RJC — Remove only if 0-Ring or bearing is to be replaced.
For the RJC.
Procedure
- Loosen pump end plate screws and remove end plate.
- Loosen pump end plate screws and remove end plate.
- Pull impeller out with a pair of pliers or by prying with
- If further disassembly is necessary, remove pump
- Loosen set screw on side of pump by three or four
- Remove seal assembly by prying through drain slots.
- To remove bearing and shaft assembly, drive out by
- 5 qts.
- 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.