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Cummins/Onan — Returning the Unit to Service

Maintenance · generating plant

From a Cummins/Onan service manual covering: 10C, 10CW, 10CW-150R, 5CW, 6CW-51R, 7.5C, 7.5CW, 9CW. Check it applies to your exact model before use.

Applies to: Cummins/Onan 10CW-150R

Before you start

  • Correct any leaks before starting the unit.

Procedure

  1. Remove all protective grease coatings and wipe unit clean.
  2. Inspect unit carefully for damage; service as needed.
  3. Remove plug from exhaust outlet.
  4. Remove, clean and adjust spark plugs.
  5. Examine all fuel and oil connections; service as needed.
  6. Refill crankcase with correct amount and grade of oil.
  7. Lubricate governor linkage ball joint with powdered graphite.
  8. Check for fuel or oil leaks; connect battery cables and start in regular manner.

Full service-parts list: Cummins/Onan 10CW-150R →

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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