<!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 6.00.2800.1126" name=GENERATOR></HEAD> <BODY> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=320123718-11042003>Hello,</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=320123718-11042003></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=320123718-11042003>some of the old Apsco sets have been sold in Europe if you are looking for = them !</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=320123718-11042003></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=320123718-11042003>When using the long center pin with a roughened part, the roughened part is = on size more than the original env. I use another one for burnishing. Having the = two on one tool would be very convenient. </SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=320123718-11042003></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=320123718-11042003>I was instructed to use long center pins for pinning jobs, they are cheaper = than pre cut ones, and burnish the felt when inserted, but can only be used for = some vertical pianos (too hard to pass thru the Birdseye a 20 cm long center pin)</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=320123718-11042003></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=320123718-11042003>I have used pure Naphtha to clean old = gummy (German >> Ballistol or such) residue that is too often find on = old flanges. I always find that the felt is really brittle after that, and = the pinning is taking too much play fast. that is why I advertise against = the use of oily products in the flanges, I guess they tend to became paraffin = like with time, and mixed with dust , make really a mess.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=320123718-11042003></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=320123718-11042003>I guess there is some lanolin initially in the felt, and it is destroyed = with the naphtha.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=320123718-11042003></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=320123718-11042003>In Europe we can ask ABEL (or RENNER) to rebush old flanges for a not too = high price , I did not use that service yet, new flanges if possible are = probably the only solution.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=320123718-11042003></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=320123718-11042003>Rebush a set is still a very long job - do some have done it efficiently ?</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=320123718-11042003></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=320123718-11042003>A last question : do you know what product is used initially for pinning on = KAWAY , if some ?</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=320123718-11042003></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=320123718-11042003>Best Regards.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=320123718-11042003></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=320123718-11042003>Isaac OLEG</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=320123718-11042003></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=320123718-11042003></SPAN></FONT> </DIV> <DIV> </DIV> <P><FONT size=2>Isaac OLEG<BR><BR>Entretien et réparation de pianos.<BR><BR>PianoTech<BR>17 rue de Choisy<BR>94400 VITRY sur SEINE<BR>FRANCE<BR>tel : 033 01 47 18 06 98<BR>fax : 033 01 47 18 06 = 90<BR>cell: 06 60 42 58 77 </FONT></P> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px = solid; MARGIN-RIGHT: 0px"> <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> Donald Mannino<BR><B>Envoyé :</B> vendredi 11 avril = 2003 20:30<BR><B>À :</B> Pianotech<BR><B>Objet :</B> Re: = Broach roughness - Was: Repinning flanges<BR><BR></FONT></DIV><FONT = size=3>Clyde,<BR><BR>You are right - the old APSCO broaches were really nasty, with the rough = area knurled and much too agressive.  Hopefully Schaff threw them all = out when theybought APSCO, but I don't realyl know.  The rough area is = supposed to be subtly rough, with something like the grit of fine sandpaper, maybe = 320 grit or finer.  The point is that the felt should not be chewed = up when reaming, and the reaming area should not be larger than the smooth = area, or the smooth area would not do a good job of burnishing the = cloth.<BR><BR>If the broach gets clogged up, the cloth has very likely been lubricated with = something that has become gummy.  I run into this sometimes, and = it immediately throws up a red flag.  If the cloth is gummy and = sticky, there's a very good chance that reaming and repinning is not going to = be a permanent solution.  The gumminess will rear it's ugly head = again, and the action will go sluggish.  In this case you might consider = cleaning all the bushings with naptha, then keeping a cloth nearby to clean the = broach occasionally.<BR><BR>With clean dry bushing cloth, a quick tap on the = edge of the workbench is all that is needed to shake out any wool dust that = has accumulated on the broach.  I have had broach sets that were used = to do many, many sets of action parts that kept working like new.<BR><BR>Don = Mannino<BR><BR>At 06:45 AM 4/11/2003 -0400, you wrote:<BR> <BLOCKQUOTE class=cite cite="" type="cite">Friends,<BR><BR>I = discovered quite by accident at a PTG convention, when looking over = tools,<BR>that the rough part of broaches can be quite different.  I have used the = same<BR>set for years, and the rough part is not rough enough to = "clog up."  They<BR>always worked fine for me.<BR><BR>But I came = across a set that was so rough that it looked to me like they stood<BR>a good = chance of removing too much felt.  I would be afraid to use them unless<BR>someone else looked at them and said, "Oh, yes, that's the = way my set is, and<BR>they work fine."  I'm not going to buy such a = set just to try it out.<BR><BR>Regards,<BR>Clyde<BR><BR>David Love = wrote:<BR><BR>> In the process of repinning the action using broaches, I found that the<BR>> roughened part of the broach kept clogging with felt = which reduced it's<BR>> cutting = efficiency.<BR><BR>_______________________________________________<BR>pia= notech list info: <A href="https://www.moypiano.com/resources/#archives" = eudora="autourl">https://www.moypiano.com/resources/#archives</A> = </FONT></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>