SYSTEM OPERATIONS-39
While fueling, a spark caused by static electric-
ity could result in fi re or explosion; which could
cause personal injury or death.
Fuel Distribution Hoses
Each Engine has a Fuel Supply Hose that runs from
the pickup tube in the Fuel Tank to the Engine. Also,
each Engine has a Fuel Return Hose that runs from
the Engine to the Fuel Tank. The Generator has a
fuel supply hose that runs from the Fuel Tank to the
fuel selector valve. See the photo below which show
the Fuel Distribution Hoses at the Fuel Tank.
The fuel distribution supply and return hoses, fi ttings
and connections, should be inspected often for leaks
and signs of wear, dry rot, cracking, chafi ng, or swell-
ing. A good way to examine the fuel hoses is to run
your hand along the length of the hose, including the
fi ttings. Small leaks will be revealed as wet spots on
your hand. If any evidence of hose deterioration is
present, have a qualifi ed technician replace all of the
hoses with USCG TYPE A1 hoses immediately. If a
leak is found, turn OFF battery switches, disconnect
shore power, and disable any possible source of igni-
tion. DO NOT start your Engines, the Generator, or
any devices that could create a spark. Contact your
Silverton Dealer or Customer Service Department
immediately. If hoses need to be replaced, make
sure that only USCG TYPE A1 are used. TYPE A2
is not acceptable for fuel distribution.
The use of any hose other than USCG TYPE A1
or A2 could result in fuel leakage. Leaking fuel
is a fi re and explosion hazard; personal injury
or death could occur.
Fuel Supply Valves
Your 33C is equipped with an Anti-Siphon Valves,
located on each Fuel Supply Hose at its connection to
its respective Fuel Tank Pickup Tube. The purpose
of the Anti-Siphon Valve is to immediately stop the
fl ow of fuel from the Fuel Tank in the event of a break
in the Fuel Supply Hose. The Anti-Siphon Fuel
Supply Valves are automatic and do not require
manual operation.
Fuel Filtration
The fuel that is supplied to the Engines and Genera-
tor (if so equipped) may contain impurities found in
the Fuel Tanks or contained in the fuel from your
supplier. If these impurities are not removed prior to
entering the Engines/Generator, performance may
be seriously affected. Removal of the fuel impurities
is accomplished by external Fuel Filters, which are
located within the fuel supply line.
In your 33C, each Engine has its own separate Fuel
Filter, located on the forward inboard side of the
Engine.
If your 33C is equipped with a Generator, a remote
Fuel Filter with a fuel shut-off valve is located in the
main generator fuel supply line, separate from the
engine fuel supply lines. The photo below shows the
Generator Fuel Filter.
An Authorized
Silverton Service
Technician should
replace all Fuel Fil-
ters annually prior
to spring launch.
Sending
Unit
7!2.).' 7!2.).'
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