<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; = charset=us-ascii"> <meta name=Generator content="Microsoft Word 10 (filtered)"> <style>  </style> </head> <body lang=EN-US link=blue vlink=purple id="role_body" = bottomMargin=7 leftmargin=7 topmargin=7 rightMargin=7> <div class=Section1> That does the = in/out but not the height of the rail.  Steinway sells a nice gauge that can = be used to set the height of the rail relative to the tabs.  Basically, the = bottom of the rail in the rest position needs to be about 1/16” below the = bottom of the tabs.  <div> David Love davidlovepianos@comcast.net </div> -----Original = Message----- From: = pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of Mark Dierauf Sent: Thursday, November = 10, 2005 5:29 AM To: pianotech@ptg.org Subject: RE: Steinway = Sostenuto Adjustment   Years ago an = S&S rep showed us this trick for the sostenuto:  </fo= nt> Remove the = shanks/hammers immediately adjacent to the breaks – on a B this would mean = hammers 1, 20, 21, 51, 52, 68 and 69. This will allow you to see the sostenuto rail = and tabs at the locations closest to the adjustment points using a = flashlight with the action back in place.  </fo= nt> Before sliding = the action back in, loosen the screws and bolts that hold the brackets just enough = to allow the rail to slide in and out when tapped with a screwdriver blade. = With the action in and cheekblocks in place you can use a thin long bladed screwdriver to reach down through the strings and tap the brackets to = position the sostenuto rail correctly.  </fo= nt> Of course the = rest of the system needs to be in at least reasonably good adjustment before you = begin, IOW, good damper regulation, nice straight sostenuto tabs and proper = amount of throw on both sustain and sostenuto pedals.  </fo= nt> - Mark = Dierauf  </fo= nt> -----Original = Message----- From: Piannaman@aol.com [mailto:Piannaman@aol.com] Sent: Wednesday, November = 09, 2005 10:20 AM To: pianotech@ptg.org Subject: Steinway = Sostenuto Adjustment   <div> Liszt,</f= ont> </div> <div>  </f= ont> </div> <div> A manager at a store that I contract for requested that I figure out what = what was wrong with a Steinway B sostenuto pedal.  I should add that = this piano was restrung, refinished, new hammers, etc., but the work was not very = well done. </div> <div>  </f= ont> </div> <div> Turns out, the dowel that goes from trapwork to monkey was not there.  I fabricated a dowel that ended up being level with the keybed in the down position.  I put the action back in and found that the lifting rail = was not regulated properly.  I could not get it right by sliding the = rail in or out.  It either wasn't lifting anything, or it was lifting = everything all of the time.  I did not feel comfortable messing with the = height without any guidelines. </div> <div>  </f= ont> </div> <div> Is there a trick to gauging the height and fore/aft position without using = endless trial and error?  I know this was a recent thread, so I'll check = the archives as time permits, but I wonder if anyone has any handy advice on = this one. </div> <div>  </f= ont> </div> <div> Thanks in advance, </div> <div>  </f= ont> </div> <div> Dave Stahl </div> </div> </body> </html>