Complete service repair manual with Electrical Wiring Diagrams for Komatsu Hydraulic Excavator PC50UU, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.

Komatsu Hydraulic Excavator PC50UU-1, PC50UU-2 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.

SEBM020U0104 - Hydraulic Excavator PC50UU-1 Shop Manual.pdf
SEBM000906 - Hydraulic Excavator PC50UU-2 Shop Manual.pdf
SEAM020U0100 - Hydraulic Excavator PC50UU-1 Operation & Maintenance Manual.pdf
SEAM020U0101 - Hydraulic Excavator PC50UU-1 Operation & Maintenance Manual.pdf
SEAM005500 - Hydraulic Excavator PC50UU-2 Operation & Maintenance Manual.pdf
SEAM005503T - Hydraulic Excavator PC50UU-2 Operation & Maintenance Manual.pdf
SEAM034800 - Hydraulic Excavator PC28UU-2 Operation & Maintenance Manual.pdf

PRODUCT DETAILS:
Total Pages: 1,895 pages
File Format: PDF
Language: English

SEAM005500 - Hydraulic Excavator PC50UU-2 Operation & Maintenance Manual...2
  COVER...2
  1.   FOREWORD...3
  2.   SAFETY INFORMATION...4
  3.   INTRODUCTION...5
  4.   LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR...6
  CONTENTS...7
  SAFETY...12
    6.   General Precautions...13
    7.   Precautions During Operation...18
      7.1   Before Starting Engine...18
      7.2   Operating Machine...20
      7.3   Transportation...25
      7.4   Battery...26
      7.5   Towing...27
    8.   Precautions for Maintenance...28
      8.1   Before Carrying Out Maintenance...28
      8.2   During Maintenance...31
    9.   Position for Attaching Safety Labels...35
  OPERATION...40
    10.   General View...41
      10.1   General View of Machine...41
      10.2   General View of Controls and Gauges...42
    11.   Explanation of Components...43
      11.1   Machine Monitor...44
      11.2   Switches...50
      11.3   Control Levers and Pedals...53
      11.4   Engine Hood...57
      11.5   Front Window...58
      11.6   Sliding Door...60
      11.7   Fuse Box...61
      11.8   Fusible Link...61
      11.9   Cap with Lock, Cover...62
      11.10   Tool Box...63
      11.11   Grease Gun Holder...63
    12.   Operation...64
      12.1   Check Before Starting Engine...64
      12.2   Starting Engine...72
      12.3   Operations and Checks After Starting Engine...74
      12.4   Moving Machine Off...77
      12.5   Steering Machine...79
      12.6   Stopping Machine...81
      12.7   Swinging...82
      12.8   Prohibitions for Operation...83
      12.9   Precautions for Operation...85
      12.10   Precautions when Traveling Up or Down Hills...86
      12.11   Work Possible Using Hydraulic Excavator...88
      12.12   Parking Machine...90
      12.13   Check After Finishing Work...91
      12.14   Stopping Engine...91
      12.15   Check After Stopping Engine...92
      12.16   Locking...92
      12.17   How to Excape From Mud...93
      12.18   Replacement of Bucket...94
      12.19   Handling 4-System...96
      12.20   Handling Rubber Shoes (Rubber Shoes Only)...106
    13.   Transportation...111
      13.1   Loading, Unloading Work...111
      13.2   Method for Lifting Chassis...113
      13.3   Precautions for Loading...115
      13.4   Precautions for Transportation...116
    14.   Cold Weather Operation...117
      14.1   Precautions for Low Temperature...117
      14.2   Cautions After Completion of Work...119
