Float Level
- With air horn and gasket removed, turn air horn upside down. Allow weight of float to press down against float needle valve. See Fig 1.
- Measure float level specified clearance between top of float and air horn gasket surface. Clearance can be measured using specified drill or pin gauge.
- Make sure float tang still rests on float needle when clearance is checked. To adjust, bend tang that contacts float needle.NOTE: Do not apply pressure to float needle while checking or changing adjustment.