Komatsu WA470-6 2006, Operation & Maintenance Manual

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3.2 Explanation of components Operation
3-24
WA470-6H – VEAM946100
4. Maintenance caution lamp
CAUTION
If the caution lamp lights up, repair the problem as soon as pos-
sible. If this is left as it is, it will lead to failure.
When the time for filter and oil change is reached, this lamp (4)
flashes or lights up for approx. 30 seconds after completion of
the system check when the starting switch is at the ON position.
REMARK
The maintenance caution lamp flashes when there is less than
30 hours to the replacement time, and after the replacement
time has passed, it stay on.
For details of the items covered by filter and oil replacement, see
"Filter, oil replacement time display (3-14)".
After replacing the filter or changing the oil, reset time for the
replacement. For details, see "Reset method for filter, oil
replacement time (3-36)".
5. Air cleaner clogging caution lamp
(Machines eqipped with KOMTRAX)
This lamp (5) lights up if the air cleaner element becomes
clogged when the engine is running.
During checks before starting (when the starting switch is turned
to the ON position but the engine is not started), this monitor
does not light up.
During operation (engine running)
The lamp lights up if the air cleaner element becomes clogged.
At the same time, the top line of the character display displays
“E01“ and the bottom line displays “AIR FILTER“, so stop the
engine and clean or replace the element.
REMARK
It is possible to check the condition of clogging of the air cleaner
with the dust indicator installed at the side of the air cleaner.
GK032104
GK043108