K. Cabin Appliances
1.
2.
Fuel Systems - Fuel that is contaminated, stale or
incorrect octane number.
Boats having fuel burning appliances in accommodation
areas should be provided with adequate ventilation and
maintained to function properly.
Carburetors/Injectors
a.
b.
Dirty or clogged flame arrester.
L. Ventilation of Accommodation Spaces
Malfunctioning automatic choke plate or faulty
adjustment of manual choke plate.
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.
c.
d.
e.
f.
Worn float needle valve and seat.
High float level.
Incorrect idle mixture adjustment.
Dirty or worn injectors.
M. Running of Engine in Idle
Engines running in idle exhaust carbon monoxide that
can accumulate near the hull of the boat. Do not stand
or swim near the engine exhaust output or outdrive when
engine is idling.
3. Ignition System
a.
b.
c.
Fouled or worn spark plugs.
Worn points or incorrect gap on points.
N. Altitude and Sea Conditions
Shortedoropenedcircuithightensionsparkplug
cables.
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.
d.
Incorrect ignition timing.
4.
General
1.
Failure to make adjustments to ignition systems, fuel
systems, and propeller size may cause an increase
in CO production.
a.
b.
Worn piston rings and valves.
Engine temperature - Cold running engines in-
crease CO production. Engine cooling water
system design and selection of thermostat(s)
are primary considerations affectingengineop-
erating temperature. Generally, an engine pro-
duces less CO if it operates at a relatively high
temperature within manufacturer’s specifica-
tions.
2.
Heavy sea conditions tend to load engines resulting
in reduced performance and thereby increasing their
CO production.
O. Portable Generator Sets
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.
c.
d.
Exhaust Back-Pressure - Certain alterations to
the exhaust system may increase engine ex-
haust back pressure and CO production.
Restricted engine room or compartment venti-
lation.
P. Maintenance - Engine Performance
Q. Maintenance - External Conditions
Efficient engine performance is vital to minimizing CO External conditions that contribute to inefficient engine
production. The following items are those considered to performance are:
have the greatest effect on increased CO production:
180/190/200
Owner’s Manual
08/01
Horizon
Section B
Page 8
| Categories | Four Winns Manuals, Outboard Marine Corporation Manuals |
|---|---|
| Model Year | 2001, 2002, 2003 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | Boats and Cruisers, Four Winns. For support contact your dealer at http://www.fourwinns.com/locate-dealer.aspx |
| Document File Type | |
| Publisher | fourwinns.com |
| Wikipedia's Page | Outboard Marine Corporation |
| Copyright | Attribution Non-commercial |
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