Damper problem-Bench regulation

Howard S. Rosen hsrosen@emi.net
Fri, 12 Sep 1997 14:32:03 -0400


important reminder - dampers should first be adjusted to the pedal before
doing the spoons.

----------
> From: PDtek@aol.com
> To: pianotech@ptg.org
> Subject: Re:  Re: Damper problem-Bench regulation
> Date: Friday, September 12, 1997 12:35 AM
> 
> >Adjust the damper spoon.  I know it is a "blind technique" but with
practice
> >you can do it.  Sometimes if I cannot reach the spoon blindly, I will
remove
> >the bracket bolts and tip the action in order to see the spoon.  Then I
> .adjust the spoon with a wire bender.  At least it gets me into the
ballpark.
> 
> >This also makes and interesting discussion.  There are techniques to set
> >samples and adjust the spoons on the bench.  Let the discussion begin!
> 
> >Dave Peake, RPT
> >Portland, OR
> 
> The bench method of regulating spoons found in Reblitzes' book works
great
> and goes like this- Find one damper that lifts correctly and mark that
> sample. Remove the action and place it on the bench so you are facing the
> damper side. With your finger, lift up the wippen corresponding to the
marked
> damper and note when the hammer and damper start to lift. At the end of
the
> lift rod, use a wedge to prop up the rod to what ever position is
required so
> that the hammer and damper of the marked sample lift a exactly the same
time.
> With the rod in that position, simply bend each spoon so that the damper
and
> hammer lift at the same time like the sample.
> 
> Dave Bunch


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