<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 5.50.4522.1800" name=GENERATOR></HEAD> <BODY bgColor=#ffffff> <DIV><FONT size=2>Damper adjustment is a real RPT job  (royal = pain in the tush).</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Here is a procedure I read about in the AMICA = bulletin (automatic musical instrument assoc.)</FONT></DIV> <DIV><FONT size=2>This is basically the way I've been doing = it.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>After adjusting the wires for good damping and = uniform lift from the pedal, set a sample spoon at the beginning and end of each = section in the piano.  Maybe better to set one in the middle as well since = after the action is removed it may not be twisted the same as when bolted = in.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Now wit</FONT><FONT size=2>h the action out, prop = the hammer rest rail to approx half way to the strings.  Now wedge the damper = lift rail till the samples when the wippen is raised moves the hammer and the = damper simultaneously.  Basically the jack should touch the butt at the = same time the spoon touches the damper lever.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>If you are standing facing the back of the = action  and the hammer moves before the damper, bend</FONT></DIV> <DIV><FONT size=2>the spoon towards yourself until they both move at = the same time.  If the damper moves first, bend the spoon away from = you.  A little bend goes a long way.  </FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Check and correct the damper lift rod position at = each sample so that the hammer and damper wink at the same time.  You'll come = out quite accurate.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Decide before you start whether you need a lighter = or heavier touch and choose the timing of the dampers accordingly.  A late = damper will reduce the touch somewhat.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Happy spoon bending!!!!!</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Carl Meyer</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2></FONT> </DIV> <DIV> Original Message ----- </DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A title=Richard.Brekne@grieg.uib.no href="mailto:Richard.Brekne@grieg.uib.no">Richard Brekne</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, March 01, 2001 = 3:06 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: vertical damper springs</DIV> <DIV><BR></DIV>  <P>"Kevin E. Ramsey" wrote: <BLOCKQUOTE TYPE="CITE"> <STYLE></STYLE> Richard brings up an interesting point, and one that I felt that was = missing from this discussion; damper timing. I think that before you go to = the trouble of regulating damper springs, you had better regulate the = spoons first. I've seen situations where the touch was VERY uneven, until = the spoons were regulated. Trouble is, everybody seems to hate doing = that so much that it's usually the last thing that they try. After that, I = would put the action in a cradle, pop the springs out to the side, and see how = they line up. The really strong ones should stick out further than the = rest. Am I all wet? Come one guys, let me have it. I'm a big = boy.</BLOCKQUOTE>Sorry to have let this one lie... grin.. other er... issues seem to have taken = control of the universe for a moment there... all is back in order now... me = hopes anyways.. <P>In anycase.. I agree that many seem (myself included) to shrug away = from regulateing damper spoons.. probably cus the darn things are hidden = from view when doing this, as is usual (and neccessary ??) with the action = installed. I questioned neccessary because I seem to remember seeing something = about a jig and accompanying procedure for doing this job on the bench... anyone = remember anything about this.. or know about it ?? <BR>  <P>-- <BR>Richard Brekne <BR>RPT, N.P.T.F. <BR>Bergen, Norway <BR><A = href="mailto:Richard.Brekne@grieg.uib.no">mailto:Richard.Brekne@grieg.u= ib.no</A> <BR>  </P></BLOCKQUOTE></BODY></HTML>