Komatsu PC220LC -8 Operation & Maintenance Manual page 376

ATTACHMENTS AND OPTIONS
When Using General Attachment Such as Crusher
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.
If the working mode pilot monitor does not display ATT for the
attachment mode, press working mode selector switch (1) and set
to the attachment mode as follows.
If P, E, or L mode are selected, the attachment is not actuated.
1. Press working mode selector switch (1) or press switches F3
or F4 to select attachment mode ATT.
2. With attachment mode ATT highlighted in yellow, do one of the
following to accept the selection.
Keep working mode selector switch (1) pressed.
Press switch F6.
Leave as it is for 5 seconds.
On the user menu attachment setting, it is possible to make the attachment mode inactive.
When using the attachment mode, check that the attachment mode is active before starting operations.
Precautions when using
Check that the stop valve is at the FREE position.
Check that the working mode is ATT mode.
For details of the path of the oil, see "HYDRAULIC CIRCUIT (PAGE 6-8)".
For other precautions when handling the attachment, follow the instruction manual from the attachment
manufacturer and use the attachment correctly.
MACHINE READY FOR ATTACHMENT
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