Komatsu HB365LC-3, Operation & Maintenance Manual

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SELECTOR VALVE
The selector valve switches the flow of the hydraulic oil.
It is automatically switched according to the selected working
mode. It is necessary to switch the working mode to match the
attachment that is installed. When changing the working mode,
see “METHOD FOR CHANGE-OVER AND CONNECT HY-
DRAULIC CIRCUIT FOR MACHINE READY FOR INSTALLA-
TION OF ATTACHMENT (6-13)”.
NOTICE
If a service circuit from the attachment manufacturer is
added, the return circuit may not switch automatically.
CONTROL PEDAL
k k
WARNING
If you perform operations with your foot on the pedal, the attachment may suddenly move if you de-
press the pedal by mistake, and this may lead to serious personal injury or death. Lock the pedal with
the lock pin when pedal operation is not necessary.
Control pedal is used to control the attachment.
When the front, center (neutral), and rear of the pedal are depressed, the movement of the attachment is as
follows.
Hydraulic breaker
Front of pedal (A)
Actuated
Center of pedal (N)
Stop
Rear of pedal (B)
Stop
REMARK
Regarding other attachments, discuss with the attachment
manufacturer how the pedal and attachment operate at the
time of installation before using it.
Before start using the attachment, make sure that the attach-
ment operates normally.
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.
HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT ATTACHMENTS AND OPTIONS
6-10