Komatsu PC45MR-5 PC55MR-5 Compact Hydraulic Excavator Shop Manual PDF

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Komatsu PC45MR-5 PC55MR-5 Compact Hydraulic Excavator Shop Manual SEN06574-08 – PDF DOWNLOAD

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Komatsu PC45MR-5 PC55MR-5 Compact Hydraulic Excavator Shop Manual SEN06574-08 – PDF DOWNLOAD

Language : English
Pages : 1246
Downloadable : Yes
File Type : PDF

TABLE OF CONTENTS:

Komatsu PC45MR-5 PC55MR-5 Compact Hydraulic Excavator Shop Manual SEN06574-08 – PDF DOWNLOAD 

COVER 1
00 INDEX AND FOREWORD 3
INDEX 4
ABBREVIATION LIST 13
FOREWORD, SAFETY, BASIC INFORMATION 19
HOW TO READ THE SHOP MANUAL 19
SAFETY NOTICE FOR OPERATION 21
PRECAUTIONS TO PREVENT FIRE 29
ACTIONS IF FIRE OCCURS 31
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS 32
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT 33
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS 36
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT 43
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT 45
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT 46
PRACTICAL USE OF KOMTRAX 47
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER 48
METHOD FOR DISCONNECTING AND CONNECTING TYPE 1 PUSH-PULL TYPE COUPLER 48
METHOD FOR DISCONNECTING AND CONNECTING TYPE 2 PUSH-PULL TYPE COUPLER 49
METHOD FOR DISCONNECTING AND CONNECTING TYPE 3 PUSH-PULL TYPE COUPLER 50
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS 52
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR 56
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR 57
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL 59
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH 60
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE 62
HOW TO READ ELECTRICAL WIRE CODE 63
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD 67
STANDARD TIGHTENING TORQUE TABLE 70
CONVERSION TABLE 77
01 SPECIFICATIONS 83
CONTENTS 84
ABBREVIATION LIST 85
SPECIFICATIONS 91
SPECIFICATION DRAWING 91
SPECIFICATION DRAWING: PC45MR-5 91
SPECIFICATION DRAWING: PC55MR-5 93
WORKING RANGE DRAWINGS 95
WORKING RANGE: PC45MR-5 95
WORKING RANGE: PC55MR-5 96
SPECIFICATIONS 97
SPECIFICATIONS: PC45MR-5 97
SPECIFICATIONS: PC55MR-5 101
WEIGHT TABLE 105
WEIGHT TABLE: PC45MR-5 105
WEIGHT TABLE: PC55MR-5 107
TABLE OF FUEL, COOLANT, AND LUBRICANTS 109
10 STRUCTURE AND FUNCTION 111
CONTENTS 112
ABBREVIATION LIST 114
BOOT-UP SYSTEM 120
LAYOUT DRAWING OF BOOT-UP SYSTEM 120
SYSTEM OPERATING LAMP SYSTEM 122
SYSTEM OPERATING LAMP SYSTEM DIAGRAM 122
FUNCTION OF SYSTEM OPERATING LAMP SYSTEM 122
BATTERY DISCONNECT SWITCH 124
FUNCTION OF BATTERY DISCONNECT SWITCH 124
ENGINE SYSTEM 125
LAYOUT DRAWING OF ENGINE SYSTEM 125
ENGINE CONTROL SYSTEM 126
ENGINE CONTROL SYSTEM DIAGRAM 126
FUNCTION OF ENGINE CONTROL SYSTEM 127
AUTO-DECELERATION SYSTEM 130
AUTO-DECELERATION SYSTEM DIAGRAM 130
FUNCTION OF AUTO-DECELERATION SYSTEM 130
OPERATION OF AUTO-DECELERATION SYSTEM 131
OVERHEAT PREVENTION SYSTEM 132
OVERHEAT PREVENTION SYSTEM DIAGRAM 132
FUNCTION OF OVERHEAT PREVENTION SYSTEM 133
AUTOMATIC IDLE STOP SYSTEM 134
AUTOMATIC IDLE STOP SYSTEM DIAGRAM 134
FUNCTION OF AUTOMATIC IDLE STOP SYSTEM 134
COMPONENT PARTS OF ENGINE SYSTEM 136
PTO 136
COOLING SYSTEM 137
LAYOUT DRAWING OF COOLING SYSTEM 137
SPECIFICATIONS OF COOLING SYSTEM 138
CONTROL SYSTEM 139
LAYOUT DRAWING OF CONTROL SYSTEM 139
MACHINE MONITOR SYSTEM 140
MACHINE MONITOR SYSTEM DIAGRAM 140
KOMTRAX SYSTEM 141
KOMTRAX SYSTEM DIAGRAM 141
FUNCTION OF KOMTRAX SYSTEM 141
COMPONENT PARTS OF CONTROL SYSTEM 142
MACHINE MONITOR 142
KOMTRAX TERMINAL 150
MACHINE CONTROLLER 152
FUEL CONTROL DIAL 156
HYDRAULIC SYSTEM 158
LAYOUT DRAWING OF HYDRAULIC SYSTEM 158
CLSS 160
STRUCTURE OF CLSS 160
FUNCTION OF CLSS 161
ENGINE AND PUMP COMBINED CONTROL SYSTEM 163
ENGINE AND PUMP COMBINED CONTROL SYSTEM DIAGRAM 163
FUNCTION OF ENGINE AND PUMP COMBINED CONTROL SYSTEM 164
COMPONENT PARTS OF HYDRAULIC SYSTEM 166
HYDRAULIC TANK 166
MAIN PUMP 170
CONTROL VALVE 182
WORK EQUIPMENT SYSTEM 228
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM 228
STRUCTURE OF VALVE CONTROL 232
