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ATTACHMENTS AND OPTIONS
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 SWITCHING HYDRAULIC CIRCUIT
(6-20)".
NOTICE
If a service circuit from the attachment manufacturer is
added, the return circuit may not switch automatically.
ATTACHMENT CONTROL PEDAL
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.
The attachment 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 (neutral) (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
The lock pin is used to lock the attachment control pedals.
Position (a)
Lock
Position (b)
Only front of pedal can be operated to full travel position (rear
is locked)
Position (c)
Both front and rear of pedal can be operated to full travel posi-
tion
•
Set the lock pin to (a) position except when using the attachment.
•
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.
HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT
WARNING
k
WENAM00111
6-17
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