Cummins/Onan — Genset Engine Assembly - Replace
Repair & overhaul
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan MDKAV, Cummins/Onan MDKAW, Cummins/Onan MDKAZ, Cummins/Onan MDKB
Procedure
- Disconnect and connect battery cables, engine wiring harness, fuel lines, exhaust hose, coolant hose
- Drain and refill engine fluids
- Remove and install soundshield as needed
- Remove and install starter
- Remove and install generator control assembly
- Remove and install generator assembly
- Transfer flywheel, flywheel housing, intake manifold, exhaust manifold
- Transfer starter, switches and senders, engine mounts
- Transfer raw water pump, fuel filter assembly and lines, fuel pump
- Test run unit
Full service-parts list: Cummins/Onan MDKAV →, Cummins/Onan MDKAW →, Cummins/Onan MDKAZ →, Cummins/Onan MDKB →
Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.