PPC LOCK SYSTEM 234
PPC LOCK SYSTEM DIAGRAM 234
FUNCTION OF PPC LOCK SYSTEM 235
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM 236
FUNCTION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM 236
OPERATION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM 236
OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT 237
ATTACHMENT OIL FLOW ADJUSTER SYSTEM DIAGRAM 237
FUNCTION OF OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT 238
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM 239
WORK EQUIPMENT AND SWING PPC VALVE 239
ATTACHMENT PPC VALVE 244
BLADE PPC VALVE 246
BOOM SWING PPC VALVE 248
BIPARTITE SOLENOID VALVE 250
MULTI-CONTROL VALVE 253
PILOT CIRCUIT ACCUMULATOR 254
SWING SYSTEM 255
LAYOUT DRAWING OF SWING SYSTEM 255
COMPONENT PARTS OF SWING SYSTEM 256
SWING MOTOR 256
SWING MACHINERY 263
SWING CIRCLE 265
TRAVEL SYSTEM 266
LAYOUT DRAWING OF TRAVEL SYSTEM 266
TRAVEL CONTROL SYSTEM DIAGRAM 268
FUNCTION OF TRAVEL CONTROL SYSTEM 268
COMPONENT PARTS OF TRAVEL SYSTEM 270
TRAVEL MOTOR 270
TRAVEL PPC VALVE 278
CENTER SWIVEL JOINT 280
UNDERCARRIAGE AND FRAME 281
LAYOUT DRAWING OF UNDERCARRIAGE 281
SPECIFICATIONS OF UNDERCARRIAGE 281
IDLER CUSHION 282
STRUCTURE OF IDLER CUSHION 282
SPECIFICATIONS OF IDLER CUSHION 282
WORK EQUIPMENT 283
STRUCTURE OF WORK EQUIPMENT 283
FUNCTION OF WORK EQUIPMENT 284
WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM 285
FUNCTION OF WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM 285
CAB AND ITS ATTACHMENTS 286
ROPS CAB 286
STRUCTURE OF ROPS CAB 286
FUNCTION OF ROPS CAB 286
TILT TYPE FLOOR 287
STRUCTURE OF TILT TYPE FLOOR 287
FUNCTION OF TILT TYPE FLOOR 287
20 STANDARD VALUE TABLE 289
CONTENTS 290
ABBREVIATION LIST 291
STANDARD VALUE TABLE FOR ENGINE 297
STANDARD VALUE TABLE FOR ENGINE: PC45MR-5 297
STANDARD VALUE TABLE FOR ENGINE: PC55MR-5 299
STANDARD VALUE TABLE FOR MACHINE 301
STANDARD VALUE TABLE FOR MACHINE: PC45MR-5 301
STANDARD VALUE TABLE FOR MACHINE: PC55MR-5 313
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE 325
30 TESTING AND ADJUSTING 329
CONTENTS 330
ABBREVIATION LIST 333
RELATED INFORMATION ON TESTING AND ADJUSTING 339
TOOLS FOR TESTING AND ADJUSTING 339
SKETCH OF TOOLS FOR TESTING AND ADJUSTING 343
ENGINE AND COOLING SYSTEM 345
TEST ENGINE SPEED 345
METHOD FOR TESTING ENGINE SPEED 345
TEST EXHAUST GAS COLOR 347
METHOD FOR TESTING EXHAUST GAS COLOR BY HANDY SMOKE CHECKER 347
METHOD FOR TESTING EXHAUST GAS COLOR BY SMOKE METER 348
TEST AND ADJUST VALVE CLEARANCE 349
METHOD FOR TESTING VALVE CLEARANCE 349
METHOD FOR ADJUSTING VALVE CLEARANCE 350
TEST COMPRESSION PRESSURE 351
METHOD FOR TESTING COMPRESSION PRESSURE 351
TEST ENGINE OIL PRESSURE 353
METHOD FOR TESTING ENGINE OIL PRESSURE 353
BLEED AIR FROM FUEL SYSTEM 355
METHOD FOR BLEEDING AIR FROM FUEL SYSTEM 355
TEST FUEL CIRCUIT FOR LEAKAGE 357
METHOD FOR TESTING FUEL CIRCUIT FOR LEAKAGE 357
HANDLE CYLINDER CUT-OUT MODE OPERATION 358
TEST AND ADJUST ALTERNATOR BELT TENSION 359
METHOD FOR TESTING ALTERNATOR BELT TENSION 359
METHOD FOR ADJUSTING ALTERNATOR BELT TENSION 359
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION 360
METHOD FOR CHECKING AND ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION 360
POWER TRAIN 362
TEST SWING CIRCLE BEARING CLEARANCE 362
METHOD FOR TESTING SWING CIRCLE BEARING CLEARANCE 362
UNDERCARRIAGE AND FRAME 363
TEST AND ADJUST TRACK TENSION 363
METHOD FOR TESTING TRACK TENSION 363
METHOD FOR ADJUSTING TRACK TENSION 363
HYDRAULIC SYSTEM 365
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM 365
METHOD FOR RELEASING REMAINING PRESSURE FROM HYDRAULIC TANK 365
METHOD FOR RELEASING REMAINING PRESSURE IN PPC ACCUMULATOR CIRCUIT 365
METHOD FOR RELEASING REMAINING PRESSURE IN HYDRAULIC CYLINDER CIRCUIT 365
METHOD FOR RELEASING REMAINING PRESSURE FROM SWING MOTOR CIRCUIT 370
METHOD FOR RELEASING REMAINING PRESSURE FROM TRAVEL MOTOR CIRCUIT 370
TEST AND ADJUST OIL PRESSURE IN WORK EQUIPMENT, TRAVEL, AND BOOM SWING CIRCUITS 371
METHOD FOR TESTING OIL PRESSURE IN WORK EQUIPMENT, TRAVEL, AND BOOM SWING CIRCUITS 371
METHOD FOR ADJUSTING OIL PRESSURE IN WORK EQUIPMENT, TRAVEL, AND BOOM SWING CIRCUITS 380
