6-3
TWO-STAGE, DEMAND-TYPE
PRESSURE REGULATOR
THE LPG IS VAPORIZED BY
EXHAUST MANIFOLD HEAT.
AN APPROVED
HYDROSTATIC RELIEF
VALVE OF APPROPRIATE
RATING TO PROTECT THE
GAS LINE. WHEN VALVES
ON BOTH ENDS ARE
CLOSED
THE FUEL FILTER HAS A
STRAINER ELEMENT
ACCESSIBLE FOR
CLEANING AND A MAGNET
FOR TRAPPING IRON
PARTICLES.
THE FUEL SOLENOID
SHUTOFF VALVE ALLOWS
BACKFLOW TO RELIEVE
PRESSURE WHILE THE
VAPORIZER COOLS
FOLLOWING SHUTDOWN.
VENTURI-TYPE CARBURETOR
WITH MAIN AND IDLE
MIXTURE ADJUSTMENTS
FUEL SUPPLY
CONNECTION
AT THE
GENSET
(1/4 INCH NPTF)
USE AN APPROVED,
NON-CONDUCTING FLEXIBLE
FUEL HOSE MARKED 350 PSI
WORKING PRESSURE AND
LP-GAS OR PROPANE TO
CONNECT THE GENSET TO THE
GAS SUPPLY LINE.
APPROVED GAS
LINES AND FITTINGS
SUITABLE FOR A
WORKING
PRESSURE OF AT
LEAST 250 PSI (1.7
MPa)
AN APPROVED PRESSURE RELIEF VALVE
OF APPROPRIATE RATING
COMMUNICATING WITH THE VAPOR SPACE
INSIDE THE TANK
AN APPROVED DOT OR
ASME LPG SUPPLY TANK
DIP
TUBE
APPROVED MANUAL SHUTOFF AND
EXCESS FLOW VALVES RATED FOR A
WORKING PRESSURE OF AT LEAST 250 PSI
(1.7MPa)
FIGURE 6-2. FLOW DIAGRAM OF LPG FUEL SYSTEM
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