Cummins/Onan — To Service the Air Cleaner
Maintenance
From a Cummins/Onan owner's manual — check it applies to your exact model before use.
Applies to: Cummins/Onan DQAD, Cummins/Onan DQAE, Cummins/Onan DQAF, Cummins/Onan QSM11 engine
Before you start
- Filters should be handled with care to prevent damage. If the filter does become damaged, install recommended replacement part.
Procedure
- Loosen fastener(s) and remove air cleaner housing end cap.
- Remove the air filter element from the filter housing.
- To clean, blow low pressure compressed air (30 psi/207 kPa) through the element from the clean side.
- Hold the nozzle at least 1 inch (25 mm) away to avoid damaging the element.
- Soak the filter for at least 15 minutes in water and Donaldsons D1400 solvent to remove soot, carbon and dirt.
- Rinse with clean water (low pressure) and allow to air dry; do not blow dry with compressed air.
- Reinstall when the filter element is dry.
- Replace the filter after two cleanings to avoid restricting the airflow.
Tools required
- Low pressure compressed air (30 psi/207 kPa) Amazon
- Donaldsons D1400 solvent Amazon
- Clean water Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Cleaning air pressure 30 psi/207 kPa
- Nozzle held at least 1 inch (25 mm) from element
- Soak at least 15 minutes
- Replace filter after two cleanings
Full service-parts list: Cummins/Onan DQAD →, Cummins/Onan DQAE →, Cummins/Onan DQAF →
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.