Komatsu D61EX-24 Operation & Maintenance Manual page 78

OPERATION EXPLANATION OF COMPONENTS
ENGINE OIL PRESSURE CAUTION LAMP
Engine oil pressure caution lamp warns about abnormality of
engine lubricating oil pressure.
When oil pressure is low
The caution lamp lights up in red and indicates action level
"L03".
The alarm buzzer sounds intermittently.
Stop the operation and move the machine to a safe place, then
ask your Komatsu distributor for inspection and maintenance.
ENGINE OVERRUN CAUTION LAMP
The engine overrun caution lamp warns about the overspeed of
engine.
When engine overspeeds
The caution lamp lights up in red, and action level "L02" is dis-
played.
The alarm buzzer sounds intermittently.
Since overspeed can damage the engine and hydraulic compo-
nents, stop the work immediately and operate the machine at
low travel speed until the engine 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 action level "L03" is dis-
played.
The alarm buzzer sounds intermittently.
Charging is not performed normally while the engine is running.
Stop the engine and check the alternator drive belt for damage,
and then ask your Komatsu distributor for inspection and main-
tenance.
WATER SEPARATOR CAUTION LAMP
The water separator caution lamp warns that water is accumu-
lated in the water separator.
When abnormal
The caution lamp lights up in red.
Water is accumulated in the water separator.
Stop the engine and drain water from the water separator.
For detail, see "METHOD FOR CHECKING WATER SEPARA-
TOR, DRAINING WATER AND SEDIMENT".
REMARK
The water separator forms one unit with the fuel prefilter.
The water separator is installed at the bottom of the fuel prefil-
ter as detachable condition.
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