Cummins/Onan — Air Filter Maintenance
Maintenance
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
Before you start
- Never use gasoline or other flammable solvents to clean the air filter.
- Do not twist or tear the foam air filter element.
Parts for this job
- A064D489 Air filter — Cummins/Onan P4500iDF Amazon eBay
- A064D489 Air filter — Cummins/Onan P4500iDF Inverter Amazon eBay
Part numbers from the service-parts lists for Cummins/Onan P4500iDF, Cummins/Onan P4500iDF Inverter. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Place the generator on a level surface and allow the engine to cool for several minutes.
- Remove the engine service cover.
- Turn the air cleaner cover knobs to the unlocked position and tip the cover down to remove.
- Remove the foam air filter and wash it in household detergent soap and warm water.
- Rinse the element in fresh water and allow it to dry thoroughly.
- Dip the foam air filter in clean engine oil then squeeze out all excess oil.
- Install the foam air filter in the housing and lock the air cleaner cover in place.
Specs & values
- Clean air filter after every 50 hours or six months
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.