      14.3   Preparing the Cab Heater...120
      14.4   After Cold Weather...120
    15.   Long-term Storage...121
      15.1   Before Storage...121
      15.2   During Storage...122
      15.3   After Storage...122
    16.   Troubleshooting...123
      16.1   Phenomena That Are Not Failures...123
      16.2   Method of Towing Machine...125
      16.3   Precautions on Particular Jobsites...125
      16.4   If Battery is Discharged...126
      16.5   Other Trouble...130
  MAINTENANCE...136
    17.   Guides to Maintenance...137
    18.   Outlines of Service...140
      18.1   Outline of Oil, Fuel, Coolant...140
      18.2  Relating to Electric System...143
    19.   Wear Parts List...144
    20.   Use of Fuel, Coolant and Lubricants According to Ambient Temperature...145
    21.   Standard Tightening Torbues for Bolts and Nuts...149
      21.1   Introduction of Necessary Tools...149
      21.2  Torque List...150
    22.   Periodic Replacement of Safety Critical Parts...151
    23.   Maintenance Schedule Chart...153
      23.1   Maintenance Schedule Chart...153
    24.   Service Procedure...156
      24.1   Initial 250 Hours Service (only after the first 250 hours)...156
        Engine Valve Clearance, Check and Adjust...156
      24.2   When Required...157
        Check, Clean and Replace Air Cleaner Element...157
        Clean Inside of Cooling System...160
        Drain Water, Sediment from Fuel Tank...164
        Check Level of Battery Electrolyte...165
        Clean Water Separator Element...166
        Check Electric Wirings...167
        Check Rubber Shoes (machine equipped with rubber shoes)...168
        Check and Adjust Track Tension (machine equipped with rubber shoes)...170
        Replace Rubber Shoes (machine equipped with rubber shoes)...173
        Check and Adjust Track Tension (machine equipped with steel shoes)...176
        Replace Bucket Teeth...179
        Adjust Bucket Clearance...180
      24.3   Check Before Starting...181
        Check and Refill Coolant...181
        Check Oil Level in Engine Oil Pan, Add Oil...181
        Check Fuel Level...182
        Check Oil Level in Hydraulic Tank, Add Oil...183
        Check Dust Indicator...184
        Check Water Separator...184
      24.4   Every 100 Hours Service...185
        Lubricating...185
          Swing Circle (1 point)...185
          Swing Pinion (1 point)...185
          Blade Cylinder Foot Pin ( 1 point)...185
          Blade Cylinder Rod End ( 1 point)...185
          Blade Foot Pin ( 2 points)...185
          First Boom Foot Pin ( 2 points)...185
          Boom Cylinder Foot Pin ( 1 point)...185
          Boom Cylinder Rod End ( 1 point)...185
          First Boom - Second Boom Coupling Pin ( 2 points)...185
          Offset Cylinder Foot Pin ( 1 point)...186
          Offset Cylinder Rod End Pin ( 1 point)...186
          Sub-link Coupling Pin ( 2 points)...186
          Second Boom - Third Bracket Coupling Pin ( 2 points )...186
          Arm Cylinder Foot Pin ( 2 points )...186
          Arm Cylinder Rod End Pin ( 1 point)...186
          Third Bracket - Arm Coupling Pin ( 2 points )...186
          Bucket Cylinder Foot Pin ( 1 point )...186
          Bucket Cylinder Rod End Pin ( 1 point )...186
          Arm-Link Coupling Pin ( 1 point )...186
