Tunings stability problem

[Scott & Jason Jackson]

Won't shimming or larger pins make a crack spread wider, making the problem
worse?

Is this why glue may be better?

Is glue only useful for a cracked plank? Or also for enlarged holes?

Scott


----- Original Message -----
From: "baoli liu" <baoli_liu@yahoo.com>
To: <pianotech@ptg.org>
Sent: Friday, 24 May 2002 6:09
Subject: Re: Tunings stability problem


> Hi Ron,
>
> If you continue to find loosed tuning pins,you'd
> better check if pin block is cracking.
>
> Shimming with sandpaper is one way to kill loosed
> pins. replacing  the original  tuning pins with larger
> ones or using CA glue also works well.
>
> Of course,pin block must be supported from underneath
> while you replace pins or doing the shimming work to
> prevent pinblock cracking.
>
> Baoli