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Mark,
<p>Have you contacted Pianotek? They should be alerted about the
problem, at least. I hope you'll be able to find a lubricant that
will provide a long-term benefit.
<p>Regards, Clyde
<p>Mark Dierauf wrote:
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<div class="MsoNormal"><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'></span><font face="Arial"><font size=-1>In
the past year I installed two sets of “Miracle <span class=SpellE>Wips</span>”,
made by <span class=SpellE>Tokiwa</span> via <span class=SpellE>Pianotek</span>.
Both sets quickly developed fairly noisy squeaks where the rep lever spring
slides in the slot on the underside of the lever. I tried clear Teflon
and <span
class=SpellE>protek</span>, both on the spring and in the
slot, which originally had painted on graphite. The springs are clean,
and don’t appear to have any loose or missing plating or corrosion, and
I’ve looked with a microscope. Both pianos are in humidity-controlled environments.
Both these sets are also plagued by “Suddenly Tight Center-Pin Syndrome”
with friction jumping from 2 – 3 grams to 20 – 30 grams! After just spending
several hours each on both pianos, pulling every <span class=SpellE>wip</span>
and checking/repining flanges & jacks and lubing all the slots, the
customer calls back to say: “Its baa-<span class=SpellE>ack</span>!”<span style='mso-spacerun:yes'></span>Has
anyone ever run across this on any piano and found a permanent solution?</font></font><o:p></o:p></span></div>
<p class="MsoNormal"><span style='font-size:10.0pt;
font-family:Arial'><o:p></o:p></span>
<p class="MsoNormal"><span style='font-size:10.0pt;
font-family:Arial'><font face="Arial"><font size=-1>-
Mark</font></font><o:p></o:p></span></div>
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