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ATTACHMENTS ANDD OPTIONS
Precautions when using
q
Check that the stop valve is at the FREE position.
q
Check that the working mode is B mode.
For details of the path of the oil, see "HYDRAULIC CIRCUIT (6-12)".
q
When considering whether it is necessary to install an accumulator for the attachment circuit, contact the
attachment manufacturer and then decide.
q
For other precautions when handling the breaker, follow the instruction manual from the breaker manufacturer
and use the breaker correctly.
q
The deterioration of the hydraulic oil when using the breaker is much faster than for normal operations, so
reduce the maintenance interval for the hydraulic oil and element.
For details, see "MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER (4-19)".
Operation When Using General Attachment 1 (e.g. Crusher).
General attachment 1 can be operated using either the rolling switch on the right lever or right attachment control
pedal.
1. Proportional Control Rolling Switch
With the working mode set to ATT mode - rolling the switch up
produces movement of the attachment, rolling down produces
opposite movement of the attachment. Slight movement of the
roller will give slight movement of the attachment; full move-
ment of the roller will give faster movement of the attachment.
When operating the attachment using rolling switch, lock the pedal with the lock pin to avoid accidental
operation.
2. Attachment Control Pedal
With the working mode set to ATT mode, insert the lock pin in
front-and-rear FREE position (c). Press the front or rear of the
pedal to operate the attachment.
WARNING
MACHINE READY FOR ATTACHMENT
6
6-23
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