Komatsu PC30MR-5 PC35MR-5 HYDRAULIC EXCAVATOR Shop Manual WENBM00080 PDF

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Komatsu PC30MR-5 PC35MR-5 HYDRAULIC EXCAVATOR Shop Manual WENBM00080 – PDF DOWNLOAD

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Komatsu PC30MR-5 PC35MR-5 HYDRAULIC EXCAVATOR Shop Manual WENBM00080 – PDF DOWNLOAD

Language : English
Pages : 1264
Downloadable : Yes
File Type : PDF

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Komatsu PC30MR-5 PC35MR-5 HYDRAULIC EXCAVATOR Shop Manual WENBM00080 – PDF DOWNLOAD 

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TABLE OF CONTENTS:

Komatsu PC30MR-5 PC35MR-5 HYDRAULIC EXCAVATOR Shop Manual WENBM00080 – PDF DOWNLOAD

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: PC30MR-5 91
SPECIFICATION DRAWING: PC35MR-5 92
WORKING RANGE DRAWINGS 94
WORKING RANGE DRAWINGS: PC30MR-5 94
WORKING RANGE DRAWINGS: PC35MR-5 95
SPECIFICATIONS 96
SPECIFICATIONS: PC30MR-5 96
SPECIFICATIONS: PC35MR-5 99
WEIGHT TABLE 104
WEIGHT TABLE: PC30MR-5 104
WEIGHT TABLE: PC35MR-5 105
TABLE OF FUEL, COOLANT, AND LUBRICANTS 107
10 STRUCTURE AND FUNCTION 109
CONTENTS 110
ABBREVIATION LIST 112
BOOT-UP SYSTEM 118
LAYOUT DRAWING OF BOOT-UP SYSTEM 118
SYSTEM OPERATING LAMP SYSTEM 119
SYSTEM OPERATING LAMP SYSTEM DIAGRAM 119
FUNCTION OF SYSTEM OPERATING LAMP SYSTEM 119
QUICK RELEASE BATTERY TERMINAL (-) 121
FUNCTION OF QUICK RELEASE BATTERY TERMINAL (-) 121
ENGINE SYSTEM 122
LAYOUT DRAWING OF ENGINE SYSTEM 122
ENGINE CONTROL SYSTEM 123
ENGINE CONTROL SYSTEM DIAGRAM 123
FUNCTION OF ENGINE CONTROL SYSTEM 124
AUTO-DECELERATION SYSTEM 127
AUTO-DECELERATION SYSTEM DIAGRAM 127
FUNCTION OF AUTO-DECELERATION SYSTEM 127
OPERATION OF AUTO-DECELERATION SYSTEM 128
OVERHEAT PREVENTION SYSTEM 129
OVERHEAT PREVENTION SYSTEM DIAGRAM 129
FUNCTION OF OVERHEAT PREVENTION SYSTEM 129
AUTOMATIC IDLE STOP SYSTEM 131
AUTOMATIC IDLE STOP SYSTEM DIAGRAM 131
FUNCTION OF AUTOMATIC IDLE STOP SYSTEM 131
COMPONENT PARTS OF ENGINE SYSTEM 133
PTO 133
COOLING SYSTEM 134
LAYOUT DRAWING OF COOLING SYSTEM 134
SPECIFICATIONS OF COOLING SYSTEM 135
CONTROL SYSTEM 136
LAYOUT DRAWING OF CONTROL SYSTEM 136
MACHINE MONITOR SYSTEM 137
MACHINE MONITOR SYSTEM DIAGRAM 137
KOMTRAX SYSTEM 138
KOMTRAX SYSTEM DIAGRAM 138
FUNCTION OF KOMTRAX SYSTEM 138
COMPONENT PARTS OF CONTROL SYSTEM 139
MACHINE MONITOR 139
KOMTRAX TERMINAL 146
MACHINE CONTROLLER 148
RESISTOR FOR PC-EPC VALVE 152
FUEL CONTROL DIAL 152
HYDRAULIC SYSTEM 154
LAYOUT DRAWING OF HYDRAULIC SYSTEM 154
CLSS 157
STRUCTURE OF CLSS 157
FUNCTION OF CLSS 158
ENGINE AND PUMP COMBINED CONTROL SYSTEM 160
ENGINE AND PUMP COMBINED CONTROL SYSTEM DIAGRAM 160
FUNCTION OF ENGINE AND PUMP COMBINED CONTROL SYSTEM 161
COMPONENT PARTS OF HYDRAULIC SYSTEM 163
HYDRAULIC TANK 163
MAIN PUMP 167
CONTROL VALVE 177
WORK EQUIPMENT SYSTEM 221
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM 221
STRUCTURE OF VALVE CONTROL 225
PPC LOCK SYSTEM 227
PPC LOCK SYSTEM DIAGRAM 227
FUNCTION OF PPC LOCK SYSTEM 228
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM 229
FUNCTION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM 229
OPERATION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM 229
OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT 230
ATTACHMENT OIL FLOW ADJUSTER SYSTEM DIAGRAM 230
FUNCTION OF OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT 231
HYDRAULIC QUICK COUPLER WORKING SYSTEM 232
QUICK COUPLER WORKING SYSTEM DIAGRAM 232
FUNCTION OF QUICK COUPLER WORKING SYSTEM 232
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM 234
WORK EQUIPMENT AND SWING PPC VALVE 234
239
BLADE PPC VALVE 241
BOOM SWING PPC VALVE 242
BIPARTITE SOLENOID VALVE 244
QUICK COUPLER SOLENOID VALVE 247
