Generac — Reconfiguring the Fuel System (10, 13 and 16 kW, V-Twin Engines)
Installation · Carburetor fuel selection lever
From a Generac service manual — check it applies to your exact model before use.
Applies to: Generac GH-410 engine, Generac GT-530 engine, Generac GT-530 engine, Generac GT-990 engine
Procedure
- Open the roof.
- For 10 kW units: loosen the clamp and slide back the air inlet hose.
- For 10 kW units: slide the fuel selector on the carburetor out towards the back of the enclosure.
- For 10 kW units: return the inlet hose and tighten the clamp securely.
- For 13 and 16 kW units: remove the air cleaner cover.
- For 13 and 16 kW units: slide the selector lever out towards the back of the enclosure.
- For 13 and 16 kW units: return the air cleaner cover and tighten the two thumb screws.
- Close the roof.
- Reverse the procedure to convert back to natural gas.
Specs & values
- Propane supply pressure to the fuel inlet must be 10 to 12 inches of water column (0.36 to 0.43 psi).
Source: Generac 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.