Komatsu PC308USLC-3E0 Operation & Maintenance Manual page 302

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 a breaker, select B mode on the monitor and set the
lock pin to position (b).
When using a Crasher, select P or E mode on the monitor and
set the lock pin to position (c).
NOTICE
When using a breaker, if the lock pin is set to position (c) and the rear portion (B) of the pedal is depressed, it will cause defective
operation or breakage of the breaker, so always set the lock pin to position (b) when using the breaker.
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