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29
DANGER
FUEL SYSTEM
3.1 General
The gasoline fuel system used in Scout boats is
designed to meet or exceed the requirements of
the U.S. Coast Guard, the Boating Industry Asso-
ciation, and The American Boat and Yacht Council
in effect at the time of manufacture.
All gasoline fuel systems have been factory in-
spected and pressure tested in accordance with
regulations in effect at the time of manufacture.
This inspection assures that the system is air tight,
leak proof and safe. It is the responsibility of the
purchaser to maintain it in that condition. Make
frequent inspections to assure that no deteriora-
tion or loosening of connections is resulting from
vibration.
DO NOT LET THE ODOR OF GASOLINE GO UNCHECKED. ANY
ODOR OF GASOLINE MUST BE IMMEDIATELY INVESTIGATED
AND STEPS TAKEN TO PROTECT THE BOAT AND ITS
OCCUPANTS UNTIL THE PROBLEM IS CORRECTED. IF THE
ODOR OF GASOLINE IS NOTED, SHUT OFF ALL ENGINES
AND ELECTRICAL EQUIPMENT. INVESTIGATE AND CORRECT
THE SITUATION IMMEDIATELY. HAVE ALL PASSENGERS
PUT ON PERSONAL FLOTATION DEVICES AND KEEP A FIRE
EXTINGUISHER READY UNTIL THE SITUATION IS RESOLVED.
Fuel Withdrawal Tubes
The fuel withdrawal tubes are positioned in the
fuel tanks to achieve optimum fuel usage, fuel
line routing, etc. 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 operate
the boat when low on fuel. Though some fuel
may be in the tank, the relative trim angle of the
boat may cause the fuel to flow away from the
withdrawals.
The reserve fuel withdrawal tubes are longer than
the main tubes. This provides approximately 50
gallons of reserved fuel.
Fuel Gauges
Indicate the amount of fuel in the tanks. Due to
the mechanical nature of the fuel senders, varia-
tions in readings during various speeds of opera-
tion may occur. This system is merely a relative
indication of the available fuel supply and not a
calibrated instrument.
Fuel Fill
Fuel fill deck plate is located on the port gunnel
and is marked “GAS.” The fuel fill is opened by
turning it counter clockwise with a special key.
Be sure to use the proper type and grade fuel.
Refer to the engine owner’s manual for additional
information on the fuel requirements for your en-
gines. Boats equipped with the optional generator
will have another fuel fill on the starboard gunnel
marked “Diesel.”
NOTICE:
Do not overtighten the fuel caps. If the cap
is overtightened, the O-ring seal could be
damaged allowing water to contaminate the
fuel system.
Fuel Tank Vents
There is a vent fitting for each gasoline fuel tank
on the port side of the hull. While the tank is
being filled, the air displaced by the fuel escapes
through the vent. When the tank is full, fuel will
be ejected from the fuel vent. Boats equipped
with the generator will have another fuel vent
Fuel Fill
Chapter 3: