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<BODY class=hmmessage bgColor=#ffffff>Check spring tensions and timing before adding weight. Damper lever spring tension and timing can increase weight dramatically as well as hammer return springs. Check damper springs by feel comparing with pedal engaged versus not. Check hammer return springs by feel by lifting the wippen slightly to make sure the bridal strap isn't tugging on the hammer first. <br/><p>David Love<br/>www.davidlovepianos.com<br/>(sent from bb)</p><hr/><div><b>From: </b> "Patrick C. Poulson" <pcpoulson@sbcglobal.net>
</div><div><b>Sender: </b> pianotech-bounces@ptg.org
</div><div><b>Date: </b>Fri, 13 May 2011 06:59:21 -0700</div><div><b>To: </b><pianotech@ptg.org></div><div><b>ReplyTo: </b> pianotech@ptg.org
</div><div><b>Subject: </b>[pianotech] Knabe Upright Touchweight</div><div><br/></div>
<DIV><FONT face=Arial>Good Morning: some friends of mine bought a Knabe studio
of recent manufacture which has a very heavy touchweight. The TW is over 80
grams in most of the piano. After checking for tight keys, tight flange centers,
and any of the other usual causes of heaviness, I came to the conclusion
that having no weighting in the keys is the cause. I am planning to go back and
weight the keys. Is there something I am missing here that might be a cure for
this condition besides addign lead?</FONT></DIV>
<DIV><FONT face=Arial>Thanks,</FONT></DIV>
<DIV><FONT face=Arial>Patrick C. Poulson<BR>Registered Piano
Technician<BR>530-265-1983</FONT></DIV></BODY></HTML>