Cummins/Onan — Installation Checklist - Prestart
Installation · generator set
From a Cummins/Onan service 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
Before you start
- Improper wiring can cause a fire or electrocution.
Procedure
- Verify wattage capacity sufficient for anticipated load.
- Verify at least 3 feet clearance around generator set.
- Verify genset located away from flooding.
- Check fuel tanks, lines and shutoff valves meet codes and are free of leaks.
- Check exhaust system for leaks, secure connections, condensation drain, insulation.
- Check AC and DC wiring sizes, insulation, conduits and connections meet codes.
- Service engine with oil and coolant.
- Verify batteries installed, serviced and charged.
Full service-parts list: Cummins/Onan GGHG →, Cummins/Onan GGHH →
Source: Cummins/Onan service 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.