          Link Coupling Pin ( 1 point )...186
          Bucket-Link Coupling Pin ( 1 point )...186
          Arm-Bucket Coupling Pin ( 1 point )...186
      24.5   Every 250 Hours Service...187
        Change Oil in Engine Oil Pan, Replace Engine Oil Filter Cartridge...187
        Check Oil Level in Final Drive Case, Add Oil...189
        Replace Hydraulic Filter Element...190
        Check Fan Belt Tension, Adjust...192
      24.6   Every 500 Hours Serv ice...193
        Replace Fuel Filter Cartridge...193
        Clean, Check Radiator Fins...195
      24.7   Every 1000 Hours Service...196
        Change Oil in Swing Machinery Case...196
        Change Oil in Final Drive Case...197
      24.8   Every 2000 Hours Service...198
        Change Oil in Hydraulic Tank, Clean Strainer...198
        Check Alternator, Starting Motor...200
        Check Engine Valve Clearance, Adjust...200
  SPECIFICATIONS...202
    25.   Specifications...203
  OPTION, ATTACHMENT...206
    26.   Using Car Radio...207
      26.1   Explanation of Parts...207
      26.2   Method of Use...209
      26.3   Precautions for Use...210
      26.4   Specifications...211
    27.   Using Car Cooler...212
      27.1   Control Panel...212
      27.2   Precautions When Using...212
      27.3   Inspection and Maintenance of Car Cooler...213
    28.   Handling Window Washer...215
      28.1   Operation of Window Washer...215
      28.2   Check Window Washer Fluid, Add Fluid...215
    29.   General Precautions...216
      29.1   Precautions Related to Safety...216
    30.   Introduction of Attachments...217
      30.1   Specification, Use...217
      30.2   Precautions When installing Attachments...218
      30.3   Replacing Bucket Teeth ( bucket with vertical pin type tooth )...219
      30.4   Precautions When Using Hydraulic Breaker...222
    31.   Machines Able to Install Attachments...225
      31.1   Explanation of Equipment...225
      31.2   Hydraulic Circuit...227
      31.3   Operation...228
      31.4   Long-term Storage...229
      31.5   Specifications...229
SEAM005503T - Hydraulic Excavator PC50UU-2 Operation & Maintenance Manual...230
  COVER...230
  1. FOREWORD...231
  2. SAFETY INFORMATION...234
  3. INTRODUCTION...235
  4. LOCATION OF PLATES,TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR...236
  5. CONTENTS...237
  SAFETY...241
    6. GENERAL PRECAUTIONS...242
    7. PRECAUTIONS DURING OPERATION...247
      7.1 BEFORE STARTING ENGINE...247
      7.2 OPERATING MACHINE...249
      7.3 TRANSPORTATION...254
      7.4 BATTERY...255
      7.5 TOWING...256
    8. PRECAUTIONS FOR MAINTENANCE...257
      8.1 BEFORE CARRYING OUT MAINTENANCE...257
      8.2 DURING MAINTENANCE...260
    9. POSITION FOR ATTACHING SAFETY LABELS...264
  OPERATION...268
    10. GENERAL VIEW...269
      10.1 GENERAL VIEW OF MACHINE...269
      10.2 GENERAL VIEW OF CONTROLS AND GAUGES...270
    11. EXPLANATION OF COMPONENTS...271
      11.1 MACHINE MONITOR...272
      11.2 SWITCHES...278
      11.3 CONTROL LEVERS AND PEDALS...281
      11.4 ENGINE HOOD...285
      11.5 FRONT WINDOW...286
      11.6 SLIDING DOOR...288
      11.7 FUSE BOX...289
      11.8 FUSIBLE LINK...289
      11.9 CAP WITH LOCK,COVER...290
      11.10 TOOL BOX...291
      11.11 GREASE GUN HOLDER...291
    12. OPERATION...292
