Generac — Exciter rotor disassembly - GTA160 / 200 / 250
Repair & overhaul
From a Generac service manual — check it applies to your exact model before use.
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Before you start
- As the exciter rotor is pressed with interference in the shaft, after its removal it is not recommended to reuse it; it shall be replaced by a new one.
Procedure
- Remove the power supply cables of the main rotor connected in the diodes wheel.
- Remove the bearing using the extractor device, according to item 11.3.
- Remove the exciter rotor using the extractor device, similar to the procedure of withdrawing the bearing.
Tools required
- extractor device 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.