Hey Piano Folks! I serviced a 1984 Young Chang G-157 #G011849 grand today that has a poor performing action: high downweights, high friction, needs full regulation, etc. etc. I know, nothing new here! But one thing I had not looked at while I was there was the action brackets. I am aware that a particular range of serial numbered Young Changs (I think from the 1980s) have the problem of action bracket growth - but I am not aware of what that range is. Does anyone have that information? Terry Farrell Piano Tuning & Service Tampa, Florida mfarrel2@tampabay.rr.com
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