Komatsu Hydraulic Excavators PC400, PC400LC, PC400HD series Repair Service Manual

Complete service repair manual with Electrical Wiring Diagrams for Komatsu Hydraulic Excavators PC400, PC400LC, PC400HD series, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.

Komatsu Hydraulic Excavators PC400-1, PC400LC-1, PC400-3, PC400LC-3, PC400LC-6, PC400HD-6, PC400LC-8, PC400-7, PC400LC-7 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: 5,576 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English

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MAIN SECTIONS
COVER...1
CONTENTS...2
01 GENERAL...29
  SPECIFICATION DRAWINGS...30
  SPECIFICATIONS...32
  WEIGHT TABLE...34
  FUEL, COOLANT AND LUBRICANTS...36
10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD...39
  ENGINE RELATED PARTS...40
  RADIATOR?OIL COOLER?AFTERCOOLER...41
  POWER TRAIN...42
  FINAL DRIVE...43
  SPROCKET...45
  SWING MACHINERY...47
  SWING CIRCLE...49
  TRACK FRAME AND RECOIL SPRING...50
  IDLER...52
  CARRIER ROLLER...54
  TRACK ROLLER...55
  TRACK SHOE...56
  HYDRAULIC PIPING DRAWING...60
  HYDRAULIC TANK...62
  HYDRAULIC PUMP...63
  LS(PC)-EPC VALVE...81
  VARIABLE VOLUME VALVE...84
  CONTROL VALVE...86
  MAIN RELIEF VALVE...99
  CLSS...100
  SELF PRESSURE REDUCING VALVE...103
  SWING MOTOR...106
  REVERSAL PREVENTION VALVE...111
  CENTER SWIVEL JOINT...113
  TRAVEL MOTOR...114
  TRAVEL JUNCTION VALVE...125
  VALVE CONTROL...127
  TRAVEL PPC SHUTTLE VALVE...128
  WORK EQUIPMENT?SWING PPC VALVE...132
  TRAVEL PPC VALVE...136
  SERVICE PPC VALVE...143
  SOLENOID VALVE...144
  PPC ACCUMULATOR...146
  RETURN OIL FILTER...147
  BOOM HYDRAULIC DRIFT PREVENTION VALVE...148
  ARM HYDRAULIC DRIFT PREVENTION VALVE...153
  QUICK RETURN VALVE...157
  LIFT CHECK VALVE...159
  ATTACHMENT CIRCUIT SELECTOR VALVE...160
  HOLDING VALVE...162
  HYDRAULIC CYLINDER...167
  WORK EQUIPMENT...169
  COMBUSTION HEATER AND PARTS RELATED TO HEATER...175
  ENGINE CONTROL...177
  ELECTRONIC CONTROL SYSTEM...182
  MONITOR SYSTEM (MULTI MONITOR SPECIFICATION)...209
  7-SEGMENT MONITOR SYSTEM...229
  SENSOR...236
20 TESTING AND ADJUSTING...239
  STANDARD VALUE TABLE FOR ENGINE...240
  STANDARD VALUE TABLE FOR CHASSIS...241
  TESTING AND ADJUSTING...250
    TESTING, ADJUSTING, AND TROUBLESHOOTING TOOLS TABLE...251
    MEASURING ENGINE SPEED...253
    MEASURING INTAKE AIR PRESSURE (BOOST PRESSURE)...254
    MEASURING EXHAUST TEMPERATURE...255
    MEASURING EXHAUST GAS COLOR...256
    ADJUSTING VALVE CLEARANCE...257
    MEASURING COMPRESSION PRESSURE...259
    MEASURING BLOW-BY PRESSURE...261
    MEASURING ENGINE OIL PRESSURE...262
    HANDLING OF FUEL SYSTEM DEVICES...263
    RELEASING RESIDUAL PRESSURE FROM FUEL SYSTEM...263
    MEASURING FUEL PRESSURE...264
    BLEEDING AIR FROM FUEL CIRCUIT...265
    INSPECTION OF FUEL CIRCUIT FOR LEAKAGE...267