PILOT CIRCUIT ACCUMULATOR 248
SWING SYSTEM 249
LAYOUT DRAWING OF SWING SYSTEM 249
COMPONENT PARTS OF SWING SYSTEM 250
SWING MOTOR 250
SWING MACHINERY 255
SWING CIRCLE 256
TRAVEL SYSTEM 257
LAYOUT DRAWING OF TRAVEL SYSTEM 257
TRAVEL CONTROL SYSTEM DIAGRAM 259
FUNCTION OF TRAVEL CONTROL SYSTEM 259
COMPONENT PARTS OF TRAVEL SYSTEM 261
TRAVEL MOTOR 261
TRAVEL PPC VALVE 268
CENTER SWIVEL JOINT 271
UNDERCARRIAGE AND FRAME 272
LAYOUT DRAWING OF UNDERCARRIAGE 272
SPECIFICATIONS OF UNDERCARRIAGE 272
IDLER CUSHION 273
STRUCTURE OF IDLER CUSHION 273
SPECIFICATIONS OF IDLER CUSHION 273
WORK EQUIPMENT 274
STRUCTURE OF WORK EQUIPMENT 274
FUNCTION OF WORK EQUIPMENT 275
WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM 276
FUNCTION OF WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM 276
CAB AND ITS ATTACHMENTS 277
ROPS CAB 277
STRUCTURE OF ROPS CAB 277
FUNCTION OF ROPS CAB 277
TILT TYPE FLOOR 278
STRUCTURE OF TILT TYPE FLOOR 278
FUNCTION OF TILT TYPE FLOOR 278
20 STANDARD VALUE TABLE 279
CONTENTS 280
ABBREVIATION LIST 281
STANDARD VALUE TABLE FOR ENGINE 287
STANDARD VALUE TABLE FOR ENGINE: PC30MR-5 287
STANDARD VALUE TABLE FOR ENGINE: PC35MR-5 289
STANDARD VALUE TABLE FOR MACHINE 291
STANDARD VALUE TABLE FOR MACHINE: PC30MR-5 291
STANDARD VALUE TABLE FOR MACHINE: PC35MR-5 305
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE 319
30 TESTING AND ADJUSTING 325
CONTENTS 326
ABBREVIATION LIST 329
RELATED INFORMATION ON TESTING AND ADJUSTING 335
TOOLS FOR TESTING AND ADJUSTING 335
SKETCH OF TOOLS FOR TESTING AND ADJUSTING 339
ENGINE AND COOLING SYSTEM 341
TEST ENGINE SPEED 341
METHOD FOR TESTING ENGINE SPEED 341
TEST EXHAUST GAS COLOR 344
METHOD FOR TESTING EXHAUST GAS COLOR BY HANDY SMOKE CHECKER 344
METHOD FOR TESTING EXHAUST GAS COLOR BY SMOKE METER 345
TEST AND ADJUST VALVE CLEARANCE 346
METHOD FOR TESTING VALVE CLEARANCE 346
METHOD FOR ADJUSTING VALVE CLEARANCE 347
TEST COMPRESSION PRESSURE 349
METHOD FOR TESTING COMPRESSION PRESSURE 349
TEST ENGINE OIL PRESSURE 352
METHOD FOR TESTING ENGINE OIL PRESSURE 352
TEST AND ADJUST FUEL INJECTION TIMING 354
METHOD FOR TESTING FUEL INJECTION TIMING 354
METHOD FOR ADJUSTING FUEL INJECTION TIMING 356
BLEED AIR FROM FUEL SYSTEM 359
METHOD FOR BLEEDING AIR FROM FUEL SYSTEM 359
TEST FUEL CIRCUIT FOR LEAKAGE 360
METHOD FOR TESTING FUEL CIRCUIT FOR LEAKAGE 360
TEST AND ADJUST ALTERNATOR BELT TENSION 361
METHOD FOR TESTING ALTERNATOR BELT TENSION 361
METHOD FOR ADJUSTING ALTERNATOR BELT TENSION 361
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION 362
METHOD FOR TESTING AIR CONDITIONER COMPRESSOR BELT TENSION 362
METHOD FOR ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION 362
POWER TRAIN 363
TEST SWING CIRCLE BEARING CLEARANCE 363
METHOD FOR TESTING SWING CIRCLE BEARING CLEARANCE 363
UNDERCARRIAGE AND FRAME 364
TEST AND ADJUST TRACK TENSION 364
METHOD FOR TESTING TRACK TENSION 364
METHOD FOR ADJUSTING TRACK TENSION 364
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 HYDRAULIC CYLINDER CIRCUIT 365
METHOD FOR RELEASING REMAINING PRESSURE FROM SWING MOTOR CIRCUIT 369
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 381
TEST AND ADJUST SWING AND BLADE CIRCUIT OIL PRESSURE 383
METHOD FOR TESTING SWING AND BLADE CIRCUIT OIL PRESSURE 383
METHOD FOR ADJUSTING SWING AND BLADE CIRCUIT OIL PRESSURE 388
TEST AND ADJUST OIL PRESSURE OF CONTROL CIRCUIT 390
390
METHOD FOR ADJUSTING OIL PRESSURE OF CONTROL CIRCUIT 392
ADJUST OIL PRESSURE IN PUMP PC CONTROL CIRCUIT 394
METHOD FOR ADJUSTING OIL PRESSURE IN PUMP PC CONTROL CIRCUIT 394
TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT 396
METHOD FOR TESTING LS DIFFERENTIAL PRESSURE BY MACHINE MONITOR 396
