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OPERATION
EXPLANATION OF COMPONENTS
ENGINE OIL LEVEL CAUTION LAMP
Engine oil level caution lamp warns about drop of engine lubri-
cating oil level.
It displays only while the engine is stopped.
When oil level is low
The caution lamp lights up in yellow and indicates action level
"L01".
The oil level in the engine oil pan is insufficient.
Check the oil level in the oil pan and add oil.
For detail, see "METHOD FOR CHECKING OIL LEVEL IN EN-
GINE OIL PAN, ADDING OIL (3-134)".
If the oil level drops again in a short time, the engine oil may be leaking.
For the inspection and maintenance, ask your Komatsu distributor.
ENGINE OVERRUN CAUTION LAMP
The engine overrun caution lamp lights up when engine over-
run occurs.
Since overrun can damage the engine and hydraulic compo-
nents, stop the work immediately and operate at low travel
speed until the overrun caution lamp goes out.
CHARGE LEVEL CAUTION LAMP
Charge level caution lamp warns about abnormality in the
charging system while the engine is running.
When abnormal
The caution lamp lights up in red and indicates action level
"L03".
The alarm buzzer sounds intermittently.
Charging is not being performed normally while the engine is
running.
Stop the engine and check the alternator belt for damage, then
ask your Komatsu distributor for inspection and maintenance.
AIR CLEANER CLOGGING CAUTION LAMP
Air cleaner clogging caution lamp warns about clogging of the
air cleaner.
When clogged
The caution lamp lights up in yellow and indicates action level
"L01".
The air cleaner is clogged.
Stop the engine and check and clean the air cleaner.
For detail, see "METHOD FOR CHECKING, CLEANING AND
REPLACING AIR CLEANER".
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WENAM00111
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