puzzler: vertical damper pedal problem

[reggaepass at aol.com]

Good concept to explain the creeping aspect of this problem.  Not the 
right answer in this case, but it is along those lines.

Alan E.

-----Original Message-----
From: jrpiano at win.eastlink.ca
To: tune4u at earthlink.net; pianotech at ptg.org
Sent: Tue, 16 Jan 2007 1:46 PM
Subject: Re: puzzler: vertical damper pedal problem

    How about the pedal securing screws stripped, and the pedal is just 
loosening, bit by bit, after, you take out the lost motion, with the 
adjust. 
 John M. Ross 
 Windsor, Nova Scotia, Canada 
 jrpiano at win.eastlink.ca 
  ----- Original Message ----- From: "Alan R. Barnard" 
<tune4u at earthlink.net> 
 To: <pianotech at ptg.org> 
 Sent: Tuesday, January 16, 2007 5:04 PM 
 Subject: RE: puzzler: vertical damper pedal problem 
 
  > 1. Mice (or roaches) eating felt punching or pedal prop bushings 
broken or > missing or excessively worn 
  > 2. Pedal trap spring not keeping enough tension on the adjusting nut 
to > keep it from slipping (spring weak, broken, or dislocated) 
 > 3. Broken damper rod hangers or related parts 
 > 4. Split or broken wooden trapwork piece 
  > 5. Felt missing between bass-only and full-damper arms of a 
center-push > system 
 > 6. Broken or bent pedal, pedal bracket, or pedal prop 
 > 7. Bunged up threads on pedal prop or nut 
 > 8. Pedal bracket pivots or bushings worn or damaged 
  > 9. Foreign object preventing full depression of the pedal or 
movement of > the trapwork movement or upper damper assembly 
 > 10. Player has wimpy leg muscles 
 > 11. Player is overly sensitive to normal damper ring 
 > 12. Player is lonely, whiney, and/or has the hots for the tuner 
 > 
 > Alan Barnard 
 > Salem, MO 
 > Joshua 24:15 
 > 
 > 
 > 
 > ----- Original message ---------------------------------------- 
 > From: reggaepass at aol.com 
 > To: pianotech at ptg.org 
 > Received: 01/16/2007 2:18:51 PM 
 > Subject: puzzler: vertical damper pedal problem 
 > 
 > 
 >>List, 
 > 
  >>Went to tune a Sohmer console (although the problem in question was 
not 
  >>necessarily specific to this make). Client complained that the 
damper 
  >>pedal wasnâ?Tt working well. Dampers were coming off the strings 
when 
  >>the pedal was fully depressed, but just barely. I turned down the 
nut 
  >>on the threaded rod attached to the pedal to time the lift sooner. 
Not 
 >>enough time on that visit to determine why it had gone out of 
 >>adjustment (assuming it had ever been IN adjustment). Problem 
 >>solvedâ?¦.until several months later when the client called that the 
 >>damper pedal was again not working, making playing her piano a 
  >>â?ohatefulâ? experience. Well, we canâ?Tt have that, said I, so off 
I >>went 
 >>to get to the bottom if this problem. Turned out to be something I 
 >>hadnâ?Tt seen before. Can you guess what it was? 
 > 
 >>Cheers, 
 > 
 >>Alan Eder 
 > 
 > 
 > 
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1/10/2007 >>2:52 
 >>PM 
 >

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