Cummins/Onan CK-216E — Governor Adjustment
Adjustments
For the Cummins/Onan CK-216E, from the Cummins/Onan service manual.
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Procedure
- Check governor arm and linkage for binding or slack.
- With governor shaft yoke against governor cup, adjust linkage to hold throttle lever wide open.
- Adjust throttle lever stop to 1/32 inch clearance from manifold at no load.
- Check rpm at no load and full load; adjust speed adjusting nut.
- Adjust sensitivity screw to achieve about 90 rpm difference between no load and full load.
Tools required
- tachometer Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- no-load 1920 rpm 60 cycle
- full load min 1710 rpm 60 cycle
- max speed drop 90 rpm
Source: Cummins/Onan service 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.