Generac — Diode wheel disassembly

Repair & overhaul

From a Generac service manual — check it applies to your exact model before use.

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Procedure

1. Withdraw the main rotor power supply cables, connected to the diodes wheel.
2. Undo the bind (tin weld) of the 6 diodes with the exciter rotor.
3. Use a tinning device to preserve the cable tip, so avoiding the need of patches.
4. Withdraw the diodes support of the exciter rotor.
5. Replace the component parts which are damaged: diodes, varistor and capacitor.

Source: Generac 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.

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