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Firstly, if the drawtube has any sideways movement you can slightly tighten the two screws on top of the focuser; this applies pressure to the top Teflon pad bearing on the drawtube. You don't need to unscrew the screws, I removed one in the photo to see what was under it. The screws will only need to be tightened 1/16 or 1/8 of a turn.
Last edited by casstony; 15-02-2016 at 08:04 PM.
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