91
MONTEREY
BOATS
Ventilation System
10.3 Carbon Monoxide &
Proper Ventilation
DANGER
FAILURE TO PROPERLY VENTILATE THE BOAT WHILE THE
ENGINE IS RUNNING MAY PERMIT CARBON MONOXIDE TO
ACCUMULATE WITHIN THE CABIN AND OPEN AREAS OF YOUR
BOAT. CARBON MONOXIDE IS A COLORLESS AND ODORLESS
GAS THAT IS LETHAL WHEN INHALED. CARE MUST BE TAKEN
TO PROPERLY VENTILATE THE BOAT AND AVOID CARBON
MONOXIDE FROM ACCUMULATING IN THE CABIN OR COCKPIT
WHENEVER THE ENGINE IS RUNNING.
All cuddy cabin boats are equipped with a carbon
monoxide detector in the cabin. A by-product of
combustion, carbon monoxide (CO) is invisible,
tasteless, odorless, and is produced by all engines
and gas heating and cooking appliances. The most
common sources of CO on boats are gasoline en-
gines, auxiliary generators and propane or butane
stoves. These produce large amounts of CO and
should never be operated while sleeping. The haz-
ard also may be created by a boat nearby whose
exhaust fumes are entering your boat. Boats also
have a problem due to the “station wagon effect”
where engine exhaust fumes are captured in the
vacuum or low pressure area, usually the cockpit,
bridge deck and cabin, that can be created by the
forward speed of the boat.
Boats underway should close all aft facing hatches
and doors. The forward facing deck hatch should
be open whenever possible to help pressurize the
living spaces of the boat. No sleeping in the cabin
should be permitted while underway. Proper ven-
tilation should be maintained on the bridge deck
by opening windshield or forward clear connector
vents, as far as possible to help pressurize the
cockpit area. The canvas drop or aft curtain must
be removed and the side curtains should be opened
or removed to increase air flow and maintain proper
ventilation whenever the engine is running.
Un-
der no circumstances should the engine be
operating with side curtains closed and the
aft or drop curtain installed.
Extreme caution must be taken while at anchor or
in a slip when an auxiliary power generator is op-
erating. Wind still nights can easily allow exhaust
fumes, containing high concentrations of CO, from
the generator on your boat or from an adjacent
boat’s generator to enter the boat. The exhaust
fumes may enter your boat through open hatches
or windows.
Back Drafting / Station Wagon
Effect - at cruising speed with
no forward ventilation
Back Drafting / Station Wagon
Effect - at cruising speed with
canvas closed
Slow Speed or Boat Stopped
w/ engines running - CO can
accumulate in cabin, cockpit &
bridge
Desired Air Flow Through the
Boat
Onboard Generator Exhaust -
exhaust accumulates because
of bulkhead.
Nearby Generator Exhaust -
wind carries exhaust to the
other boat
224FSC/264FSC Carbon Monoxide Detector
Summary of Contents for 186MS
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Page 159: ...159 MONTEREY BOATS Appendix A Hours Date Dealer Service Repairs Maintenance Log ...
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