Komatsu PC45MR-30403, Operation And Maintenance Manual

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ENGINE SYSTEM CAUTION LAMP
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CAUTION
If the operation is continued while the red caution lamp is lit, accumulation and combustion of the soot
in KDPF are accelerated, and consequently the temperature of KDPF and exhaust gas can increase
high. Stop the engine immediately.
The engine system caution lamp warns about abnormality in
the engine system.
When action level “L04” is displayed
The caution lamp lights up in red and the alarm buzzer sounds
continuously.
Stop the machine immediately and ask your Komatsu distribu-
tor for inspection and maintenance.
When action level “L03” is displayed
The caution lamp lights up in red and 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.
When action level “L01” is displayed
The caution lamp lights up in yellow.
Some functions may be restricted for use, but the machine can operate.
When you finish the operation, always have the inspection and maintenance performed.
Ask your Komatsu distributor for the 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.
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 be performed normally while the engine is run-
ning.
Stop the engine, check the fan belt for damage, and then ask
your Komatsu distributor for inspection and maintenance.
OPERATION EXPLANATION OF COMPONENTS
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