Cummins/Onan — Air Cleaner Element Replacement
Maintenance
From a Cummins/Onan owner's manual — check it applies to your exact model before use.
Applies to: Cummins/Onan HDKA, Cummins/Onan HDKAQ, Cummins/Onan HDKAR
Procedure
- Squeeze the dust boot to release any trapped dust or dirt before beginning installation.
- Unclip the air cleaner cover.
- Pull the filter out gently to reduce dust dislodged; twist to disengage the seal.
- Pull the filter off the outlet tube and out of the housing; avoid dislodging dirt.
- Clean the sealing surface and the inside of the outlet tube; remove all dust and dirt from inside the housing.
- Examine the old filter for dust on the clean air side; correct any sealing-surface leakage.
- Inspect the new filter for damage; do not install a damaged filter.
- Insert the filter into the housing, applying pressure at the outer rim.
- Check all connections for tight fit.
Specs & values
- Change the element yearly or after 500 hours, or more often in extremely dusty conditions.
Full service-parts list: Cummins/Onan HDKA →, Cummins/Onan HDKAQ →, Cummins/Onan HDKAR →
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.