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ATTACHMENTS AND OPTIONS
HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT
LOCK PIN
NOTICE
Before changing the position of the lock pin, stop the engine.
If you depress the pedal to (D) side with lock pin at (c) position when using the breaker, it may cause
malfunction and breakage of breaker. Always put the lock pin at (b) position when using the breaker.
The lock pin locks the control pedal.
Position (a)
Lock
Position (b)
Only front of pedal can be operated fully (rear is locked)
Position (c)
Both front and rear of pedal can be operated fully
REMARK
Set the lock pin to (a) position except when using the attach-
ment.
When using the breaker, use the working mode selector switch
on the monitor switch portion to set the working mode to B
mode, and set the lock pin to position (b) when using the pedal.
When using the crusher, use the working mode selector switch
on the monitor switch portion to set the working mode to ATT
mode, and set the lock pin to position (c) when using the pedal.
ADDITIONAL FILTER FOR BREAKER
NOTICE
Always install an additional filter in the return circuit on machines equipped with a hydraulic breaker.
The additional filter for breaker prevents deterioration of the hy-
draulic oil when using a breaker.
REMARK
Oil flows only when B mode is selected on the monitor.
6-39
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