Lifan Power USA. 2250 Industrial Park Rd. Van Buren, AR 72956
PH 866-471-7464 www.lifanpowerusa.com
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3. Fuel Conversion
Do not touch hot engine parts. The engine and exhaust system components become
extremely hot during operation.
Two fuel connections on the fuel block allow field conversion between natural gas (NG)
and Liquid Propane (LPG). The fuel metering valves are factory-set and sealed to
provide the best possible hot and cold starting.
Use the following procedure to convert fuel from type to another.
Natural Gas (NG) and Liquid Propane ( LPG)Conversion
● Use a pressure reducing valve to reduce LP pressure supply.
● Pushing the button as attached pictures below to the natural gas or LP vapor per the
fuel which you want to use.
LPG NG
A. Liquid propane (LP Vapor)
In engines set up to run on Liquid propane, please check the fuel supply pressure, lower
or higher pressure range will result in equipment failure. Inlet pressure 1.7kPa to 3.5kPa,
and gas line should be no longer than 16 feet or 5 meters, the inner diameter shall not be
less than (0.63”) or 16mm.
Pressure relief valve
Pressure meter
