2003-2005 Four Winns Horizon 170 180 190 200 210 230 250 280 Freedom 170 180 Owners Manual

After fueling, replace  the fill cap,  and wash the areas      E.   Fuel Senders
around the fuel fill plate.  Residual fuel left on the deck
andhullsidescanbedangerous,andwillyellowthefiber-           The fuel sender consists of a float which travels up and
glass.  It will also damage the tape stripes and logos.
down a stationary tube. The float measures the level of
the fuel in the tank and sends a signal to the fuel gauge.
See Figure I3.
C.   Anti-Syphon Valves
The fuel withdrawal line is equipped with an anti-syphon
valve where the line attaches to the fuel tank. This valve
prevents gasoline from  syphoning out of the  fuel tank
should a line rupture. See Figure I2 for anti-syphon lo-
cation.
Figure I3:  Fuel Sender Operation
Due to the mechanical nature of the fuel sender, varia-
tions in readings during various speeds of operation may
occur.  This system is merely a relative indication of the
available fuel  supply and not  a calibrated instrument.
With this type  of sending unit  a more accurate  mea-
surement of  fuel level  is obtained with  the boat  in a
level position.
The gauge readings will also vary with the trim angle of
the boat.  When sitting at a dock and the boat is nearly
level, the fuel  gauge will register accurately.   Refer to
Figure I3.   When  boating, the  trim angle  of the boat
changes and affects the gauge readings.  Under these
conditions, the fuel sender will register “full” for the first
few hours of running time until the fuel level drops below
the 3/4 or 1/2 mark. This is caused by the angle of the
fuel in the tank as shown in Figure I4.
Figure I2:  Fuel Tank Fittings
The fuel withdrawals are positioned in the fuel
tanks to achieve optimum fuel usage, and fuel
line routing.   At  certain speeds  and hull trim
angles, the fuel  supply at the withdrawal tank
location can increase or decrease accordingly.
Be extremely careful when attempting to oper-
ate the  boat  on a  minimum amount  of fuel.
Though some fuel may be in the tank, the rela-
tive trim angle of the boat may cause the fuel to
flow away from the withdrawal.
Figure I4:  Effects of Trim Angle
NOTICE
It is very important to keep track of hours and fuel con-
sumption to obtain an average gallon per hour consump-
tion figure.  Refer to the fuel log located at the back of
this manual.  This  will prevent any problems with run-
ning out of fuel on the water.
Access plates or lids  are provided in the floor
for easier access to the fuel pick-up, anti-syphon
valve and sender.
D.   Fuel Gauge
The fuel gauge indicates the amount of fuel in the tank.
See Section E-7F - Fuel Gauge for additional informa-
tion on fuel gauge use.
Freedom™/Horizon™ Owner’s Manual
Section I
Page 2
Product Specification
CategoriesFour Winns Freedom Manuals, Four Winns Horizon Manuals, Four Winns Manuals, Outboard Marine Corporation Manuals
Tags, , , , , , , , ,
Model Year2003, 2004, 2005
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- 243 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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2003-2005 Four Winns Horizon 170 180 190 200 210 230 250 280 Freedom 170 180 Owners Manual SKU UPC Model
sean on May 29, 2013.



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