METHOD FOR TESTING LS DIFFERENTIAL PRESSURE BY TESTING TOOL 398
METHOD FOR ADJUSTING LS VALVE 399
TEST OUTLET PRESSURE OF SOLENOID VALVE 401
METHOD FOR TESTING OUTLET PRESSURE OF SOLENOID VALVE BY MACHINE MONITOR 401
METHOD FOR TESTING OUTLET PRESSURE OF SOLENOID VALVE BY TESTING TOOL 402
OPERATING CONDITION OF SOLENOID VALVE 403
TEST PPC VALVE OUTLET PRESSURE 405
METHOD FOR TESTING OUTLET PRESSURE OF PPC VALVE BY MACHINE MONITOR 406
METHOD FOR TESTING OUTLET PRESSURE OF PPC VALVE BY TESTING TOOL 409
ADJUST WORK EQUIPMENT AND SWING PPC VALVES 411
METHOD FOR ADJUSTING PLAY OF WORK EQUIPMENT AND SWING PPC VALVES 411
TEST SWING PARKING BRAKE RELEASE PRESSURE 412
METHOD FOR TESTING SWING PARKING BRAKE RELEASE PRESSURE 412
TEST AND ADJUST TRAVEL DEVIATION 413
METHOD FOR TESTING TRAVEL DEVIATION 413
METHOD FOR ADJUSTING TRAVEL DEVIATION 413
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT 416
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF BOOM CYLINDER AND BUCKET CYLINDER 416
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF ARM CYLINDER 416
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF PPC VALVE 417
TEST OIL LEAKAGE 418
METHOD FOR TESTING OIL LEAKAGE FROM BOOM CYLINDER 418
METHOD FOR TESTING OIL LEAKAGE FROM ARM CYLINDER 419
METHOD FOR TESTING OIL LEAKAGE FROM BUCKET CYLINDER 420
METHOD FOR TESTING OIL LEAKAGE FROM BLADE CYLINDER 420
BLEED AIR FROM HYDRAULIC CIRCUIT 422
METHOD FOR BLEEDING AIR FROM HYDRAULIC CIRCUIT 423
PRESSURIZE HYDRAULIC TANK 425
METHOD FOR PRESSURIZING HYDRAULIC TANK 425
CAB AND ITS ATTACHMENTS 426
OPENING AND CLOSING FLOOR UNIT 426
METHOD FOR OPENING FLOOR UNIT 427
METHOD FOR CLOSING FLOOR UNIT 431
ELECTRICAL SYSTEM 435
SET AND OPERATE MACHINE MONITOR 435
OPERATOR MODE 437
CHECKING FUNCTION BY LCD (LIQUID CRYSTAL DISPLAY) 437
CHECKING FUNCTION OF SERVICE METER 437
METHOD FOR SETTING USAGE LIMITATION AND CHANGING PASSWORD 438
SERVICE MODE 440
METHOD FOR OPERATING SERVICE MODE 440
METHOD FOR CHECKING PRE-DEFINED MONITORING INFORMATION 441
METHOD FOR CHECKING SELF-DEFINE MONITORING INFORMATION 443
ABNORMALITY RECORD MENU 449
METHOD FOR CONFIRMING MAINTENANCE RECORD 453
METHOD FOR OPERATING MAINTENANCE MODE SETTING 454
METHOD FOR OPERATING PHONE NUMBER ENTRY SETTING 458
DEFAULT MENU 459
ADJUSTMENT MENU 465
METHOD FOR OPERATING BATTERY DISCONNECT SWITCH SETTING 473
KOMTRAX SETTINGS MENU 474
METHOD FOR DISPLAYING SERVICE MESSAGE 476
METHOD FOR STARTING UP KOMTRAX TERMINAL 478
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER 483
HANDLE QUICK RELEASE BATTERY TERMINAL (-) 484
TEST DIODES 485
METHOD FOR TESTING DIODE USING DIGITAL TESTER 485
METHOD FOR TESTING DIODE USING ANALOG TESTER 485
Pm CLINIC 486
Pm CLINIC SERVICE 486
Pm CLINIC CHECK SHEET: PC30MR-5 486
Pm CLINIC CHECK SHEET: PC35MR-5 494
40 TROUBLESHOOTING 503
CONTENTS 504
ABBREVIATION LIST 508
RELATED INFORMATION ON TROUBLESHOOTING 514
GENERAL TROUBLESHOOTING POINTS 514
SEQUENCE OF EVENTS IN TROUBLESHOOTING 515
CHECKS BEFORE TROUBLESHOOTING 517
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING 519
WALK-AROUND CHECK 519
TESTING IN ACCORDANCE WITH TESTING PROCEDURE 521
CHECK FUEL LEVEL AND TYPE 521
WATER SEPARATOR – CHECK / DRAIN WATER AND SEDIMENT 522
TEST FUEL MAIN FILTER CARTRIDGE 522
CHECK ENGINE OIL LEVEL (OIL AMOUNT IN OIL PAN) 525
CHECK COOLANT LEVEL (RESERVOIR TANK) 525
CHECK CLOGGING OF AIR CLEANER 526
CLEAN OUTER ELEMENT (SINGLE ELEMENT) 527
REPLACE SINGLE ELEMENT 529
CHECK HYDRAULIC OIL LEVEL 530
CHECK HYDRAULIC OIL STRAINER 534
CHECK HYDRAULIC FILTER 536
CHECK OIL LEVEL IN FINAL DRIVE CASE 537
BLEED AIR FROM FUEL SYSTEM 537
BLEED AIR FROM HYDRAULIC SYSTEM 537
ELECTRICAL EQUIPMENT – CHECK METHOD 538
ELECTRICAL SYSTEM TROUBLESHOOTING – PREPARATION 545
