Komatsu PC240LC-11 Operation & Maintenance Manual page 12

TABLE OF CONTENTS
WELDING INSTRUCTIONS............................................................................................................... 4-2
DO NOT DROP THINGS INSIDE MACHINE ..................................................................................... 4-2
PRECAUTIONS FOR KDPF .............................................................................................................. 4-2
PRECAUTIONS FOR SCR ASSEMBLY ............................................................................................ 4-3
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
CLOSE ENGINE HOOD SECURELY................................................................................................. 4-4
OUTLINE OF MAINTENANCE.................................................................................................................. 4-5
HANDLE OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC .................................................. 4-5
HANDLE ELECTRICAL COMPONENTS ......................................................................................... 4-10
STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS ...............................................................4-11
MAINTENANCE SCHEDULE.................................................................................................................. 4-13
MAINTENANCE SCHEDULE TABLE............................................................................................... 4-13
MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER ............................................................. 4-15
MAINTENANCE PROCEDURE .............................................................................................................. 4-16
WHEN REQUIRED .......................................................................................................................... 4-16
CHECKS BEFORE STARTING........................................................................................................ 4-43
EVERY 100 HOURS MAINTENANCE ............................................................................................. 4-44
EVERY 250 HOURS MAINTENANCE ............................................................................................. 4-45
EVERY 500 HOURS MAINTENANCE ............................................................................................. 4-50
EVERY 1000 HOURS MAINTENANCE ........................................................................................... 4-62
EVERY 2000 HOURS MAINTENANCE ........................................................................................... 4-71
EVERY 4000 HOURS MAINTENANCE ........................................................................................... 4-83
EVERY 4500 HOURS MAINTENANCE ........................................................................................... 4-87
EVERY 5000 HOURS MAINTENANCE ........................................................................................... 4-88
EVERY 8000 HOURS MAINTENANCE ........................................................................................... 4-90
EVERY 9000 HOURS MAINTENANCE ........................................................................................... 4-91
SPECIFICATIONS ........................................................................................................................................... 5-1
SPECIFICATIONS .................................................................................................................................... 5-2
ATTACHMENTS AND OPTIONS ..................................................................................................................... 6-1
PRECAUTIONS FOR USING ATTACHMENTS AND OPTIONS SAFELY ................................................. 6-2
PRECAUTIONS WHEN SELECTING ................................................................................................ 6-2
READ THE OPERATION AND MAINTENANCE MANUAL THOROUGHLY....................................... 6-2
PRECAUTIONS WHEN REMOVING OR INSTALLING ..................................................................... 6-2
PRECAUTIONS WHEN USING ......................................................................................................... 6-2
HANDLE BUCKET WITH HOOK............................................................................................................... 6-4
PRECAUTIONS FOR OPERATION ................................................................................................... 6-4
HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT .................................................... 6-5
EXPLANATION OF COMPONENTS ON MACHINE EQUIPPED WITH ATTACHMENT..................... 6-5
METHOD FOR CHANGE-OVER AND CONNECT HYDRAULIC CIRCUIT FOR MACHINE READY
FOR INSTALLATION OF ATTACHMENT........................................................................................ 6-9
METHOD FOR REMOVING AND INSTALLING ATTACHMENT .......................................................6-11
METHOD FOR OPERATING ATTACHMENT................................................................................... 6-16
LONG-TERM STORAGE ................................................................................................................. 6-20
MAINTENANCE OF ADDITIONAL FILTER FOR BREAKER............................................................ 6-20
SPECIFICATIONS ........................................................................................................................... 6-24
ATTACHMENTS AND OPTIONS ............................................................................................................ 6-25
INSTALL ATTACHMENT .................................................................................................................. 6-25
TRACK SHOES SELECTION .......................................................................................................... 6-27
BUCKET TEETH SELECTION......................................................................................................... 6-28
HANDLE TRAPEZOIDAL BUCKET ................................................................................................. 6-29
HANDLE EXTENSION ARM ............................................................................................................ 6-30
RECOMMENDED ATTACHMENT OPERATIONS................................................................................... 6-31
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FOREWORD