Laws of physics in reverse?

[Pianoman]

Try a pinch of CA glue on the threads.
James
James Grebe   Piano Tuning & Repair   Member of M.P.T.
R.P.T. of the P.T.G. for over 30 years.   "Member of the Year" in 1989
   Creator of Handsome Hardwood Caster Cups, Piano Benches, Writing 
Instruments
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----- Original Message ----- 
From: "Arlie Rauch" <adarpub at midrivers.com>
To: <pianotech at ptg.org>
Sent: Saturday, March 25, 2006 5:35 PM
Subject: Laws of physics in reverse?


>A customer called me the other day who has an old upright piano, a  fairly 
>nice one.  But it has one unusual feature--either that or she  is not 
>telling me everything.  The nut which adjusts the damper pedal  tightens 
>itself over time to the degree that the dampers stand off  from the 
>strings, and the sound just rings.
>
> Is this really possible?  She claims no one tampers with it.  But  every 
> visit I adjust it so it works properly, and my next visit it is  screwed 
> down so tight that the dampers are off the strings again.
>
> Anyone else experience this?  Can you explain it?  I can understand a  nut 
> loosening, but tightening by itself baffles me.
>
> Anyway, it's time to loosen the nut again!
>
> Arlie Rauch
> Glendive, MT
>