Thank you very much Paul. You have confirmed my thoughts on testing the pin/string stability, namely, the wiggle/waggle test of the lever on the pin and the hard test blow after the final movement of the lever. With regard to the wiggle/waggle movement on the pin to check if the pin/string unit is in the stable zone, I recently read a post by Isaac Oleg on Piano World stating that he uses a gentle pressing down and pulling up of the lever, which is facing in the direction of the strings, when checking the pin/string unit stability. Regards, Mark -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://www.moypiano.com/ptg/pianotech.php/attachments/20121219/2d3b3496/attachment.htm>
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