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Home›Repair guides›Cummins/Onan›Air Filter Maintenance

Cummins/Onan P4500iDF — Air Filter Maintenance

Maintenance

For the Cummins/Onan P4500iDF, from the Cummins/Onan owner's manual.

Applies to: Cummins/Onan P4500iDF

Before you start

  • NEVER use gasoline or other flammable solvents to clean the air filter.

Parts for this job

Part numbers from the service-parts list for Cummins/Onan P4500iDF. Verify against your serial number before ordering; some links are affiliate links.

Procedure

  1. Place generator on a level surface and allow engine to cool several minutes.
  2. Remove the engine service cover.
  3. Turn the air cleaner cover knobs to unlocked and tip the cover down to remove.
  4. Wash the foam air filter in household detergent soap and warm water.
  5. Rinse by submerging in fresh water; allow to dry thoroughly.
  6. Dip the foam filter in clean engine oil and squeeze out excess.
  7. Install the foam air filter and lock the air cleaner cover.
  8. Install the engine service cover.

Specs & values

  • Clean air filter every 50 hours or six months

Full service-parts list: Cummins/Onan P4500iDF →

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.

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