PROCEDURE FOR TESTING AND TROUBLESHOOTING 549
SYMPTOMS OF FAILURE AND TROUBLESHOOTING NUMBERS 552
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 556
CONNECTOR CONTACT IDENTIFICATION 558
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE 598
FUSE LOCATION TABLE 604
FAILURE CODES TABLE 607
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) 613
FAILURE CODE [6AZ0ZG] 613
FAILURE CODE [989L00] 615
FAILURE CODE [989M00] 616
FAILURE CODE [989N00] 617
FAILURE CODE [B@BCNS] 618
FAILURE CODE [D19JKZ] 619
FAILURE CODE [D811MC] 622
FAILURE CODE [D862KA] 623
FAILURE CODE [D8ALKA] 624
FAILURE CODE [D8ALKB] 626
FAILURE CODE [D8AQKR] 628
FAILURE CODE [DAF0KT] 630
FAILURE CODE [DAF0MB] 631
FAILURE CODE [DAF0MC] 632
FAILURE CODE [DAF3KK] 633
FAILURE CODE [DAF9KQ] 635
FAILURE CODE [DAFGMC] 636
FAILURE CODE [DAFLKA] 637
FAILURE CODE [DAFLKB] 639
FAILURE CODE [DAFQKR] 641
FAILURE CODE [DB2QKR] 642
FAILURE CODE [DBH0MC] 646
FAILURE CODE [DBH2KK] 647
FAILURE CODE [DBH5KP] 649
FAILURE CODE [DBH9KQ] 652
FAILURE CODE [DBHLKA] 655
FAILURE CODE [DBHLKB] 657
FAILURE CODE [DBHQKR] 659
FAILURE CODE [DDNRKA] 664
FAILURE CODE [DDNRKY] 666
FAILURE CODE [DDNS00] 668
FAILURE CODE [DDWLKA] 670
FAILURE CODE [DDWLKB] 672
FAILURE CODE [DFB1KZ] 674
FAILURE CODE [DFB2KZ] 676
FAILURE CODE [DFB3L8] 678
FAILURE CODE [DFB4L8] 681
FAILURE CODE [DFB5KZ] 684
FAILURE CODE [DFB6KZ] 686
FAILURE CODE [DHS1MA] 688
FAILURE CODE [DHS5MA] 690
FAILURE CODE [DHX1MA] 692
FAILURE CODE [DKULKA] 694
FAILURE CODE [DKULKB] 696
FAILURE CODE [DKULKY] 698
FAILURE CODE [DV00KB] 700
FAILURE CODE [DV20KB] 701
FAILURE CODE [DV50KB] 703
FAILURE CODE [DV50KY] 705
FAILURE CODE [DW43KA] 707
FAILURE CODE [DW43KB] 709
FAILURE CODE [DW43KY] 711
FAILURE CODE [DW4CKY] 712
FAILURE CODE [DXA8KA] 714
FAILURE CODE [DXA8KB] 717
FAILURE CODE [DXE7KA] 719
FAILURE CODE [DXE7KB] 721
FAILURE CODE [DXE7KY] 723
FAILURE CODE [DXE8KA] 725
FAILURE CODE [DXE8KB] 727
FAILURE CODE [DXE8KY] 729
FAILURE CODE [DXE9KA] 731
FAILURE CODE [DXE9KB] 733
FAILURE CODE [DXE9KY] 735
FAILURE CODE [DXEAKA] 737
FAILURE CODE [DXEAKB] 739
FAILURE CODE [DXEAKY] 741
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) 743
E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK) 743
E-2 ENGINE DOES NOT START (FUEL FEED PUMP SYSTEM) 750
E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK 752
E-4 WHEN STARTING SWITCH IS TURNED TO ON POSITION, MACHINE MONITOR DISPLAYS NOTHING 754
E-5 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING 757
E-6 CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 758
E-7 FUEL LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 759
E-8 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 760
E-9 ENGINE OIL PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 761
E-10 FUEL GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM 762
E-11 DISPLAY OF FUEL GAUGE DIFFERS FROM ACTUAL FUEL LEVEL 764
E-12 ENGINE COOLANT TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM 765
E-13 DISPLAY OF ENGINE COOLANT TEMPERATURE GAUGE DIFFERS FROM ACTUAL COOLANT TEMPERATURE 766
E-14 SOME AREAS OF MACHINE MONITOR SCREEN ARE NOT DISPLAYED 767
E-15 FUNCTION SWITCH DOES NOT OPERATE 768
E-16 AUTO-DECELERATOR IS NOT OPERATED OR CANCELED WITH LEVER 769
E-17 WHEN WORKING MODE IS CHANGED, SETTING OF ENGINE AND HYDRAULIC PUMP IS NOT CHANGED 770
E-18 WHEN TRAVEL SPEED SELECTION IS CHANGED, ACTUAL TRAVEL SPEED DOES NOT CHANGE 771
E-19 ALARM BUZZER DOES NOT SOUND 773
E-20 ALARM BUZZER CANNOT BE CANCELED 774
E-21 SERVICE METER IS NOT DISPLAYED, WHILE STARTING SWITCH IS IN OFF POSITION 775
E-22 SERVICE MODE CANNOT BE SELECTED 776
E-23 ALL OF WORK EQUIPMENTS, SWING, AND TRAVEL MECHANISM DO NOT MOVE 777