TEST AND ADJUST SWING AND BLADE CIRCUIT OIL PRESSURE 382
METHOD FOR TESTING SWING AND BLADE CIRCUIT OIL PRESSURE 382
METHOD FOR ADJUSTING SWING AND BLADE CIRCUIT OIL PRESSURE 387
TEST AND ADJUST OIL PRESSURE OF CONTROL CIRCUIT 389
METHOD FOR TESTING OIL PRESSURE OF CONTROL CIRCUIT 389
METHOD FOR ADJUSTING OIL PRESSURE OF CONTROL CIRCUIT 391
ADJUST OIL PRESSURE IN PUMP PC CONTROL CIRCUIT 393
METHOD FOR ADJUSTING OIL PRESSURE IN PUMP PC CONTROL CIRCUIT 393
TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT 395
METHOD FOR TESTING LS DIFFERENTIAL PRESSURE BY MACHINE MONITOR 395
METHOD FOR TESTING LS DIFFERENTIAL PRESSURE BY TESTING TOOL 396
METHOD FOR ADJUSTING LS VALVE 398
TEST OUTLET PRESSURE OF SOLENOID VALVE 399
METHOD FOR TESTING OUTLET PRESSURE OF SOLENOID VALVE BY MACHINE MONITOR 399
METHOD FOR TESTING OUTLET PRESSURE OF SOLENOID VALVE BY TESTING TOOL 400
OPERATING CONDITION OF SOLENOID VALVE 401
TEST PPC VALVE OUTLET PRESSURE 402
METHOD FOR TESTING OUTLET PRESSURE OF PPC VALVE BY MACHINE MONITOR 402
METHOD FOR TESTING OUTLET PRESSURE OF PPC VALVE BY TESTING TOOL 405
ADJUST WORK EQUIPMENT AND SWING PPC VALVES 407
METHOD FOR ADJUSTING PLAY OF WORK EQUIPMENT AND SWING PPC VALVES 407
TEST SWING PARKING BRAKE RELEASE PRESSURE 408
METHOD FOR TESTING SWING PARKING BRAKE RELEASE PRESSURE WITH MACHINE MONITOR 408
METHOD FOR TESTING SWING PARKING BRAKE RELEASE PRESSURE BY TESTING TOOL 408
TEST AND ADJUST TRAVEL DEVIATION 410
METHOD FOR TESTING TRAVEL DEVIATION 410
METHOD FOR ADJUSTING TRAVEL DEVIATION 410
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT 413
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF BOOM CYLINDER AND BUCKET CYLINDER 413
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF ARM CYLINDER 413
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF PPC VALVE 414
TEST OIL LEAKAGE 415
METHOD FOR TESTING OIL LEAKAGE FROM BOOM CYLINDER 415
METHOD FOR TESTING OIL LEAKAGE FROM ARM CYLINDER 415
METHOD FOR TESTING OIL LEAKAGE FROM BUCKET CYLINDER 416
METHOD FOR TESTING OIL LEAKAGE FROM BLADE CYLINDER 416
BLEED AIR FROM HYDRAULIC CIRCUIT 418
METHOD FOR BLEEDING AIR FROM HYDRAULIC CIRCUIT 419
PRESSURIZE HYDRAULIC TANK 421
METHOD FOR PRESSURIZING HYDRAULIC TANK 421
CAB AND ITS ATTACHMENTS 422
METHOD FOR OPENING AND CLOSING FLOOR UNIT 422
METHOD FOR OPENING FLOOR UNIT 423
METHOD FOR CLOSING FLOOR UNIT 428
ELECTRICAL SYSTEM 432
SET AND OPERATE MACHINE MONITOR 432
OPERATOR MODE 435
CHECKING FUNCTION BY LCD (LIQUID CRYSTAL DISPLAY) 435
CHECKING FUNCTION OF SERVICE METER 435
METHOD FOR SETTING USAGE LIMITATION AND CHANGING PASSWORD 435
SERVICE MODE 438
METHOD FOR OPERATING SERVICE MODE 438
METHOD FOR CHECKING PRE-DEFINED MONITORING INFORMATION 439
METHOD FOR CHECKING SELF-DEFINE MONITORING INFORMATION 443
ABNORMALITY RECORD MENU 450
METHOD FOR CONFIRMING MAINTENANCE RECORD 453
METHOD FOR OPERATING MAINTENANCE MODE SETTING 454
METHOD FOR OPERATING PHONE NUMBER ENTRY SETTING 458
DEFAULT MENU 460
DIAGNOSTIC TESTS MENU 465
ADJUSTMENT MENU 473
METHOD FOR OPERATING BATTERY DISCONNECT SWITCH SETTING 477
KOMTRAX SETTINGS MENU 479
METHOD FOR DISPLAYING SERVICE MESSAGE 481
METHOD FOR STARTING UP KOMTRAX TERMINAL 483
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER 488
TEST DIODES 489
METHOD FOR TESTING DIODE USING DIGITAL TESTER 489
METHOD FOR TESTING DIODE USING ANALOG TESTER 489
40 TROUBLESHOOTING 491
CONTENTS 492
ABBREVIATION LIST 496
RELATED INFORMATION ON TROUBLESHOOTING 502
GENERAL TROUBLESHOOTING POINTS 502
SEQUENCE OF EVENTS IN TROUBLESHOOTING 503
CHECKS BEFORE TROUBLESHOOTING 505
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING 507
WALK-AROUND CHECK 507
TESTING IN ACCORDANCE WITH TESTING PROCEDURE 509
CHECK FUEL LEVEL AND TYPE 509
CHECK FUEL PREFILTER 510
WATER SEPARATOR – CHECK / DRAIN WATER AND SEDIMENT 512
CHECK MAIN FILTER 513
CHECK ENGINE OIL LEVEL (OIL AMOUNT IN OIL PAN) 516
CHECK COOLANT LEVEL (RESERVOIR TANK) 517
CHECK CLOGGING OF AIR CLEANER 518
CLEAN OUTER ELEMENT (SINGLE ELEMENT) 519
CLEAN OUTER ELEMENT (DOUBLE ELEMENT) 521
REPLACE SINGLE ELEMENT 524
REPLACE DOUBLE ELEMENT 526
