[pianotech] tightening balance hole was Bouncing Bostons

[Ron Nossaman]

Dean May wrote:
> Would you share your protocol, Ron? When I've done it I thinned the glue 50%
> with water and just swabbed the hole. Then eased them after they thoroughly
> dried. It seemed to work okay. 

That's pretty much it. Nothing magic or proprietary. If the 
holes are extra sloppy, I don't thin it.
Ron N