4-6
Indmar Marine Engines
lems.
CHECK TRANSMISSION LIGHT
If the engine is equipped with the Walters V-Drive trans-
mission, there may also be a Check Transmission light. If
low oil pressure is sensed in the V-Drive, the light will go
on indicating the problem. Under normal operation, the
light will stay lit at idle and slow speed operation until
enough pressure is produced (1200 RPM ± 400 RPM).
Extended cruising or trolling at low RPM is not harmful,
even if the light is lit, provided that the V-Drive oil level is
sufficient. If the oil level is normal and the light stays lit
above 2000 RPM, take the boat to your Indmar dealer
for service.
ENGINE COOLING
Raw water cooled engines have two water pumps. One
circulates water throughout the engine. The other pump
uses water from the sea, lake or river to feed raw water
to the engine. This raw water pump is designed to use
the water it pumps to lubricate its impeller. Do not run the
engine unless the boat is in water. If you run the engine
with the boat out of the water, the water pump may be
damaged, causing your engine to overheat or start a fire.
Figure 4.6 – Raw Water Pump
Running engine without adequate cooling
can cause engine to overheat and may result
in fire, explosion, death and/or personal seri-
ous injury.
INDM-A019
OME0502-07 Body.qxd 6/14/06 10:38 AM Page 4-6
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