Komatsu Hydraulic Excavators PC300, PC300LC, PC350, PC350LC, PC350HD, PC350LCD, PC350NLC, PC350NLCD Series Repair Service Manuals + Operation Maintenance Manuals

Complete service repair manual with Electrical Wiring Diagrams for Komatsu Hydraulic Excavators PC300, PC300LC, PC350, PC350LC, PC350HD, PC350LCD, PC350NLC, PC350NLCD Series, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.

Komatsu Hydraulic Excavator PC300-6, PC300LC-6, PC350-6, PC350LC-6, PC300-7, PC300LC-7, PC350-7, PC350LC-7, PC300-8, PC300LC-8, PC350-8, PC350LC-8, PC350HD-8, PC350LCD-8, PC350NLC-8, PC350NLCD-8 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: 11,450 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English

CEAM021801 - Hydraulic Excavator PC350LC-8, PC350HD-8 Operation & Maintenance Manual.pdf
CEBM007501 - Hydraulic Excavator PC350LC-8, PC350HD-8 Shop Manual.pdf
SEAM009000 - Hydraulic Excavator PC300-6, PC300LC-6, PC350-6, PC350LC-6 Operation & Maintenance Manual.pdf
SEAM009001 - Hydraulic Excavator PC300-6, PC300LC-6, PC350-6, PC350LC-6 Operation & Maintenance Manual.pdf
SEAM009003T - Hydraulic Excavator PC300-6, PC300LC-6, PC350-6, PC350LC-6 Operation & Maintenance Manual.pdf
SEAM046000T - Hydraulic Excavator GALEO PC300-7, PC300LC-7, PC350-7, PC350LC-7 Operation & Maintenance Manual.pdf
SEBM006603 - Hydraulic Excavator PC300-6, PC300LC-6, PC350-6, PC350LC-6 Shop Manual.pdf
SEBM014307 - Hydraulic Excavator PC300-6, PC300LC-6, PC350-6, PC350LC-6 Shop Manual.pdf
SEBM025800 - Hydraulic Excavator PC300, 300LC-7, PC350, PC350LC-7 Shop Manual.pdf
SEBM025800 - Hydraulic Excavator PC300-7, PC300LC-7, PC350-7, PC350LC-7 Shop Manual.pdf
SEBM025811 - Hydraulic Excavator PC300-7, PC300LC-7, PC350-7, PC350LC-7 Shop Manual.pdf
SEN01983-01 - Hydraulic Excavator PC300-8, PC300LC-8, PC350-8, PC350LC-8 Shop Manual.pdf
SEN01983-03 - Hydraulic Excavator GALEO PC300-8, PC300LC-8, PC350-8, PC350LC-8 Shop Manual.pdf
SEN01983-04 - Hydraulic Excavator PC300-8, PC300LC-8, PC350-8, PC350LC-8 Shop Manual.pdf
SEN01983-15 - Hydraulic Excavator PC300-8, PC300LC-8, PC350-8, PC350LC-8 Shop Manual.pdf
TEN00055-02 - Hydraulic Excavator GALEO PC300-7, PC300LC-7, PC350-7, PC350LC-7 Operation & Maintenance Manual.pdf
TEN00056-02 - Hydraulic Excavator GALEO PC300-7, PC300LC-7, PC350-7, PC350LC-7 Operation & Maintenance Manual.pdf
TEN00182-03 - Hydraulic Excavator PC300-8, PC300LC-8, PC350-8, PC350LC-8 Shop Manual.pdf
UEN01983-03 - Hydraulic Excavator PC350LC-8, PC350LCD-8, PC350NLC-8, PC350NLCD-8 Shop Manual.pdf

MAIN SECTIONS
COVER...1
00 INDEX AND FOREWORD...0
  INDEX...3
    COMPOSITION OF SHOP MANUAL...4
    TABLE OF CONTENTS...6
  FOREWORD AND GENERAL INFORMATION...15
    SAFETY NOTICE...16
    HOW TO READ THE SHOP MANUAL...21
    EXPLANATION OF TERMS FOR MAINTENANCE STANDARD...23
    HANDLING OF ELECTRIC EQUIPMENT AND HYDRAULIC COMPONENT...25
    HANDLING OF CONNECTORS NEWLY USED FOR ENGINES...34
    HOW TO READ ELECTRIC WIRE CODE...37
    PRECAUTIONS WHEN CARRYING OUT OPERATION...40
