Cummins/Onan — Returning Set to Service

Maintenance · Generator set

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

Applies to: Cummins/Onan GGHG, Cummins/Onan GGHH, Cummins/Onan V-10 WSG-1068 engine

Procedure

1. Remove protective cover.
2. Remove exhaust plugs, seal from carburetor and PVC hose, and replace air cleaner.
3. Check oil dipstick to make sure crankcase is full.
4. Refill cooling system.
5. Reconnect battery (positive cable first) and check specific gravity.
6. Connect the battery charger (if applicable).
7. Connect engine coolant heater to power supply (if applicable).
8. Remove all loads before starting set.
9. Start set and apply load of at least 50% of nameplate rating.
10. Check all gauges for normal readings. Set is now ready for service.

Full service-parts list: Cummins/Onan GGHG →, Cummins/Onan GGHH →

Source: Cummins/Onan operator's 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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