Cummins/Onan — Carburetor and Governor Speed Adjustment
Adjustments · carburetor/governor
From a Cummins/Onan operator's manual covering: P216, P218, P220, P224. Check it applies to your exact model before use.
Applies to: Cummins/Onan P216, Cummins/Onan P218, Cummins/Onan P220
Procedure
- Start engine and allow to warm up at least 10 minutes
- Move engine speed control to slow position; adjust throttle stop screw for 1000 rpm idle
- Adjust governor low speed stop for 1100 rpm idle
- Move engine speed control to fast position; bend high speed stop on governor to set equipment manufacturer's recommended speed
Specs & values
- Idle 1000 rpm (throttle stop); Governor low speed 1100 rpm
Full service-parts list: Cummins/Onan P216 →, Cummins/Onan P218 →, Cummins/Onan P220 →
Source: Cummins/Onan operator'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.