    METHOD OF DISASSEMBLING AND CONNECTING PUSH-PULL TYPE COUPLER...43
    STANDARD TIGHTENING TORQUE TABLE...46
    CONVERSION TABLE...50
01 SPECIFICATION...0
  SPECIFICATION AND TECHNICAL DATA...57
    SPECIFICATION DIMENSION DRAWINGS...58
    SPECIFICATIONS...60
    WEIGHT TABLE...66
    TABLE OF FUEL, COOLANT AND LUBRICANTS...68
10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD...0
  ENGINE AND COOLING SYSTEM...71
    ENGINE RELATED PARTS...72
    RADIATOR, OIL COOLER AND AFTERCOOLER...73
  POWER TRAIN...75
    POWER TRAIN...76
    SWING CIRCLE...77
    SWING MACHINERY...78
    FINAL DRIVE...80
    SPROCKET...82
  UNDERCARRIAGE AND FRAME...85
    TRACK FRAME AND RECOIL SPRING...86
    IDLER...88
    CARRIER ROLLER...90
    TRACK ROLLER...91
    TRACK SHOE...92
  HYDRAULIC SYSTEM, PART 1...97
    HYDRAULIC EQUIPMENT LAYOUT DRAWING...98
    HYDRAULIC TANK AND FILTER...100
    HYDRAULIC PUMP...102
  HYDRAULIC SYSTEM, PART 2...127
    CONTROL VALVE...128
    CLSS...140
    FUNCTIONS AND OPERATION BY VALVE...144
    MERGE-DIVIDER VALVE...159
    ATTACHMENT CIRCUIT SELECTOR VALVE...184
    HYDRAULIC DRIFT PREVENTION VALVE...186
  HYDRAULIC SYSTEM, PART 3...193
    VALVE CONTROL...194
    PPC VALVE...196
    SOLENOID VALVE...218
    PPC ACCUMULATOR...220
    RETURN OIL FILTER...221
    CENTER SWIVEL JOINT...222
    TRAVEL MOTOR...223
    SWING MOTOR...235
    HYDRAULIC CYLINDER...244
  WORK EQUIPMENT...247
    WORK EQUIPMENT...248
    DIMENSIONS OF COMPONENTS...250
  CAB AND ITS ATTACHMENTS...255
    AIR CONDITIONER PIPING...256
  ELECTRICAL SYSTEM...259
    ENGINE CONTROL...260
    ELECTRONIC CONTROL SYSTEM...269
    MONITOR SYSTEM...294
    SENSOR...321
    KOMTRAX TERMINAL SYSTEM...324
20 STANDARD VALUE TABLE...0
  STANDARD SERVICE VALUE TABLE ...327
    STANDARD VALUE TABLE FOR ENGINE RELATED PARTS...328
    STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS...329
30 TESTING AND ADJUSTING...0
  TESTING AND ADJUSTING, PART 1 ...341
    TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING...343
    MEASURING ENGINE SPEED...347
    MEASURING AIR BOOST PRESSURE...348
    MEASURING EXHAUST GAS COLOR ...349
    ADJUSTING VALVE CLEARANCE ...351
    MEASURING COMPRESSION PRESSURE...353
    MEASURING BLOW-BY PRESSURE...357
    MEASURING ENGINE OIL PRESSURE...358
    MEASURING FUEL PRESSURE...359
    HANDLING DURING CYLINDER CUT-OUT OPERATION ...363
    HANDLING DURING NO INJECTION CRANKING OPERATION ...363
    MEASURING FUEL RETURN RATE AND LEAKAGE...364
    BLEEDING AIR FROM FUEL CIRCUIT  ...366
    CHECKING FUEL CIRCUIT FOR LEAKAGE...367
    TESTING AND ADJUSTING AIR COMPRESSOR BELT TENSION ...368
    MEASURING CLEARANCE IN SWING CIRCLE BEARINGS...369
    TESTING AND ADJUSTING TRACK SHOE TENSION...370
    TESTING AND ADJUSTING OIL PRESSURE IN WORK EQUIPMENT, SWING AND TRAVEL CIRCUIT...371
    TESTING AND ADJUSTING CONTROL CIRCUIT OIL PRESSURE...375
    TESTING AND ADJUSTING PUMP PC CONTROL CIRCUIT OIL PRESSURE...376
