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Status Updates posted by Blazar
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Hi Andy. Quick question for you about the TAL 100RS focuser. I had one of the TALs start to play up, and having taken the focuser apart found one of the 4 small bearings has come apart. I have ordered some new ones (after I found the link on an old thread), but is there any other modifications / refurb I can do whilst its apart? It had started to slip a little, so did hear comments referring to roughing up the draw tube surface to aid grip? Thought I would ask an expert having drawn a blank searching on line. Hope all is well!
Regards
Steve
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I had some issues with my Tal 100RS focuser drawtube where it wasn't running true whilst racking in and out.
Turns out there was a discrepancy on the flat of the draw tube, one end measured 54.60mm, the other end was 55.04mm, that was enough for the focuser to slip when fully racked out.
I flattened it out with a carborundum stone and removed the discrepancy and improved the grip (took some time though and constant checks with a vernier gauge!!)
Got all the above info off SGL member Moriniboy who had the same problem, he sent me some really good photos as well, I would contact him.
PS No probs with the Tal focuser since.