On Mon, Apr 25, 2011 at 3:31 PM, Ed Foote <a440a at aol.com> wrote: > Mike asks: > > >>The rebushing with the Renner cloth has been a disaster, it won't stay > glued!! I have a tendencey to blame myself first so I have tried, moistening > then soaking the cloth both only after I prepared the hole in the flange > using the proper size drill to ream the hole to remove the old glue. In all > cases it failed, one side stayed in, the start side but the opposite side > pops out every time. I haven't rushed it, I have allowed a minimum of > overnight drying time. > > That might be heat set glue, in which case you will have to heat the > pins as well as the wood. The last time I had to rebush a bushing, I used a > toothpick to put a small ring of hot hide glue,(very thin) around the cloth > right at the wood, so that when I pulled the cloth in, the glued part went > in. Even so, I found that rebushing with modern cloth requires pushing a > sizing pin in to the very tight hole, and then wetting the cloth with a mix > of water and alcohol, or VS profelt so that it shrink-fits around this pin > while becoming denser in the hole. Letting it dry at least overnight, and > then fitting a larger pin to friction specs. If you simply ream the > untreated cloth to fit a pin, it will be wobbly very quickly. > > If it helps you feel better, the Renner parts also exhibit totally > unacceptable bushings, but usually in the form of tightening up after a > year or so of use. > Regards, > Ed Foote RPT > I have used a sizing pin every time, the directions, from Renner written by Bill Spurlock, say wet with a sponge to activate the glue, nothing about heat, to ream only if absolutely necessary. Mike -- I think we are a product of all our experiences. Sanford I. Weill<http://www.brainyquote.com/quotes/quotes/s/sanfordiw283095.html> Michael Magness Magness Piano Service 608-786-4404 www.IFixPianos.com <http://www.ifixpianos.com/> email mike at ifixpianos.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://www.moypiano.com/ptg/pianotech.php/attachments/20110425/974944f3/attachment.htm>
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