    TESTING AND ADJUSTING PUMP LS CONTROL CIRCUIT OIL PRESSURE ...379
    MEASURING SOLENOID VALVE OUTPUT PRESSURE...384
    MEASURING PPC VALVE OUTPUT PRESSURE ...388
    ADJUSTING PLAY OF WORK EQUIPMENT AND SWING PPC VALVES...389
    INSPECTING LOCATIONS OF HYDRAULIC DRIFT OF WORK EQUIPMENT ...390
    RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT ...392
    MEASURING OIL LEAKAGE AMOUNT ...392
    BLEEDING AIR FROM VARIOUS PARTS ...395
    DIODE INSPECTION PROCEDURES...397
  TESTING AND ADJUSTING, PART 2 ...399
    SPECIAL FUNCTIONS OF MACHINE MONITOR...400
  TESTING AND ADJUSTING, PART 3 ...457
    HANDLING VOLTAGE CIRCUIT OF ENGINE CONTROLLER...458
    PREPARATION WORK FOR TROUBLESHOOTING OF ELECTRICAL SYSTEM...459
    PROCEDURE FOR TESTING DIODES...463
    PM CLINIC SERVICE...464
40 TROUBLESHOOTING...0
  FAILURE CODE TABLE AND FUSE LOCATIONS...471
    FAILURE CODES TABLE...472
    FUSE LOCATIONS ...475
  GENERAL INFORMATION ON TROUBLESHOOTING ...481
    POINTS TO REMEMBER WHEN TROUBLESHOOTING...482
    SEQUENCE OF EVENTS IN TROUBLESHOOTING ...483
    CHECKS BEFORE TROUBLESHOOTING...484
    CLASSIFICATION AND TROUBLESHOOTING STEPS...485
    INFORMATION IN TROUBLESHOOTING TABLE...486
    CONNECTION TABLE FOR CONNECTOR PIN NUMBERS...491
    T-ADAPTER BOX AND T-ADAPTER TABLE...525
  TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE), PART 1 ...529
    FAILURE CODE [A000N1] ENG. HI OUT OF STD...531
    FAILURE CODE [AA10NX] AIR CLEANER CLOGGING...532
    FAILURE CODE [AB00KE] CHARGE VOLTAGE LOW...534
    FAILURE CODE [B@BAZG] ENG OIL PRESS. LOW...536
    FAILURE CODE [B@BAZK] ENG OIL LEVEL LOW ...538
    FAILURE CODE [B@BCNS] ENG. WATER OVERHEAT...540
    FAILURE CODE [B@BCZK] ENG WATER LEVEL LOW...542
    FAILURE CODE [B@HANS] HYDR OIL OVERHEAT ...544
    FAILURE CODE [CA111] EMC CRITICAL INTERNAL FAILURE ...545
    FAILURE CODE [CA115] ENG NE AND BKUP SPEED SENS ERROR...545
    FAILURE CODE [CA122] CHG AIR PRESS SENSOR HIGH ERROR...546
    FAILURE CODE [CA123] CHG AIR PRESS SENSOR LOW ERROR...548
    FAILURE CODE [CA131] THROTTLE SENSOR HIGH ERROR...550
    FAILURE CODE [CA132] THROTTLE SENSOR LOW ERROR ...552
    FAILURE CODE [CA144] COOLANT TEMP SENS HIGH ERROR...554
    FAILURE CODE [CA145] COOLANT TEMP SENS LOW ERROR...556
    FAILURE CODE [CA153] CHG AIR TEMP SENSOR HIGH ERROR...558
    FAILURE CODE [CA154] CHG AIR TEMP SENSOR LOW ERROR...560
    FAILURE CODE [CA187] SENS SUPPLY 2 VOLT LOW ERROR...562
    FAILURE CODE [CA221] AMBIENT PRESS SENS HIGH ERROR...564
    FAILURE CODE [CA222] AMBIENT PRESS SENS LOW ERROR...566
    FAILURE CODE [CA227] SENS SUPPLY 2 VOLT HIGH ERROR ...568
    FAILURE CODE [CA234] ENG OVERSPEED ...569
    FAILURE CODE [CA238] NE SPEED SENS SUPPLY VOLT ERROR...570
    FAILURE CODE [CA271] IMV/PCV1 SHORT ERROR...571
    FAILURE CODE [CA272] IMV/PCV1 OPEN ERROR ...572
    FAILURE CODE [CA322] INJ #1 OPEN/SHORT ERROR...574
    FAILURE CODE [CA323] INJ #5 OPEN/SHORT ERROR...576