    ADJUSTING ENGINE SPEED SENSOR...268
    TESTING AND ADJUSTING FAN BELT AND ALTERNATOR BELT TENSION...269
    MEASURING CLEARANCE OF SWING CIRCLE BEARING...270
    TESTING AND ADJUSTING TRACK SHOE TENSION...271
    TESTING AND ADJUSTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS...272
    MEASURING BASIC PRESSURE IN CONTROL CIRCUIT...276
    TESTING AND ADJUSTING OIL PRESSURE IN PUMP PC CONTROL CIRCUIT...277
    TESTING AND ADJUSTING OIL PRESSURE IN PUMP LS CONTROL CIRCUIT...280
    MEASURING SOLENOID VALVE OUTPUT PRESSURE...284
    MEASURING PPC VALVE OUTPUT PRESSURE...287
    ADJUSTING PLAY OF WORK EQUIPMENT AND SWING PPC VALVES...289
    TESTING PARTS WHICH CAUSE HYDRAULIC DRIFT OF WORK EQUIPMENT...290
    RELEASING RESIDUAL PRESSURE IN HYDRAULIC CIRCUIT...291
    MEASURING OIL LEAKAGE...292
    BLEEDING AIR FROM EACH PART...294
    TESTING PROCEDURE OF DIODE...297
    SPECIAL FUNCTIONS OF MONITOR PANEL (MULTI MONITOR SPECIFICATION)...298
    HANDLING OF HIGH-VOLTAGE CIRCUIT OF ENGINE CONTROLLER...325
    PREPARATION WORK FOR TROUBLESHOOTING FOR ELECTRICAL EQUIPMENT SYSTEM (STANDARD SPECIFICATION)...326
    PM-CLINIC SERVICE...328
  TROUBLESHOOTING...335
    POINTS TO REMEMBER WHEN TROUBLESHOOTING...336
    SEQUENCE OF EVENTS IN TROUBLESHOOTING...337
    POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE...338
    CHECKS BEFORE TROUBLESHOOTING...346
    CLASSIFICATION AND STEPS FOR TROUBLESHOOTING...347
    CONNECTOR ARRANGEMENT DRAWING AND ELECTRIC CIRCUIT DIAGRAM OF EACH SYSTEM...351
    CONNECTION TABLE FOR CONNECTOR PIN NUMBERS...368
    T-BRANCH BOX AND T-BRANCH TABLE...390
    TROUBLESHOOTING WHEN ERROR CODE?ELECTRICAL SYSTEM?AND FAILURE CODE?MECHANICAL SYSTEM?ARE DISPLAYED...393
      INFORMATION CONTAINED IN TROUBLESHOOTING TABLE...395
      ERROR CODE IN ELECTRICAL SYSTEM [E112] (SHORT-CIRCUITING IN NORMAL ROTATION SYSTEM OF WINDSHIELD WIPER MOTOR DRIVE)...397
      ERROR CODE IN ELECTRICAL SYSTEM [E113] (SHORT-CIRCUITING IN REVERSE ROTATION SYSTEM OF WINDSHIELD WIPER MOTOR DRIVE)...399
      ERROR CODE IN ELECTRICAL SYSTEM [E114] (SHORT-CIRCUITING IN WINDOW WASHER DRIVE SYSTEM)...401
      ERROR CODE IN ELECTRICAL SYSTEM [E115] (ABNORMAL WINDSHIELD WIPER MOTION)...403
      ERROR CODE IN ELECTRICAL SYSTEM [E116] (ABNORMALITY IN RETRACTING WINDSHIELD WIPER)...405
      ERROR CODE IN ELECTRICAL SYSTEM [E117] (ENG. CONTROLLER S-NET COMM. ERR.)...407
      ERROR CODE IN ELECTRICAL SYSTEM [E118] (PUMP CONTROLLER S-NET COMM. ERR.)...409
      ERROR CODE IN ELECTRICAL SYSTEM [E128] (MONITOR COMM. ABNORMALITY)...411
      ERROR CODE IN ELECTRICAL SYSTEM [E201] (SHORT-CIRCUITING IN TRAVEL INTERLOCKING SOLENOID)...413
      ERROR CODE IN ELECTRICAL SYSTEM [E203] (SHORT-CIRCUITING IN SWING HOLDING BRAKE SOLENOID)...414
      ERROR CODE IN ELECTRICAL SYSTEM [E204] (SHORT-CIRCUITING IN MERGE/DIVIDE SOLENOID)...416
