Cummins/Onan — Carburetor Float Adjustment:

For these Cummins/Onan models: 5.0BF - 34 3E, S.OSF - 34 IE.

Applies to: Cummins Onan 5 0Bf 34 3E, Cummins Onan S Osf 34 Ie

Procedure

1. 1. Invert float assembly and casting.
2. 2. With the float resting lightly against the needle
3. 3. If it is necessary to reset the float level, bend the

Source: manual:965-1003 Onan BF Welder Parts and Service Manual (9-1973).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.