    FAILURE CODE [CA324] INJ #3 OPEN/SHORT ERROR...578
    FAILURE CODE [CA325] INJ #6 OPEN/SHORT ERROR ...580
    FAILURE CODE [CA331] INJ #2 OPEN/SHORT ERROR ...582
    FAILURE CODE [CA332] INJ #4 OPEN/SHORT ERROR...584
  TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE), PART 2 ...587
    FAILURE CODE [CA342] CALIBRATION CODE INCOMPATIBILITY...589
    FAILURE CODE [CA351] INJECTORS DRIVE CIRCUIT ERROR...590
    FAILURE CODE [CA352] SENS SUPPLY 1 VOLT LOW ERROR...592
    FAILURE CODE [CA386] SENS SUPPLY 1 VOLT HIGH ERROR...594
    FAILURE CODE [CA428] WATER IN FUEL SENSOR HIGH ERROR ...596
    FAILURE CODE [CA429] WATER IN FUEL SENSOR LOW ERROR...598
    FAILURE CODE [CA441] BATTERY VOLTAGE LOW ERROR...600
    FAILURE CODE [CA442] BATTERY VOLTAGE HIGH ERROR...602
    FAILURE CODE [CA449] RAIL PRESS VERY HIGH ERROR...604
    FAILURE CODE [CA451] RAIL PRESS SENSOR HIGH ERROR...608
    FAILURE CODE [CA452] RAIL PRESS SENSOR LOW ERROR...610
    FAILURE CODE [CA553] RAIL PRESS HIGH ERROR...612
    FAILURE CODE [CA559] RAIL PRESS LOW ERROR ...613
    FAILURE CODE [CA689] ENG NE SPEED SENSOR ERROR...615
    FAILURE CODE [CA731] ENG BKUP SPEED SENS PHASE ERROR ...617
    FAILURE CODE [CA757] ALL PERSISTENT DATA LOST ERROR...618
    FAILURE CODE [CA778] ENG BKUP SPEED SENSOR ERROR ...620
    FAILURE CODE [CA1633] KOMNET DATALINK TIMEOUT ERROR...622
    FAILURE CODE [CA2185] THROT SENS SUP VOLT HIGH ERROR ...624
    FAILURE CODE [CA2186] THROT SENS SUP VOLT LOW ERROR...625
    FAILURE CODE [CA2249] RAIL PRESS VERY LOW ERROR ...626
    FAILURE CODE [CA2265] ELECTRIC LIFT PUMP HIGH ERROR ...628
    FAILURE CODE [CA2266] ELECTRIC LIFT PUMP LOW ERROR...630
    FAILURE CODE [CA2555] GRID HTR RELAY VOLT HIGH ERROR ...632
    FAILURE CODE [CA2556] GRID HTR RELAY VOLT LOW ERROR ...634
    FAILURE CODE [D110KB] BATTERY RELAY DRIVE S/C...636
    FAILURE CODE [DA25KP] 5V SENSOR 1 POWER ABNORMALITY ...638
    FAILURE CODE [DA2RMC] PUMP COMM. ABNORMALITY...642
    FAILURE CODE [DA2SKQ] MODEL SELECTION ABNORMALITY...644
  TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE), PART 3 ...647
    FAILURE CODE [DAFRMC] CAN DISCON (MONITOR DETECTED) ...650
    FAILURE CODE [DHPAMA] F PUMP PRESS SENSOR ABNORMALITY ...652
    FAILURE CODE [DHPBMA] R PUMP PRESS SENSOR ABNORMALITY...654
    FAILURE CODE [DHS3MA] ARM CURL PPC SEN. ABNORMALITY...656
    FAILURE CODE [DHS4MA] BUCKET CURL PPC PRESS SENSOR ABNORMALITY ...658
    FAILURE CODE [DW43KA] TRAVEL SPEED SOL. DISC...660
    FAILURE CODE [DW43KB] TRAVEL SPEED SOL. S/C...662
    FAILURE CODE [DW45KA] SWING BRAKE SOL. DISC. ...664
    FAILURE CODE [DW45KB] SWING BRAKE SOL. S/C...668
    FAILURE CODE [DW91KA] TRAVEL JUNCTION SOL. DISC...670
    FAILURE CODE [DW91KB] TRAVEL JUNCTION SOL. S/C...672
    FAILURE CODE [DWJ0KA] MERGE-DIVIDER SOL. DISC. ...674
    FAILURE CODE [DWJ0KB] MERGE-DIVIDER SOL. S/C...676
    FAILURE CODE [DWK0KA] 2-STAGE RELIEF SOL. DISC...678