      ERROR CODE IN ELECTRICAL SYSTEM [E205] (SHORT-CIRCUITING IN 2-STAGE RELIEF SOLENOID)...417
      ERROR CODE IN ELECTRICAL SYSTEM [E206] (SHORT-CIRCUITING IN TRAVEL SPEED SHIFTING SOLENOID)...418
      ERROR CODE IN ELECTRICAL SYSTEM [E211] (DISCONNECTION IN TRAVEL INTERLOCKING SOLENOID)...419
      ERROR CODE IN ELECTRICAL SYSTEM [E213] (DISCONNECTION IN SWING HOLDING BRAKE SOLENOID)...420
      ERROR CODE IN ELECTRICAL SYSTEM [E214] (DISCONNECTION IN MERGE/DIVIDE SOLENOID)...422
      ERROR CODE IN ELECTRICAL SYSTEM [E215] (DISCONNECTION IN 2-STAGE RELIEF SOLENOID)...423
      ERROR CODE IN ELECTRICAL SYSTEM [E216] (DISCONNECTION IN TRAVEL SPEED SHIFTING SOLENOID)...424
      ERROR CODE IN ELECTRICAL SYSTEM [E217] (ABNORMAL INPUT MODEL CODE)...425
      ERROR CODE IN ELECTRICAL SYSTEM [E218] (S-NET COMM. DISC.)...427
      ERROR CODE IN ELECTRICAL SYSTEM [E222] (SHORT-CIRCUITING IN LS-EPC SOLENOID)...429
      ERROR CODE IN ELECTRICAL SYSTEM [E223] (DISCONNECTION IN LS-EPC SOLENOID SYSTEM)...430
      ERROR CODE IN ELECTRICAL SYSTEM [E224] (F PUMP P. SENSOR ABNORMALITY)...431
      ERROR CODE IN ELECTRICAL SYSTEM [E225] (R PUMP P. SENSOR ABNORMALITY)...433
      ERROR CODE IN ELECTRICAL SYSTEM [E226] (PRESS. SENSOR POWER ABNORMALITY)...435
      ERROR CODE IN ELECTRICAL SYSTEM [E227] (ABNORMALITY IN ENGINE ROTATION SENSOR)...437
      ERROR CODE IN ELECTRICAL SYSTEM [E228] (SHORT-CIRCUITING IN ATTACHMENT RETURN SWITCHING RELAY)...438
      ERROR CODE IN ELECTRICAL SYSTEM [E232] (SHORT-CIRCUITING IN PC-EPC SOLENOID)...439
      ERROR CODE IN ELECTRICAL SYSTEM [E233] (DISCONNECTION IN PC-EPC SOLENOID SYSTEM)...441
      ERROR CODE IN ELECTRICAL SYSTEM [E238] (DISCONNECTION IN ATTACHMENT RETURN SWITCHING RELAY)...443
      ERROR CODE IN ELECTRICAL SYSTEM [E245] (SHORT-CIRCUITING IN ATTACHMENT OIL FLOW RATE ADJUSTING EPC)...445
      ERROR CODE IN ELECTRICAL SYSTEM [E246] (DISCONNECTION IN ATTACHMENT OIL FLOW RATE ADJUSTING EPC)...446
      ERROR CODE IN ELECTRICAL SYSTEM [E247] (ARM IN PPC PRESSURE SENSOR ABNORMALITY)...447
      ERROR CODE IN ELECTRICAL SYSTEM [E248] (BUCKET CURL PPC PRESSURE SENSOR ABNORMALITY)...449
      ERROR CODE IN ELECTRICAL SYSTEM [E257] (PUMP ABNORMALITY)...451
      ERROR CODE IN ELECTRICAL SYSTEM [E315] (BATTERY RELAY DRIVE S/C)...453
      ERROR CODE IN ELECTRICAL SYSTEM [E91B] (ENGINE NE SENSOR PROBLEM)...455
      ERROR CODE IN ELECTRICAL SYSTEM [E91C] (ENGINE G SENSOR PROBLEM)...456
      ERROR CODE IN ELECTRICAL SYSTEM [E920] (ENGINE TYPE SELECTION ERROR)...457
      ERROR CODE IN ELECTRICAL SYSTEM [E921] (ENGINE TYPE MISMATCH)...459
      ERROR CODE IN ELECTRICAL SYSTEM [E931] (FUEL DIAL SYS. ERROR)...460
      ERROR CODE IN ELECTRICAL SYSTEM [E934] (ENGINE COOLANT SENSOR HI ERROR)...462
      ERROR CODE IN ELECTRICAL SYSTEM [E936] (ENGINE OIL PRESS. SW. ERROR)...464
