>To: Pianotech <pianotech@ptg.org> >From: Yamaha Piano Centre <baldyam@sasktel.net> >Subject: Fwd: Re: No Glide Bolts > >> >>Hi Ric, >> I assume this is a hardwood action frame. >>Saw kerfing the front rail, top and bottom is the answer. I use a good >>Tenon saw, and cut about half way through the rail >>If it is bowed up at either end. Then the bottom saw kerfs are left >>open, and the top saw kerfs have a shim glued in place to force the ends >>of the rail down. >> >>Heavy sanding of the front rail can lead to switching the problem to the >>balance rail. So fix the rail that is causing the problem. >> >>The installation of glide bolts is probably more trouble that it's >>worth. The complete fitted action rails, have an advantage of far less >>action saturation than the glide bolt type. So think before you cut. >> >>Regards Roger >> >> >> >>At 05:18 PM 11/13/02 +0100, you wrote: >>>Hi folks >>> >>>Just started an action rebuild today on a Malmsjų from 1936 >>>- 37. The action has no glide bolts of any kind, and there >>>is nothing in the keybed to serve that function either. >>>Front rail is knocking pretty bad so I will want to make >>>that right for sure. But I was thinking perhaps it might be >>>a good idea to install glide bolts. There seems to be plenty >>>of room to do so. >>> >>>Anyone run into this before. Sounds pretty straight forward >>>but I'd thought I'd check with ya'all to be sure. >>> >>>RicB >>> >>>-- >>>Richard Brekne >>>RPT, N.P.T.F. >>>UiB, Bergen, Norway >>>mailto:rbrekne@broadpark.no >>>http://home.broadpark.no/~rbrekne/ricmain.html >>> >>> >>>_______________________________________________ >>>pianotech list info: https://www.moypiano.com/resources/#archives >>
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