    FAILURE CODE [DWK0KB] 2-STAGE RELIEF SOL. S/C...680
    FAILURE CODE [DXA0KA] PC-EPC SOL. DISC...682
    FAILURE CODE [DXA0KB] PC-EPC SOL. S/C...684
    FAILURE CODE [DXE0KA] LS-EPC SOL. DISC...686
    FAILURE CODE [DXE0KB] LS-EPC SOL. S/C...688
    FAILURE CODE [DXE4KA] SERVICE CURRENT EPC DISC...690
    FAILURE CODE [DXE4KB] SERVICE CURRENT EPC S/C...691
    FAILURE CODE [DY20KA] WIPER WORKING ABNORMALITY ...692
    FAILURE CODE [DY20MA] WIPER PARKING ABNORMALITY ...694
    FAILURE CODE [DY2CKB] WASHER DRIVE SHORT ...696
    FAILURE CODE [DY2DKB] WIPER DRIVE (FOR) SHORT...698
    FAILURE CODE [DY2EKB] WIPER DRIVE (REV) SHORT ...700
  TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) ...703
    BEFORE CARRYING OUT TROUBLESHOOTING OF ELECTRICAL SYSTEM...706
    INFORMATION CONTAINED IN TROUBLESHOOTING TABLE...708
    E-1 ENGINE DOES NOT START...709
    E-2 AUTO-DECELERATOR DOES NOT OPERATE ...712
    E-3 AUTOMATIC WARMING-UP SYSTEM DOES NOT OPERATE ...714
    E-4 PREHEATER DOES NOT OPERATE ...716
    E-5 ALL WORK EQUIPMENT, SWING, AND TRAVEL MECHANISM DO NOT MOVE...718
    E-6 POWER MAXIMIZING FUNCTION DOES NOT OPERATE...720
    E-7 MACHINE MONITOR DOES NOT DISPLAY AT ALL ...722
    E-8 MACHINE MONITOR DOES NOT DISPLAY SOME ITEMS...724
    E-9 CONTENTS OF DISPLAY BY MACHINE MONITOR ARE DIFFERENT FROM APPLICABLE MACHINE...724
    E-10 FUEL LEVEL MONITOR WAS LIGHTED IN RED WHILE ENGINE RUNNING...725
    E-11 ENGINE COOLANT TEMPERATURE GAUGE DOES NOT INDICATE NORMALLY ...726
    E-12 HYDRAULIC OIL TEMPERATURE GAUGE DOES NOT INDICATE NORMALLY...728
    E-13 FUEL LEVEL GAUGE DOES NOT INDICATE NORMALLY...729
    E-14 SWING LOCK MONITOR DOES NOT INDICATE NORMALLY...730
    E-15 WHEN MONITOR SWITCH IS OPERATED, MONITOR DISPLAYS NOTHING...732
    E-16 WINDSHIELD WIPER AND WINDOW WASHER DO NOT OPERATE ...734
    E-17 MACHINE PUSH-UP FUNCTION DOES NOT OPERATE NORMALLY ...738
    E-18 MONITORING FUNCTION FAILS TO DISPLAY  ? BOOM RAISE ?  NORMALLY ...740
    E-19 MONITORING FUNCTION FAILS TO DISPLAY  ? BOOM LOWER ?  NORMALLY ...742
    E-20 MONITORING FUNCTION FAILS TO DISPLAY  ? ARM IN ?  NORMALLY ...744
    E-21 MONITORING FUNCTION FAILS TO DISPLAY  ? ARM OUT ?  NORMALLY ...746
    E-22 MONITORING FUNCTION FAILS TO DISPLAY  ? BUCKET CURL ?  NORMALLY ...748
    E-23 MONITORING FUNCTION FAILS TO DISPLAY  ? BUCKET DUMP ?  NORMALLY ...750
    E-24 MONITORING FUNCTION FAILS TO DISPLAY  ? SWING ?  NORMALLY...752
    E-25 MONITORING FUNCTION FAILS TO DISPLAY  ? TRAVEL ?  NORMALLY ...754
    E-26 MONITORING FUNCTION FAILS TO DISPLAY  ? TRAVEL DIFFERENTIAL PRESSURE ?  NORMALLY  ...756
    E-27 MONITORING FUNCTION FAILS TO DISPLAY  ? SERVICE ?  NORMALLY...758
    E-28 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY ...760
    E-29 AIR CONDITIONER DOES NOT OPERATE...762
    E-30 TRAVEL ALARM DOES NOT SOUND OR DOES NOT STOP SOUNDING ...764
    E-31 HORN DOES NOT SOUND...766
  TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H-MODE) ...769
