Komatsu Utility F50003, Operation & Maintenance Manual

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INSTRUMENTS AND CONTROLS
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4 - HYDRAULIC OIL FILTER CLOGGING WARNING LIGHT
It comes on when the hydraulic oil filter is clogged and must be
replaced (see "4.8.10.c CHANGING THE HYDRAULIC SYS-
TEM OIL FILTER").
5 - GENERATOR WARNING LIGHT
This warning light comes on, together with the acoustic alarm,
when the starting circuit is energized and goes out when the
engine exceeds the idling rpm; if this warning light remains on
even when the engine is running at the normal operating
speed, this means that the alternator is not working and the
battery is not charged correctly.
IMPORTANT
q
If the warning light remains off when the ignition key is
turned to position «I», this means that the alternator is
faulty or broken.
6 - GLOW PLUG PREHEATING WARNING LIGHT
It comes on when the ignition key is turned to position « »
for the cold start of the engine (see "3.6.2.2 STARTING WITH
COLD ENGINE OR IN COLD CLIMATES").
7 - ENGINE COOLANT TEMPERATURE WARNING LIGHT
This warning light comes on, together with the acoustic alarm,
when the engine coolant exceeds the maximum temperature
allowed; in this case, let the engine idle (approx. 1200 rpm)
until it stops.
If this inconvenience occurs again, make sure that the radiator
is clean.
RWA22340
RWA07150
RWA07160
RKA13940