twisting front rail key pins

[Amy Zilk]

Thanks, David.
az

Porritt, David wrote:
>
> Schaff Catalog page 40, Tool # 82 Capstan and key pin regulator.  Do 
> grab the pin below the stack of punchings though, so you won't nick 
> the pin.
>
>  
>
> dp
>
>  
>
> David M. Porritt
>
> dporritt at smu.edu <mailto:dporritt at smu.edu>
>
> ------------------------------------------------------------------------
>
> *From:* pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] 
> *On Behalf Of *Amy Zilk
> *Sent:* Thursday, June 22, 2006 11:05 AM
> *To:* Pianotech List
> *Subject:* Re: twisting front rail key pins
>
>  
>
> How do you untwist them?  I just rebushed a set of keys and some of 
> the pins had been twisted.  I wasn't able to untwist any of them.  I 
> didn't have any tools that didn't slip.  Do you know of any tools that 
> work for this?  For that matter, what tool did you use to twist them? 
>
> Thanks in advance,
> az
>
>
>
>
> Porritt, David wrote:
>
> You're not missing anything.  That's the reason the front rail pins 
> are oblong and now round.  Replacing the bushings is a better solution 
> but in a pinch I've turned quite a few!
>
>  
>
> dp
>
>  
>
> David M. Porritt
>
> dporritt at smu.edu <mailto:dporritt at smu.edu>
>
> ------------------------------------------------------------------------
>
> *From:* pianotech-bounces at ptg.org <mailto:pianotech-bounces at ptg.org> 
> [mailto:pianotech-bounces at ptg.org] *On Behalf Of *Tom Sivak
> *Sent:* Thursday, June 22, 2006 10:31 AM
> *To:* pianotech
> *Subject:* twisting front rail key pins
>
>  
>
> List
>
>  
> I've always been told, "Don't twist the front key pins to eliminate 
> side motion on keys that have the key bushings worn out."  And I've 
> always accepted that.
>
>  
>
> Last week I was at a composer/friend's house.  He has a 1930s Kimball 
> grand, really worn out.  I did a full regulation on the piano, and he 
> didn't want to pay for new key bushings, so I twisted them, and the 
> difference is wonderful.  No side play on the keys, feels like a 
> million bucks.
>
>  
>
> Now I understand it would be unethical to do that to a piano and then 
> sell it, hiding a problem, but what's wrong with improving the play of 
> a piano by doing the same?  Sure, it may accelerate wear on the 
> bushings, but the bushings are worn out now!  They need replacing 
> already.  All this does is extend the deadline and make the piano play 
> much better until D Day comes.
>
>  
>
> Am I missing something?  What's the down side to this?
>
> Tom Sivak
>
> Chicago
>
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