Generac — Reconfiguring the Fuel System (V-twin)
Adjustments
From a Generac owner's manual covering: GH-410, GT-530, GT-990, GT-999. Check it applies to your exact model before use.
Applies to: Generac GH-410, Generac GH-410 engine, Generac GT-530 engine, Generac GT-990 engine, Generac GT-999 engine
Before you start
- Gaseous fuels are highly explosive. No leakage permitted.
Procedure
- Open roof.
- For 10kW: loosen clamp, slide back air inlet hose.
- Slide fuel selector on carburetor out towards back of enclosure.
- Return inlet hose and tighten clamp securely.
- For 12-20kW: remove air cleaner cover.
- Slide selector lever out towards back of enclosure.
- Return air cleaner cover and tighten two thumb screws.
- Close roof; reverse to convert back.
Specs & values
- Fuel pressure 10 to 12 inches water column (0.36 to 0.43 psi) MUST BE SUPPLIED for LP
Full service-parts list: Generac GH-410 →
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.