Pianotech Digest, Vol 1276, Issue 119

[Ben J]

  "Is there a down side to this. Am I missing something? 
    Tom - If you are going to turn front rail pins to take up slack in a worn key bushings I would suggest leaving the key with just a little more slack than you would normaly like to feel. I have traced the cause or more than one sticking key to a turned front rail pin, ( some of which I have turned myself). Sometimes for what ever reason the bushing tightens up on the turned pin after you leave the house of course and the key starts sticking. Just a thought- Ben E Johnston  RPT  
   
   
   
    
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    From: 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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