GotonehereinGeorgiaforya. Euphonious Thumpe --- On Mon, 6/9/08, Ron Nossaman <rnossaman at cox.net> wrote: > From: Ron Nossaman <rnossaman at cox.net> > Subject: Re: Henry Miller-reprise > To: "Pianotech List" <pianotech at ptg.org> > Date: Monday, June 9, 2008, 11:34 AM > > I tried using the original holes a couple of times but > since have > > started filling them and redrilling. Fill them with > an epoxy/wood flour > > type mixture. That allows you to mark the new hole > exactly centered > > using a centering punch using the plate as a guide. > Using Ron’s jig or > > a drill with a bubble (bull’s eye type) you can get > things very close > > without having to enlarge any holes. Filling the old > holes and > > redrilling gets a much better fit for the socket > screws and it’s not > > necessary to tap (in fact with epoxy fillers I > wouldn’t recommend it). > > Just drill the holes 1/16” smaller than the socket > screws and let them > > cut their own threads. > > > > David Love > > Yes, and after drilling the holes, counter bore them so the > > lock nut can go down flush with the soundboard surface when > > you install the bolts. You don't want to get the piano > strung > and then discover that you need to lower the plate tail a > bit > for bearing, but can't because of the nut. That sort of > > negates the overall convenience of the system. > > Ron N
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