Cummins/Onan — Permanent Magnet (PMG) Installation
Installation · Permanent magnet generator (PMG)
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan DFAA, Cummins/Onan DFAB, Cummins/Onan DFAC, Cummins/Onan DFBF, Cummins/Onan DFCB, Cummins/Onan DFCC, Cummins/Onan DFCE, Cummins/Onan DFE
Before you start
- The highly magnetic rotor will attract the stator core; avoid any contact which may damage the windings.
Procedure
- Install complete rotor assembly to end of main rotor shaft with hex head through-bolt.
- Carefully locate stator housing to position on generator endbracket.
- Fasten in place using the 4 bolts and clamps; tighten securely.
- Connect the PMG wiring harness connector.
- Install PMG assembly cover using three M5x12mm capscrews and lockwashers.
- HC4-7 Control Housing: Install control housing grille and access covers.
Full service-parts list: Cummins/Onan DFBF →, Cummins/Onan DFCC →, Cummins/Onan DFCE →, Cummins/Onan DFE →
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.