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Cummins/Onan — Generator Check list

Maintenance · Genset

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

Applies to: Cummins/Onan GGFB, Ford CSG-649I-6005-A engine

Procedure

  1. Check coolant level and record freeze protection.
  2. Visually inspect radiator for cleanliness and leaks.
  3. Visually inspect radiator hoses.
  4. Check condition of coolant hoses.
  5. Check condition of fuel hoses.
  6. Check condition of engine belts.
  7. Check batteries and quantity.
  8. Check battery install date and battery charger.
  9. Check genset coolant heater.
  10. Check engine oil level.
  11. Check engine oil filter change date and hours.
  12. Inspect exhaust system for cracks and leaks.
  13. Check rain cap for proper operation.
  14. Verify generator end is 12 lead reconnectable.
  15. Verify generator end has PMG permanent magnet generator.

Specs & values

  • Coolant freeze protection: -25F
  • Coolant heater: 120V 1500W FridayParts $39.99
  • Batteries and QTY: None
  • Genset has battery charger: No
  • Generator end is 12 lead reconnectable: Yes
  • Generator end has PMG permanent magnet generator: Yes
  • Electronic Engine: Electronic governor

Source: Cummins/Onan 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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