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Hi Wim,
Sounds like the hammer rail has been installed in the wrong
position. (Rotated towards the back of the action) Screw a few balance
rail punching's under the rear action bracket feet, to diagnose.
If the piano is under warranty, get them to fix it. Fudging the hammer
line/ dip is one possible solution. Shimming the rear feet. And or a
little of both. But it is still a cheater fix.
Regards Roger
At 11:02 AM 8/19/02 -0400, you wrote:
>I regulated a B Friday, and now there are about 3 or 4 notes in the octave
>just above the break where the jack is hitting the hammer flange on a hard
>blow. Upon close inspection, when I bring the wippen up, I can make the
>top of the jack touch the bottom of the hammer flange on some of the
>notes, but not on others. I can't seem to figure out why it is doing it.
>What makes the jack stop it's upward motion when the wippen is pushed up?
>
>Wim
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