Replace all of them. Experience will teach you that if a few are broke, chances are good that more will break soon after. Don't be penny wise/ pound foolish. Tom Servinsky ----- Original Message ----- From: "Jean and David Weiss" <djweiss at ntelos.net> To: "'Pianotech List'" <pianotech at ptg.org> Sent: Friday, May 02, 2008 6:51 PM Subject: threads in wippens > List, > > I'm working on a 1930's Harrington baby grand. It has the type of wippen > where the springs are held in place by a thread. About 10 of these > threads > are broken. No big deal to fix them, but I'm wondering what to expect in > the future. How long can these threads last? Should I go ahead and > replace > them all, or just fix the 10 already broken and move on? Is it like the > old > plastic elbows, where once a few start breaking you know they're all going > to break? > > Thanks, > > David Weiss > > >
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