Cummins/Onan — Draining the Float Bowl
Maintenance · Carburetor float bowl
From a Cummins/Onan owner's manual covering: Onan P4500iDF, P4500iDF, P4500iDF Inverter. Check it applies to your exact model before use.
Applies to: Cummins/Onan P4500iDF, Cummins/Onan P4500iDF Inverter
Procedure
- Remove the engine service cover.
- Locate the drain hose extending from the bottom of the carburetor float bowl.
- Place the loose end of the hose outside the generator into an approved gasoline container.
- Loosen the float bowl drain screw and allow the fuel to drain, then tighten the screw.
- Route the drain hose between the air cleaner housing and engine service cover, then install the cover.
Full service-parts list: Cummins/Onan P4500iDF →, Cummins/Onan P4500iDF Inverter →
Source: Cummins/Onan owner'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.