BEFORE STARTING ENGINES
CHECK ENGINE COMPARTMENT
FOR FUEL LEAKS.
W i t h m a r i n e
e n g i n e s s e l e c t
amounts of air are
required to perform
the combustion
process. The higher
the revolutions
per minute of the
engine the more air
is required to meet
the demand. A natural and powered ventilation system are
incorporated with gasoline powered engines.
Unlike gas engines diesel engines exhaust large amounts
of incoming air by mixing it through the combustion
process and forcing the air through the engine exhaust
system into the water. The same deck cowlings are used
to funnel incoming air for combustion. The remaining air
exits through the cowlings into the atmosphere.
This “breathing cycle” occurs naturally within the diesel
with more oxygen being required as the throttle speeds
are increased.
As part of periodic maintenance, ensure the cowlings are
free of debris including animal nests such as wasps and
birds. Check and replace the engine air fi lters as required.
See your nearest Regal dealer for fi lter parts.
Also, it is recommended that after a cruise you let the
engines and generator idle under a ‘no load’ condition for
several minutes. Perform a visual check for exhaust and
fl uid leaks in the bilge. Since there is a light gelcoat color in
the bilge bottom it will be easier to spot any fl uid leaks.
Ventilation
Duct
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