VENTILATION & DRAINAGE SYSTEMS
H - 1 ENGINE COMPARTMENT VENTILATION
C. Engine Ventilation System Maintenance
All Four Winns stern drive models are equipped with Periodic inspection and cleaning of the ventilation ducts
enginecompartmentventilation. Thissystemisdesigned isnecessarytoensureadequateaircirculation. Abuildup
to meet or exceed the requirements (in effect at the time of leaves, twigs, or other debris can severely reduce ven-
of manufacture) of the U.S. Coast Guard, the National tilation. Be sure bilge water does not accumulate to a
Marine Manufacturers Association, and the American level that would obstruct the ventilation ducts.
Boat and Yacht Council.
Blower operation can be tested by placing a hand over
A. Gravity Ventilation System
the vents. DO NOT rely on the sound of the blower. Be
sure a substantial amount of air is being exhausted by
Thissystemincludesairintakeandexhaustcomponents. the bilge blower. Check the bilge blower system often,
The exhaust ducting reaches to the lower bilge area. preferably before each cruise.
This provides adequate air movement while underway
and during bilge blower operation.
Should blower noise and vibration be excessive, loos-
ening the bilge blower mounting screws and then tight-
ening evenly usually reduces noise considerably.
B. Forced Air Ventilation
All Four Winns models except outboards are equipped
with an electric bilge blower. The bilge blower provides H - 2 CABIN VENTILATION
the ventilation required prior to starting the engines and
whileatidle. SeeSectionEElectricalSystemsforblower Deck hatches on Four Winns Sundowner models are
operation instructions.
designed to open and provide adequate ventilation in
the cabin berth area.
Gasoline vapors can explode resulting in in-
jury or death. Before starting the engine, check
the engine compartment bilge for gasoline or
vapors, and operate blower for four (4) minutes,
and verify blower operation. Run blower when
vessel is operating below cruising speed. AL-
WAYS operate the bilge blower while the en-
gines are at idle.
Failure to properly ventilate the boat while the
engine is operating may permit carbon monox-
ide to accumulate inside of the cabin. Refer to
Section B-2 Engine Exhaust and Section H-4
Carbon Monoxide for additional information.
Screens for the forward deck hatches are available for
all Four Winns boats. The screens are removable and
must be stored properly when not in use.
Fumes can come from batteries while charg-
ing. Aconcentration of hydrogen fumes can be
explosive under the right conditions.
NOTICE
Be sure deck hatches are secured while under-
way. Damage to the hatch may result. Store
screens in a safe place to prevent damage.
NOTICE
A Gas Vapor Detector is a monitor which will
alert the operator of an accumulation of gaso-
line fumes in the engine compartment. It is op-
tional only on larger models but can be installed
by your Four Winns dealer. DO NOTrely solely
on detectors or similar equipment. ALWAYS
conduct a physical inspection of the engine
compartment.
Deck hatches are made of plexiglass and can be
cleaned with automotive glass cleaners or dishwashing
soap and water. Ensure that a clean cloth is used to
prevent scratching the plexiglass.
Owner’s Manual
05/00
Section H
Page 1
| Categories | Four Winns Horizon Manuals, Four Winns Manuals, Four Winns Sundowner Manuals, Outboard Marine Corporation Manuals |
|---|---|
| Tags | Four Winns Horizon 200, Four Winns Horizon 220, Four Winns Horizon 240, Four Winns Sundowner 205, Four Winns Sundowner 225, Four Winns Sundowner 245 |
| Model Year | 2000 |
| 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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