Cummins/Onan — Normal Duty Air Cleaner Element Removal
Maintenance
From a Cummins/Onan operator's manual — check it applies to your exact model before use.
Applies to: Cummins/Onan DFEJ, Cummins/Onan DFEK, Cummins/Onan QSX15-G9 engine
Before you start
- Cummins does not recommend cleaning paper-type air cleaner elements.
- Holes, loose-end seals, dented sealing surfaces or corrosion require immediate element replacement.
Parts for this job
Part numbers from the service-parts lists for Cummins/Onan DFEJ, Cummins/Onan DFEK. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Before disassembly, wipe dirt from the cover and upper portion of the air cleaner.
- Loosen the wing bolt and remove the band clamp securing the dust pan.
- Remove the dust shield from the dust pan.
- Clean the dust pan and shield.
- Remove the wing nut that secures the air cleaner element in the housing.
- Inspect the rubber sealing washer on the wing nut.
- Remove the dirty element and dispose of it per local environmental requirements.
Full service-parts list: Cummins/Onan DFEJ →, Cummins/Onan DFEK →
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.