[R-390] MC/KC knob dancing

[Joe Foley]

--- David Wise <David_Wise@Phoenix.com> wrote:
> Excess friction in the gear train exacerbates this.
> Also, the MC detent notches wear with use of
> the MC knob and may simply be worn out.  It's
> probably possible to re-cut them, but you have
> to get them exactly 120 degrees apart to avoid
> poor sensitivity on some bands due to misalignment.
> IMO Collins should have used a pull-to-turn or
> push-to-turn arrangement with positive locking.
+++++++
Nolan Lee says:

The detent spring can be shimmed out by putting
washers between it and the mounting panel, this will
give some new metal to wear on if the spring is
grooved.

BUT, the most common problem is that the gears need to
be cleaned and lubed.

Joe

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