      ERROR CODE IN ELECTRICAL SYSTEM [E93C] (ENGINE BOOST SENSOR ERROR)...466
      ERROR CODE IN ELECTRICAL SYSTEM [E93D] (ENGINE FUEL TEMP. SENSOR ERROR)...468
      ERROR CODE IN ELECTRICAL SYSTEM [E953] (ENGINE COMM. ABNORMALITY)...470
      ERROR CODE IN ELECTRICAL SYSTEM [E954] (SHORT ENGINE STARTER SW.)...472
      ERROR CODE IN ELECTRICAL SYSTEM [E955] (ENGINE S-NET ERROR)...474
      ERROR CODE IN ELECTRICAL SYSTEM [E956] (ENGINE POWER FAILURE (1))...476
      ERROR CODE IN ELECTRICAL SYSTEM [E957] (ENGINE POWER FAILURE (2))...478
      ERROR CODE IN ELECTRICAL SYSTEM [E95A] (ENGINE Q-ADJ. SW. SIGNAL ERROR)...480
      ERROR CODE IN ELECTRICAL SYSTEM [E96A] (ENGINE COOLANT SENSOR LO ERROR)...481
      ERROR CODE IN ELECTRICAL SYSTEM [E970] (PCV1 OVER CURRENT)...483
      ERROR CODE IN ELECTRICAL SYSTEM [E971] (PCV2 OVER CURRENT)...484
      ERROR CODE IN ELECTRICAL SYSTEM [E974] (PCV1 LINE CUT)...485
      ERROR CODE IN ELECTRICAL SYSTEM [E975] (PCV2 LINE CUT)...486
      ERROR CODE IN ELECTRICAL SYSTEM [E977] (RAIL PRESS. SENSOR ERROR)...487
      ERROR CODE IN ELECTRICAL SYSTEM [E979] (RAIL PRESS. HIGH)...489
      ERROR CODE IN ELECTRICAL SYSTEM [E97A] (RAIL PRESS. ABNORMAL)...489
      ERROR CODE IN ELECTRICAL SYSTEM [E97B] (RAIL PRESS. LOW)...490
      ERROR CODE IN ELECTRICAL SYSTEM [E97C] (RAIL PRESS. TOO LOW)...492
      ERROR CODE IN ELECTRICAL SYSTEM [E97D] (RAIL PRESS. OUT OF CONTROL)...492
      ERROR CODE IN ELECTRICAL SYSTEM [E980] (ENG. CONTROLLER ABNORMALITY)...493
      ERROR CODE IN ELECTRICAL SYSTEM [E981] (FUEL INJECTOR 1 DISC.)...495
      ERROR CODE IN ELECTRICAL SYSTEM [E982] (FUEL INJECTOR 2 DISC.)...496
      ERROR CODE IN ELECTRICAL SYSTEM [E983] (FUEL INJECTOR 3 DISC.)...497
      ERROR CODE IN ELECTRICAL SYSTEM [E984] (FUEL INJECTOR 4 DISC.)...498
      ERROR CODE IN ELECTRICAL SYSTEM [E985] (FUEL INJECTOR 5 DISC.)...499
      ERROR CODE IN ELECTRICAL SYSTEM [E986] (FUEL INJECTOR 6 DISC.)...500
      ERROR CODE IN ELECTRICAL SYSTEM [E98A] (FUEL INJECTOR 1-3 S/C)...501
      ERROR CODE IN ELECTRICAL SYSTEM [E98B] (FUEL INJECTOR 4-6 S/C)...503
      ERROR CODE IN MECHANICAL SYSTEM [A000N1] (ENGINE HIGH-IDLING SPEED OUT OF STANDARD)...505
      ERROR CODE IN MECHANICAL SYSTEM [A000N2] (ENGINE LOW-IDLING SPEED OUT OF STANDARD)...505
      FAILURE CODE IN MECHANICAL SYSTEM [AA10NX] (AIRCLEANER CLOGGING)...506
      FAILURE CODE IN MECHANICAL SYSTEM [AB00KE] (CHARGE VOLTAGE LOW)...508
      FAILURE CODE IN MECHANICAL SYSTEM [B@BAZG] (ENG. OIL PRESS. LOW)...510
      FAILURE CODE IN MECHANICAL SYSTEM [B@BAZK] (ENG. OIL LEVEL LOW)...512
      FAILURE CODE IN MECHANICAL SYSTEM [B@BCNS] (ENG. WATER OVERHEAT)...513
      FAILURE CODE IN MECHANICAL SYSTEM [B@BCZK] (ENG. WATER LVL LOW)...514
      FAILURE CODE IN MECHANICAL SYSTEM [B@HANS] (HYDR. OIL OVERHEAT)...515
    TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)...516
      INFORMATION CONTAINED IN TROUBLESHOOTING TABLE...518
      E-1 ENGINE DOES NOT START (THE ENGINE DOES NOT ROTATE)...519
      E-2 PREHEATER DOES NOT OPERATE...522
      E-3 AUTO ENGINE WARM-UP DEVICE DOES NOT WORK...524
      E-4 AUTO-DECELERATOR DOES NOT OPERATE...525
      E-5 ALL WORK EQUIPMENT, SWING AND TRAVEL DO NOT MOVE...526
      E-6 ONE-TOUCH POWER MAX, FUNCTION DOES NOT OPERATE...528
      E-7 MACHINE PUSH-UP FUNCTION DOES NOT OPERATE NORMALLY...529
      E-8 ATTACHMENT CIRCUIT DOES NOT CHANGE...531
      E-9 NO DISPLAY IN MONITOR PANEL AT ALL...533
      E-10 PART OF DISPLAY ON MONITOR PANEL IS MISSING...534
      E-11 MONITOR PANEL DISPLAYS CONTENTS IRRELEVANT TO THE MODEL...534
      E-12 FUEL LEVEL MONITOR RED LAMP LIGHTS UP WHILE ENGINE IS RUNNING...535
      E-13 ENGINE WATER TEMPERATURE GAUGE DOES NOT DISPLAY CORRECTLY...536
      E-14 HYDRAULIC OIL TEMPERATURE GAUGE DOES NOT DISPLAY CORRECTLY...538
      E-15 FUEL GAUGE DOES NOT DISPLAY CORRECTLY...539
      E-16 SWING LOCK MONITOR DOES NOT DISPLAY CORRECTLY...540
      E-17 WHEN MONITOR SWITCH IS OPERATED, NOTHING IS DISPLAYED...542
      E-18 WINDSHIELD WIPER AND WINDOW WASHER DO NOT WORK...544
      E-19 ALARM BUZZER CANNOT BE CANCELLED...548
      E-20 "BOOM RAISE" IS NOT CORRECTLY DISPLAYED IN MONITOR FUNCTION...549
      E-21 "BOOM LOWER" IS NOT CORRECTLY DISPLAYED IN MONITOR FUNCTION...550
      E-22 "ARM IN" IS NOT DISPLAYED NORMALLY IN MONITORING FUNCTION...551
      E-23 "ARM DUMPING" IS NOT CORRECTLY DISPLAYED IN MONITORING FUNCTION...552
      E-24 "BUCKET CURL" IS NOT DISPLAYED NORMALLY IN MONITORING FUNCTION...553
      E-25 "BUCKET DUMPING" IS NOT CORRECTLY DISPLAYED IN MONITORING FUNCTION...554
      E-26 "SWING" IS NOT DISPLAYED NORMALLY IN MONITORING FUNCTION...555
      E-27 "TRAVEL" IS NOT CORRECTLY DISPLAYED IN MONITORING FUNCTION...557
      E-28 "TRAVEL DIFFERENTIAL PRESSURE" IS NOT CORRECTLY DISPLAYED IN MONITORING FUNCTION...559
      E-29 "SERVICE" IS NOT CORRECTLY DISPLAYED IN MONITORING FUNCTION...561
      E-30 TRAVEL ALARM DOES NOT SOUND OR DOES NOT STOP SOUNDING...563
    TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)...565
      SYSTEM CHART FOR HYDRAULIC AND MECHANICAL SYSTEM...566
      INFORMATION CONTAINED IN TROUBLESHOOTING TABLE...568
      H-1 ALL WORK EQUIPMENT LACK POWER, OR TRAVEL AND SWING SPEEDS ARE LOW...569
      H-2 ENGINE SPEED SHARPLY DROPS OR ENGINE STALLS...570
      H-3 NO WORK EQUIPMENT, TRAVEL OR SWING MOVE...571
      H-4 ABNORMAL NOISE IS HEARD FROM AROUND HYDRAULIC PUMP...571
      H-5 AUTO-DECELERATOR DOES NOT WORK...572
      H-6 FINE CONTROL MODE DOES NOT FUNCTION...572
      H-7 BOOM MOVES SLOWLY OR LACKS POWER...573
      H-8 ARM MOVES SLOWLY OR LACKS POWER...574
