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Colchester Student 1800 headstock bearing adjustment
| Stuart McG | 09/04/2021 09:10:21 |
| 11 forum posts 2 photos | Does anyone out there know how to set the preload on the main headstock spindle bearings on the Student 1800 please? These machines are fitted with two Gamet taper roller bearings, the left-hand one being a spring-loaded P type. The maker's manual is no help. |
| old mart | 09/04/2021 15:28:55 |
| 4655 forum posts 304 photos | Lathes UK sell manuals for most lathes. |
| Emgee | 09/04/2021 17:48:26 |
| 2610 forum posts 312 photos | Stuart, looks like you got the answer on the iO Colchester Group ? Emgee |
| Stuart McG | 09/04/2021 19:34:01 |
| 11 forum posts 2 photos | The reply on the Colchester Group site is nonsense. With 4mm of movement, there would be virtually zero preload on the springs. The only free movement required at the springs is to account for thermal expansion, which would be nowhere near 4mm. I am guessing that only a few thou would be needed, but am trying to get at how they were set in production. I have been onto both Colchester and Gamet, with little joy. |
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All Forum Topics > Help and Assistance! (Offered or Wanted) > Colchester Student 1800 headstock bearing adjustment