Generac — PMG kit installation disassembly - GTA 315
Repair & overhaul · PMG (auxiliary exciter) kit
From a Generac service manual — check it applies to your exact model before use.
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Procedure
- Remove the inspection cover of the exciter and terminal box cover.
- Remove the diodes wheel.
- Remove the exciter stator and the back cover.
- Remove the exciter rotor, using the fixing screws through the holes indicated and withdraw the current exciter rotor bushing.
- In the non-coupled side install a threaded rod (M20) in the shaft center hole to sustain the rotor.
Tools required
- M20 threaded rod Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.