Suggestions for repairing HP tape drive capstans?
ard at p850ug1.demon.co.uk
Sun Apr 18 13:24:16 CDT 2010
> I use rubber precision pipes (a special kind of rubberhose).
Deoes anyone know a UK supplier of small-ish quantities (I do not want to
buy 100m of the stuff ;-)).
> Diameters for the 9144 are inside 6/16 outside 7/16 inch.
Do you mean that? The roller is a lot larger than that. OK, it would
stretch onto the hub, but surely if the inisde diameter is 3/8" (6/16")
and the outside is 7/12", them the wall thicknerss is only 1/32". And
the old tyre looks a lot thicker than that.
> I glue the with polypurethane glue and grind to the right size using
> sandpaper 150 (3M wet or dry)
I asume you run the motor off a bench supply and carefully hold the
abrasive againsit it.
> I finish the capstands with a sandpaper 400 so the surface is smooth.
> For the HP85 / 9825 /9835 tapedrives I use a 6.5mm citroen hydraulic rubber.
Is that what I would call a 'sleeve seal'? That is the little rubber seal
you put ove the enf of the pipe before screwing the union down? IIRC they
come in 3 sizes, I assume you need the largest one.
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