Cummins/Onan — Field replacement of Woodward AFC on US (EPA Compliant) generators
Maintenance · Woodward Air Fuel Control Valve (AFC)
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan GGHG, Cummins/Onan GGHH
Procedure
- Order kit part number A034T573.
- Download the proper calibration file from the InCal website. Refer to the instructions provided in the kit.
- Follow the instructions provided in the kit, install kit, and upload the proper calibration to the Woodward control.
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.