Komatsu PC450-8 Operation & Maintenance Manual page 22

CONTENTS
HYDRAULIC QUICK COUPLER PIPING............................................................................................................. 6-4
LOCATIONS ...................................................................................................................................... 6-4
OPERATION...................................................................................................................................... 6-5
BUCKET WITH HOOK ......................................................................................................................................... 6-7
HOOK CONDITION .................................................................................................................................... 6-7
PROHIBITED OPERATIONS ..................................................................................................................... 6-7
MACHINE READY FOR ATTACHMENT ............................................................................................................. 6-8
LOCATIONS ............................................................................................................................................... 6-8
HYDRAULIC CIRCUIT.............................................................................................................................. 6-12
Switching Hydraulic Circuit .............................................................................................................. 6-12
Adjusting Oil Flow ............................................................................................................................ 6-12
Switching Between Breaker and General Attachment ..................................................................... 6-12
Hydraulic Circuit Connection ........................................................................................................... 6-13
Oil Flow Path ................................................................................................................................... 6-14
Replace Additional Breaker Filter Element ...................................................................................... 6-15
ATTACHMENT REMOVAL AND INSTALLATION.................................................................................... 6-17
Attachment Removal ....................................................................................................................... 6-17
Attachment Installation .................................................................................................................... 6-19
ATTACHMENT OPERATIONS ................................................................................................................. 6-21
Operation When Using Breaker ....................................................................................................... 6-21
Operation When Using General Attachment 1 (e.g. Crusher). ........................................................ 6-23
Working Mode Selection .................................................................................................................. 6-24
Operation When Using Attachment 2 (e.g clamshell rotation, crusher rotation) .............................. 6-25
LONG TERM STORAGE .......................................................................................................................... 6-25
SPECIFICATIONS .................................................................................................................................... 6-25
ATTACHMENT GUIDE ....................................................................................................................................... 6-26
ATTACHMENT COMBINATIONS............................................................................................................. 6-26
SELECTION OF TRACK SHOES ............................................................................................................. 6-28
METHOD OF SELECTING SHOES ................................................................................................ 6-28
RECOMMENDED ATTACHMENT OPERATIONS............................................................................................. 6-29
HYDRAULIC BREAKER ........................................................................................................................... 6-29
HANDLING MACHINES EQUIPPED WITH KOMTRAX .................................................................................... 6-33
BASIC PRECAUTIONS ............................................................................................................................ 6-33
SUPER LONG FRONT BOOM AND ARM ......................................................................................................... 6-34
OPERATION INSTRUCTION ................................................................................................................... 6-34
WORKING MODES .................................................................................................................................. 6-35
CHECKS BEFORE STARTING ....................................................................................................... 6-36
USING SUPER LONG FRONT ....................................................................................................... 6-36
METHOD OF WORK ....................................................................................................................... 6-38
WHEN TRAVELLING ...................................................................................................................... 6-38
CONTROL LEVERS, PEDALS ........................................................................................................ 6-39
TRANSPORT & STORAGE OF SUPER LONG FRONT MACHINE ........................................................ 6-42
INSTALLATION OF SUPPORTING LINK ....................................................................................... 6-42
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