      12.1 CHECK BEFORE STARTING ENGINE...292
      12.2 STARTING ENGINE...300
      12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE...302
      12.4 MOVING MACHINE OFF...305
      12.5 STEERING MACHINE...307
      12.6 STOPPING MACHINE...309
      12.7 SWINGING...310
      12.8 PROHIBITIONS FOR OPERATION...311
      12.9 PRECAUTIONS FOR OPERATION...313
      12.10 PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS...314
      12.11 WORK POSSIBLE USING HYDRAULIC EXCAVATOR...316
      12.12 PARKING MACHINE...318
      12.13 CHECK AFTER FINISHING WORK...319
      12.14 STOPPING ENGINE...319
      12.15 CHECK AFTER STOPPING ENGINE...320
      12.16 LOCKING...320
      12.17 HOW TO ESCAPE FROM MUD...321
      12.18 REPLACEMENT OF BUCKET...322
      12.19 HANDLING 4-SYSTEM...324
      12.20 HANDLING RUBBER SHOES (RUBBER SHOES ONLY)...334
    13. TRANSPORTATION...339
      13.1 LOADING, UNLOADING WORK...339
      13.2 METHOD OF LIFTING CHASSIS...341
      13.3 PRECAUTIONS FOR LOADING...343
      13.4 PRECAUTIONS FOR TRANSPORTATION...344
    14. COLD WEATHER OPERATION...345
      14.1 PRECAUTIONS FOR LOW TEMPERATURE...345
      14.2 COUTIONS AFTER COMPLETION OF WORK...347
      14.3 PREPARING THE CAB HEATER...348
      14.4 AFTER COLD WEATHER...348
    15. LONG-TERM STORAGE...349
      15.1 BEFORE STORAGE...349
      15.2 DURING STORAGE...350
      15.3 AFTER STORAGE...350
    16. TROUBLESHOOTING...351
      16.1 PHENOMENA THAT ARE NOT FAILURES...351
      16.2 METHOD OF TOWING MACHINE...353
      16.3 PRECAUTIONS ON PARTICULAR JOBSITES...353
      16.4 IF BATTERY IS DISCHARGED...354
      16.5 OTHER TROUBLE...358
  MAINTENANCE...363
    17. GUIDES TO MAINTENANCE...364
    18. OUTLINES OF SERVICE...367
      18.1 OUTLINE OF OIL,FUEL,COOLANT...367
      18.2 RELATING TO ELECTRIC SYSTEM...370
    19. WEAR PARTS LIST...371
    20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE...372
    21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS...376
      21.1 INTRODUCTION OF NECESSARY TOOLS...376
      21.2 TORQUE LIST...377
    22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS...378
    23. MAINTENANCE SCHEDULE CHART...380
    24. SERVICE PROCEDURE...383
      24.1 INITIAL 250 HOURS SERVICE...383
      24.2 WHEN REQUIRED...384
      24.3 CHECK BEFORE STARTING...408
      24.4 EVERY 100 HOURS SERVICE...412
      24.5 EVERY 250 HOURS SERVICE...413
      24.6 EVERY 500 HOURS SERVICE...419
      24.7 EVERY 1000 HOURS SERVICE...424
      24.8 EVERY 2000 HOURS SERVICE...425
      24.9 EVERY 4000 HOURS SERVICE...426
  SPECIFICATIONS...429
    25. SPECIFICATIONS...430
  OPTIONS,ATTACHMENTS...433
    26. USING CAR RADIO...434
      26.1 EXPLANATION OF PARTS...434
      26.2 METHOD OF USE...436
      26.3 PRECAUTIONS FOR USE...437
      26.4 SPECIFICATIONS...438
    27. USING CAR COOLER...439
      27.1 CONTROL PANEL...439
      27.2 PRECAUTIONS WHEN USING...439
      27.3 INSPECTION AND MAINTENANCE OF CAR COOLER...440
    28. HANDLING WINDOW WASHER...442
      28.1 OPERATION OF WINDOW WASHER...442
      28.2 CHECK WINDOW WASHER FLUID,ADD FLUID...442
    29. GENERAL PRECAUTIONS...443
      29.1 PRECAUTIONS RELATED TO SAFETY...443
    30. INTRODUCTION OF ATTACHMENTS...444
      30.1 SPECIFICATION,USE...444
      30.2 PRECAUTIONS WHEN INSTALLING ATTACHMENTS...445
