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Home›Repair guides›Centrifugal Pump Assembly

Cummins/Onan MJA, MJB, MJC — Centrifugal Pump Assembly

For the Cummins/Onan MJA, MJB, MJC.

Applies to: Cummins Onan Mjc

Procedure

  1. When replacing the water seal, check the wear plate pressed into the impeller and replace it if necessary.
  2. To assemble the pump, reverse the disassembly procedure.

Specs & torque values

  • Water seal
  • Wear plate

Source: manual:968-0500 Onan MJA MJB MJC Service Manual (10-1964).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.