[pianotech] Key Bushing Job

[Ryan Sowers]

The last set I treated I only used the cauls on the front bushings. The
balance rail bushings I like to be fairly snug, and treating them without
cauls made them come out about right.

On Sun, Apr 5, 2009 at 2:08 PM, David Boyce <David at piano.plus.com> wrote:

>  I've no experience with VS profelt, or any other liquid for
> "decompressing" compressed key bushings. But I was wondering whether the use
> of cauls, as has been advised here, would strictly be necessary. (Of course
> they are necessary for holding newly-glue new bushings in place).
>
> If the VS Profelt or other liquid was applied carefully with hypo oiler to
> the compressed part of the bushing only, would the front rail or balance
> rail pin not act as a 'caul' by itself, with the key back in place? Or would
> the bushing cloth expand too much immediately around the pin?
>
> Best,
>
> David.
>



-- 
Ryan Sowers, RPT
Puget Sound Chapter
Olympia, WA
www.pianova.net
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