<!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> Oops, got that = backwards (too early out here, uncaffeinated yet).  The rail needs to be = above the level of the tabs when in the rest position so that the rail rotates = above the tabs that have not been lifted but beneath the one(s) that have.  = Anyway, Steinway does sell a gauge.   <div> David Love davidlovepianos@comcast.net </div> -----Original = Message----- From: = pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of David Love Sent: Thursday, November = 10, 2005 6:20 AM To: 'Pianotech<fon= t size=2 face=Tahoma>' Subject: RE: Steinway = Sostenuto Adjustment   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>