2000-2004 Four Winns Vista 248 268 Owners Manual

M.  Ventilation of Accommodation Spaces
Accommodation spaces need to be ventilated to intro-
duce fresh air into the spaces. Ventilation method; e.g.
windows, hatches, doors, and blowers; used to accom-
plish this may,  under certain conditions, bring hazard-
ous levels of CO into the accommodation spaces. Care
should be taken to be aware of all prevailing conditions
when using these ventilating methods.
Exhaust Fumes!
Hull exhaust from your boat can cause exces-
sive accumulation of poisonous carbon  mon-
oxide gas within cockpit areas when using pro-
tective weather coverings (while underway or
while stationary). Provide adequate ventilation
when the canvas top, side curtains and/or back
(aft) curtains are in their closed protective po-
sitions.  (See Preface for actual warning label
regarding  carbon monoxide  and weathering
cover/canvas.)
N.   Altitude and Sea Conditions
Changes in altitude greater than 5,000 feet contribute to
inefficient engine performance and may require adjust-
ments to the ignition systems, fuel systems, or changing
the propeller’s size.
4.
Opening and closing ports, hatches, doors, and win-
dows may raise or lower CO levels on board a boat.
See Figures B12 and B13.
1.
Failure to make adjustments to ignition systems, fuel
systems, and propeller size may cause an increase
in CO production.
2.
Heavy sea conditions tend to load engines resulting
in reduced performance and thereby increasing their
CO production.
O.   Portable Generator Sets
Figure B12:  Desired air flow through the boat.
Gasoline powered portable generators are available in
the marine market place and are not an option available
through Four Winns®. Portable generators will produce
CO.  These sets discharge their exhaust products in lo-
cations which can lead to an increase in the accumula-
tion of carbon monoxide in the accommodation space.
This equipment  is not recommended for  use on Four
Winns® boats.
P.
Maintenance - Engine Performance
Figure B13:  The effect of canvas configurations.
Efficient engine performance is  vital to minimizing CO
production. The following items are those considered to
have the greatest effect on increased CO production:
K.   CabinAppliances
Boats having fuel burning appliances in accommodation
areas should be provided with adequate ventilation and
maintained to function properly.
1.
2.
Fuel Systems - Fuel that is contaminated, stale  or
incorrect octane number.
L.   Air Conditioning
Carburetors/Injectors
It may be possible for carbon  monoxide to be brought
into the air conditioned space by the air conditioner.  If
installed,    please    refer    to   the   air   conditioner
manufacturer’s literature for additional information.
a.
b.
Dirty or clogged flame arrester.
Malfunctioning automatic choke plate or faulty
adjustment of manual choke plate.
c.
Worn float needle valve and seat.
Vista 248/268 Owner’s Manual
Section B
Page 8
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Product Specification
CategoriesFour Winns Manuals, Four Winns Vista Manuals, Outboard Marine Corporation Manuals
Tags,
Model Year2000, 2001, 2002, 2003, 2004
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- 167 pages
Document TypeOwner's Manual
LanguageEnglish
Product BrandBoats and Cruisers, Four Winns. For support contact your dealer at http://www.fourwinns.com/locate-dealer.aspx
Document File TypePDF
Publisherfourwinns.com
Wikipedia's PageOutboard Marine Corporation
CopyrightAttribution Non-commercial
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