David Politzer's Page

An attempt to tighten a banjo 5th string, beyond where it had been before, produced a catastrophic failure of an old tuner. The square steel shaft simply came loose. With the end of the shaft no longer held in the plug base (? -- i.e., the brass thing glued inside the neck), tightening the screw on the knob produces no friction between the various parts. In fact, the knob and shaft assembly just slipped out.

The question is whether there is any way to make it work again, or is removal…