CHECK HYDRAULIC OIL LEVEL 528
CHECK HYDRAULIC OIL STRAINER 532
CHECK HYDRAULIC FILTER 533
CHECK OIL LEVEL IN FINAL DRIVE CASE 535
BLEED AIR FROM FUEL SYSTEM 535
BLEED AIR FROM HYDRAULIC SYSTEM 535
ELECTRICAL EQUIPMENT – CHECK METHOD 535
ELECTRICAL SYSTEM TROUBLESHOOTING – PREPARATION 543
PROCEDURE FOR TESTING AND TROUBLESHOOTING 546
SYMPTOMS OF FAILURE AND TROUBLESHOOTING NUMBERS 549
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 553
CONNECTORS LIST AND LAYOUT 555
CONNECTOR CONTACT IDENTIFICATION (FOR 4D88E-7 ENGINE) 571
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE 575
FUSE LOCATION TABLE 581
PRECAUTIONS FOR CLEANING AND REPLACING KDPF (KCSF and KDOC) 585
FAILURE CODES TABLE 587
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) 597
FAILURE CODE [989L00] 597
FAILURE CODE [989M00] 598
FAILURE CODE [989N00] 599
FAILURE CODE [AQ20R1] 600
FAILURE CODE [B@BCNS] 601
FAILURE CODE [D19JKZ] 602
FAILURE CODE [D811MC] 605
FAILURE CODE [D862KA] 606
FAILURE CODE [D8ALKA] 607
FAILURE CODE [D8ALKB] 609
FAILURE CODE [D8AQKR] 611
FAILURE CODE [DAF0KT] 613
FAILURE CODE [DAF0MB] 614
FAILURE CODE [DAF0MC] 615
FAILURE CODE [DAF3KK] 616
FAILURE CODE [DAF9KQ] 618
FAILURE CODE [DAFGMC] 619
FAILURE CODE [DAFLKA] 620
FAILURE CODE [DAFLKB] 622
FAILURE CODE [DAFQKR] 624
FAILURE CODE [DB2QKR] 625
FAILURE CODE [DBH0MC] 629
FAILURE CODE [DBH2KK] 630
FAILURE CODE [DBH5KP] 633
FAILURE CODE [DBH5KP] 635
FAILURE CODE [DBH9KQ] 637
FAILURE CODE [DBHLKA] 639
FAILURE CODE [DBHLKB] 641
FAILURE CODE [DBHQKR] 643
FAILURE CODE [DDNRKA] 648
FAILURE CODE [DDNRKY] 650
FAILURE CODE [DDNS00] 652
FAILURE CODE [DDWLKA] 654
FAILURE CODE [DDWLKB] 656
FAILURE CODE [DFB1KZ] 658
FAILURE CODE [DFB3L8] 660
FAILURE CODE [DFB5KZ] 662
FAILURE CODE [DHS1MA] 664
FAILURE CODE [DHS5MA] 666
FAILURE CODE [DKULKA] 668
FAILURE CODE [DKULKB] 670
FAILURE CODE [DKULKY] 672
FAILURE CODE [DV00KB] 674
FAILURE CODE [DV20KB] 675
FAILURE CODE [DW43KA] 677
FAILURE CODE [DW43KB] 679
FAILURE CODE [DW43KY] 681
FAILURE CODE [DW4CKY] 682
FAILURE CODE [DXA8KA] 684
FAILURE CODE [DXA8KB] 686
FAILURE CODE [DXE7KA] 688
FAILURE CODE [DXE7KB] 690
FAILURE CODE [DXE7KY] 692
FAILURE CODE [DXEAKA] 694
FAILURE CODE [DXEAKB] 696
FAILURE CODE [DXEAKY] 698
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) 700
E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK) 700
E-2 ENGINE DOES NOT START (FUEL FEED PUMP SYSTEM) 706
E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK 708
E-4 WHEN STARTING SWITCH IS TURNED TO ON POSITION, MACHINE MONITOR DISPLAYS NOTHING 710
E-5 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING 713
E-6 CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 714
E-7 FUEL LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 715
E-8 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 716
E-9 ENGINE OIL PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 717
E-10 FUEL GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM 718
E-11 DISPLAY OF FUEL GAUGE DIFFERS FROM ACTUAL FUEL LEVEL 720
E-12 ENGINE COOLANT TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM 721
E-13 DISPLAY OF ENGINE COOLANT TEMPERATURE GAUGE DIFFERS FROM ACTUAL COOLANT TEMPERATURE 722
E-14 SOME AREAS OF MACHINE MONITOR SCREEN ARE NOT DISPLAYED 723
E-15 FUNCTION SWITCH DOES NOT OPERATE 724
E-16 AUTO-DECELERATOR IS NOT OPERATED OR CANCELED WITH LEVER 725
E-17 WHEN WORKING MODE IS CHANGED, SETTING OF ENGINE AND HYDRAULIC PUMP IS NOT CHANGED 726
E-18 WHEN TRAVEL SPEED SELECTION IS CHANGED, ACTUAL TRAVEL SPEED DOES NOT CHANGE 727
E-19 ALARM BUZZER DOES NOT SOUND 729
E-20 ALARM BUZZER CANNOT BE CANCELED 730
E-21 SERVICE METER IS NOT DISPLAYED, WHILE STARTING SWITCH IS IN OFF POSITION 731
E-22 SERVICE MODE CANNOT BE SELECTED 732
E-23 ALL OF WORK EQUIPMENTS, SWING, AND TRAVEL MECHANISM DO NOT MOVE 733
E-24 ALL OF WORK EQUIPMENT, SWING, AND TRAVEL MECHANISM DO NOT LOCK 735
E-25 ALARM DOES NOT SOUND DURING TRAVEL 737
E-26 ALARM DOES NOT STOP SOUNDING WHILE MACHINE IS STOPPED 739
E-27 HORN DOES NOT SOUND 740
E-28 HORN DOES NOT SOUND (FOR PROPORTIONAL LEVER SPEC) 742
E-29 HORN DOES NOT STOP SOUNDING 744