E-24 ALL OF WORK EQUIPMENT, SWING, AND TRAVEL MECHANISM DO NOT LOCK 779
E-25 ALARM DOES NOT SOUND DURING TRAVEL 781
E-26 ALARM DOES NOT STOP SOUNDING WHILE MACHINE IS STOPPED 783
E-27 HORN DOES NOT SOUND 784
E-28 HORN DOES NOT STOP SOUNDING 787
E-29 WORKING LAMP AND HEADLAMP DOES NOT LIGHT UP (CANOPY SPEC) 789
E-30 NONE OF WORKING LAMP, TRAVEL LAMP, OR ADDITIONAL LAMP DOES NOT LIGHT UP (CAB SPEC) 793
E-31 WHEN WIPER SWITCH IS OPERATED, WINDSHIELD WIPER DOES NOT OPERATE 797
E-32 WHEN WINDOW WASHER SWITCH IS OPERATED, WINDOW WASHER DOES NOT OPERATE 799
E-33 TRAVEL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION 801
E-34 Swing or Arm IN IS NOT DISPLAYED NORMALLY IN MONITORING FUNCTION 802
E-35 Work equipment IS NOT DISPLAYED NORMALLY IN MONITORING FUNCTION 803
E-36 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY 805
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) 806
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE) 806
H-1 ALL WORK EQUIPMENT, TRAVEL, SWING OR BLADE DO NOT OPERATE 807
H-2 ALL WORK EQUIPMENTS OR TRAVEL DOES NOT OPERATE 808
H-3 TRAVEL OR BLADE DOES NOT OPERATE 809
H-4 SWING OR BLADE DOES NOT OPERATE 810
H-5 ALL WORK EQUIPMENT, TRAVEL, SWING AND BLADE SPEED OR POWER IS LOW 811
H-6 ALL WORK EQUIPMENT AND TRAVEL SPEED OR POWER IS LOW 812
H-7 TRAVEL AND BLADE SPEED OR POWER IS LOW 813
H-8 SWING AND BLADE SPEED OR POWER IS LOW 814
H-9 FINE CONTROL PERFORMANCE OR RESPONSE IS POOR 815
H-10 UNUSUAL NOISE IS HEARD FROM AROUND MAIN PUMP 816
H-11 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS 817
H-12 ALL WORK EQUIPMENTS SPEED OR POWER IS LOW 819
H-13 ALL WORK EQUIPMENTS AND BLADE SPEED OR POWER IS LOW 820
H-14 BLADE DOES NOT OPERATE 821
H-15 ALL WORK EQUIPMENTS DO NOT OPERATE 822
H-16 ALL WORK EQUIPMENTS OR BLADE DO NOT OPERATE 823
H-17 SPEED OR POWER OF BOOM IS LOW 824
H-18 ARM SPEED OR POWER IS LOW 826
H-19 BUCKET SPEED OR POWER IS LOW 827
H-20 BLADE SPEED OR POWER IS LOW 828
H-21 BOOM SWING SPEED OR POWER IS LOW 830
H-22 WORK EQUIPMENT DOES NOT MOVE IN SINGLE OPERATION 831
H-23 HYDRAULIC DRIFT OF BOOM IS LARGE 832
H-24 HYDRAULIC DRIFT OF ARM IS LARGE 833
H-25 HYDRAULIC DRIFT OF BUCKET IS LARGE 834
H-26 HYDRAULIC DRIFT OF BLADE IS LARGE 835
H-27 TIME LAG OF WORK EQUIPMENT IS LARGE 837
H-28 IN COMBINED OPERATION OF WORK EQUIPMENT, EQUIPMENT HAVING HEAVIER LOAD MOVES SLOWER 838
H-29 MACHINE DOES NOT TRAVEL STRAIGHT 839
H-30 MACHINE DOES NOT MOVE OFF STRAIGHT 841
H-31 MACHINE IS NOT STEERED WELL OR STEERING POWER IS LOW 842
H-32 TRAVEL SPEED IS LOW 844
H-33 BOTH SIDES OF CRAWLERS DO NOT MOVE 846
H-34 ONE OF TRACKS DOES NOT RUN 847
H-35 TRAVEL SPEED DOES NOT CHANGE, OR TRAVEL SPEED IS TOO SLOW OR FAST 849
H-36 UPPER STRUCTURE DOES NOT SWING BOTH TO THE RIGHT AND LEFT 850
H-37 SWINGS ONLY IN ONE DIRECTION 852
H-38 SWING ACCELERATION OR SWING SPEED IS LOW IN BOTH DIRECTIONS (RIGHT AND LEFT) 854
H-39 SWING ACCELERATION PERFORMANCE IS POOR OR SWING SPEED IS SLOW IN ONLY ONE DIRECTION 856
H-40 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (BOTH RIGHT AND LEFT) 857
H-41 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (ONLY ONE DIRECTION EITHER RIGHT OR LEFT) 858
H-42 SHOCK IS LARGE WHEN UPPER STRUCTURE STOPS SWINGING 859
H-43 LARGE UNUSUAL NOISE IS HEARD WHEN UPPER STRUCTURE STOPS SWINGING 860
H-44 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS APPLIED) 861
H-45 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS RELEASED) 862
TROUBLESHOOTING OF ENGINE (S-MODE) 863
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE) 863
S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION 864
S-2 ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT 865