    SYSTEM CHART FOR HYDRAULIC AND MECHANICAL SYSTEM ...772
    INFORMATION CONTAINED IN TROUBLESHOOTING TABLE...774
    H-1 ALL WORK EQUIPMENT LACK POWER, OR TRAVEL AND SWING SPEEDS ARE SLOW...776
    H-2 ENGINE SPEED SHARPLY DROPS OR ENGINE STALLS ...778
    H-3 NO WORK EQUIPMENT, SWING OR TRAVEL MOVE...779
    H-4 ABNORMAL NOISE IS HEARD FROM AROUND HYDRAULIC PUMP...779
    H-5 AUTO-DECELERATOR DOES NOT WORK...780
    H-6 FINE CONTROL MODE DOES NOT FUNCTION OR RESPONDS SLOW ...780
    H-7 BOOM MOVES SLOWLY OR LACKS POWER ...781
    H-8 ARM MOVES SLOWLY OR LACKS POWER...782
    H-9 BUCKET MOVES SLOWLY OR LACKS POWER...783
    H-10 WORK EQUIPMENT DOES NOT MOVE IN ITS SINGLE OPERATION  ...783
    H-11 WORK EQUIPMENT HAS A BIT TOO FAST HYDRAULIC DRIFT...784
    H-12 WORK EQUIPMENT HAS BIG TIME LAG...786
    H-13 OTHER WORK EQUIPMENT MOVES WHEN RELIEVING SINGLE CIRCUIT...786
    H-14 POWER MAX. SWITCH DOES NOT OPERATE...787
    H-15 IN COMPOUND OPERATION, WORK EQUIPMENT WITH LARGER LOAD MOVES SLOWLY ...787
    H-16 IN SWING + BOOM RAISE OPERATION, BOOM MOVES SLOWLY...788
    H-17 IN SWING + TRAVEL OPERATION, TRAVEL SPEED DROPS SHARPLY...788
    H-18 MACHINE SWERVES IN TRAVEL...789
    H-19 MACHINE TRAVELS SLOWLY ...790
    H-20 MACHINE CANNOT BE EASILY STEERED OR LACKS POWER...791
    H-21 TRAVEL SPEED DOES NOT SHIFT, OR IT IS TOO SLOW OR FAST...792
    H-22 TRACK SHOE DOES NOT TURN (ON ONE SIDE ONLY)...793
    H-23 MACHINE DOES NOT SWING...794
    H-24 SWING ACCELERATION IS POOR, OR SWING SPEED IS SLOW ...796
    H-25 EXCESSIVE OVERRUN WHEN STOPPING SWING...798
    H-26 THERE IS BIG SHOCK WHEN STOPPING SWING ...799
    H-27 LARGE SOUND IS MADE WHEN UPPER STRUCTURE STOPS SWINGING...799
    H-28 SWING HYDRAULIC DRIFT IS TOO BIG ...800
  TROUBLESHOOTING OF ENGINE (S-MODE) ...803
    METHOD OF USING TROUBLESHOOTING CHART...805
    S-1 STARTING PERFORMANCE IS POOR...808
    S-2 ENGINE DOES NOT START...809
    S-3 ENGINE DOES NOT PICK UP SMOOTHLY ...812
    S-4 ENGINE STOPS DURING OPERATIONS ...813
    S-5 ENGINE DOES NOT ROTATE SMOOTHLY...814
    S-6 ENGINE LACKS OUTPUT (OR LACKS POWER) ...815
    S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)...816
    S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST SMOKE IS BLUE) ...817
    S-9 OIL BECOMES CONTAMINATED QUICKLY...818
    S-10 FUEL CONSUMPTION IS EXCESSIVE...819
    S-11 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN) ...820
    S-12 OIL PRESSURE DROPS...821
    S-13 OIL LEVEL RISES (ENTRY OF COOLANT OR FUEL)...822
    S-14 COOLANT TEMPERATURE BECOMES TOO HIGH (OVERHEATING) ...823
    S-15 ABNORMAL NOISE IS MADE...824
    S-16 VIBRATION IS EXCESSIVE...825
50 DISASSEMBLY AND ASSEMBLY...0
  GENERAL INFORMATION ON DISASSEMBLY AND ASSEMBLY...827
    HOW TO READ THIS MANUAL...828
    COATING MATERIALS LIST...830
    SPECIAL TOOLS LIST...833
    SKETCHES OF SPECIAL TOOLS...837
  ENGINE AND COOLING SYSTEM...841
    REMOVAL AND INSTALLATION OF FUEL SUPPLY PUMP ASSEMBLY...842
