Komatsu PC290LC-6K Operation & Maintenance Manual page 51

3. HYDRAULIC OIL LEVEL
This warns that the hydraulic oil level is to low.
If the monitor lamp flashes, check the hydraulic oil level, and add oil.
4. REPLACEMENT OF ENGINE OIL (for only set machines)
If the set time (125, 250, 500H) passes after the engine oil is re-
placed, this lamp lights up. At this time, replace the engine oil.
11.1.2 B: CAUTION ITEMS
If the caution monitor lamp flashes, repair the problem as soon
as possible.
1. CHARGE LEVEL
This monitor indicates an abnormality in the charging system while
the engine is running. If the monitor lamp flashes, check the V-belt ten-
sion. If any abnormality is found, see "16.6 OTHER TROUBLE".
REMARK
While the starting switch is ON, the lamp will remain lit and will go off
once the engine is started.
2. FUEL LEVEL
If the fuel drops below 25 litres (6.6 US gal, 5.5 UK gal), the lamp will
flash. Top up the fuel before this.
3. AIR CLEANER CLOGGING
This warns that the air cleaner is clogged.
If the monitor lamp flashes, stop the engine then inspect and clean
the air cleaner.
4. OVERLOAD CAUTION (When lifting)
This warns that the machine is close to tipping due to the load ( an
audible warning is also given), if the warning is given lower the load. Refer
to the lifting capacity chart for safe load.
CAUTION
11. EXPLANATION OF COMPONENTS
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