Cummins/Onan 1B Series — Governor Arm Adjustment

For the Cummins/Onan 1B Series.

Applies to: Cummins/Onan 1B Series

Procedure

1. Loosen clamp screw.
2. Turn shaft clockwise.
3. Tighten lock screw.
4. Check spring return.
5. Adjust speed nut.
6. Check freedom of action.

Source: manual:901-0025 Onan 1B-series Genset Instruction manual.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.