Generac — Bearings replacement disassembly - GTA 160 / 200 / 250
Repair & overhaul · back bearing
From a Generac service manual — check it applies to your exact model before use.
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Procedure
- Place the alternator in vertical position, with the coupling discs upwards.
- Withdraw the coupling discs.
- Screw an eyebolt that has the same hole thread of the rotor shaft tip center.
- Lift the rotor carefully with the help of a hoist.
- Remove the bearing attached in the back shaft tip with a bearing withdrawing device; it shall be discarded.
Tools required
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.