Cummins/Onan — Set Removal
Repair & overhaul · Generator set
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan MDKC, Cummins/Onan MDKD, Cummins/Onan RGA-OP'
Before you start
- Fuel leakage presents fire or explosion hazard; plug all fuel line openings and keep ignition sources away.
Procedure
- Disconnect the generator set negative (-) battery cable.
- Disconnect the positive (+) battery cable at the battery terminal.
- Disconnect the remote control plug wire, if applicable.
- Disconnect the generator load wires and tag for identification.
- Disconnect the exhaust system and support brackets or hangers.
- Disconnect the fuel line at the generator set housing; plug the end securely.
- Verify the generator set is adequately supported before loosening mounting bolts.
Full service-parts list: Cummins/Onan MDKC →, Cummins/Onan MDKD →, Cummins/Onan RGA-OP' →
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.