S-3 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS BUT DOES NOT START) 866
S-4 ENGINE STARTABILITY IS POOR 867
S-5 ENGINE DOES NOT PICK UP SMOOTHLY 869
S-6 ENGINE STOPS DURING OPERATION 870
S-7 ENGINE RUNS ROUGH OR IS UNSTABLE 872
S-8 ENGINE LACKS POWER 873
S-9 ENGINE OIL CONSUMPTION IS EXCESSIVE 875
S-10 OIL BECOMES CONTAMINATED QUICKLY 876
S-11 FUEL CONSUMPTION IS EXCESSIVE 877
S-12 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN) 878
S-13 OIL PRESSURE DROPS 879
S-14 FUEL MIXES INTO ENGINE OIL 881
S-15 WATER MIXES INTO ENGINE OIL (MILKY) 882
S-16 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING) 883
S-17 UNUSUAL NOISE IS HEARD 884
S-18 VIBRATION IS EXCESSIVE 885
S-19 AIR CANNOT BE BLED FROM FUEL CIRCUIT 886
50 DISASSEMBLY AND ASSEMBLY 887
CONTENTS 888
ABBREVIATION LIST 891
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY 897
HOW TO READ THIS MANUAL 897
COATING MATERIALS LIST 899
SPECIAL TOOLS LIST 903
SKETCHES OF SPECIAL TOOLS 909
ENGINE AND COOLING SYSTEM 910
REMOVE AND INSTALL RADIATOR AND HYDRAULIC OIL COOLER ASSEMBLY 910
METHOD FOR REMOVING RADIATOR AND HYDRAULIC OIL COOLER ASSEMBLY 910
METHOD FOR INSTALLING RADIATOR AND HYDRAULIC OIL COOLER ASSEMBLY 917
REMOVE AND INSTALL ENGINE AND MAIN PUMP ASSEMBLY 923
METHOD FOR REMOVING ENGINE AND MAIN PUMP ASSEMBLY 923
METHOD FOR INSTALLING ENGINE AND MAIN PUMP ASSEMBLY 931
REMOVE AND INSTALL FUEL COOLER ASSEMBLY 938
METHOD FOR REMOVING FUEL COOLER ASSEMBLY 938
METHOD FOR INSTALLING FUEL COOLER ASSEMBLY 940
REMOVE AND INSTALL FUEL TANK ASSEMBLY 942
METHOD FOR REMOVING FUEL TANK ASSEMBLY 942
METHOD FOR INSTALLING FUEL TANK ASSEMBLY 944
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY 947
METHOD FOR REMOVING AIR CONDITIONER CONDENSER ASSEMBLY 947
METHOD FOR INSTALLING AIR CONDITIONER CONDENSER ASSEMBLY 948
POWER TRAIN 950
REMOVE AND INSTALL TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY 950
METHOD FOR REMOVING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY 950
METHOD FOR INSTALLING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY 952
REMOVE AND INSTALL SWING MOTOR AND SWING MACHINERY ASSEMBLY 954
METHOD FOR REMOVING SWING MOTOR AND SWING MACHINERY ASSEMBLY 954
METHOD FOR INSTALLING SWING MOTOR AND SWING MACHINERY ASSEMBLY 955
DISASSEMBLE AND ASSEMBLE SWING MACHINERY ASSEMBLY 957
METHOD FOR DISASSEMBLING SWING MACHINERY ASSEMBLY 957
METHOD FOR ASSEMBLING SWING MACHINERY ASSEMBLY 960
REMOVE AND INSTALL SWING CIRCLE ASSEMBLY 964
METHOD FOR REMOVING SWING CIRCLE ASSEMBLY 964
METHOD FOR INSTALLING SWING CIRCLE ASSEMBLY 964
UNDERCARRIAGE AND FRAME 966
DISASSEMBLE AND ASSEMBLE RECOIL SPRING 966
METHOD FOR DISASSEMBLING AND ASSEMBLING RECOIL SPRING 966
METHOD FOR ASSEMNLING RECOIL SPRING ASSEMBLY 967
SEPARATION AND CONNECTION OF TRACK ASSEMBLY 969
METHOD FOR SEPARATING TRACK ASSEMBLY 969
METHOD FOR INSTALLING TRACK ASSEMBLY 969
DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY 971
METHOD FOR DISASSEMBLING IDLER ASSEMBLY 971
METHOD FOR ASSEMBLING IDLER ASSEMBLY 972
DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY 975
METHOD FOR DISASSEMBLING TRACK ROLLER ASSEMBLY 975
METHOD FOR ASSEMBLING TRACK ROLLER ASSEMBLY 976
DISASSEMBLEAND ASSEMBLE CARRIER ROLLER ASSEMBLY 978
METHOD FOR DISASSEMBLING CARRIER ROLLER ASSEMBLY 978
METHOD FOR ASSEMBLING CARRIER ROLLER ASSEMBLY 979
REMOVE AND INSTALL REVOLVING FRAME ASSEMBLY 981
METHOD FOR REMOVING REVOLVING FRAME ASSEMBLY 981
METHOD FOR INSTALLING REVOLVING FRAME ASSEMBLY 982
REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY 984
METHOD FOR REMOVING COUNTERWEIGHT ASSEMBLY 984
METHOD FOR INSTALLING COUNTERWEIGHT ASSEMBLY 987
HYDRAULIC SYSTEM 991
REMOVE AND INSTALL CENTER SWIVEL JOINT ASSEMBLY 991
METHOD FOR REMOVING CENTER SWIVEL JOINT ASSEMBLY 991
