<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=us-ascii"> <META content="MSHTML 6.00.2800.1276" name=GENERATOR></HEAD> <BODY> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2>Protek experience : after a few weekswhere the parts seem to be = free the sluggish hammers are totally blocked, then you have to do what was = necessary in the first place, repin. German techs use Ballistol, some (cheapo's)use = WD40 ( the flanges are contamined afterthat, good luck for repinning , changing = them may be necessary)</FONT></SPAN></DIV> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2></FONT></SPAN> </DIV> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2>With humidity it is fairly possible that corrosion is installed on the pin, = (with time also, and that the nicel plaiting is worn).</FONT></SPAN></DIV> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2>No lube can work in this case.unfortunately.</FONT></SPAN></DIV> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2>May be the springs are too weak to help, may be also the action position does = not help the hammer to come back.</FONT></SPAN></DIV> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2>As others have say you have to be sure of where the problem come from in = the first place (and avoid also too free pinning ).</FONT></SPAN></DIV> <DIV><SPAN class=138002810-21122003></SPAN><SPAN = class=138002810-21122003><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </DIV> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2>May be ke keyboard is pushing on the whippens too much and the hammers have = been lightened by filing, then the initially slow action became sluggish.</FONT></SPAN></DIV> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2></FONT></SPAN> </DIV> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2>Repinning is not that long, but all the traveling and aligning = of the hammers afterthat turns it to a larger job that = that...</FONT></SPAN></DIV> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2></FONT></SPAN> </DIV> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2>Hope that helps.</FONT></SPAN></DIV> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2></FONT></SPAN> </DIV> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2>Isaac OLEG</FONT></SPAN></DIV> <DIV><SPAN class=138002810-21122003></SPAN> </DIV> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2></FONT></SPAN> </DIV> <DIV><SPAN class=138002810-21122003><FONT face=Arial color=#0000ff = size=2></FONT></SPAN> </DIV> <DIV> </DIV> <STYLE>  </STYLE> <TABLE cellSpacing=0 cellPadding=0 width=600 border=0> <TBODY> <TR> <TD> <TABLE height=80 cellSpacing=0 cellPadding=0 width=600 = align=right border=0> <TBODY> <TR> <TD class=tiny> <TABLE style="BORDER-RIGHT: #666666 1px solid; BORDER-TOP: = #666666 1px solid; BORDER-LEFT: #666666 1px solid; BORDER-BOTTOM: = #666666 1px solid" height="100%" cellSpacing=0 width=600> <TBODY> <TR bgColor=#ffffff> <TD class=tiny width="100%" height=1> <TABLE cellSpacing=0 cellPadding=1 width="100%" = border=0> <TBODY> <TR> <TD class=logotext style="PADDING-LEFT: = 5px"></TD> <TD class=noro style="PADDING-RIGHT: 5px; = FONT-SIZE: 7pt" = align=right>Pianotech</TD></TR></TBODY></TABLE></TD> <TD class=tiny></TD></TR> <TR> <TD colSpan=2> <TABLE height="100%" cellSpacing=2 width="100%" = align=right border=0> <TBODY> <TR style="PADDING-BOTTOM: 4px" height=1> <TD class=noro style="PADDING-LEFT: 4px" vAlign=top><B>Isaac OLEG</B><BR><I>accordeur - = reparateur - concert</I> </TD> <TD class=noro style="PADDING-RIGHT: 4px" = vAlign=top align=right>19 rue Jules Ferry<BR>94400 VITRY = sur SEINE </TD></TR> <TR height=1> <TD class=noro style="PADDING-LEFT: 4px; PADDING-BOTTOM: 4px" vAlign=bottom><A class=psl = href="mailto:oleg-i@noos.fr" target=_blank>oleg-i@noos.fr</A> </TD> <TD class=noro style="PADDING-RIGHT: 4px; PADDING-BOTTOM: 4px" vAlign=bottom align=right> <TABLE cellSpacing=0 align=right border=0> <TBODY> <TR> <TD class=noro noWrap align=right>tel: = <BR>fax: <BR>mobile: </TD> <TD class=noro style="PADDING-LEFT: 4px" = noWrap align=right>033 01 47 18 06 98<BR>33 01 47 = 18 06 90<BR>033 06 60 42 58 77 = </TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></T= ABLE></TD> <TD></TD></TR></TBODY></TABLE></TD></TR> <TR> <TD class=tiny colSpan=2> <TABLE cellSpacing=0 cellPadding=0 width="100%"> <TBODY> <TR> <TD align=left><A class=brand = href="http://www.plaxo.com/signature" target=_blank><I>Powered by Plaxo</I></A></TD> <TD align=right><A class=brand = href="http://www.plaxo.com/signature" target=_blank><I>Want a signature like this?</I></A></TD></TR></TBODY></TABLE></TD></TR> <TR> <TD align=middle colSpan=2><A class=brand = href="https://www.plaxo.com/add_me?u=12885059450&v0=310641&= k0=119568798" target=_blank><I>Add me to your address book...</I></A></TD></TR></TBODY></TABLE> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px = solid"> <DIV class=OutlookMessageHeader dir=ltr align=left><FONT = face=Tahoma size=2>-----Message d'origine-----<BR><B>De :</B> pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]<B>De la = part de</B> Alpha88x@aol.com<BR><B>Envoyé :</B> dimanche 21 = décembre 2003 05:32<BR><B>À :</B> = pianotech@ptg.org<BR><B>Objet :</B> slow returning hammers<BR><BR></FONT></DIV><FONT = face=arial,helvetica><FONT lang=0 face=Arial size=2 FAMILY="SANSSERIF" = PTSIZE="10">Greetings,<BR><BR>      &nbsp= ;     I went to a home where there was a Chickering console piano that the = hammers return at a snail's pace after the key is struck. I suggested that the = hammer bushings around their center pins may be swelled due to humidity = resulting in tightness and friction causing the slow motion return.  He had a = heater bar in the piano and I suggested that he plug it in to dry up some = moisture. He did. Two weeks later he calls and tells me it only helped allittle = and the thing is still unplayable. = <BR><BR>          &nbsp= ;  I am thinking that the only thing left to do is to bring the action = home and put it near a radiator so they dry out, and give each pin a shot of = protek. Any other suggestions? <BR><BR>thanks,<BR>Julia Gottchall,<BR>Reading, = PA <BR><BR><BR><BR><BR></BLOCKQUOTE></FONT></FONT></BODY></HTML>