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Generac 005336-0 / 005337-0 — Reconfiguring the Fuel System (NG to LP)

Installation · Fuel system / demand regulator

For the Generac 005336-0 / 005337-0, from the Generac owner's manual.

Applies to: Generac In Line engine

Before you start

  • Serious injury or damage may occur if not configured properly. Please consult an Authorized Dealer with any questions.

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).
  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. Set the dip switch inside the control panel to the LP or NG position.

Specs & values

  • Operating fuel pressure 5 in. - 14 in. water column

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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