    REMOVAL AND INSTALLATION OF ENGINE FRONT SEAL...845
    REMOVAL AND INSTALLATION OF ENGINE REAR SEAL...847
    REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY...852
    REMOVAL AND INSTALLATION OF RADIATOR ASSEMBLY...864
    REMOVAL AND INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY...866
    REMOVAL AND INSTALLATION OF AFTERCOOLER ASSEMBLY...868
    REMOVAL AND INSTALLATION OF ENGINE AND HYDRAULIC PUMP ASSEMBLY...869
  POWER TRAIN...875
    REMOVAL AND INSTALLATION OF FINAL DRIVE ASSEMBLY...876
    DISASSEMBLY AND ASSEMBLY OF FINAL DRIVE ASSEMBLY...877
    REMOVAL AND INSTALLATION OF SWING MOTOR AND SWING MACHINERY ASSEMBLY...885
    DISASSEMBLY AND ASSEMBLY OF SWING MOTOR AND SWING MACHINERY ASSEMBLY ...886
    REMOVAL AND INSTALLATION OF SWING CIRCLE ASSEMBLY...893
  UNDERCARRIAGE AND FRAME...895
    DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER...896
    DISASSEMBLY AND ASSEMBLY OF TRACK ROLLER ASSEMBLY...897
    DISASSEMBLY AND ASSEMBLY OF IDLER ASSEMBLY...898
    DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING ...901
    REMOVAL AND INSTALLATION OF SPROCKET...903
    EXPANSION AND INSTALLATION OF TRACK SHOE ASSEMBLY...904
    REMOVAL AND INSTALLATION OF REVOLVING FRAME ASSEMBLY...905
    REMOVAL AND INSTALLATION OF COUNTERWEIGHT ASSEMBLY...907
  HYDRAULIC SYSTEM ...909
    REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY...910
    DISASSEMBLY AND ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY...912
    REMOVAL AND INSTALLATION OF HYDRAULIC TANK ASSEMBLY...913
    REMOVAL AND INSTALLATION OF CONTROL VALVE ASSEMBLY...915
    DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE ASSEMBLY...918
    REMOVAL AND INSTALLATION OF HYDRAULIC PUMP ASSEMBLY...920
    REMOVAL AND INSTALLATION OF OIL SEAL IN HYDRAULIC PUMP INPUT SHAFT...922
    DISASSEMBLY AND ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY...923
    DISASSEMBLY AND ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY...924
    DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY...925
  WORK EQUIPMENT...931
    REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY...932
  CAB AND ITS ATTACHMENTS ...937
    REMOVAL AND INSTALLATION OF OPERATOR'S CAB ASSEMBLY...938
    REMOVAL AND INSTALLATION OF OPERATOR CAB GLASS (STUCK GLASS)...941
    REMOVAL AND INSTALLATION OF FRONT WINDOW ASSEMBLY...951
    REMOVAL AND INSTALLATION OF FLOOR FRAME ASSEMBLY...958
  ELECTRICAL SYSTEM...963
    REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY...964
    REMOVAL AND INSTALLATION OF KOMTRAX COMMUNICATION MODEM ASSEMBLY...967
    REMOVAL AND INSTALLATION OF MONITOR ASSEMBLY...968
    REMOVAL AND INSTALLATION OF PUMP CONTROLLER ASSEMBLY...970
    REMOVAL AND INSTALLATION OF ENGINE CONTROLLER...972
90 DIAGRAMS AND DRAWINGS...0
  HYDRAULIC DIAGRAMS AND DRAWINGS...975
    HYDRAULIC CIRCUIT DIAGRAM...977
  ELECTRICAL DIAGRAMS AND DRAWINGS...980
    ELECTRICAL CIRCUIT DIAGRAM...982
    CONNECTOR ARRANGEMENT DIAGRAM...983