I wonder since Y-C makes the Essex if this is going to be a problem with them also? James Grebe Piano Tuner-Technician Wood Artisan Established 1962 Creator of Wooden Artifacts such as: Handsome Hardwood Caster Cups Handsome Hardwood Piano Benches 314 845-8282 1526 Raspberry Lane Arnold, MO 63010 ----- Original Message ----- From: "Chris Gregg" <cdgregg@telus.net> To: "Pianotech" <pianotech@ptg.org> Sent: Sunday, July 20, 2003 11:49 AM Subject: Re: Flange Center Friction Increase > I have a Samick grand action on my bench right now. The problem I thought > was sticking jacks, but on further investigation, the problem was the > flange on the top of the repetition post. The repetition was not returning > and therefore the jack was sticking on the knuckle. I punched out the pin > and noticed a residue on it, so then I punched out the bushing cloth to see > what the problem really was. The cloth was hard. Too much glue on it, > making the graphite stick to the pin. I re-bushed and re-pinned the > offender, however, I do not see doing this to all the bad ones. I have > re-pinned thousands of Young Chang action centres over the years. I was > led to believe that there was a sizing problem with the action centre cloth > at one time. Rep[inning I can handle, re-bushing is a pain in the you know > what. > > Chris Gregg RPT > > At 07:50 PM 7/20/2003 +1000, you wrote: > >No matter how 'gently' i try, i have never been able to put a cut centre > >pin back in a bushing without knocking out the cloth! I would not > >recommend trying this to anyone (unless they really want practise at > >re-bushing flanges!). > > > >Scott Jackson > >Australia > > > >----- Original Message ----- > >From: "Paul Chick (Earthlink)" <tune4@earthlink.net> > >To: "Pianotech" <pianotech@ptg.org> > >Sent: Saturday, July 19, 2003 10:07 AM > >Subject: RE: Flange Center Friction Increase > > > > > >| Terry > >| Isaac Sadisgursky talked about this in his class on center pins at the > >| Convention. He demonstrated how a center pin can be too tight in the > >| bushing cloth and loose through the wood, just the opposite of what it > >| should be. This problem can be spotted as you describe--fewer swings as you > >| go along. Here's his test: carefully remove the center pin from an > >| offending flange. Gently place it back in the bushed flange and check the > >| friction just by pushing the pin with your fingernail. Now place the same > >| pin in the wood and push it with your fingernail. Chances are you can push > >| it right through the wood. The problem is caused by using the assembly wire > >| used in the flange to size the bushing cloth during manufacturing. When the > >| flange is installed, the worker slides the wire back to clear the other > >| member then slides it through and cuts it to length, fitting done. Isaac > >| says to watch for centers that are clipped on both sides of the flange. > >| This will tell you a wire had been used. He then went on to demonstrate how > >| to repin a set of flanges in about 45 minutes. > >| Paul C > >_______________________________________________ > >pianotech list info: https://www.moypiano.com/resources/#archives > > http://www.tuneit.ca > > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
This PTG archive page provided courtesy of Moy Piano Service, LLC