      30.3 REPLACING BUCKET TEETH (BUCKET WITH VERTICAL PIN TYPE TOOTH)...446
      30.4 PRECAUTIONS WHEN USING HYDRAULIC BREAKER...449
    31. MACHINES ABLE TO INSTALL ATTACHMENTS...452
      31.1 EXPLANATION OF EQUIPMENT...452
      31.2 HYDRAULIC CIRCUIT...454
      31.3 OPERATION...455
      31.4 LONG-TERM STORAGE...456
      31.5 SPECIFICATIONS...456
SEAM020U0100 - Hydraulic Excavator PC50UU-1 Operation & Maintenance Manual...458
  COVER...458
  FOREWORD...459
  BREAKING IN YOUR NEW MACHINE...460
  CONTENTS...461
  GENERAL LOCATIONS AND SPECIFICATIONS...462
  INSTRUMENTS AND CONTROLS...463
  CHECK BEFORE STARTING...475
  OPERATING YOUR MACHINE...479
  REPLACEMENT OF BUCKET...493
  COLD WEATHER OPERATION...494
  PERIODIC MAINTENANCE...498
    MAINTENANCE TABLE...499
    OIL FILLER AND LEVEL GAUGE POSITIONS...502
    EVERY 50 HOURS SERVICE...503
    EVERY 100 HOURS SERVICE...504
    INITIAL 250 HOURS SERVICE...507
    EVERY 250 HOURS SERVICE...507
    EVERY 500 HOURS SERVICE...512
    EVERY 1000 HOURS SERVICE...515
    EVERY 2000 HOURS SERVICE...517
    WHEN REQUIRED...519
  TROUBLE SHOOTING GUIDE...525
  SERVICE METER...528
  MACHINE AND ENGINE SERIAL NUMBERS...529
  FUEL,COOLANT AND LUBRICANTS...530
  SAFETY AND OPERATION...532
    CONTENTS...533
    SAFETY HINTS...534
    EXCAVATOR'S WORK...543
    HANDLING OF BATTERY...544
    TRANSPORTATION...547
    PRECAUTIONS FOR MAINTENANCE...549
    STORAGE...554
    COOLANT AND LUBRICANTS...556
SEAM020U0101 - Hydraulic Excavator PC50UU-1 Operation & Maintenance Manual...558
  COVER...558
  FOREWORD...559
  BREAKING IN YOUR NEW MACHINE...560
  CONTENTS...561
  GENERAL LOCATIONS AND SPECIFICATIONS...562
  INSTRUMENTS AND CONTROLS...563
  CHECK BEFORE STARTING...576
  OPERATING YOUR MACHINE...581
  REPLACEMENT OF BUCKET...596
  COLD WEATHER OPERATION...597
  PERIODIC MAINTENANCE...601
    PERIODICAL REPLACEMENT OF SAFETY PARTS...602
    MAINTENANCE TABLE...604
    OIL FILLER AND LEVEL GAUGE POSITIONS...607
    EVERY 50 HOURS SERVICE...608
    EVERY 100 HOURS SERVICE...609
    INITIAL 250 HOURS SERVICE...612
    EVERY 250 HOURS SERVICE...612
    EVERY 500 HOURS SERVICE...617
    EVERY 1000 HOURS SERVICE...620
    EVERY 2000 HOURS SERVICE...622
    WHEN REQUIRED...624
  HANDLING RUBBER SHOES...630
  TROUBLE SHOOTING GUIDE...635
  SERVICE METER...638
  MACHINE AND ENGINE SERIAL NUMBERS...639
  FUEL,COOLANT AND LUBRICANTS...640
  SAFETY AND OPERATION...642
    CONTENTS...643
    SAFETY HINTS...644
    EXCAVATOR'S WORK...653
    HANDLING OF BATTERY...654
    TRANSPORTATION...657
    METHOD OF RAISING THE MACHINE...659
    PRECAUTIONS FOR MAINTENANCE...660
    STORAGE...665
    COOLANT AND LUBRICANTS...667
SEAM034800 - Hydraulic Excavator PC28UU-2 Operation & Maintenance Manual...669
  COVER...669
  1. FOREWORD...670
  2. SAFETY INFORMATION...671
  3. INTRODUCTION...672
  4. LOCATION OF PLATES,TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR...673
  5. CONTENTS...674
  SAFETY...678
    6. GENERAL PRECAUTIONS...679
    7. PRECAUTION DURING OPERATION...684
      7.1 BEFORE STARTING ENGINE...684
      7.2 OPERATING MACHINE...686
      7.3 TRANSPORTATION...691
      7.4 BATTERY...692
      7.5 TOWING...693
    8. PRECAUTIONS FOR MAINTENANCE...694
      8.1 BEFORE CARRYING OUT MAINTENANCE...694
