List, While repinning a sluggish balancier on a newish wurly c-143 ( with constant flang seizing problems),I noticed this black gunk on the pin when I removed it. Can someone clue me in? By the way, this piano is pre Gibson ,so no warranty. Rick Ucci/Ucci Piano -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20070201/a0358040/attachment.html
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