[CAUT] Loose Capstans

Daniel Gurnee dgurnee@humboldt1.com
Mon, 9 May 2005 17:42:24 -0700


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Ken,

Try Envelope flap shims, experiment with width, either wetable or self=20=

stick.

Dan Gurnee


On Monday, May 9, 2005, at 02:02 PM, Ken Zahringer wrote:

> I encountered a new phenomenon the other day. =A0One of the piano=20
> faculty told me one note on his 1920=92s vintage Steinway wasn=92t=20
> working, so I went to check it out. =A0When I pulled the action, I saw=20=

> that the offending hammer was sitting all the way down on the cushion.=20=

> =A0After eliminating all the causes I could think of, I started=20
> adjusting the capstan. =A0The capstan was extremely loose =96 it took=20=

> almost no force to turn it. =A0The threads were still intact, but it =
was=20
> so loose that apparently the impact of playing caused the capstan to=20=

> screw itself down into the key. =A0There were one or two other keys=20
> where the hammers had sagged almost as much, but were still=20
> functional. =A0A quick survey indicated that the whole keyboard =
probably=20
> needs attention.
>
> Anyone have any experience with this sort of thing? =A0I=92m thinking =
of=20
> maybe West System epoxy or Webb Phillips=92 Wood Rebuilder, but then=20=

> again, I do have a bottle of Garfields Pinblock Restorer around here=20=

> somewhere. :-) =A0I don=92t know what the long term effects on future=20=

> adjustments might be of any particular fix. =A0Just don=92t suggest CA=20=

> glue. =A0The last time I used that stuff my sinuses were plugged solid=20=

> for a week.
>
> Thanks,
> Ken Z.
> --
> Ken Zahringer, RPT
> Piano Technician
> University of Missouri School of Music
> 297 Fine Arts Bldg
> Columbia, MO 65211
> 573-882-1202
> cell 573-489-7529

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