> If I could make a suggestion, key elements in button replacement are > that: > 1. It is more important that the mortised area of the button be in-line > (parallel) with the balance hole, not centered in the keystick or > button, Why? Whether the balance hole is centered or not, centering the bushing mortise, or not, won't make any difference in key function. The photo is from a NY Steinway D, factory job. I wouldn't reproduce this with button replacement, would you? > 2. the placement be such that the pin does not hit the back of the > mortised area in the button when depressed. > Just some things to consider. Mike Well, yea, and make sure the bushing mortise goes front to back, rather then side to side. It's like any parts replacement. You check clearances and limits of travel to make sure the thing works before you nail it down. Ron N -------------- next part -------------- A non-text attachment was scrubbed... Name: bushing mortises.jpg Type: image/jpeg Size: 54425 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/20070530/5a833ec3/attachment-0001.jpg
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