E-30 HORN DOES NOT STOP SOUNDING (FOR PROPORTIONAL LEVER SPEC) 746
E-31 WORKING LAMP OR TRAVEL LAMP DOES NOT LIGHT UP (CANOPY SPEC) 748
E-32 NONE OF WORKING LAMP, TRAVEL LAMP, OR ADDITIONAL LAMP DOES NOT LIGHT UP (CAB SPEC) 752
E-33 WHEN WIPER SWITCH IS OPERATED, WINDSHIELD WIPER DOES NOT OPERATE 756
E-34 WHEN WINDOW WASHER SWITCH IS OPERATED, WINDOW WASHER DOES NOT OPERATE 758
E-35 TRAVEL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION 760
E-36 Swing or Arm IN IS NOT DISPLAYED NORMALLY IN MONITORING FUNCTION 761
E-37 Work Equipment IS NOT DISPLAYED NORMALLY IN MONITORING FUNCTION 762
E-38 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY 764
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) 765
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE) 765
H-1 ALL WORK EQUIPMENT, TRAVEL, SWING OR BLADE DO NOT OPERATE 766
H-2 ALL WORK EQUIPMENTS OR TRAVEL DOES NOT OPERATE 767
H-3 TRAVEL OR BLADE DOES NOT OPERATE 768
H-4 SWING OR BLADE DOES NOT OPERATE 769
H-5 ALL WORK EQUIPMENT, TRAVEL, SWING AND BLADE SPEED OR POWER IS LOW 770
H-6 ALL WORK EQUIPMENT AND TRAVEL SPEED OR POWER IS LOW 771
H-7 TRAVEL AND BLADE SPEED OR POWER IS LOW 772
H-8 SWING AND BLADE SPEED OR POWER IS LOW 773
H-9 FINE CONTROL PERFORMANCE OR RESPONSE IS POOR 774
H-10 UNUSUAL NOISE IS HEARD FROM AROUND HYDRAULIC PUMP 775
H-11 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS 776
H-12 ALL WORK EQUIPMENTS SPEED OR POWER IS LOW 778
H-13 ALL WORK EQUIPMENTS AND BLADE SPEED OR POWER IS LOW 779
H-14 BLADE DOES NOT OPERATE 780
H-15 ALL WORK EQUIPMENTS DO NOT OPERATE 781
H-16 ALL WORK EQUIPMENTS OR BLADE DO NOT OPERATE 782
H-17 SPEED OR POWER OF BOOM IS LOW 783
H-18 ARM SPEED OR POWER IS LOW 785
H-19 BUCKET SPEED OR POWER IS LOW 786
H-20 BLADE SPEED OR POWER IS LOW 787
H-21 BOOM SWING SPEED OR POWER IS LOW 789
H-22 WORK EQUIPMENT DOES NOT MOVE IN SINGLE OPERATION 790
H-23 HYDRAULIC DRIFT OF BOOM IS LARGE 791
H-24 HYDRAULIC DRIFT OF ARM IS LARGE 792
H-25 HYDRAULIC DRIFT OF BUCKET IS LARGE 793
H-26 HYDRAULIC DRIFT OF BLADE IS LARGE 794
H-27 TIME LAG OF WORK EQUIPMENT IS LARGE 796
H-28 IN COMBINED OPERATION OF WORK EQUIPMENT, EQUIPMENT HAVING HEAVIER LOAD MOVES SLOWER 797
H-29 MACHINE DOES NOT TRAVEL STRAIGHT 798
H-30 MACHINE DOES NOT MOVE OFF STRAIGHT 800
H-31 MACHINE IS NOT STEERED WELL OR STEERING POWER IS LOW 801
H-32 TRAVEL SPEED IS LOW 803
H-33 BOTH SIDES OF CRAWLERS DO NOT MOVE 805
H-34 ONE OF TRACKS DOES NOT RUN 806
H-35 TRAVEL SPEED DOES NOT CHANGE, OR TRAVEL SPEED IS TOO SLOW OR FAST 808
H-36 UPPER STRUCTURE DOES NOT SWING BOTH TO THE RIGHT AND LEFT 809
H-37 SWINGS ONLY IN ONE DIRECTION 811
H-38 SWING ACCELERATION OR SWING SPEED IS LOW IN BOTH DIRECTIONS (RIGHT AND LEFT) 813
H-39 SWING ACCELERATION PERFORMANCE IS POOR OR SWING SPEED IS SLOW IN ONLY ONE DIRECTION 815
H-40 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (BOTH RIGHT AND LEFT) 816
H-41 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (ONLY ONE DIRECTION EITHER RIGHT OR LEFT) 817
H-42 SHOCK IS LARGE WHEN UPPER STRUCTURE STOPS SWINGING 818
H-43 LARGE UNUSUAL NOISE IS HEARD WHEN UPPER STRUCTURE STOPS SWINGING 819
H-44 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS APPLIED) 820
H-45 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS RELEASED) 821
TROUBLESHOOTING OF ENGINE (S-MODE) 822
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE) 822
S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION 823
S-2 ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT 824
S-3 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS BUT DOES NOT START) 825
S-4 ENGINE STARTABILITY IS POOR 826
S-5 ENGINE DOES NOT PICK UP SMOOTHLY 828
S-6 ENGINE STOPS DURING OPERATION 830
S-7 ENGINE RUNS ROUGH OR IS UNSTABLE 831
S-8 ENGINE LACKS POWER 832
S-9 KDPF GETS CLOGGED IN A SHORT TIME 834
S-10 ENGINE OIL CONSUMPTION IS EXCESSIVE 835
S-11 OIL BECOMES CONTAMINATED QUICKLY 836
S-12 FUEL CONSUMPTION IS EXCESSIVE 837
S-13 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN) 838
S-14 OIL PRESSURE DROPS 839
S-15 FUEL MIXES INTO ENGINE OIL 841
S-16 WATER MIXES INTO ENGINE OIL (MILKY) 842