      H-9 BUCKET MOVES SLOWLY OR LACKS POWER...575
      H-10 WORK EQUIPMENT DOES NOT MOVE IN ITS SINGLE OPERATION...575
      H-11 WORK EQUIPMENT HAS A BIT TOO FAST HYDRAULIC DRIFT...576
      H-12 WORK EQUIPMENT HAS BIG TIME LAG...577
      H-13 OTHER WORK EQUIPMENT MOVES WHEN RELIEVING SINGLE CIRCUIT...577
      H-14 ONE-TOUCH POWER MAX. FUNCTION DOES NOT WORK...577
      H-15 MACHINE PUSH-UP FUNCTION DOES NOT WORK...578
      H-16 IN COMPOUND OPERATION, WORK EQUIPMENT WITH LARGER LOAD MOVES SLOWLY...579
      H-17 IN SWING + BOOM RAISE OPERATION, BOOM MOVES SLOWLY...579
      H-18 IN SWING + TRAVEL, TRAVEL SPEED DROPS SHARPLY...579
      H-19 MACHINE SWERVES IN TRAVEL...580
      H-20 MACHINE TRAVELS SLOWLY...581
      H-21 MACHINE CANNOT BE EASILY STEERED OR LACKS POWER...582
      H-22 TRAVEL SPEED DOES NOT SHIFT, OR IT IS SLOWER OR FASTER THAN PRESET SPEED...583
      H-23 TRACK SHOE DOES NOT TURN (ON ONE SIDE ONLY)...584
      H-24 MACHINE DOES NOT SWING...585
      H-25 SWING ACCELERATION IS POOR, OR SWING SPEED IS SLOW...586
      H-26 EXCESSIVE OVERRUN WHEN STOPPING SWING...587
      H-27 THERE IS BIG SHOCK WHEN STOPPING SWING...588
      H-28 THERE IS BIG ABNORMAL NOISE CAUSED WHEN STOPPING SWING...588
      H-29 SWING NATURAL DRIFT IS TOO BIG...589
      H-30 ATTACHMENT CIRCUIT DOES NOT CHANGE...590
      H-31 FLOW RATE IN ATTACHMENT CIRCUIT CANNOT BE ADJUSTED...590
    TROUBLESHOOTING OF ENGINE (S MODE)...591
      POINTS TO REMEMBER WHEN TROUBLESHOOTING...592
      METHOD OF USING TROUBLESHOOTING CHARTS...593
      S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)...596
      S-2 ENGINE DOES NOT START...597
      S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)...600
      S-4 ENGINE STOPS DURING OPERATIONS...601
      S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)...602
      S-6 ENGINE LACKS OUTPUT (OR LACKS POWER)...603
      S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)...604
      S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST SMOKE IS BLUE)...605
      S-9 OIL BECOMES CONTAMINATED QUICKLY...606
      S-10 FUEL CONSUMPTION IS EXCESSIVE...607
      S-11 OIL IS IN COOLING WATER (OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN)...608
      S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE)...609
      S-13 OIL LEVEL RISES (WATER, FUEL IN OIL)...610
      S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)...611
      S-15 ABNORMAL NOISE IS MADE...612
      S-16 VIBRATION IS EXCESSIVE...613
30 DISASSEMBLY AND ASSEMBLY...614
  HOW TO READ THIS MANUAL...615
  PRECAUTIONS WHEN PERFORMING OPERATION...617
  SPECIAL TOOL LIST...619
  REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY...626
  REMOVAL AND INSTALLATION OF ENGINE REAR SEAL...633
  REMOVAL AND INSTALLATION OF ENGINE FRONT SEAL...637
  REMOVAL AND INSTALLATION OF FUEL SUPPLY PUMP ASSEMBLY...640
