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 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.
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 the water separator.
For detail, see “METHOD FOR CHECKING WATER SEPARA-
TOR, DRAINING WATER AND SEDIMENT (3-145)”.
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.
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”.
AIR CONDITIONER SYSTEM CAUTION LAMP
Air conditioner system caution lamp warns about abnormality in
air conditioner system.
When abnormal
The caution lamp lights up in yellow and indicates action level
“L01”.
The air conditioner system has abnormality.
Ask your Komatsu distributor for inspection and maintenance
as soon as possible.
EXPLANATION OF COMPONENTS OPERATION
3-30
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