David, PRN - Latin abbreviation for "as needed" (a medical term) TAMIU - Texas A&M International University Don't know about the Bostons, though! Tom >Sorry for my ignorance but explain: PRN? TAMIU? If all of the >Bostons, or majority of them have this stuff...sounds like someone >lubed them. The factory isn't going put something in the piano >that attracts dust/dirt. These are basically Kawais. You could >have dried out pinblocks...Texas. Seems to me Avery can talk you >through this... > >David I. > > > > > > >----- Original message ---------------------------------------- >From: "Andrew Anderson" <andrew@andersonmusic.com> >To: "College and University Technicians" <caut@ptg.org> >Received: 10/6/2005 5:24:07 PM >Subject: [CAUT] Grease/Oil on upright pressure bar > > >>Hi, >>I'm tuning on a PRN basis for TAMIU here in Laredo. They finally >>decided their black cages full of warbling songbirds and howling >>seals needed a little discipline. (The grands are better, 50 to 80 >>cents sharp on the top octave though, every piano.) > >>They have a bunch of Boston uprights (UP-125 II) that are proving >>quite annoying. There is very little discernable friction between >>the tuning pin and the speaking portion of the wire. I got >>suspicious, went to the restroom and got some white paper. Swiped >>the wires, yellow stuff, swiped the underside of the pressure bar, >>more yellow stuff. Not very thick, but collecting dust anyway. When >>I massaged the wires with the beat suppressor after the first pitch >>correction pass I noticed that the wires were collecting a little >>dust too, sticky. ... These are fairly new pianos, couple years at most. > >>When I say low-friction, I mean I can put my little hammer vertical >>on a pin and walk a unison above and below tune without stressing my pinky. > >>Is this normal? Making unisons stable is a bit of a chore. No >>wonder they were warbling & howling. Do they come from the factory >>this way? or did one of the past piana toonas oil everything up? > >>Over lubricated in Laredo, >>Andrew > >>_______________________________________________ >>caut list info: https://www.moypiano.com/resources/#archives >_______________________________________________ >caut list info: https://www.moypiano.com/resources/#archives
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