  REMOVAL AND INSTALLATION OF FUEL INJECTOR ASSEMBLY...643
  REMOVAL AND INSTALLATION OF NOZZLE TIP...646
  REMOVAL AND INSTALLATION OF STARTING MOTOR ASSEMBLY...648
  REMOVAL AND INSTALLATION OF RADIATOR ASSEMBLY...649
  REMOVAL AND INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY...651
  REMOVAL AND INSTALLATION OF ENGINE AND HYDRAULIC PUMP ASSEMBLY...653
  REMOVAL AND INSTALLATION OF SWING CIRCLE ASSEMBLY...658
  REMOVAL AND INSTALLATION OF SWING MOTOR AND SWING MACHINERY ASSEMBLY...659
  DISASSEMBLY AND ASSEMBLY OF SWING MOTOR AND SWING MACHINERY ASSEMBLY...660
  REMOVAL AND INSTALLATION OF SPROCKET...667
  REMOVAL AND INSTALLATION OF TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY...668
  DISASSEMBLY AND ASSEMBLY OF FINAL DRIVE ASSEMBLY...669
  DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER ASSEMBLY...676
  DISASSEMBLY AND ASSEMBLY OF TRACK ROLLER ASSEMBLY...678
  DISASSEMBLY AND ASSEMBLY OF IDLER ASSEMBLY...679
  DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING ASSEMBLY...682
  EXPANSION AND INSTALLATION OF TRACK SHOE ASSEMBLY...684
  REMOVAL AND INSTALLATION OF OPERATOR?S CAB (STANDARD SPECIFICATION)...686
  REMOVAL AND INSTALLATION OF PUMP CONTROLLER (STANDARD SPECIFICATION)...689
  REMOVAL AND INSTALLATION OF REVOLVING FRAME ASSEMBLY...690
  REMOVAL AND INSTALLATION OF COUNTERWEIGHT ASSEMBLY...693
  REMOVAL AND INSTALLATION OF HYDRAULIC TANK ASSEMBLY...694
  REMOVAL AND INSTALLATION OF HYDRAULIC PUMP ASSEMBLY...696
  REMOVAL AND INSTALLATION OF OIL SEAL IN HYDRAULIC PUMP INPUT SHAFT...699
  REMOVAL AND INSTALLATION OF CONTROL VALVE ASSEMBLY...700
  DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE ASSEMBLY...703
  REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY...707
  DISASSEMBLY AND ASSEMBLY OF OF CENTER SWIVEL JOINT ASSEMBLY...709
  DISASSEMBLY AND ASSEMBLY OF WORK EQUIPMENT PPC VELVE ASSEMBLY...710
  DISASSEMBLY AND ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY...711
  DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY...712
  REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY...717
  REMOVAL AND INSTALLATION OF OPERATOR?S CAB GLASS (STUCK GLASS)...720
  REMOVAL AND INSTALLATION OF FRONT WINDOW ASSEMBLY...730
70 SUPPLEMENT FOR OFF-SET BOOM EXCAVATOR...736
  SPECIFICATION DRAWINGS...737
  SPECIFICATIONS...738
  WEIGHT TABLE...739
  TESTING AND ADJUSTING...741
  TROUBLESHOOTING...742
  MAINTENANCE STANDARD...744
90 OTHERS...754
  HYDRAULIC CIRCUIT DIAGRAM (1/2)...755
  HYDRAULIC CIRCUIT DIAGRAM (2/2)...756
  ELECTRICAL CIRCUIT DIAGRAM (1/5) (EXTREME COLD SPEC.)...757
  ELECTRICAL CIRCUIT DIAGRAM (2/5) (EXTREME COLD SPEC.)...758
  ELECTRICAL CIRCUIT DIAGRAM (3/5) (EXTREME COLD SPEC.)...759
  ELECTRICAL CIRCUIT DIAGRAM (4/5) (EXTREME COLD SPEC.)...760
  ELECTRICAL CIRCUIT DIAGRAM (5/5) (EXTREME COLD SPEC.)...761