S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING) 843
S-18 UNUSUAL NOISE IS HEARD 844
S-19 VIBRATION IS EXCESSIVE 845
S-20 AIR CANNOT BE BLED FROM FUEL CIRCUIT 846
50 DISASSEMBLY AND ASSEMBLY 847
CONTENTS 848
ABBREVIATION LIST 851
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY 857
HOW TO READ THIS MANUAL 857
COATING MATERIALS LIST 859
SPECIAL TOOLS LIST 863
SKETCHES OF SPECIAL TOOLS 868
ENGINE AND COOLING SYSTEM 869
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY 869
METHOD FOR REMOVING SUPPLY PUMP ASSEMBLY 869
METHOD FOR INSTALLING SUPPLY PUMP ASSEMBLY 872
REMOVE AND INSTALL STARTER ASSEMBLY 876
METHOD FOR REMOVING STARTER ASSEMBLY 876
METHOD FOR INSTALLING STARTER ASSEMBLY 877
REMOVE AND INSTALL RADIATOR ASSEMBLY 878
METHOD FOR REMOVING RADIATOR ASSEMBLY 878
METHOD FOR INSTALLING RADIATOR ASSEMBLY 881
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY 885
METHOD FOR REMOVING HYDRAULIC OIL COOLER ASSEMBLY 885
METHOD FOR INSTALLING HYDRAULIC OIL COOLER ASSEMBLY 888
REMOVE AND INSTALL ENGINE AND MAIN PUMP ASSEMBLY 892
METHOD FOR REMOVING ENGINE AND MAIN PUMP ASSEMBLY 892
METHOD FOR INSTALLING ENGINE AND MAIN PUMP ASSEMBLY 898
REMOVE AND INSTALL FUEL TANK ASSEMBLY 905
METHOD FOR REMOVING FUEL TANK ASSEMBLY 905
METHOD FOR INSTALLING FUEL TANK ASSEMBLY 907
REMOVE AND INSTALL KDPF ASSEMBLY 910
METHOD FOR REMOVING KDPF ASSEMBLY 910
METHOD FOR INSTALLING KDPF ASSEMBLY 912
DISASSEMBLE AND ASSEMBLE OF KDPF ASSEMBLY 914
POWER TRAIN 915
REMOVE AND INSTALL TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY 915
METHOD FOR REMOVING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY 915
METHOD FOR INSTALLING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY 917
REMOVE AND INSTALL SWING MOTOR AND SWING MACHINERY ASSEMBLY 919
METHOD FOR REMOVING SWING MOTOR AND SWING MACHINERY ASSEMBLY 919
METHOD FOR INSTALLING SWING MOTOR AND SWING MACHINERY ASSEMBLY 920
DISASSEMBLE AND ASSEMBLE SWING MACHINERY ASSEMBLY 921
METHOD FOR DISASSEMBLING SWING MACHINERY ASSEMBLY 921
METHOD FOR ASSEMBLING SWING MACHINERY ASSEMBLY 924
REMOVE AND INSTALL SWING CIRCLE ASSEMBLY 928
METHOD FOR REMOVING SWING CIRCLE ASSEMBLY 928
METHOD FOR INSTALLING SWING CIRCLE ASSEMBLY 928
UNDERCARRIAGE AND FRAME 930
DISASSEMBLE AND ASSEMBLE RECOIL SPRING 930
METHOD FOR DISASSEMBLING AND ASSEMBLING RECOIL SPRING 930
METHOD FOR ASSEMNLING RECOIL SPRING ASSEMBLY 931
SEPARATION AND CONNECTION OF TRACK ASSEMBLY 933
METHOD FOR SEPARATING TRACK ASSEMBLY 933
METHOD FOR INSTALLING TRACK ASSEMBLY 933
DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY 935
METHOD FOR DISASSEMBLING IDLER ASSEMBLY 935
METHOD FOR ASSEMBLING IDLER ASSEMBLY 936
DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY 938
METHOD FOR DISASSEMBLING TRACK ROLLER ASSEMBLY 938
METHOD FOR ASSEMBLING TRACK ROLLER ASSEMBLY 939
DISASSEMBLEAND ASSEMBLE CARRIER ROLLER ASSEMBLY 941
METHOD FOR DISASSEMBLING CARRIER ROLLER ASSEMBLY 941
METHOD FOR ASSEMBLING CARRIER ROLLER ASSEMBLY 942
REMOVE AND INSTALL REVOLVING FRAME ASSEMBLY 944
METHOD FOR REMOVING REVOLVING FRAME ASSEMBLY 944
METHOD FOR INSTALLING REVOLVING FRAME ASSEMBLY 945
REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY 947
METHOD FOR REMOVING COUNTERWEIGHT ASSEMBLY 947
METHOD FOR INSTALLING COUNTERWEIGHT ASSEMBLY 950
HYDRAULIC SYSTEM 955
REMOVE AND INSTALL CENTER SWIVEL JOINT ASSEMBLY 955
METHOD FOR REMOVING CENTER SWIVEL JOINT ASSEMBLY 955
METHOD FOR INSTALLING CENTER SWIVEL JOINT ASSEMBLY 956
DISASSEMBLE AND ASSEMBLE CENTER SWIVEL JOINT ASSEMBLY 959
METHOD FOR DISASSEMBLING CENTER SWIVEL JOINT ASSEMBLY 960
METHOD FOR ASSEMBLING CENTER SWIVEL JOINT ASSEMBLY 961
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY 962
METHOD FOR REMOVING HYDRAULIC TANK ASSEMBLY 962
METHOD FOR INSTALLING HYDRAULIC TANK ASSEMBLY 965
REMOVE AND INSTALL MAIN PUMP ASSEMBLY 968
METHOD FOR REMOVING MAIN PUMP ASSEMBLY 968
METHOD FOR INSTALLING MAIN PUMP ASSEMBLY 970
REMOVE AND INSTALL ACCUMULATOR ASSEMBLY 974
METHOD FOR REMOVING ACCUMULATOR ASSEMBLY (EU SPECIFICATION) 974
METHOD FOR REMOVING ACCUMULATOR ASSEMBLY (NORTH AMERICA SPECIFICATION, FOR MACHINE WITH QUICK COUPLER) 975
