[CAUT] Protek and Sluggish Dampers

Thomas Seay t.seay@mail.utexas.edu
Tue, 22 Mar 2005 08:27:45 -0600


Tim,

One of the things they teach at the Steinway damper seminar is that 
many sluggish dampers are caused by excessive side pressure against 
the side of the bushing. If the bushing cloth is properly sized, I 
would check the pressure bend and adjust if necessary.

Best wishes,

Tom

>At 07:54 3/22/2005, you wrote:
>>Conrad,
>>
>>The rail has bushings that are about 10 years old.  They aren't 
>>overly worn and really haven't had problems with sluggishness until 
>>this winter (which hasn't been that harsh).  There were a few that 
>>were suddenly a little sluggish.   I Proteked them.  After about 5 
>>hours, a tuning, and two hours of playing (all included in the 5 
>>hours), they started sticking.
>>
>>I didn't feel reaming was necessary when they have been working 
>>fine for years.  Maybe I misjudged.
>>
>>Tim Coates
>
>
>Reaming would probably be ungood in that situation.
>
>Take one out and try polishing it? Corrosion will grab old bushings 
>as well as gnu.
>
>Are the culprits wedge or block?  If wedge, they might be settling 
>down to an unpolished part of the wire.
>
>Are they hanging up high, not quite seating or slow all the way 
>down?  Maybe the dampers themselves are to blame and serendipity 
>made you think it was the Protek.  I hate to use the words, but 
>Teflon underlevers?
>
>Conrad Hoffsommer - Keyboard Technician
>Luther College, 700 College Dr., Decorah, Iowa 52101-1045
>Vox-(563)-387-1204 // Fax (563)-387-1076
>
>- Right now, I'm hoping to live until my age matches my golf score,
>- Until then, I'll have to be content to have my IQ match my handicap.
>
>_______________________________________________
>caut list info: https://www.moypiano.com/resources/#archives


-- 
Tom Seay
Piano Tech Office
School of Music
The University of Texas at Austin
(512) 232-2072
mailto:t.seay@mail.utexas.edu


This PTG archive page provided courtesy of Moy Piano Service, LLC