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<DIV><FONT face=Arial size=2>I have had the same problem. The solution was your
tip about the key dip. The drop action with wood stickers have a short wire at
the top where the capstan is connected. This short wire or the fork at the end
of the key get bent. Who knows how? Little fingers between the lower panel or
whatever. Try checking the short wire or the fork for bends,... straighten them,
this gives the proper keydip. Adjust the capstans and that should do
it. It did mine!</FONT></DIV>
<DIV><FONT face=Arial size=2>Carlos Ralon, RPT</FONT></DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=michelle@smithpianoservice.com
href="mailto:michelle@smithpianoservice.com">Michelle Smith</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=pianotech@ptg.org
href="mailto:pianotech@ptg.org">'Pianotech List'</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, January 24, 2007 1:51
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> RE: jack not returning on high
treble</DIV>
<DIV><BR></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Hi David and all who
have made suggestions. Yes, I flicked those jacks to make sure the
spring was still strong enough. To be very specific, here are the tests
I did and they come from the PTG Technical Source Book. Fern Henry’s
article, <I><SPAN style="FONT-STYLE: italic">Diagnosing Repetition Problems in
Vertical Pianos.</SPAN></I> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<OL style="MARGIN-TOP: 0in" type=1>
<LI class=MsoNormal style="COLOR: navy; mso-list: l0 level1 lfo1"><FONT
face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I checked for slow hammer return
by moving the hammer rest rail forward and back. (No slow
hammers.)<o:p></o:p></SPAN></FONT>
<LI class=MsoNormal style="COLOR: navy; mso-list: l0 level1 lfo1"><FONT
face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I checked for lost motion by
pulling on the hammer rest rail. (There was some lost
motion.)<o:p></o:p></SPAN></FONT>
<LI class=MsoNormal style="COLOR: navy; mso-list: l0 level1 lfo1"><FONT
face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I checked the wippen centers by
holding the keys down at the back and lifting each wippen with the other
hand. (Every wippen was fine.)<o:p></o:p></SPAN></FONT>
<LI class=MsoNormal style="COLOR: navy; mso-list: l0 level1 lfo1"><FONT
face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I checked each jack by
depressing the soft pedal and tripping each jack. (They were happily
snappy.)<o:p></o:p></SPAN></FONT>
<LI class=MsoNormal style="COLOR: navy; mso-list: l0 level1 lfo1"><FONT
face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I checked the keys by raising
the wippens below the key bed (remember it’s a drop action) and tapping the
rear of each key. (Key travel was fine. No friction at balance
rail or front rail. They were actually very
loose.)<o:p></o:p></SPAN></FONT> </LI></OL>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">The reason this is
throwing me for a big loop is because the action parts “seem to be fine” and
the keys “seem to be fine”. Something isn’t right. To add to the
weirdness, it is only the notes without dampers!<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">In this same thread
Paul suggested the following:<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">“Try reducing the
hammer blow by shimming the hammer rail with punchings and see what happens.
If it has any effect, then make it a permanent repair on the hammer rail, and
accept the blow distance as the necessary compromise for the time
being.”<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I tried that and the
jack still tripped out and wouldn’t return. <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">The only way I could
get the notes to repeat was to adjust the let off so that the note was
practically blocking against the string. By doing this, the jack wasn’t
actually coming out from under the hammer butt and the feeling when playing
the notes was totally wrong. So adjusted them back to their original
non-functioning position, and called it a day! =)
<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">The more I’m typing,
the more I think it has to be the key dip problem. I think I better go
sleep on this one. <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Keep those
suggestions coming!<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Michelle
Smith<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT
face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P class=MsoNormal><B><FONT face=Tahoma size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">
pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] <B><SPAN
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>David Ilvedson<BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Tuesday, January 23, 2007 11:15
PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B>
pianotech@ptg.org<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B>
RE: jack not returning on high treble</SPAN></FONT><o:p></o:p></P></DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-BOTTOM: 12pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> The dampers help return
action parts to rest...not their design necessarily...you will need to get the
dip the same and probably need a slight bit of lost motion...adjust and cycle
action slowly to see that jack returns. Of course you have flicked
jacks to make sure the jack spring is strong enough or jack center isn't
tight<BR><BR>David Ilvedson, RPT<BR><st1:place w:st="on"><st1:City
w:st="on">Pacifica</st1:City>, <st1:State w:st="on">CA</st1:State>
<st1:PostalCode
w:st="on">94044</st1:PostalCode></st1:place></SPAN></FONT><FONT
color=navy><SPAN
style="COLOR: navy"><o:p></o:p></SPAN></FONT></P></DIV></BLOCKQUOTE></BODY></HTML>