Cummins/Onan — Air Filter Cleaning
Maintenance
From a Cummins/Onan operator's manual — check it applies to your exact model before use.
Applies to: Cummins/Onan GGHE, Cummins/Onan GGHF, Cummins/Onan Modified Ford V-10 WSG-1068 engine
Before you start
- Do not clean filter housing while still installed. Loose dirt entering intake could damage carburetor or engine.
Parts for this job
- 140-3140 Air filter — Cummins/Onan GGHE Amazon eBay
- 140-3140 Air filter — Cummins/Onan GGHF Amazon eBay
Part numbers from the service-parts lists for Cummins/Onan GGHE, Cummins/Onan GGHF. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Remove wing nut in center of filter cover; remove cover and filter.
- Tap filter on a flat surface to remove dirt.
- Place a light source inside filter and inspect for air passage.
- Apply low pressure air source (30 psi) to inside of filter to remove as much dirt as possible.
- Inspect interior housing; vacuum clean if dirty or remove housing and wipe clean.
Tools required
- low pressure air source (30 psi) Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Clean air filter every 100 hours; replace after 500 hours
Full service-parts list: Cummins/Onan GGHE →, Cummins/Onan GGHF →
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.