<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=windows-1252"> <META content="MSHTML 6.00.2900.2722" name=GENERATOR></HEAD> <BODY> <DIV dir=ltr align=left>See my reply to = Susan.</DIV> <DIV dir=ltr align=left> </DIV> <DIV dir=ltr align=left>Del</DIV> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000080 2px = solid; MARGIN-RIGHT: 0px"> <DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left> <HR tabIndex=-1> From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of Greg Newell Sent: September 17, 2005 6:49 AM To: Pianotech Subject: Re: Ok, This is = weird </DIV> = <DIV></DIV>Dave, <X-TAB>       &nbs= p;</X-TAB>That's an interesting thought and a possible resolution to the crisis but it = doesn't answer if anything could or should be done with a warped plate. I may = go back to the call I had last night at my own expense to see if the glide = bolt adjustment will work. I don't mind eating a little for my own = education. I still wonder 1) could this have happened some time after manufacture = and 2) If not, why was this ever sold in the first = place? Greg At 10:22 PM 9/16/2005, you wrote: <BLOCKQUOTE class=cite cite="" type="cite">Greg,   I had this happen on a brand new BB = Mason and Hamlin not so long ago.  I raised the glide bolts, and it = slipped right out.  They'd been cranked WAY down, though I couldn't figure = out why.  The keyframe was up about 1-16 inch higher than it should = have been.      I hope this = helps,   Dave Stahl   In a message dated 9/16/2005 4:14:50 PM Pacific = Standard Time, gnewell@ameritech.net writes: <DL> <DD>Listees, <DD>         I've never encountered this before and now I've seen it twice in <DD>the same week. 2 pianos both from very different manufacturers = and from <DD>different eras coming in to my neck of the woods from 2 = entirely different <DD>climates and regions both have the same problem. I went to = each of these <DD>customers homes and for one reason or another found it = necessary to pull <DD>the action. (Sorry, both are grands). I found that the pin = blocks were <DD>touching the center 2 octave action screws and it was = impossible to pull <DD>the action as we normally due. I was able to pull off the = stretcher on one <DD>of these and found to my surprise that the pin block was = intact. No <DD>delaminations at all which is what I expected to find. Instead = I found <DD>after fishing out one of my most important tools (string) that = the plate <DD>was warped downward in the center by roughly 3/8" or 10 mm = pushing the pin <DD>block into the action. <DD>         If any of you = have ever run in to this problem especially in a <DD>rebuilding capacity, what if anything have you done about it? = I know of no <DD>way to un warp cast iron so I suppose that's out of the = question. Is the <DD>piano scrap now? Is it possible that the warp happened = recently and did not <DD>exist at the time of manufacture? <DD>         FWIW, one of = the pianos is a 70yr old (or there abouts) Henry F. <DD>Miller grand and the other is a 15-20 yr. old Schumann (Samick = product). <DD>The first actually has some potential to be a fine instrument = if it weren't <DD>for the warped plate. The second never was and never will be = anything but a </DD></DL> </BLOCKQUOTE><X-SIGSEP> </X-SIGSEP>Greg Newell Greg's piano Forté <A href="mailto:gnewell@ameritech.net" eudora="autourl">mailto:gnewell@ameritech.net</A> </BLOCKQUOTE></BODY></HTML>