Vertical Damper Regulation

Jon Ralinovsky ralinoj@muohio.edu
Thu, 29 Jan 2004 07:35:14 -0800


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Hi Terry,
I've used my Hart spring regulation tool to adjust upright damper 
wires - either pushing or pulling on the damper head while carrying 
out the opposite motion with the tool.  For a better description, see 
the  PACE upright regulation manual.

Respectfully,
Jon


>Did a full damper regulation on a little trashy 1985 Conn console 
>yesterday (first time on an existing action - I've done it several 
>times as part of an action rebuild - way easier when you are 
>starting from scratch). I'm so proud of myself! I think it would be 
>easier to design a new piano! It was a teacher's piano and she said 
>that the dampers had never worked right - jeez-oh-petes - when 
>depressing the sustain pedal, the bass dampers were an inch off the 
>strings before the treble dampers lifted, and on most notes, the 
>spoon engaged the damper lever right at the start of the key stroke 
>- she also commented that the action was heavy. I know I didn't get 
>it to concert-level accuracy, but the whole system ended up pretty 
>darn functional and in the right ballpark. She gave it a try 
>afterwards and remarked that it was now doing what it should.
>
>My question is this: how does one go about bending damper-head wires 
>on verticals without trashing the hammer-butt springs - not that I 
>disturbed a single one of course - but I can see the potential to do 
>that.   ;-)
>
>Terry Farrell


-- 
Jon Ralinovsky
Piano Technician
Department of Music
Miami University
513/529-6548
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