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Cummins/Onan — Removing Air Cleaner (K450/K1000/K400/K800)

Maintenance

From a Cummins/Onan service manual covering: K1000, K1200, K1400, K1800, K2100, K2500, K3000, K3050, K3500, K400, K450, K800. Check it applies to your exact model before use.

Applies to: Cummins/Onan K1000, Cummins/Onan K450

Parts for this job

Part numbers from the service-parts lists for Cummins/Onan K1000, Cummins/Onan K450. Verify against your serial number before ordering; some links are affiliate links.

Procedure

  1. Remove air cleaner cover fixtures
  2. Remove cover, element, and plate
  3. Remove two air cleaner body tightening nuts
  4. Remove air cleaner body

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Full service-parts list: Cummins/Onan K1000 →, Cummins/Onan K450 →

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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