Regal 3300 Owner's Manual page 238

CHAPTER 7
Blower
BLOWER HOSE
Make sure the blower motor is securely fastened and all hose clamps
and or tie wraps are tight. Also, check all electrical eyelet connectors
for tightness.
7-16
BLOWER
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If equipped, check the blower hoses
to ensure they are fastened in the
bilge properly and there are no
holes in them. The ventilation hose
connected to the blower needs to
be positioned about 3/4 of the way
down in the bilge to evacuate
fumes properly. All vents need to
be checked for debris.