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Cummins/Onan — Re-Lubrication Procedure (Generator Bearing)

Maintenance

From a Cummins/Onan operator's manual — check it applies to your exact model before use.

Applies to: Cummins/Onan DQKB, Cummins/Onan DQKC, Cummins/Onan QSK60 engine

Parts for this job

  • F60-1500 Oil filter — Cummins/Onan DQKB Amazon eBay
  • F60-1500 Oil filter — Cummins/Onan DQKC Amazon eBay

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

Procedure

  1. Make sure grease gun nozzle and re-lubricating fitting are free from contaminants or abrasive material.
  2. Apply the specified re-lubrication grease fill quantity through the grease fitting.
  3. Run the generator for 10 minutes to allow excess grease to exhaust.
  4. Check inside the PMG cover for expelled grease and clean out as necessary.

Tools required

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

Specs & values

  • Use 1/4 of the label grease amount for 1000-hour re-lubrication; full amount for 4000-hour re-lubrication

Full service-parts list: Cummins/Onan DQKB →, Cummins/Onan DQKC →

Source: Cummins/Onan operator'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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