Cummins/Onan Onan P4500i / P4500 — Starting the Generator
Operation
For the Cummins/Onan Onan P4500i / P4500, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan Onan P4500i, Cummins/Onan P4500
Procedure
- Place the generator in a safe, appropriate location.
- Unplug all loads.
- Ensure the ECO mode switch is in the OFF position.
- Check oil and fuel levels.
- Turn the fuel switch to the ON position.
- Push the battery switch to the ON position.
- For recoil start: remove the engine service cover, set the choke to on/cold start, then pull the recoil handle.
- For remote start: push and hold the ON button on the key fob for two seconds.
- For electric start: push and hold the engine START/STOP button for two seconds.
- After the engine starts and stabilizes (~5 seconds), move the choke to off/warm start.
- When the OUTPUT READY LED illuminates, connect loads to the receptacles.
- Connect and start the largest device; allow output to stabilize; repeat for each load.
Full service-parts list: Cummins/Onan Onan P4500i →, Cummins/Onan P4500 →
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.