Cummins/Onan 2100 Series — Removing the Generator Control Housing
Repair & overhaul · Generator control/output boxes
For the Cummins/Onan 2100 Series, from the Cummins/Onan service manual.
Applies to: Cummins/Onan DGBB, Cummins/Onan DGBC, Cummins/Onan DGCA, Cummins/Onan DGCB, Cummins/Onan DGCG, Cummins/Onan DGDA, Cummins/Onan DGDB, Cummins/Onan DGDK, Cummins/Onan DGFA, Cummins/Onan DGFB, Cummins/Onan DGFC
Before you start
- Disconnect negative (-) battery cable first.
Procedure
- Disconnect the line cables and conduit; mark each cable.
- Disconnect the remote control wiring and conduit; mark each wire.
- Disconnect all engine wiring harness connections in control and output boxes.
- Disconnect all generator control leads (winding taps) in the output box.
- If equipped, disconnect cables to the mounted line circuit breaker.
- Attach a hoist to the generator output box, loosen side mounting bolts and remove box.
Tools required
- Hoist Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Cummins/Onan DGBB →, Cummins/Onan DGBC →, Cummins/Onan DGCA →, Cummins/Onan DGCB →, Cummins/Onan DGDA →, Cummins/Onan DGDB →, Cummins/Onan DGFA →, Cummins/Onan DGFB →, Cummins/Onan DGFC →
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.