Komatsu D85EX-18 Operation & Maintenance Manual page 80

EXPLANATION OF COMPONENTS OPERATION
When you finish the operation, always have the inspection and maintenance performed.
Ask your Komatsu distributor for inspection and maintenance as needed.
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 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 off.
RADIATOR COOLANT LEVEL CAUTION LAMP
Radiator coolant level caution lamp warns about drop of radia-
tor coolant level.
When the coolant level dropped
The caution lamp lights up in yellow and indicates action level
"L01".
The radiator coolant is insufficient.
Check the coolant level in the reservoir tank of the radiator and
add coolant.
For detail, see "METHOD FOR CHECKING COOLANT LEVEL,
ADDING COOLANT (3-134)".
If the coolant level drops again in a short time, the coolant may be leaking from the radiator.
For the inspection and maintenance, ask your Komatsu distributor.
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 be performed normally while the engine is run-
ning.
Stop the engine and check the alternator belt for damage, then
ask your Komatsu distributor for inspection and maintenance.
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