METHOD FOR INSTALLING ACCUMULATOR ASSEMBLY (EU SPECIFICATION) 977
METHOD FOR INSTALLING ACCUMULATOR ASSEMBLY (NORTH AMERICA SPECIFICATION, FOR MACHINE WITH QUICK COUPLER) 978
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT PPC VALVE ASSEMBLY 980
METHOD FOR DISASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY 980
METHOD FOR ASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY 981
DISASSEMBLE AND ASSEMBLE TRAVEL PPC VALVE ASSEMBLY 983
METHOD FOR DISASSEMBLING TRAVEL PPC VALVE ASSEMBLY 983
METHOD FOR ASSEMBLING TRAVEL PPC VALVE ASSEMBLY 984
WORK EQUIPMENT 986
REMOVE AND INSTALL WORK EQUIPMENT ASSEMBLY 986
METHOD FOR REMOVING WORK EQUIPMENT ASSEMBLY 986
METHOD FOR INSTALLING WORK EQUIPMENT ASSEMBLY 987
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT CYLINDER ASSEMBLY 990
METHOD FOR DISASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY 991
METHOD FOR ASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY 994
CAB AND ITS ATTACHMENTS 999
REMOVE AND INSTALL OPERATOR’S CAB ASSEMBLY (CAB SPEC) 999
METHOD FOR REMOVING OPERATOR’S CAB ASSEMBLY (CAB SPEC) 999
METHOD FOR INSTALLING OPERATOR’S CAB ASSEMBLY (CAB SPEC) 1002
REMOVE AND INSTALL FLOOR FRAME ASSEMBLY (CANOPY SPEC) 1006
METHOD FOR REMOVING FLOOR FRAME ASSEMBLY (CANOPY SPEC) 1006
METHOD FOR INSTALLING FLOOR FRAME ASSEMBLY (CANOPY SPEC) 1009
REMOVE AND INSTALL OPERATOR CAB GLASS (ADHERED GLASS) 1012
METHOD FOR REMOVING OPERATOR CAB GLASS (ADHERED GLASS) 1013
METHOD FOR INSTALLING OPERATOR CAB GLASS (ADHERED GLASS) 1014
REMOVE AND INSTALL FRONT WINDOW ASSEMBLY 1022
METHOD FOR REMOVING FRONT WINDOW ASSEMBLY 1022
METHOD FOR INSTALLING FRONT WINDOW ASSEMBLY 1023
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY 1025
METHOD FOR REMOVING AIR CONDITIONER UNIT ASSEMBLY 1025
METHOD FOR INSTALLING AIR CONDITIONER UNIT ASSEMBLY 1029
REMOVE AND INSTALL OPERATOR’S SEAT 1034
METHOD FOR REMOVING OPERATOR’S SEAT 1034
METHOD FOR INSTALLING OPERATOR’S SEAT 1034
REMOVE AND INSTALL SEAT BELT 1036
METHOD FOR REMOVING SEAT BELT 1036
METHOD FOR INSTALLING SEAT BELT 1036
ELECTRICAL SYSTEM 1037
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY 1037
METHOD FOR REMOVING ENGINE CONTROLLER ASSEMBLY 1037
METHOD FOR INSTALLING ENGINE CONTROLLER ASSEMBLY 1038
REMOVE AND INSTALL MACHINE CONTROLLER ASSEMBLY 1039
METHOD FOR REMOVING MACHINE CONTROLLER ASSEMBLY 1039
METHOD FOR INSTALLING MACHINE CONTROLLER ASSEMBLY 1040
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY 1042
METHOD FOR REMOVING MACHINE MONITOR ASSEMBLY 1042
METHOD FOR INSTALLING MACHINE MONITOR ASSEMBLY 1043
REMOVE AND INSTALL KOMTRAX TERMINAL ASSEMBLY 1045
METHOD FOR REMOVING KOMTRAX TERMINAL ASSEMBLY 1045
METHOD FOR INSTALLING KOMTRAX TERMINAL ASSEMBLY 1046
60 MAINTENANCE STANDARD 1049
CONTENTS 1050
ABBREVIATION LIST 1051
ENGINE AND COOLING SYSTEM 1057
MAINTENANCE STANDARD FOR PTO 1057
MAINTENANCE STANDARD OF COOLING SYSTEM 1058
POWER TRAIN 1059
MAINTENANCE STANDARD OF SWING CIRCLE 1059
MAINTENANCE STANDARD OF SWING MACHINERY 1060
MAINTENANCE STANDARD OF SPROCKET 1062
UNDERCARRIAGE AND FRAME 1063
MAINTENANCE STANDARD OF TRACK FRAME AND IDLER CUSHION 1063
MAINTENANCE STANDARD OF IDLER 1064
MAINTENANCE STANDARD OF TRACK ROLLER 1066
MAINTENANCE STANDARD OF CARRIER ROLLER 1067
MAINTENANCE STANDARD OF TRACK SHOE 1068
MAINTENANCE STANDARD OF TRIPLE SHOE 1070
MAINTENANCE STANDARD OF ROAD LINER 1071
MAINTENANCE STANDARD FOR RUBBER SHOE 1072
HYDRAULIC SYSTEM 1073
MAINTENANCE STANDARD OF HYDRAULIC TANK 1073
MAINTENANCE STANDARD OF MAIN PUMP 1074
MAINTENANCE STANDARD OF MAIN PUMP SERVO VALVE 1075
MAINTENANCE STANDARD OF PC-EPC VALVE 1076
MAINTENANCE STANDARD OF SWING MOTOR 1077
MAINTENANCE STANDARD OF TRAVEL MOTOR 1079
MAINTENANCE STANDARD OF CONTROL VALVE 1080
MAINTENANCE STANDARD OF WORK EQUIPMENT AND SWING PPC VALVE 1092
MAINTENANCE STANDARD OF BLADE PPC VALVE 1095
MAINTENANCE STANDARD OF BOOM SWING PPC VALVE 1097
MAINTENANCE STANDARD OF TRAVEL PPC VALVE 1099
MAINTENANCE STANDARD OF ATTACHMENT PPC VALVE 1102
MAINTENANCE STANDARD OF CENTER SWIVEL JOINT 1104
WORK EQUIPMENT 1105
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE 1105
