Westerbeke 7.0KW BCG-60HERTZ Operator's Manual page 26

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ANTI-SIPHON DEVICE OR ELECTRICALLY
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OPERATED FUEL STOP UALVE
-..r-_ _ _ _
;;; L -;;;;- T;; LEY El
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FUEL LINE BELOW FUEL TANK TOP lEVEL
ANTI-SIPHON DEVICE OR ELECTRICALLY OPERATED FUEL STOP
VALUE AT FUEL TANE WITHDRAWAL FITTING
FUEL TAN[ TOP LEVEL
ANTI-SIPHON DEYICE OR ELECTRICALLY
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OPERATED FUEL STOP VALVE
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FUEL LINE ABOUE FUEL TANK
TOP
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FUEL LINE BELOW FUEL
TOP LEVEl
ANTI-SIPHON DEVICE OR ELECTRICALLY OPERATED FUEL
STOP VALVE AT POINT WHERE FUEL DISTRIBUTION LINE
60ES BELOW FUEL TANK TOP lEVEL
NOTE: The use of mechanical spring-type check valves instead of a solenoid shut-off valve
is not recommended since these may tax the fuel pump's ability to draw fuel through a check
valve. A check valve can trap debris under its seat which inhibits the valve's ability to close.
In addition,
if
a check valve's cracking pressure is too high, this can contribute to vapor lock.
Should a mechanical type, spring-loaded check valve be used, it should be an adjustable type,
such as a Weatherhead #43 x 6. This adjustable type valve should be adjusted to have a
cracking pressure that will prevent siphoning when the generator is not operating but not so
excessive as to prevent the fuel pump from drawing fuel through the valve.
The installer should install an approved fuel finer/water separator in the fuel supply between the fuel
tank and the generator's engine to help remove contaminants in the fuel before the fuel reaches the
engine-mounted fuel pump and carburetor. Such contaminants can cause the failure of these system
components and such failures are not warrantable. Owner/operators are advised it is their respon-
sibility to maintain finer/separators so that contaminants do not reach the engine's fuel system.
IWARNINGI
Fuel leakage in or around the generator compartment is a potential cause of fire and/or
explosion. Repair leaks promptJy and make sure the compartment is properly ventilated.
Westerbeke Generators
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