Ford — Dual Fuel System - Changing From Gasoline To LP-Gas
Operation
From a Ford service manual — check it applies to your exact model before use.
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Before you start
- Be sure all gasoline is exhausted before switching to LP gas.
- Extreme care must be taken and the following instructions must be followed.
Procedure
- Start the engine from the ground control station.
- Open the hand valve on the LP gas supply tank by turning counterclockwise.
- Place the three position LP/Gasoline switch at the ground control station to the center off position; run engine without load until it begins to stumble from lack of gasoline.
- As the engine stumbles, place the switch to the LPG position, allowing LP fuel to be sent to the fuel regulator.
Source: Ford service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.