Expanding action brackets. Classic symptoms. Get the action out before they swell so much that the drop screws start dragging on the block. David Love davidlovepianos@comcast.net -----Original Message----- From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of greg hollister Sent: Friday, July 01, 2005 4:13 PM To: pianotech@ptg.org Subject: Unstable regulation I have been tuning a mid-sized Young Chang grand for a serious client for several years now. Each time I go to tune it I find the hammers blocking at the strings. I'll turn down the let-off dowels to some degree of let-off to get me through the tuning. But each year I go back to her house the condition is the same, the hammers are blocking again. I want to regulate this piano as it should be but I am concerned that I will be frustrated by whatever it is that causes the return of this blocking condition. Does this sound familiar to anyone? Could this be a loose let-off rail? I have marked the capstans to see if they were turning on their own and they don't appear to be. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com _______________________________________________ pianotech list info: https://www.moypiano.com/resources/#archives
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