DIMENSION OF ARM 1111
DIMENSIONS OF BUCKET 1115
MAINTENANCE STANDARD OF BOOM CYLINDER 1116
MAINTENANCE STANDARD OF ARM CYLINDER 1117
MAINTENANCE STANDARD OF BUCKET CYLINDER 1119
MAINTENANCE STANDARD OF BLADE CYLINDER 1121
MAINTENANCE STANDARD OF BOOM SWING CYLINDER 1122
80 APPENDIX 1125
CONTENTS 1126
ABBREVIATION LIST 1127
AIR CONDITIONER SYSTEM 1133
PRECAUTIONS FOR REFRIGERANT 1133
AIR CONDITIONER COMPONENT 1134
SPECIFICATIONS OF AIR CONDITIONER 1135
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE 1136
OUTLINE OF REFRIGERATION CYCLE 1137
COMPONENT PARTS OF AIR CONDITIONER SYSTEM 1139
AIR CONDITIONER UNIT 1139
CONFIGURATION DIAGRAM OF AIR CONDITIONER UNIT 1139
COMPRESSOR 1141
STRUCTURE OF COMPRESSOR 1141
SPECIFICATIONS OF COMPRESSOR 1141
FUNCTION OF COMPRESSOR 1141
CONDENSER 1143
STRUCTURE OF CONDENSER 1143
SPECIFICATIONS OF CONDENSER 1143
FUNCTION OF CONDENSER 1143
RECEIVER DRIER 1144
STRUCTURE OF RECEIVER DRIER 1144
SPECIFICATIONS OF RECEIVER DRIER 1144
FUNCTION OF RECEIVER DRIER 1144
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 1145
A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE) 1147
A-2 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS ABNORMAL) 1150
A-3 TROUBLESHOOTING FOR TEMPERATURE CONTROL FUNCTION 1154
A-4 TROUBLESHOOTING FOR AIR CONDITINOER COMPRESSOR AND COOLING SYSTEM (ELECTRICAL SYSTEM) 1157
A-5 TROUBLESHOOTING FOR AIR CONDITINOER COMPRESSOR AND COOLING SYSTEM (MECHANICAL SYSTEMS) 1161
A-6 TROUBLESHOOTING FOR HOT WATER CIRCUIT SYSTEM 1162
A-7 UNUSUAL NOISE IS HEARD FROM AIR CONDITINOER RELATED PARTS 1163
A-8 WATER LEAKS FROM AIR CONDITINOER RELATED PARTS 1164
A-9 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER 1165
PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER PIPINGS 1166
HANDLE COMPRESSOR OIL 1168
90 CIRCUIT DIAGRAMS 1169
CONTENTS 1170
ABBREVIATION LIST 1171
HYDRAULIC CIRCUIT DIAGRAM 1177
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM 1177
HYDRAULIC CIRCUIT DIAGRAM 1181
HYDRAULIC CIRCUIT DIAGRAM (QUICK COUPLER SPECIFICATIONS) (1/2) 1183
HYDRAULIC CIRCUIT DIAGRAM (QUICK COUPLER SPECIFICATIONS) (2/2) 1185
ELECTRICAL CIRCUIT DIAGRAM 1187
SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM 1187
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPEC) (1/5) 1191
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPEC) (2/5) 1193
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPEC) (3/5) 1195
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPEC) (4/5) 1197
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPEC) (5/5) 1199
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPECIFICATIONS, QUICK COUPLER SPECIFICATIONS) (1/5) 1201
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPECIFICATIONS, QUICK COUPLER SPECIFICATIONS) (2/5) 1203
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPECIFICATIONS, QUICK COUPLER SPECIFICATIONS) (3/5) 1205
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPECIFICATIONS, QUICK COUPLER SPECIFICATIONS) (4/5) 1207
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPECIFICATIONS, QUICK COUPLER SPECIFICATIONS) (5/5) 1209
ELECTRICAL CIRCUIT DIAGRAM (CAB SPEC) (1/6) 1211
ELECTRICAL CIRCUIT DIAGRAM (CAB SPEC) (2/6) 1213
ELECTRICAL CIRCUIT DIAGRAM (CAB SPEC) (3/6) 1215
ELECTRICAL CIRCUIT DIAGRAM (CAB SPEC) (4/6) 1217
ELECTRICAL CIRCUIT DIAGRAM (CAB SPEC) (5/6) 1219
ELECTRICAL CIRCUIT DIAGRAM (CAB SPEC) (6/6) 1221
ELECTRICAL CIRCUIT DIAGRAM (CAB SPECIFICATIONS, QUICK COUPLER SPECIFICATIONS) (1/6) 1223
ELECTRICAL CIRCUIT DIAGRAM (CAB SPECIFICATIONS, QUICK COUPLER SPECIFICATIONS) (2/6) 1225
ELECTRICAL CIRCUIT DIAGRAM (CAB SPECIFICATIONS, QUICK COUPLER SPECIFICATIONS) (3/6) 1227
ELECTRICAL CIRCUIT DIAGRAM (CAB SPECIFICATIONS, QUICK COUPLER SPECIFICATIONS) (4/6) 1229
ELECTRICAL CIRCUIT DIAGRAM (CAB SPECIFICATIONS, QUICK COUPLER SPECIFICATIONS) (5/6) 1231
ELECTRICAL CIRCUIT DIAGRAM (CAB SPECIFICATIONS, QUICK COUPLER SPECIFICATIONS) (6/6) 1233
INDEX 1235

DESCRIPTION:

Komatsu PC45MR-5 PC55MR-5 Compact Hydraulic Excavator Shop Manual SEN06574-08 – PDF DOWNLOAD 

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S.V  25/12/24