Cummins/Onan 2100 Series — Disassembling the PMG
Repair & overhaul
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
- Rotor is magnetic and will attract stator; hold stator firmly.
Procedure
- Disconnect negative (-) battery cable.
- Remove PMG cover and disconnect leads at connector.
- Remove bolts and clamps securing PMG stator; carefully pull away stator.
- Remove rotor center bolt and pull away rotor; place in clean plastic bag.
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.