Perhaps though the symptoms seem the same, the cause is different. Check the glide bolts - turn them up and see what you get. Check the Samick to see if the action brackets are *growing*. Do any hammers block? If the plate of the Henry F. Miller actually did warp (which seems awfully strange) you perhaps can still save the piano by taking a jack plane and removing some of the pinblock in the middle, till the action clears with the glide bolts set conservatively. Oh, have FUN ... Susan At 07:13 PM 9/16/2005 -0400, Greg wrote: >Listees, > I've never encountered this before and now I've seen it twice in > the same week. 2 pianos both from very different manufacturers and from > different eras coming in to my neck of the woods from 2 entirely > different climates and regions both have the same problem. I went to each > of these customers homes and for one reason or another found it necessary > to pull the action. (Sorry, both are grands). I found that the pin blocks > were touching the center 2 octave action screws and it was impossible to > pull the action as we normally due. I was able to pull off the stretcher > on one of these and found to my surprise that the pin block was intact. > No delaminations at all which is what I expected to find. Instead I found > after fishing out one of my most important tools (string) that the plate > was warped downward in the center by roughly 3/8" or 10 mm pushing the > pin block into the action. > If any of you have ever run in to this problem especially in a > rebuilding capacity, what if anything have you done about it? I know of > no way to un warp cast iron so I suppose that's out of the question. Is > the piano scrap now? Is it possible that the warp happened recently and > did not exist at the time of manufacture? > FWIW, one of the pianos is a 70yr old (or there abouts) Henry F. > Miller grand and the other is a 15-20 yr. old Schumann (Samick product). > The first actually has some potential to be a fine instrument if it > weren't for the warped plate. The second never was and never will be > anything but a P.O.S.P.S.O. Were talking an absolute waste of materials here. > I'd love to hear your thoughts so.... fire away! > >regards, >Greg > >Greg Newell >Greg's piano Forté >mailto:gnewell@ameritech.net >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives
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