Lyon and Healy style C spcl, early to mid 1920's. Tuner buttons are the kind that do not have screws holding them on to the shaft. One tuner button (treble-side E string, FWIW) is loose. There is about 0.03 to 0.06 inches of play in and out and a few degrees of play around the axis of the shaft. Attached photo shows the in and out play. So the button rattles a bit. The tuner itself is in great shape, no slop, no backlash, holds tune, etc.
1. It does bug me when I tune, even though I have no trouble tuning.
2. I do worry that the slop/play will get worse and the button will come off.
3. I am not sure but I think I do hear a bit of a buzzy rattle sometimes while playing that could be attributable to this.
4. I don't want to replace the button given its age and patina - any replacement will probably not match the others.
What can I do to tighten this button up? I considered injecting CA glue into the gap between the shaft and the button (like where the red arrows are), but I hope you folks can make better suggestions (or reinforce my thinking).
Thanks!
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