<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>RE: Keyframe Bedding</title> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"/> <style type="text/css">  </style> </head> <body> <blockquote type="cite"> <p align="left">The cheekblocks are in and tight, right?<br/><br/>David Ilvedson, RPT<br/>Pacifica, CA 94044<br/><br/></p> <div style="padding-right: 5px; padding-left: 5px; padding-bottom: 5px; border-left: #000000 3px solid; padding-top: 5px"> <hr/>Original message<br/>From: "Jon Page" <jonpage@comcast.net> </jonpage@comcast.net><br/>To: pianotech@ptg.org<br/>Received: 7/7/2008 6:18:15 PM<br/>Subject: Keyframe Bedding<br/><br/> <blockquote type="cite"> <p align="left"><font face="Arial" color="#000000">I'm a little confused by the dimensions you give. You set the caliper for</font></p> </blockquote> <blockquote type="cite"><font face="Arial" color="#000000">.015 to .020 clearance, turn bolts up until the keys touch. Then you say</font></blockquote> <blockquote type="cite"><font face="Arial" color="#000000">.010 is sufficient. Do you go for a range of .010 to .020?</font></blockquote> <div><br/></div> <div>Depending on the length of the key, you get differing key height effect from</div> <div>stressing the frame. Start conservatively with .010".  Apply lift and tap the rail,</div> <div>if knocking persists turn the bolt a little more then check your height for the</div> <div>amount to set the next one, it might go to .010 or .020 +.   It was on the ends</div> <div>of this key frame that it could only take a .010" rise as a little more and the</div> <div>front rail knocked.</div> <x-sigsep> </x-sigsep>  <pre>-- </pre> <div><br/>Regards,<br/><br/>Jon Page</div> </div> </blockquote> </body> </html>