R. Portable Generator Sets
4. General
a. Worn piston rings and valves
Never use a portable generator on a boat.
b. Engine temperature - Cold running engines in-
creaseCOproduction. Enginecoolingwatersys-
tem design and selection of thermostat(s) are
primary considerations affecting engine operat-
ingtemperature. Generally,anengineproduces
less CO if it operates at a relatively high tem-
perature within manufacturer’s specifications.
Gasolinepoweredportablegeneratorsareavailableinthe
marinemarketplaceandarenotanoptionavailablethrough
FourWinns. PortablegeneratorswillproduceCO. These
sets discharge their exhaust products in locations which
cancauseaccumulationofcarbonmonoxideintheaccom-
modation space. Do not use gasoline powered por-
table generators on Four Winns® boats.
c. Exhaust Back-Pressure - Certain alterations to
the exhaust system may increase engine ex-
haust back pressure and CO production.
S. Maintenance - Engine Performance
EfficientengineperformanceisvitaltominimizingCOpro-
duction. Thefollowingitemsarethoseconsideredtohave
the greatest effect on increased CO production:
d. Restricted engine room or compartment ventila-
tion
T.
Maintenance - External Conditions
1.
2.
Fuel Systems - Fuel that is contaminated, stale or
incorrect octane number
External conditions that contribute to inefficient engine
performancecan include:
Carburetors/Injectors
1.
2.
Fouled hull bottom
a. Dirty or clogged flame arrester
Damaged and fouled running gear (i.e., shaft, strut
propeller, rudder and trim tabs)
b. Malfunctioning automatic choke plate or faulty
adjustment of manual choke plate
3.
Incorrect selection of propeller size
c. Worn float needle valve and seat
d. Highfloatlevel
U. Maintenance - Exhaust System Integrity
Gas tight integrity of exhaust systems must be main-
tained to insure that leakage of CO within the boat does
not occur. Disassembly may be required to carry out a
thorough inspection. Repair or replace components as
indicated. Inspect the following:
e. Incorrect idle mixture adjustment
f.
Dirty or worn injectors
3.
Ignition System
1.
2.
3.
4.
5.
6.
7.
8.
Gaskets at cylinder head connection
Casting and pipe fittings in the dry section
All joints
a.
b.
Fouled or worn spark plug.
Worn points or incorrect gap on points
c. Shortedoropenedcircuithightensionsparkplug
cables
Hoses
d.
Incorrect ignition timing.
Clamps
Mufflers and their drain plugs
Thru-hull fittings
Hangers and other supports
Freedom™/Horizon™ Owner’s Manual
Section B
Page9
| Categories | Four Winns Freedom Manuals, Four Winns Horizon Manuals, Four Winns Manuals, Outboard Marine Corporation Manuals |
|---|---|
| Tags | Four Winns Freedom 170, Four Winns Freedom 180, Four Winns Horizon 170, Four Winns Horizon 180, Four Winns Horizon 190, Four Winns Horizon 200, Four Winns Horizon 210, Four Winns Horizon 230, Four Winns Horizon 250, Four Winns Horizon 280 |
| Model Year | 2003, 2004, 2005 |
| 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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