      8.2 DURING MAINTENANCE...697
    9. POSITION FOR ATTACHING SAFETY LABELS...701
      9.1 POSITION FOR ATTACHING SAFETY LABELS...701
  OPERATION...704
    10. GENERAL VIEW...705
      10.1 GENERAL VIEW OF MACHINE...705
      10.2 GENERAL VIEW OF CONTROLS AND GAUGES...706
    11. EXPLANATION OF COMPONENTS...707
      11.1 MACHINE MONITOR...708
      11.2 SWITCHES...714
      11.3 CONTROL LEVERS AND PEDALS...716
      11.4 ENGINE HOOD...720
      11.5 FUSE BOX...721
      11.6 FUSIBLE LINK...721
      11.7 COVER WITH LOCK...722
      11.8 TOOL BOX...723
      11.9 GREASE GUN HOLDER...723
    12. OPERATION...724
      12.1 CHECK BEFORE STARTING ENGINE...724
      12.2 STARTING ENGINE...731
      12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE...733
      12.4 MOVING MACHINE OFF...736
      12.5 STEERING MACHINE...738
      12.6 STOPPING MACHINE...740
      12.7 SWINGING...741
      12.8 PROHIBITIONS FOR OPERATION...742
      12.9 PRECAUTIONS FOR OPERATION...744
      12.10 PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS...745
      12.11 WORK POSSIBLE USING HYDRAULIC EXCAVATOR...747
      12.12 PARKING MACHINE...749
      12.13 CHECK AFTER FINISHING WORK...750
      12.14 STOPPING ENGINE...750
      12.15 CHECK AFTER STOPPING ENGINE...751
      12.16 LOCKING...751
      12.17 HOW TO ESCAPE FROM MUD...752
      12.18 REPLACEMENT OF BUCKET...753
      12.19 HANDLING 4-SYSTEM...755
      12.20 HANDLING RUBBER SHOES (RUBBER SHOES ONLY)...765
    13. TRANSPORTATION...770
      13.1 LOADING,UNLOADING WORK...770
      13.2 METHOD FOR LIFTING CHASSIS...772
      13.3 PRECAUTIONS FOR LOADING...774
      13.4 PRECAUTIONS FOR TRANSPORTATION...775
    14. COLD WEATHER OPERATION...776
      14.1 PRECAUTIONS FOR LOW TEMPERATURE...776
      14.2 CAUTIONS AFTER COMPLETION OF WORK...778
      14.3 PREPARING THE CAB HEATER (IF EQUIPPED)...779
      14.4 AFTER COLD WEATHER...779
    15. LONG-TERM STORAGE...780
      15.1 BEFORE STORAGE...780
      15.2 DURING STORAGE...781
      15.3 AFTER STORAGE...781
    16. TROUBLESHOOTING...782
      16.1 PHENOMENA THAT ARE NOT FAILURES...782
      16.2 METHOD OF TOWING MACHINE...784
      16.3 PRECAUTIONS ON PARTICULAR JOBSITES...784
      16.4 IF BATTERY IS DISCHARGED...785
      16.5 OTHER TROUBLE...789
  MAINTENANCE...794
    17. GUIDES TO MAINTENANCE...795
    18. OUTLINES OF SERVICE...798
      18.1 OUTLINE OF OIL,FUEL,COOLANT...798
      18.2 RELATING TO ELECTRIC SYSTEM...801
    19. WEAR PARTS LIST...802
    20. USE OF FUEL,COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE...803
    21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS...807
      21.1 INTRODUCTION OF NECESSARY TOOLS...807
      21.2 TORQUE LIST...808
    22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS...809
    23. MAINTENANCE SCHEDULE CHART...811
      23.1 MAINTENANCE SCHEDULE CHART...811
    24. SERVICE PROCEDURE...814
      24.1 INITIAL 250 HOURS SERVICE...814
      24.2 WHEN REQUIRED...815
      24.3 CHECK BEFORE STARTING...838
      24.4 EVERY 100 HOURS SERVICE...842
      24.5 EVERY 250 HOURS SERVICE...844
      24.6 EVERY 500 HOURS SERVICE...849
      24.7 EVERY 1000 HOURS SERVICE...852
      24.8 EVERY 2000 HOURS SERVICE...854
  SPECIFICATIONS...857
    25. SPECIFICATIONS...858
