Operation - Komatsu PC210LC-6K Operation & Maintenance Manual

28.4 OPERATION

• If the pedal is operated inside the deceleration range, the en-
gine speed will rise suddenly. Be careful.
• If the operator rests his foot on the attachment pedal while
operating the machine, if he carelessly depresses the pedal,
the attachment may move suddenly and result in serious trou-
ble. Never place your foot on the pedal except when actually
performing pedal operation.
The operation of the attachment is as follows.
WHEN USING BREAKER
When the front portion of the pedal is depressed the breaker is actu-
ated.
Select the working mode for breaker (B.O).
Precautions when using
• Check that the stop valve is at the FLOW position.
• Check that the selector valve is at the position for using the breaker.
For details of the oil path, see 28.2 "HYDRAULIC CIRCUIT''.
• For other precautions when using the breaker, see the instruction
manual provided by the breaker manufacturer.
• When the breaker is used, the hydraulic oil degrades faster than in
normal operation. Shorten the maintenance interval of the hydraulic
oil and filter element.
See 23.2 "MAINTENANCE INTERVAL WHEN USING HYDRAULIC
BREAKER''.
WARNING
28. MACHINES READY FOR ATTACHMENTS
5-11