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RJC — Service Procedure

For the RJC.

Procedure

  1. Disconnect pump outlet line and install pressure
  2. Test valves and diaphragm by operating priming lever
  3. Run engine with adequate ventilation at governed

Tools required

  • gauge (Figure 17).
  • between 2 and 3 psi with gauge held 16 inches above

Specs & torque values

  • between 2 and 3 psi with gauge held 16 inches above

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.