<!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 6.00.2900.2604" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY id=role_body style="FONT-SIZE: 12pt; COLOR: #000000; = FONT-FAMILY: Verdana" bottomMargin=7 bgColor=#ffffff leftMargin=7 topMargin=7 = rightMargin=7> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>I had a problem with a console piano = that was similar.  I put small jiffy leads on the back of the keys.  = Solved the problem.   BUTTTTT, now several years later I think it may = have been tight action centers on the whippen.  Since it obviously worked = when new, I doubt that drying out of the keys would cause that much of a problem, = but if the whippen flange were creating drag the whippen would not be free enough = to push the back of the key down.  Just a few grams of friction would cause = that problem.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Carl Meyer PTG assoc<BR>Santa Clara, Ca.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2></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=pierre.gevaert@belgacom.net href="mailto:pierre.gevaert@belgacom.net">Pierre Gevaert</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">Pianotech</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, March 24, 2005 = 12:59 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Bergman upright = action problems</DIV> <DIV><BR></DIV> <DIV><FONT face=Arial size=2>En principe c'est possible  Pierrot</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=Piannaman@aol.com href="mailto:Piannaman@aol.com">Piannaman@aol.com</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> Wednesday, March 23, = 2005 7:39 AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Bergman upright = action problems</DIV> <DIV><BR></DIV><FONT id=role_document face=Verdana = color=#000000 size=3> <DIV> <DIV>Bruce,</DIV> <DIV> </DIV> <DIV>The problem is that there is too much weight in the front of = the keys for the weight of the action and spring tension combined to push the = key back into place no matter how much lost motion I take out of it (I = removed all I should have needed to and then some).  This is not a = garden variety regulation problem, unfortunately.  </DIV> <DIV> </DIV> <DIV>Dave Stahl</DIV> <DIV> </DIV> <DIV>In a message dated 3/22/05 9:13:14 PM Pacific Standard Time, justpianos@our.net.au writes:</DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px = solid"><FONT style="BACKGROUND-COLOR: transparent" face=Arial = color=#000000 size=2>Hi,<BR>Missed the first part of this message, so this may = be irrelavent, but assume <BR>this is an upright.<BR>Hence hammers = should not be of the rail at all, and jacks should not have to <BR>force = themselves under hammer butts as a gap should exist for this. Even in a = <BR>grand the jack doesn't support the hammer roller, so regulation is at fault.<BR>Bruce Browning - The Piano Tuner<BR><BR><BR><BR><BR>Piannaman@aol.com said:<BR><BR>> Some = pianos should just never be made....<BR>>  <BR>> I think these = are made in the Chinese Young Chang plant.  They look  = <BR>> suspiciously like those little 107 jobbers that break jack springs = from <BR>time to  time.<BR>>  <BR>> First ("free") = tuning presented a plethora of problems(Am I almost as  <BR>> = allitertive as Alan:-).  The hammers were a good half inch off the = rail,  <BR>keys were <BR>> tight, yada, yada, yada....<BR>>  = <BR>> The REAL problem was that the keyboard is so poorly weighted that there  is <BR>> so much downweight in the black keys at = either end of the  keyboard that <BR>the <BR>> action weight and = springs can't hoist them back into  position, with damper <BR>> = pedal on or off.<BR>>  <BR>> I didn't take readings, but I could = feel huge weight differences from  one <BR>> key to the = next.  After everything was regulated as well as  possible, keys = <BR>> eased, keypins lubed, the jacks still could not force their  = way back under <BR>the <BR>> butts, despite a healthy dose of teflon powder...<BR>>  <BR>> I stretched the jack springs to = increase tension, though if  I had time I'd <BR>> have replaced = them with stronger ones.  This seemed to get  the thing to = <BR>> function.<BR>>  <BR>> Short of pulling leads out of the = fronts of the keys, any other ideas  <BR>> helping this action?<BR>>  <BR><BR>> <BR></FONT></BLOCKQUOTE></DIV> <DIV></DIV> <DIV> </DIV></BLOCKQUOTE></BLOCKQUOTE></FONT></BODY></HTML>