[pianotech] balance hole break-loose noise

[William Monroe]

>
>  Agreed again.  Over-easing .  There is a remote possibility that Protek
> could be an end-game ('though, again, I share your doubt), but over-easing
> alone is certainly not an end-game, but was meant as a diagnostic,
> possibly a first step.  Considering over-easing the holes to the point of
> getting rid of the noise (if that is even possible) and then glue sizing
> with another kind of glue.  What substance and/or technique do you use to
> reduce enlarged balance rail pin holes?
>
>
> Alan
>
>
>
> Hi Alan,

I've simply steamed balance rail holes that were modestly enlarged with good
success.  If they require much more than steaming, I machine out the
material and replace with a quarter-sawn poplar insert.  The method is one
created by Ralph Onesti which utilizes mated circular machining bits for
removing the old wood and cutting a matching plug out of new material.  Very
slick system.  I've replaced entire keyboards this way as needed.

William R. Monroe
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