Komatsu PC290LC-11 Operation & Maintenance Manual page 452

HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT
METHOD FOR OPERATING MACHINE WHEN WORKING MODE IS NOT IN
BREAKER MODE
Change the working mode and enter the Breaker Mode.
1.
Press working mode selector switch (1).
The screen changes to the working mode selection
screen.
2.
Press working mode selector switch (1) or press switches
F3 or F4 to select Breaker Mode B.
3.
With Breaker Mode B highlighted in yellow, do one of the
followings to enter the selection.
1)
To keep working mode selector switch (1) pressed.
2)
To press switch F6.
3)
To leave as it is for 5 seconds.
If you enter the selection of the Breaker Mode, the confir-
mation message is displayed.
When a special attachment is installed, if the mode is switched to the Breaker Mode by mistake, it may
lead to serious danger, such as sudden drop of the work equipment.
4.
Press switch F6 to enter the Breaker Mode.
CHECK POINTS WHEN USING BREAKER
• Is the stop valve in FREE position?
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k k
WARNING
ATTACHMENTS AND OPTIONS