Komatsu PC138US-11 Operation & Maintenance Manual page 19

TABLE OF CONTENTS
PHENOMENA THAT ARE NOT FAILURES .............................................................................................. 3-234
PRECAUTIONS FOR TOWING MACHINE ............................................................................................... 3-235
PRECAUTIONS FOR SEVERE JOB CONDITION ................................................................................... 3-236
PRECAUTIONS FOR DISCHARGED BATTERY ..................................................................................... 3-237
OTHER TROUBLE ........................................................................................................................................ 3-241
MAINTENANCE .................................................................................................................................................................. 4-1
PRECAUTIONS FOR MAINTENANCE ................................................................................................................... 4-2
CHECK SERVICE METER READING .............................................................................................................. 4-2
KOMATSU GENUINE REPLACEMENT PARTS ............................................................................................ 4-2
KOMATSU GENUINE LUBRICANTS ................................................................................................................ 4-2
ALWAYS USE CLEAN WASHER FLUID ......................................................................................................... 4-2
FRESH AND CLEAN LUBRICANTS ................................................................................................................. 4-2
CHECK DRAINED OIL AND USED FILTER ................................................................................................... 4-2
PRECAUTIONS FOR REFILLING OIL OR FUEL .......................................................................................... 4-2
PRECAUTIONS FOR ADDING DEF ............................................................................................................... 4-2
WELDING INSTRUCTIONS .............................................................................................................................. 4-2
DO NOT DROP THINGS INSIDE MACHINE.................................................................................................. 4-2
BURN PREVENTION ......................................................................................................................................... 4-2
DUSTY JOBSITES .............................................................................................................................................. 4-3
AVOID MIXING OIL ............................................................................................................................................ 4-3
LOCK INSPECTION COVERS ......................................................................................................................... 4-3
BLEED AIR FROM HYDRAULIC CIRCUIT ..................................................................................................... 4-3
PRECAUTIONS WHEN INSTALLING HYDRAULIC HOSES ....................................................................... 4-3
CHECKS AFTER INSPECTION AND MAINTENANCE ................................................................................ 4-3
FUEL AND LUBRICANTS TO MATCH THE AMBIENT TEMPERATURE ................................................. 4-3
OUTLINE OF MAINTENANCE ................................................................................................................................. 4-4
HANDLE OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC .......................................................... 4-4
HANDLE ELECTRICAL COMPONENTS ........................................................................................................ 4-8
STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS ......................................................................... 4-9
MAINTENANCE SCHEDULE.................................................................................................................................. 4-11
MAINTENANCE SCHEDULE TABLE ............................................................................................................ 4-11
MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER ....................................................................... 4-12
MAINTENANCE PROCEDURE .............................................................................................................................. 4-13
WHEN REQUIRED ........................................................................................................................................... 4-13
CHECKS BEFORE STARTING ...................................................................................................................... 4-39
EVERY 100 HOURS MAINTENANCE ........................................................................................................... 4-39
EVERY 250 HOURS MAINTENANCE ........................................................................................................... 4-41
EVERY 500 HOURS MAINTENANCE ........................................................................................................... 4-47
EVERY 1000 HOURS MAINTENANCE ......................................................................................................... 4-55
EVERY 2000 HOURS MAINTENANCE ......................................................................................................... 4-63
EVERY 4000 HOURS MAINTENANCE ......................................................................................................... 4-73
EVERY 4500 HOURS MAINTENANCE ......................................................................................................... 4-76
EVERY 5000 HOURS MAINTENANCE ......................................................................................................... 4-76
EVERY 8000 HOURS MAINTENANCE ......................................................................................................... 4-78
EVERY 9000 HOURS MAINTENANCE ......................................................................................................... 4-78
SPECIFICATIONS .............................................................................................................................................................. 5-1
SPECIFICATIONS ...................................................................................................................................................... 5-2
SPECIFICATIONS: PC138US-11 ..................................................................................................................... 5-2
EXPLANATION OF LIFT CAPACITY CHART ........................................................................................................ 5-4
ATTACHMENTS AND OPTIONS ..................................................................................................................................... 6-1
PRECAUTIONS FOR USING ATTACHMENT AND OPTIONS ........................................................................... 6-2
PRECAUTIONS WHEN SELECTING .............................................................................................................. 6-2
READ THE OPERATION AND MAINTENANCE MANUAL THOROUGHLY ............................................. 6-2
PRECAUTIONS WHEN REMOVING AND INSTALLING ............................................................................. 6-2
PRECAUTIONS WHEN USING........................................................................................................................ 6-2
QUICK COUPLER SYSTEM ..................................................................................................................................... 6-4
HANDLING QUICK COUPLER ......................................................................................................................... 6-4
2-PIECE BOOM ........................................................................................................................................................... 6-7
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FOREWORD