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Cummins/Onan DQGAB-6630738 — Generator Check list

Maintenance

For the Cummins/Onan DQGAB-6630738, from the Cummins/Onan manual.

Applies to: Cummins/Onan QSK50-G4 engine

Procedure

  1. Check coolant level and record freeze protection: -40
  2. Visual inspection of radiator
  3. Visual inspection of radiator hoses
  4. Check condition of coolant hoses
  5. Check condition of fuel hoses
  6. Check condition of engine belts
  7. Batteries and QTY: 4, 8D's (Cores)
  8. Battery install date if applicable: 5/19/21
  9. Genset has battery charger
  10. Genset has coolant heater
  11. Check engine oil level
  12. Engine oil filters last changed date and HRS
  13. Inspect exhaust system for cracks / leaks
  14. Check rain cap for proper operation
  15. Generator end is 12 lead reconnectable: (6 lead)

Specs & values

  • Coolant freeze protection: -40
  • Batteries: 4, 8D's

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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