  OPTIONS,ATTACHMENTS...861
    26. GENERAL PRECAUTIONS...862
      26.1 PRECAUTIONS RELATED TO SAFETY...862
    27. HANDLING BUCKET WITH HOOK...863
      27.1 CHECKING FOR DAMAGE TO BUCKET WITH HOOK...863
      27.2 PROHIBITED OPERATIONS...863
      27.3 PRECAUTIONS DURING OPERATIONS...863
    28. INTRODUCTION OF ATTACHMENTS...864
      28.1 SPECIFICATION,USE...864
      28.2 PRECAUTIONS WHEN INSTALLING ATTACHMENTS...865
      28.3 HANDLING POWER TILT,MECHANICAL ANGLE BLADE...866
SEBM020U0104 - Hydraulic Excavator PC50UU-1 Shop Manual...1710
  COVER...1710
  CONTENTS...1711
  10 STRUCTURE AND FUNCTION...1724
    POWER TRAIN...1725
    SWING MACHINERY...1726
    SWING CIRCLE...1727
    TRACK FRAME AND RECOIL SPRING...1728
    IDLER...1730
    TRACK ROLLER...1731
    TRACK SHOE...1732
    HYDRAULIC PIPING...1733
    HYDRAULIC CIRCUIT SCHEMATICS...1734
    HYDRAULIC CIRCUIT DIAGRAM...1736
    HYDRAULIC TANK AND FUEL TANK...1738
    HYDRAULIC PUMP...1739
    6-SPOOL CONTROL VALVE...1740
    3-SPOOL CONTROL VALVE...1744
    SUCTION VALVE...1747
    SWING MOTOR...1749
    CENTER SWIVEL JOINT...1750
    TRAVEL MOTOR WITH REDUCTION GEAR...1751
      1. TRAVEL MOTOR AND FINAL DRIVE...1752
      2. BRAKE VALVE...1755
    HYDRAULIC CYLINDER...1757
    WORK EQUIPMENT CONTROL...1760
    WORK EQUIPMENT...1761
    ELECTRICAL CIRCUIT...1762
  20 TESTING AND ADJUSTING...1764
    TABLE OF JUDGEMENT STANDARD VALUE...1765
    TESTING AND ADJUSTING TOOL LIST...1780
    ADJUSTING VALVE CLEARANCE...1781
    MEASURING COMPRESSION PRESSURE...1782
    ADJUSTING FUEL INJECTION TIMING...1783
    TESTING AND ADJUSTING HYDRAULIC PRESSURE...1784
    MEASURING OIL LEAKAGE FROM SWING AND TRAVEL MOTOR...1786
    MEASURING OIL LEAKAGE FROM CYLINDER...1787
    CHECKING FOR OIL LEAKAGE FROM SWIVEL JOINT...1788
    TROUBLESHOOTING...1789
      PREPARATION OF TROUBLESHOOTING...1790
      HOW TO USE DIAGNOSTIC TABLE...1792
      PREVENTING RECURRENCE OF THE SAME TROUBLE...1794
      DIAGNOSTIC TABLE...1795
        1.BUCKET CURL(DUMP)LACKS POWER OR SPEED...1795
        2.ARM(BOOM)LACKS POWER OR SPEED...1796
        3.IMPOSSIBLE TO CURL OR DUMP BUCKET...1797
        4.IMPOSSIBLE TO MOVE WORK EQUPIMENT(BOOM,ARM)...1798
        5.HYDRAULIC DRIFT OF WORK EQUIPMENT IS EXCESSIVE(BOOM,ARM,BUCKET,BLADE)...1799
        6.BLADE,BOOM,OFFSET SPEED TOO LOW...1800
        7.BLADE,BOOM,OFFSET DO NOT MOVE...1801
        8.LEFT(OR RIGHT)SWING LACKS POWER OR SPEED...1802
        9.IMPOSSIBLE TO SWING TO LEFT(OR RIGHT)...1803
        10.HYDRAULIC DRIFT OF SWING ON SLOPES IS EXCESSIVE...1804
        11.SWING BRAKE ANGLE IS EXCESSIVE...1805
        12.MACHINE DEVIATES TO ONE SIDE WHEN TRAVELING...1806
        13.IMPOSSIBLE TO TRAVEL FORWARD(OR REVERSE)...1807
  30 DISASSEMBLY AND ASSEMBLY...1808
    METHOD OF READING MANUAL...1810
    SPECIAL TOOL LIST...1812
    WEIGHT TABLE...1814
    TIGHTENING TORQUE TABLE...1815
    LIST OF LUBRICANT AND WATER...1817
    STARTING MOTOR...1818
      REMOVAL...1818
      INSTALLATION...1818
    ALTERNATOR...1818
      REMOVAL...1818
      INSTALLATION...1818
    NOZZLE HOLDER...1820
      REMOVAL...1820
      INSTALLATION...1820
    RADIATOR...1820
      REMOVAL...1820
      INSTALLATION...1820
    FUEL INJECTION PUMP...1822
      REMOVAL...1822
      INSTALLATION...1822
