<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content="text/html; charset=iso-8859-1" = http-equiv=Content-Type> <META content="MSHTML 5.00.2614.3500" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Arnie</FONT></DIV> <DIV><FONT face=Arial size=2>I have had great success heating = the regulating screw with a soldering pencil. Remove the rail if possible = and practical. If the regulating screw is the eyelet type, place the heated = tip of the pencil in the eyelet. Apply a little "turning" pressure. As soon as = it moves, remove the soldering pencil and oscillate the screw a few times . = Placing the pencil on top of the screw will work, also, but you need to be more = careful. Reshape the soldering iron tip to fit the screw slot. Check for rotation = often. Too much heat will leave the screw permanently loose. Good luck!</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Paul Chick</FONT> </DIV> <BLOCKQUOTE style="BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: = 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A href="mailto:arniex@earthlink.net" = title=arniex@earthlink.net>arnie</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = href="mailto:pianotech@ptg.org" title=pianotech@ptg.org>pianotech@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, July 28, 2000 = 8:02 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Frozen or Binding = regulating screws</DIV> <DIV><BR></DIV> <DIV> </DIV> <DIV><FONT face=Arial><SPAN class=310023900-29072000>Hi, List. </SPAN></FONT></DIV> <DIV><FONT face=Arial><SPAN class=310023900-29072000></SPAN></FONT> </DIV> <DIV><FONT face=Arial><SPAN class=310023900-29072000>I have just = finished inspecting the action of an old Hallet & Davis baby grand. (The = serial number seems to have been long ago obliterated but I'm guessing it's = about 60-70 years old.)  The piano was just "rebuilt" but the = "rebuilder" didn't bother to regulate the action. This action isn't a little out, = it's grossly out! Perhaps the reason it wasn't regulated is that most of = the regulating screws are binding so badly I think they would break, or = worse - strip the holes if they were turned any large amount. = </SPAN></FONT></DIV> <DIV><FONT face=Arial><SPAN class=310023900-29072000></SPAN></FONT> </DIV> <DIV><FONT face=Arial><SPAN class=310023900-29072000>I will = shortly be attempting to regulate this action. </SPAN></FONT><FONT = face=Arial><SPAN class=310023900-29072000>I'm looking for any experiences out there = with techniques to free up  binding regulating screws. It has been = suggested that I try pin-point applications of Proteck's Prolube liquid, which I = will. But I would like to have more than one card up my sleeve before I = start this job. Can anyone suggest other approaches?  I thought of  = Liquid Wrench, but would it harm the action?</SPAN></FONT></DIV> <DIV><FONT face=Arial><SPAN class=310023900-29072000>Thanks, </SPAN></FONT></DIV> <DIV><FONT face=Arial><SPAN class=310023900-29072000></SPAN></FONT> </DIV> <DIV><FONT face=Arial><SPAN class=310023900-29072000> <DIV><FONT size=3>Arnie</FONT></DIV> <DIV><STRONG>Arnold D. Moss</STRONG></DIV> <DIV><STRONG>Associate Member, PTG</STRONG></DIV> <DIV> </DIV> <DIV> </DIV> <DIV><A = href="mailto:arniex@earthlink.net">arniex@earthlink.net</A></DIV></SPAN= ></FONT></DIV></BLOCKQUOTE></BODY></HTML>