Thanks for the tips. When I return to the school, I will use them. Arlie On Mar 31, 2009, at 3:59 AM, pianotech-request at ptg.org wrote: > -----Original Message----- > > Why would the same string keep breaking? > > I service a Kawai upright model NS-20A made in 1991. The longer > wound string for F21 has broken repeatedly the last few years--always > the same string. The hammer seems perfectly mated to the strings. I > lightly filed the bar in case something was kinking the string there, > so we'll see if that helps. > > The piano otherwise seems to be getting looser. It doesn't hold its > pitch as well as it previously did. And its plastic dowel capstans > are so loose that I need to frequently adjust them. > > Arlie Rauch > Glendive, MT > > ------------------------------ > > Message: 5 > Date: Tue, 31 Mar 2009 00:01:56 -0400 > From: wimblees at aol.com > Subject: Re: [pianotech] Repeat breakage > To: pianotech at ptg.org > Message-ID: <8CB7FCC9192767C-52C-1E29 at webmail-da09.sysops.aol.com> > Content-Type: text/plain; charset="us-ascii" > > Arlie > > Capstans that need to be adjusted frequently, and repeated string > breakage, might indicate continuous loud playing. > > For the capstans, try putting several drops of thin CA glue on > them, with the key upside down. For the broken string, decrease > hammer blow and increase let off on just that note, and see if it > makes a difference. > > > Willem (Wim) Blees, RPT > Piano Tuner/Technician > Mililani, Oahu, HI > 808-349-2943 > Author of: > The Business of Piano Tuning > available from Potter Press > www.pianotuning.com >
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