Cummins/Onan — Protect Plant For Extended Out Of Service Period
Maintenance · Generating plant
From a Cummins/Onan operator's manual — check it applies to your exact model before use.
Applies to: Cummins/Onan MDJA, Cummins/Onan MDJC
Before you start
- Attach a warning to refill oil before operation.
Procedure
- Run the plant until thoroughly warmed up.
- Drain the oil from the oil base while still warm; attach a warning to refill before operation.
- Drain water if it will freeze.
- Clean the air cleaner.
- Lubricate the governor linkage.
- Protect against dust by wrapping with a clean cloth.
- Plug the exhaust outlet to prevent entrance of moisture or dirt.
- Wipe generator brushes, slip rings, etc. clean; do not use lubricant or preservative.
- Wipe the entire unit clean and coat parts likely to rust with a light film of grease or oil.
- Provide a suitable cover for the entire unit.
- Disconnect battery and follow standard battery storage procedure.
Full service-parts list: Cummins/Onan MDJA →, Cummins/Onan MDJC →
Source: Cummins/Onan operator's 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.