Cummins/Onan 10CW — Sisson Automatic Choke Adjustment
Adjustments
For the Cummins/Onan 10CW, from the Cummins/Onan owner's manual.
Applies to: Cummins/Onan CW series engine
Procedure
- Loosen carburetor choke arm on its shaft.
- Slip choke assembly cover upward to remove.
- Insert 1/8 in nail through aligning holes.
- Tie armature firmly against core.
- Set choke valve plate fully closed and tighten choke arm.
- Remove nail, untie armature, replace cover.
Tools required
- 8 penny nail (1/8 in diameter) Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Cummins/Onan owner'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.