4. Remove all tuning pins, swab inside of tuning pin holes with marine epoxy, reinstall tuning pins. Just to be clear on this one - let epoxy harden a day or two before driving pins back in - otherwise you had better make that first tuning a good one! Terry Farrell ----- Original Message ----- From: "Vanderhoofven" <dkvander@joplin.com> To: <pianotech@ptg.org> Cc: "Alan R. Barnard" <mathstar@salemnet.com> Sent: Wednesday, October 23, 2002 7:55 PM Subject: Re: Weird tuning pin experience > At 06:10 PM 10/23/02, Alan R. Barnard wrote: > > >Pins are only about 20-25 in. lbs. torque. > > > Personally, I do not tune pianos with 20-25 inch-pounds torque if I can > help it. In fact, my last appointment of the day was condemning a Lester > Betsy Ross spinet with 10-20 inch pounds torque. There is no sense in > tuning a piano like this. Frustrates the tuner, frustrates the piano > owner, and wastes your time and their money. A piano with low torque > (20-25 inch-pounds torque) is not tuneable and needs repairs before a > tuning will hold. 50 inch-pounds is ok, below 50 inch-pounds is not. 70 > inch-pounds torque is much better. > > The piano needs (in order of cost) > 1. A new pinblock > 2. Restringing with larger tuning pins > 3. A set of larger tuning pins (but if you have 16 year old wire, watch > out for breaking strings while replacing the tuning pins) > 4. Remove all tuning pins, swab inside of tuning pin holes with marine > epoxy, reinstall tuning pins. > 5. CA glue treatment of the pinblock - (Alan, look in the archives or > write me about this repair.) > 6. Shimming individual tuning pins. (Note this is INDIVIDUAL tuning > pins. If you have a lot of loose tuning pins, shimming is not the way to > go, in my opinion.) > > >Tunes okay, doesn't hold. Has DC installed 4 mos. ago. > > > Torque is too low to hold. Piano is untunable with 20-25 inch-pounds > torque. My frustration level with loose tuning pins is such that if the > torque is too low, I won't tune. I hate call backs, and I hate doing work > that I can't guarantee. > > >Alan Barnard > >Performing CPR (Critical Piano Repairs) in Salem, MO > > > Alan, call me, or e-mail. I'd like to help if I can. > > Sincerely, > David Vanderhoofven > Joplin, MO > > > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives >
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