<HTML><FONT FACE=arial,helvetica><FONT SIZE=2>In a message dated 1/17/02 1:24:20 PM Central Standard Time, Bigeartb@AOL.COM writes:
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<BR>Six months ago I leveled the keys, set the key height to 11/16", keydip 3/8"
<BR>and regulated a Kimball Studio 1970's model piano. Today ..six months later I
<BR>had to shim the front rail approx 1/8 of inch order for the key dip to be
<BR>again set a 1/8"deep.
<BR>The keyframe was secured to the key bed but over the years according to the
<BR>screw heads, tuners have been removing and tightening these screws. The
<BR>problem must be an old one. It appears the keybed has dropped in the middle
<BR>section. Any thoughts on the cause and how to fix?
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<BR>Thank you
<BR>Tommy Black
<BR>Decatur, Ala.
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<BR>Tommy
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<BR>I had a similar problem with a Kimball piano many years ago. It is the back of the key bed that is flexing. I asked Kimball about it, and they recommended attaching a piece of angle iron under the back end of the keybed, behind the knee board.
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<BR>Wim</FONT></HTML>