Cummins/Onan P9500df — Storing Generator
Maintenance
For the Cummins/Onan P9500df, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan P9500df
Before you start
- Gasoline stored for as little as 60 days can go bad
Procedure
- Switch Engine Switch to STOP so generator does not draw power from battery
- Clean the generator
- Drain all gasoline from fuel tank as best as possible
- With fuel shut off valve open, start engine and run until remaining gasoline in lines/carburetor is consumed and engine shuts off
- Close fuel shut off valve
- Drain remaining gas in carburetor float bowl
- Change the oil
- Remove spark plug, place about 1 tablespoon of oil in spark plug opening, pull recoil handle several times to distribute oil
- Replace spark plug
- Move generator to a clean, dry place for storage
Full service-parts list: Cummins/Onan P9500df →
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.