Compatible — Protect an engine that will be out-of-service for more
For these models: CCK, CCKA, CCKB.
Procedure
- Run engine until thoroughly warmed up.
- Turn off fuel supply and run
Source: manual:927-0754_Onan_CCK-CCKA-CCKB_Spec_A-J_Engine_Service_Manual_03-1986_text.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.