METHOD FOR INSTALLING CENTER SWIVEL JOINT ASSEMBLY 993
DISASSEMBLE AND ASSEMBLE CENTER SWIVEL JOINT ASSEMBLY 995
METHOD FOR DISASSEMBLING CENTER SWIVEL JOINT ASSEMBLY 996
METHOD FOR ASSEMBLING CENTER SWIVEL JOINT ASSEMBLY 997
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY 998
METHOD FOR REMOVING HYDRAULIC TANK ASSEMBLY 998
METHOD FOR INSTALLING HYDRAULIC TANK ASSEMBLY 1001
REMOVE AND INSTALL MAIN PUMP ASSEMBLY 1004
METHOD FOR REMOVING MAIN PUMP ASSEMBLY 1004
METHOD FOR INSTALLING MAIN PUMP ASSEMBLY 1007
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT PPC VALVE ASSEMBLY 1010
METHOD FOR DISASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY 1010
METHOD FOR ASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY 1011
DISASSEMBLE AND ASSEMBLE TRAVEL PPC VALVE ASSEMBLY 1013
METHOD FOR DISASSEMBLING TRAVEL PPC VALVE ASSEMBLY 1013
METHOD FOR ASSEMBLING TRAVEL PPC VALVE ASSEMBLY 1014
WORK EQUIPMENT 1016
REMOVE AND INSTALL WORK EQUIPMENT ASSEMBLY 1016
METHOD FOR REMOVING WORK EQUIPMENT ASSEMBLY 1016
METHOD FOR INSTALLING WORK EQUIPMENT ASSEMBLY 1018
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT CYLINDER ASSEMBLY 1020
METHOD FOR DISASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY 1021
METHOD FOR ASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY 1024
CAB AND ITS ATTACHMENTS 1029
REMOVE AND INSTALL OPERATOR’S CAB ASSEMBLY (CAB SPEC) 1029
METHOD FOR REMOVING OPERATOR’S CAB ASSEMBLY (CAB SPEC) 1029
METHOD FOR INSTALLING OPERATOR’S CAB ASSEMBLY (CAB SPEC) 1035
METHOD FOR INSTALLING FLOOR FRAME ASSEMBLY (CANOPY SPEC) 1040
REMOVE AND INSTALL FLOOR FRAME ASSEMBLY (CANOPY SPEC) 1040
METHOD FOR REMOVING FLOOR FRAME ASSEMBLY (CANOPY SPEC) 1045
REMOVE AND INSTALL OPERATOR CAB GLASS (ADHERED GLASS) 1049
METHOD FOR REMOVING OPERATOR CAB GLASS (ADHERED GLASS) 1050
METHOD FOR INSTALLING OPERATOR CAB GLASS (ADHERED GLASS) 1051
REMOVE AND INSTALL FRONT WINDOW ASSEMBLY 1059
METHOD FOR REMOVING FRONT WINDOW ASSEMBLY 1059
METHOD FOR INSTALLING FRONT WINDOW ASSEMBLY 1060
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY 1062
METHOD FOR REMOVING AIR CONDITIONER UNIT ASSEMBLY 1062
METHOD FOR INSTALLING AIR CONDITIONER UNIT ASSEMBLY 1066
REMOVE AND INSTALL OPERATOR’S SEAT 1071
METHOD FOR REMOVING OPERATOR’S SEAT 1071
METHOD FOR INSTALLING OPERATOR’S SEAT 1071
REMOVE AND INSTALL SEAT BELT 1073
METHOD FOR REMOVING SEAT BELT 1073
METHOD FOR INSTALLING SEAT BELT 1073
ELECTRICAL SYSTEM 1074
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY 1074
METHOD FOR REMOVING ENGINE CONTROLLER ASSEMBLY 1074
METHOD FOR INSTALLING ENGINE CONTROLLER ASSEMBLY 1075
REMOVE AND INSTALL MACHINE CONTROLLER ASSEMBLY 1076
METHOD FOR REMOVING MACHINE CONTROLLER ASSEMBLY 1076
METHOD FOR INSTALLING MACHINE CONTROLLER ASSEMBLY 1077
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY 1079
METHOD FOR REMOVING MACHINE MONITOR ASSEMBLY 1079
METHOD FOR INSTALLING MACHINE MONITOR ASSEMBLY 1080
REMOVE AND INSTALL KOMTRAX TERMINAL ASSEMBLY 1082
METHOD FOR REMOVING KOMTRAX TERMINAL ASSEMBLY 1082
METHOD FOR INSTALLING KOMTRAX TERMINAL ASSEMBLY 1084
REMOVE AND INSTALL QUICK RELEASE BATTERY TERMINAL (-) 1086
METHOD FOR INSTALLING QUICK RELEASE BATTERY TERMINAL (-) 1086
METHOD FOR REMOVING QUICK RELEASE BATTERY TERMINAL (-) 1087
60 MAINTENANCE STANDARD 1089
CONTENTS 1090
ABBREVIATION LIST 1091
ENGINE AND COOLING SYSTEM 1097
MAINTENANCE STANDARD FOR PTO 1097
MAINTENANCE STANDARD OF COOLING SYSTEM 1098
POWER TRAIN 1099
MAINTENANCE STANDARD OF SWING CIRCLE 1099
MAINTENANCE STANDARD OF SWING MACHINERY 1100
MAINTENANCE STANDARD OF SPROCKET 1102
UNDERCARRIAGE AND FRAME 1103
MAINTENANCE STANDARD OF TRACK FRAME AND IDLER CUSHION 1103
