Komatsu D31EX-21, Operation & Maintenance Manual, Page: 76 / 256

EXPLANATION OF COMPONENTS
OPERATION
3-24
When the oil or filter has been replaced, select the applicable
item, then operate the buzzer cancel switch to .
The screen will ask if you want to display the replacement his-
tory.
Operate the information switch to select YES, then operate the
buzzer cancel switch to . The replacement quantity will
increase by 1, the replacement interval will be reset, and the
oil, filter change interval lamp will go out.
When this is done, if the maintenance caution lamp does not
go out, there is another item close to the replacement time, so
check that item.
REMARK
To return to the maintenance mode, operate the buzzer cancel
switch to
„ .