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
- Check coolant level and record freeze protection: -40
- Visual inspection of radiator
- Visual inspection of radiator hoses
- Check condition of coolant hoses
- Check condition of fuel hoses
- Check condition of engine belts
- Batteries and QTY: 4, 8D's (Cores)
- Battery install date if applicable: 5/19/21
- Genset has battery charger
- Genset has coolant heater
- Check engine oil level
- Engine oil filters last changed date and HRS
- Inspect exhaust system for cracks / leaks
- Check rain cap for proper operation
- 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.