HomeRepair guidesRemove only if 0-Ring or bearing is to be replaced.

RJC — Remove only if 0-Ring or bearing is to be replaced.

For the RJC.

Procedure

  1. Loosen pump end plate screws and remove end plate.
  2. Loosen pump end plate screws and remove end plate.
  3. Pull impeller out with a pair of pliers or by prying with
  4. If further disassembly is necessary, remove pump
  5. Loosen set screw on side of pump by three or four
  6. Remove seal assembly by prying through drain slots.
  7. To remove bearing and shaft assembly, drive out by
  8. 5 qts.
  9. 5 qts.

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.