MAINTENANCE STANDARD OF IDLER 1105
MAINTENANCE STANDARD OF TRACK ROLLER 1107
MAINTENANCE STANDARD OF CARRIER ROLLER 1108
MAINTENANCE STANDARD OF TRACK SHOE 1109
MAINTENANCE STANDARD OF DOUBLE SHOE 1111
MAINTENANCE STANDARD OF ROAD LINER 1112
MAINTENANCE STANDARD FOR RUBBER SHOE 1113
HYDRAULIC SYSTEM 1114
MAINTENANCE STANDARD OF HYDRAULIC TANK 1114
MAINTENANCE STANDARD OF MAIN PUMP 1115
MAINTENANCE STANDARD OF MAIN PUMP SERVO VALVE 1116
MAINTENANCE STANDARD OF PC-EPC VALVE 1117
MAINTENANCE STANDARD OF SWING MOTOR 1118
MAINTENANCE STANDARD OF TRAVEL MOTOR 1120
MAINTENANCE STANDARD OF CONTROL VALVE 1121
MAINTENANCE STANDARD OF WORK EQUIPMENT AND SWING PPC VALVE 1131
MAINTENANCE STANDARD OF BLADE PPC VALVE 1134
MAINTENANCE STANDARD OF BOOM SWING PPC VALVE 1136
MAINTENANCE STANDARD OF TRAVEL PPC VALVE 1138
MAINTENANCE STANDARD OF CENTER SWIVEL JOINT 1141
WORK EQUIPMENT 1142
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE 1142
DIMENSION OF ARM 1152
DIMENSIONS OF BUCKET 1154
MAINTENANCE STANDARD OF BOOM CYLINDER 1157
MAINTENANCE STANDARD OF ARM CYLINDER 1159
MAINTENANCE STANDARD OF BUCKET CYLINDER 1161
MAINTENANCE STANDARD OF BLADE CYLINDER 1162
MAINTENANCE STANDARD OF BOOM SWING CYLINDER 1164
80 APPENDIX 1167
CONTENTS 1168
ABBREVIATION LIST 1169
AIR CONDITIONER SYSTEM 1175
PRECAUTIONS FOR REFRIGERANT 1175
AIR CONDITIONER COMPONENT 1176
SPECIFICATIONS OF AIR CONDITIONER 1177
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE 1178
OUTLINE OF REFRIGERATION CYCLE 1179
COMPONENT PARTS OF AIR CONDITIONER SYSTEM 1181
AIR CONDITIONER UNIT 1181
CONFIGURATION DIAGRAM OF AIR CONDITIONER UNIT 1181
COMPRESSOR 1183
STRUCTURE OF COMPRESSOR 1183
SPECIFICATIONS OF COMPRESSOR 1183
FUNCTION OF COMPRESSOR 1183
CONDENSER 1185
STRUCTURE OF CONDENSER 1185
SPECIFICATIONS OF CONDENSER 1185
FUNCTION OF CONDENSER 1185
RECEIVER DRIER 1186
STRUCTURE OF RECEIVER DRIER 1186
SPECIFICATIONS OF RECEIVER DRIER 1186
FUNCTION OF RECEIVER DRIER 1186
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 1187
A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE) 1189
A-2 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS ABNORMAL) 1192
A-3 TROUBLESHOOTING FOR TEMPERATURE CONTROL FUNCTION 1196
A-4 TROUBLESHOOTING FOR AIR CONDITINOER COMPRESSOR AND COOLING SYSTEM (ELECTRICAL SYSTEM) 1199
A-5 TROUBLESHOOTING FOR AIR CONDITINOER COMPRESSOR AND COOLING SYSTEM (MECHANICAL SYSTEMS) 1203
A-6 TROUBLESHOOTING FOR HOT WATER CIRCUIT SYSTEM 1204
A-7 UNUSUAL NOISE IS HEARD FROM AIR CONDITINOER RELATED PARTS 1205
A-8 WATER LEAKS FROM AIR CONDITINOER RELATED PARTS 1206
A-9 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER 1207
PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER PIPINGS 1208
HANDLE COMPRESSOR OIL 1210
90 CIRCUIT DIAGRAMS 1211
CONTENTS 1212
ABBREVIATION LIST 1213
HYDRAULIC CIRCUIT DIAGRAM 1219
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM 1219
HYDRAULIC CIRCUIT DIAGRAM (1/2) 1223
HYDRAULIC CIRCUIT DIAGRAM (2/2) 1225
ELECTRICAL CIRCUIT DIAGRAM 1227
SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM 1227
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPEC) (1/5) 1231
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPEC) (2/5) 1233
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPEC) (3/5) 1235
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPEC) (4/5) 1237
ELECTRICAL CIRCUIT DIAGRAM (CANOPY SPEC) (5/5) 1239
ELECTRICAL CIRCUIT DIAGRAM (CAB SPEC) (1/6) 1241
ELECTRICAL CIRCUIT DIAGRAM (CAB SPEC) (2/6) 1243
ELECTRICAL CIRCUIT DIAGRAM (CAB SPEC) (3/6) 1245
ELECTRICAL CIRCUIT DIAGRAM (CAB SPEC) (4/6) 1247
ELECTRICAL CIRCUIT DIAGRAM (CAB SPEC) (5/6) 1249
ELECTRICAL CIRCUIT DIAGRAM (CAB SPEC) (6/6) 1251
INDEX 1253

S.V 12/12/24