Komatsu PC290LC-6K Operation & Maintenance Manual page 88

12. OPERATION
CHECK AIR CLEANER FOR CLOGGING
1. Confirm that the air cleaner clogging monitor does not flash
2. If it flashes, immediately clean or replace the element.
For details of the method of cleaning the element, see 24.2.1
"CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT".
CHECK ELECTRIC WIRING
If the fuse blows frequently, or there are traces of short-
circuiting in the electric wiring, always locate and repair the
cause.
Check for damage of the fuse and any sign of disconnection or short
circuit in the electric wiring. Check also for loose terminals and tighten
any loose parts. Check the following points carefully.
• Battery
• Starting motor
• Alternator
Please contact your Komatsu distributor for investigation and correc-
tion of the cause.
CHECK FOR WATER AND SEDIMENT IN WATER SEPARATOR.
Drain water & sediment
A fuel sedimentor is mounted in pump compartment. Entrapped sedi-
ment & water can be seen trough the glass bowl.
1. Loose drain plug
in bowl.
2. Tighten drain plug.
Fuel
Water/Sediment
2-44
WARNING
and drain water and sediment until none visible
BP00100