALVE ASSEMBLY.....1306
PPC SHUTTLE VALVE ASSEMBLY.....1308
BOOM CYLINDER ASSEMBLY .....1310
ARM CYLINDER ASSEMBLY .....1314
BUCKET CYLINDER ASSEMBLY .....1318
BOTTOM DUMP CYLINDER ASSEMBLY.....1322
HYDRAULIC CYLINDER ASSEMBLY .....1324
WORK EQUIPMENT ASSEMBLY.....1330
BUCKET ASSEMBLY .....1332
ARM ASSEMBLY.....1336
ARM, BUCKET ASSEMBLY . .....1340
BOOM ASSEMBLY .....1342
OPERATORS CAB ASSEMBLY.....1346
COUNTERWEIGHT .....1346
THROTTLE CONTROLLER .....1348
PUMP CONTROLLER ASSEMBLY.....1348
MONITOR PANEL ASSEMBLY .....1348
PROCEDURE FOR FLUSHING HYDRAULIC CIRCUIT .....1358
40 MAINTENANCE STANDARD.....1367
FINAL DRIVE.....1368
SWING MACHINERY .....1372
SWING CIRCLE .....1376
TRACK FRAME AND RECOIL SPRING .....1378
IDLER .....1382
TRACK ROLLER .....1386
CARRIER ROLLER .....1388
TRACK SHOE .....1390
CHARGING PUMP AND RELIEF VALVE .....1396
CONTROL VALVE .....1397
TRAVEL SHUTTLE VALVE .....1412
SWING MOTOR .....1413
TRAVEL MOTOR .....1414
PPC VALVE .....1416
PPC SHUTTLE VALVE .....1418
BOOM HOLDING VALVE .....1419
HYDRAULIC CYLINDER .....1420
WORK EQUIPMENT.....1424
SEBM02070308 - Hydraulic Excavator PC300-3, PC300LC-3, PC360LC-3 Shop Manual.....1433
