Broken Keys Repair

[Keith Roberts]

Hi Doug, obviously the balance hole and mortise is the weakest spot. The key
button gives you support and so if that is loose or broken it contributes.
Something might have fallen into the action and jammed it or an angry person
was around the piano. Either way a bad repair job the first time makes it
even harder.

Two thin pieces of veneer glued onto the sides like a splint. Epoxy for
maximum gap filling strength. Clamp between the two adjoining keys for
correct alignment. Sand down if too thick.

Keith


----- Original Message -----
From: "Doug Renz Piano Tuning" <pianotuner@frontiernet.net>
To: "'Pianotech'" <pianotech@ptg.org>
Sent: Saturday, January 22, 2005 3:45 PM
Subject: Broken Keys Repair


> I tuned a piano today and the key broke where it
> was previously repaired before.  It broke in the middle
> near the balance rail hole.  I could see that it broke
> and was glued at some point.
>
> My question is, why do they break, and what method/glue
> do you use to prevent breakage again like this after I repair
> it?
>
> Thanks!
>
> Doug Renz
> Associate PTG
> Rochester, NY
> pianotuner@frontiernet.net
>
>
>
>
>
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