Komatsu ecot3 Operation And Maintenance Manual page 363

MACHINE READY FOR ATTACHMENT
Lock Pin
This pin (4) locks the control pedal.
Position (a): Locked
Position (b): Only front of pedal can be operated to full position
(rear is locked)
Position (c): Both front and rear of pedal can be operated to
full position
When not using the attachment, set the lock pin to position (a).
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.
NOTICE
When using the breaker, if the lock pin is set to position (c) and the pedal is operated in direction (D), it will cause damage or
defective operation of the breaker. To prevent this, when using the breaker, always set the lock pin to position (b).
Before changing the position of the lock pin, stop the engine.
Breaker Circuit Additional Oil Filter
This filter (5) prevents deterioration of the hydraulic oil when using
a breaker.
Oil only flows when B mode is selected on the monitor.
NOTICE
Always install an additional filter in the return circuit on machines
equipped with a hydraulic breaker.
6 - 6
ATTACHMENTS AND OPTIONS