Cummins/Onan E125 / E140 — Air Cleaner Element Replacement

Maintenance

For the Cummins/Onan E125 / E140, from the Cummins/Onan service manual.

Applies to: Cummins/Onan E125, Cummins/Onan E140, Cummins/Onan E125H/E140H engine

Procedure

1. Pull choke knob to full-choke position to close choke plate.
2. Remove outer cover; wipe away loose dust and debris.
3. Remove mounting nut, inner cover and air cleaner element.
4. Wipe dust and debris from the air cleaner base.
5. Install new paper element and secure with inner cover and mounting nut.
6. Tighten nut 1-1/2 turns after seating it on the cover.
7. Reinstall foam wrapper and outer cover.

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.

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