Gosh- how many strings are affected? Might better restring the whole area- and clean everyting while you're at it. Could be the best solution? My 2 sense. :) On Oct 7, 2005, at 1:57 PM, John Ross wrote: > Don't try the heat gun. > If the heat gets concentrated on one spot, you may have broken > strings to contend with. > John M. Ross > Windsor, Nova Scotia, Canada > jrpiano@win.eastlink.ca > ----- Original Message ----- From: "Andrew Anderson" > <andrew@andersonmusic.com> > To: <ilvey@sbcglobal.net>; "College and University Technicians" > <caut@ptg.org> > Sent: Friday, October 07, 2005 9:35 AM > Subject: RE: [CAUT] Grease/Oil on upright pressure bar > > > >> Most do have evidence of lubricant to a greater or lesser degree. >> The one that was the worst, so far, had terrible unisons when I >> got to it. (I think the lubricant got all the way to the bridge in >> the treble.) >> >> The pin block is tight, the pins are "springy". The average >> humidity is 60% Rh right now. In Laredo there aren't any >> mountains between us and the cost so it doesn't get terribly dry >> relative-humidity-wise. Think south-Texas. >> >> So, this is a foreign substance. What is the least damaging way >> to get it out? I've mentally debated trickling various solvents >> down the wires over the bar into a rag below. I don't like that >> idea. Another that came to mind is using the heat gun to mobilize >> it with heat and forced air out of that position. That also has >> its drawbacks, maybe less so than the first idea. Anyone have >> tested ideas or want to hazard some opinions? >> >> PRN =/= as needed >> TAMIU = Texas A & M International University >> >> Andrew Anderson >> >> >> At 07:59 PM 10/6/2005, you wrote: >> >>> 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 >>> >> >> >> _______________________________________________ >> caut list info: https://www.moypiano.com/resources/#archives >> > > _______________________________________________ > caut list info: https://www.moypiano.com/resources/#archives >
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