    CYLINDER HEAD...1824
      REMOVAL...1824
      INSTALLAION...1824
    FAN PULLEY...1826
      REMOVAL...1826
      INSTALLATION...1826
    WATER PUMP...1826
      REMOVAL...1826
      INSTALLATION...1826
    THERMOSTAT...1826
      REMOVAL...1826
      INSTALLATION...1826
    ENGINE...1828
      REMOVAL...1828
      INSTALLATION...1828
    SWING CIRCLE...1830
      REMOVAL...1830
      INSTALLATION...1830
    SWING MACHINERY...1830
      REMOVAL...1830
      INSTALLATION...1830
      DISASSEMBLY...1832
      ASSEMBLY...1834
    CENTER SWIVEL JOINT...1836
      REMOVAL...1836
      INSTALLATION...1836
      DISASSEMBLY...1836
      ASSEMBLY...1836
    SWING MOTOR...1838
      REMOVAL...1838
      INSTALLATION...1838
    TRAVEL MOTOR...1838
      REMOVAL...1838
      INSTALLATION...1838
    REVOLVING FRAME...1840
      REMOVAL...1840
      INSTALLATION...1840
    IDLER...1842
      REMOVAL...1842
      INSTALLATION...1842
    RECOIL SPRING...1842
      REMOVAL...1842
      INSTALLAION...1842
      DISASSEMBLY...1842
      ASSEMBLY...1842
    TRACK ROLLER...1844
      REMOVAL...1844
      INSTALLATION...1844
    TRACK SHOE...1846
      REMOVAL...1846
      INSTALLAION...1846
    HYDRAULIC PUMP...1848
      REMOVAL...1848
      INSTALLATION...1848
    6-SPOOL CONTROL VALVE...1850
      REMOVAL...1850
      INSTALLATION...1850
    3-SPOOL CONTROL VALVE...1850
      REMOVAL...1850
      INSTALLATION...1850
    6-SPOOL CONTROL VALVE...1852
      DISASSEMBLY...1852
      ASSEMBLY...1852
    3-SPOOL CONTROL VALVE...1854
      DISASSEMBLY...1854
      ASSEMBLY...1854
    MAIN RELIEF VALVE...1856
      REMOVAL...1856
      INSTALLATION...1856
      DISASSEMBLY...1856
      ASSEMBLY...1856
    BOOM CYLINDER...1858
      REMOVAL...1858
      INSTALLATION...1858
    ARM CYLINDER...1858
      REMOVAL...1858
      INSTALLATION...1858
    BUCKET CYLINDER ...1860
      REMOVAL...1860
      INSTALLATION...1860
    BLADE CYLINDER...1860
      REMOVAL...1860
      INSTALLATION...1860
    OFFSET CYLINDER...1862
      REMOVAL...1862
      INSTALLATION...1862
    HYDRAULIC CYLINDER...1864
      DISASSEMBLY...1864
      ASSEMBLY...1866
    WORK EQUIPMENT...1868
      REMOVAL...1868
      INSTALLATION...1868
    BLADE...1868
      REMOVAL...1868
      INSTALLATION...1868
    ARM AND BUCKET...1870
      REMOVAL...1870
      INSTALLATION...1870
    BUCKET ...1870
      REMOVAL...1870
      INSTALLATION...1870
    ARM...1872
      REMOVAL...1872
      INSTALLATION...1872
    BOOM ...1874
      REMOVAL...1874
      INSTALLATION...1874
    SECOND BOOM...1876
      REMOVAL...1876
      INSTALLATION...1876
    THIRD BOOM...1876
      REMOVAL...1876
      INSTALLATION...1876
    SECONG AND THIRD BOOM(WITH ARM CYLINDER ASSEMBLY)...1878
      REMOVAL...1878
      INSTALLATION...1878
    FLOOR FRAME...1878
      REMOVAL...1878
      INSTALLATION...1878
  40 MAINTENANCE STANDARD...1880
    SWING MACHINERY...1881
    SWING CIRCLE...1882
    TRACK FRAME...1883
    IDLER...1885
    TRACK ROLLER...1887
    TRACK SHOE...1889
    SPROCKET...1890
    HYDRAULIC PUMP...1891
    6-SPOOL CONTROL VALVE...1892
    3-SPOOL CONTROL VALVE...1894
    CENTER SWIVEL JOINT...1895
    HYDRAULIC CYLINDER...1896
    WORK EQUIPMENT...1897

Komatsu Hydraulic Excavator PC50UU Repair Service Manuals