<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html xmlns:o="urn:schemas-microsoft-com:office:office" = xmlns:w="urn:schemas-microsoft-com:office:word" = xmlns="http://www.w3.org/TR/REC-html40"> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; = charset=us-ascii"> <meta name=ProgId content=Word.Document> <meta name=Generator content="Microsoft Word 10"> <meta name=Originator content="Microsoft Word 10"> <link rel=File-List href="cid:filelist.xml@01C5FCFE.EC2BE6C0">  <style>  </style>  </head> <body lang=EN-US link=blue vlink=purple = style='tab-interval:.5in' id="role_body" bottomMargin=7 leftmargin=7 topmargin=7 rightMargin=7> <div class=Section1> Dale<o:p></o:p></= span> <o:p> </o:p> What ratio of alcohol to water do = you use? Do you start with 70% Isopropyl?<o:p></o:p> <o:p> </o:p> <div> Dean<o:p></o:p></fon= t> Dean May       &nbs= p;     cell 812.239.3359<o:p></o:p> PianoRebuilders.co= m   = 812.235.5272<o:p></o:p> Terre Haute = IN  = 47802<o:p></o:p> </div> <o:p> </o:p> -----Original = Message----- From: = pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of Erwinspiano@aol.com Sent: Friday, December = 09, 2005 7:40 PM To: pianotech@ptg.org Subject: Re: FT.com = article <o:p> </o:p> <div> <div>  </f= ont> Mark<o:p></o:p> </div> <div>   Well it just seems that now & again every body has a set of shanks = that tighten up & its' not just Renner. WHy is always the question & = usually without difinitive answers but A dilute solution of Alcohol & water = is my first choice remedy to reduce friction followed perhaps by silicone oil = mixed about 10 to 1 with tolulene. If this doesnt' work then re- pinning = is the remedy. A production line approach to this can usually get the job done = in 3 to 4 hours & you can then be sure of the frictions. Hey the tone may = even improve some<o:p></o:p></spa= n> </div> <div>   Dale Erwin<o:p></o:p></spa= n> </div> <blockquote style='border:none;border-left:solid blue = 1.5pt;padding:0in 0in 0in 4.0pt; margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt'> encountered something similar this = past August, during a spell of particularly high humidity. The piano was a = recently rebuilt S&S B with Renner shanks, and although they are usually fine = I found that on the day I was there many of them were seized right up = (less than one swing). The owner has a high-end home recording studio with a = session scheduled for the next morning, and I had luckily stopped that afternoon = to check the piano just to make sure that nothing other than tuning would = be necessary. We removed the action to his finished basement, put it next = to the dehumidifier, and when I returned in the morning to tune, all was fine. = <o:p></o:p> <o:p> </o:p> - Mark Dierauf<o:p></o:p> </blockquote> </div> <div>  <o:p></o:p= > </div> </div> </body> </html>