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RJC — Service Procedure

For the RJC.

Procedure

  1. Before installing new diaphragm, soak it in fuel. Insert
  2. Compress rocker spring and install between body and
  3. Assemble cover to body with notch marks lined up.
  4. Tighten cover screws alternately and securely, then
  5. Install pump on engine and repeat pressure test.

Source: manual:967-0757_Onan_RJC_MJB_MJC_Gas_Engine_Service_Manual_11-1986.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.