Onan QG 4000i owner guide load prep

Use this Cummins Onan QG 4000i owner guide to document model, spec, load, altitude, and service details before support.

Owner-safe checklist

• Record the QG 4000i model, spec, serial, nameplate details, load condition, altitude setting, fuel state, and shutdown behavior.
• Shut the generator down for fuel odor, exhaust concern, CO alarm, abnormal heat, or electrical safety concern.
• Use qualified Cummins/Onan service for fuel, exhaust, generator electrical, internal control, or parts decisions.

Official sources

• Cummins Onan QG 4000i owner guide 0056746