Komatsu PC1250-11, Оригинальное руководство пользователя

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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”.
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 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.
RADIATOR COOLANT LEVEL CAUTION LAMP
Radiator coolant level caution lamp warns about low level of ra-
diator coolant.
When the coolant level is continuously low
The caution lamp lights up in red, the alarm buzzer sounds,
and the action level “L02” is displayed.
Stop the operation, move the machine to a safe place, check
the coolant level in the radiator, and add the coolant.
For details, see “METHOD FOR CHECKING COOLANT LEV-
EL, ADDING COOLANT”.
When the coolant level is low
The caution lamp lights up in yellow, and the action level “L01” is displayed.
The radiator coolant is insufficient.
Check the coolant level in the reservoir tank of the radiator and add coolant.
For details, see “METHOD FOR CHECKING COOLANT LEVEL, ADDING COOLANT”.
If the coolant level drops again in a short time, the coolant may be leaking from the radiator.
Ask your Komatsu distributor for the inspection and maintenance.
EXPLANATION OF COMPONENTS OPERATION
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