>My gram guage only goes to 10g and the Renner spec on spring tensions are 30g I elevate the assembly on the bench and graduate spring tension using a gram scale with a small block on the platen on which to place each underlever. -- Regards, Jon Page -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20060730/5699566c/attachment.html
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