Great photos Terry, thanks for your help. Rick Ucci > > Several folks requested pictures of a pinblock separation repair, so > here goes. Click on the links below for the pictures. Several show the > pipe clamps in place. After applying epoxy into the crack as deep as > you can get it, it seems to help to tighten each clamp and then go back > and tighten them all again. Tighten all clamps several times - you > will find that even though they were tight a few minutes ago, you can > often keep tightening them more and closing the gap more. Keep cleaning > up squeeze out as you go. > > Important to remember to only clamp at backposts. If you try to clamp > on the spacer blocks between backpost you will only manage to bust up > the back assembly pretty good - DAMHIK (it was a long time ago - and on > my piano)! > > In past jobs on larger pianos I was able to bolt, clamp and epoxy all > at the same time. On this console, I had space problems so I epoxied > and clamped - let cure for 48 hours - then drilled and through bolted. > You will see in two of the pictures that the nut for the center bolt > was right in the middle of several tuning pins - I couldn't get a > wrench on the nut with the tuning pins in place. So I had to remove > them to tighten nut. A pretty acorn nut would not fit on the center > bolt so I just used a plain nut. > > You'll also note that I had to go in on a bit of an angle on the two > end bolt holes because of case clearance problems. > > Other than that, all is fairly self-explanatory I think. Please ask > away if you have any questions. Piano tuned up real nice and I think it > has decades of service left in it. > > Terry Farrell > > Photos at: > > https://www.moypiano.com/ptg/files/attachments/04/db/d1/21/ > attachment.jpe > > https://www.moypiano.com/ptg/files/attachments/04/3e/e6/c2/ > attachment.jpe > > https://www.moypiano.com/ptg/files/attachments/d9/42/80/f5/ > attachment.jpe > > https://www.moypiano.com/ptg/files/attachments/42/bb/a1/18/ > attachment.jpe > > https://www.moypiano.com/ptg/files/attachments/64/6b/32/73/ > attachment.jpe > > https://www.moypiano.com/ptg/files/attachments/19/97/03/20/ > attachment.jpe > > https://www.moypiano.com/ptg/files/attachments/43/86/a7/f0/ > attachment.jpe > > https://www.moypiano.com/ptg/files/attachments/50/7e/80/48/ > attachment.jpe > > https://www.moypiano.com/ptg/files/attachments/5f/f9/d4/79/ > attachment.jpe > > > > Alternate: > > http://tinyurl.com/t9j7 > > http://tinyurl.com/t9je > > http://tinyurl.com/t9jm > > http://tinyurl.com/t9jr > > http://tinyurl.com/t9jw > > http://tinyurl.com/t9jz > > http://tinyurl.com/t9k1 > > http://tinyurl.com/t9k5 > > http://tinyurl.com/t9k8 > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
This PTG archive page provided courtesy of Moy Piano Service, LLC