Cummins/Onan — Replacing Transfer Switch Coil (200 and 400 Ampere)
Repair & overhaul
From a Cummins/Onan service manual — check it applies to your exact model before use.
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Procedure
- Disconnect the coil lead wires.
- Remove the capscrews mounting the coil and stationary armature to the case.
- Pull out the assembly.
- Remove the defective coil from the stationary armature and replace with new coil.
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.