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
- Check coolant level and record freeze protection.
- Visually inspect radiator for cleanliness and leaks.
- Visually inspect radiator hoses.
- Check condition of coolant hoses.
- Check condition of fuel hoses.
- Check condition of engine belts.
- Check batteries and quantity.
- Check battery install date and battery charger.
- Check genset coolant heater.
- Check engine oil level.
- Check engine oil filter change date and hours.
- Inspect exhaust system for cracks and leaks.
- Check rain cap for proper operation.
- Verify generator end is 12 lead reconnectable.
- 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.