<div dir="ltr">Garret, There's plenty in the archives in answer to your question. Below I have copied one of protocols:<br><br><div> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light""><b>Yamaha vertical flange cord replacement procedure</b></span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light""><b> </b></span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">Decide if repining is in order before removing hammers from rail.</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">Check hammer travel and mark the top of the butt with chalk for which side to apply paper on reassembly.</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light""> </span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">Apply a CLP to the bridle wire ends and remove the straps. Remove the hammer rest rail treble pivot arm</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">and remove the rest rail. Remove the hammers/flanges, number each and separate.</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">Be careful not to press down on the wippens causing the damper spoon to bend.</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light""> </span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">File the hammers on an oscillating spindle or drum sander. Optional: taper hammers.</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light""> </span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">44mm cord length: wrap the cord around a dowel or piece of cardboard of a dimension to get 44mm</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">when the cord is sliced along the length.</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light""> </span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">Secure each flange in a vise to clean the grooves (a hacksaw blade works well), do the set.</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">Glue cord end onto one side of the flange 10mm; entire set. The glue will be set to install</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">the other side from the beginning. Use PVC-E or some other white glue.</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light""> </span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">Before the flanges are reconnected it's a good time to apply Teflon powder to the butts in groupings.</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light""> </span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">Reassemble butts and flanges, install on action rail with travel paper as marked,</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">install hammer rest rail, reconnect bridle straps. Wipe off any chalk marks with dampened cloth.</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light""> </span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">Spring tension: 40 grams measured at the spring is roughly equivalent to 20 grams measured at the flange.</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">The angle between the arms is around 90 degrees.</span></p> <p class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light""> </span></p> <p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light"">Another procedure can be found here: (see photo at end):</span></p> <p class="MsoNormal"><span style="font-size:10.0pt;font-family:ArialMT"><a href="https://www.moypiano.com/ptg/pianotech.php/2006-December/198869.html"><span style="font-family:"Abadi MT Condensed Light";color:#004AF1">https://www.moypiano.com/ptg/pianotech.php/2006-December/198869.html</span></a></span><span style="font-size:10.0pt;font-family:"Abadi MT Condensed Light""></span></p> <div class="gmail_quote">On Tue, Jul 15, 2008 at 12:29 PM, Garret Traylor <<a href="mailto:hpp@highpointpiano.com">hpp@highpointpiano.com</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> <div lang="EN-US" link="blue" vlink="purple"> <div> <p>Hey any of you Authors,</p> <p>In all my years I have never done this procedure.  What is your take on "How to replace Butt Flange Cord and Butt Spring"</p> <p><br></p></div></div></blockquote></div></div></div>