Cummins/Onan W3M-19 — Cleaning the Air Cleaner
Maintenance
For the Cummins/Onan W3M-19, from the Cummins/Onan service manual.
Applies to: Cummins/Onan W3M-19, Cummins/Onan W2C engine
Parts for this job
Part numbers from the service-parts list for Cummins/Onan W3M-19. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Remove thumb nut and lift cleaner from power unit.
- Lift cover and element assembly from the cup.
- Clean old oil and sediment from the cup.
- Clean element by sloshing up and down in cleaning fluid or gasoline.
- Allow element to dry or dry with air hose.
- Fill cup to level mark with clean oil same as crankcase oil.
- Reassemble and install cleaner, tightening thumb nut securely.
Tools required
- Air hose Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Fill cup to level mark, about 1/4 pt.
Full service-parts list: Cummins/Onan W3M-19 →
Source: Cummins/Onan service 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.