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Paul McCloud wrote:
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<div>Hi, Thomas:</div>
<div> Hard to diagnose damper problems over the 'net. But, I'll
take a stab... </div>
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<br>
In this case, it's hard to diagnose damper problems <i>in person!</i>
Even with the advice of a couple of Fazioli technicians. Thanks to all
for your ideas. Any observations about damper anomalies, especially
when the hammers are striking only two strings, are requested.<br>
<br>
I hope to have more info after next visit.<br>
<br>
Tom Cole<br>
<blockquote cite="mid380-22008731664233312@earthlink.net" type="cite">
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<div>I'd check to see if the dampers ride in the bushings without
excess friction. Remove the action and lift the dampers with your
finger. Do they fall and make a thump on the strings? If they fall
slowly, you might see if they lean too heavily to one side and cause
excess friction. Or the bushings may be swollen. Are the strings
level? Are the damper heads directly over the strings, and do the
damper felts meet the wires simultaneously when the key is
released? Are these trichord dampers with flat pads in front or back?
If the dampers have both trichord and flat felt, see if the flat part
is sitting on the strings, or held up with the wedges. I assume
agraffes in this section, no?</div>
<div> If the action shifts too far, perhaps the key end felt is
rubbing adjacent damper underlevers.</div>
<div> Sometimes buzzing can come from hard, glue-soaked bushing
felt. When the dampers contact the string, the wire buzzes on the hard
felt in the bushing.</div>
<div> More info?</div>
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