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Generac 005221-0 — Reconfiguring the Fuel System (NG to LP)

Adjustments

For the Generac 005221-0, from the Generac owner's manual.

Applies to: Generac V-type engine

Procedure

  1. Turn the main gas supply off.
  2. Remove the carburetor fuel hose from the outlet port (Port 1) of the demand regulator.
  3. Remove the brass hose fitting from the outlet port (Port 1) of the demand regulator.
  4. Remove pipe plug from Port 2.
  5. Install brass hose fitting into Port 2.
  6. Install pipe plug into Port 1.
  7. Connect carburetor gas hose to brass fitting.
  8. Tighten all clamps and plugs.
  9. Make sure fuel supply is of the proper pressure and type for configuration.
  10. Reverse the procedure to convert back to natural gas.
  11. The Dip switch inside the control panel must be in the LP or NG position when switching to different fuels.

Specs & values

  • Port 1 is for NG only and Port 2 is for LP vapor only
  • For LP vapor application substitute LPG fuel inlet decal P/N 050280 Amazon eBay for NG fuel inlet decal P/N 050279 Amazon eBay

Source: Generac owner's 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.

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