Generac — Bearings replacement assembly - GTA 315 and AG10 250 / 280 / 315
Repair & overhaul · back bearing
From a Generac service manual — check it applies to your exact model before use.
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Procedure
- Assemble the new bearing in the back shaft tip.
- Position the O-ring in the back bearing channel (back cover) to the bearing fitting.
- Install the exciter rotor according to item 13.2.3 of this document.
- Position the back lid and fasten the 4 assembly screws.
- Connect the cables F+ and F- in the voltage regulator positioning in the alternator terminal box.
- Fasten the back fan cover.
Specs & values
- Bearings shall be warmed up at a temperature between 50 ºC and 100 ºC to make assembly easier.
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.