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LP Engine G430(3.0L) LP Fuel System
LP FUEL SYSTEM
General Information
Electric Fuelock Models
LP Fuel System Components
(1) Converter. (2) Fuelock. (3) Carburetor.
(5) Coolant inlet line. (6) Balance hose.
(7) LP fuel line to carburetor.
LP Fuel System Components
The basic components of this liquid petroleum (LP)
fuel system are: the fuel tank, the fuel filter and relief
valve, fuelock (2), converter (1) and carburetor (3).
Liquid fuel is sent to fuelock (2) by the pressure in the
fuel tank, which is approximately 1030 kPa (150 psi).
Fuelock (2) permits fuel flow to the converter when
electrically activated by the oil pressure switch. LP fuel
flows into converter (1), which changes the fuel to a
vapor. The fuel receives heat in the converter from the
engine coolant that flows in line (5) and out line (4).
Carburetor vacuum activates the converters operation
and the fuel flows to the carburetor through line (7).
From carburetor (3), the vapor fuel goes through the
inlet manifold to the combustion chamber of the
engine. In the combustion chamber, the spark made
by the spark plug will "ignite" (cause to burn) this
vapor. Balance hose (6) keeps the correct air and fuel
mixture in the carburetor when there is some
restriction in the air cleaner.
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