Generac — Reset the PAS
Adjustments · Positive Air Shutdown valve
From a Generac owner's manual — check it applies to your exact model before use.
Applies to: Generac MLT, Mitsubishi L2E engine
Before you start
- Turn control power switch OFF (O) before resetting to prevent unexpected engine start-up
Procedure
- Turn control power switch OFF before resetting.
- Rotate reset knob and hold while pulling T-handle until knob rotates counterclockwise into plunger detent (audible click).
- Verify reset knob is parallel to intake pipe centerline.
- Release T-handle, then release reset knob; knob should remain parallel to centerline.
Full service-parts list: Generac MLT →
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.