[R-390] R-3909(non A) - ten turn stop question

[Tom M.]

Randy,

I've never had to adjust the ten turn stop on the Mcs Change shaft, but there
should be nothing wrong with doing what you suggested.

You're not going to break it.

Make sure you tighten it up well, as this is probably how it got whacked in the
first place.

73 Tom
--- R390rcvr@aol.com wrote:
> Good evening all!
> 
> A rather sad R-390 followed me home last night. One of the oddities is that 
> it won't go onto band one. The megacycle shaft hits the ten turn stop before 
> it will allow the gearing to drop into the detent. Its close, but won't quite
> 
> make it. It seems to go a bit too far on the high end of the range.
> 
> I have looked through the manual for this radio, and the R-390A, and although
> 
> the stops are discussed, how to adjust them isn't. I am not going to do a 
> complete gear train dismantle at this point, and wonder it just that 
> adjustment can be done, without upsetting synchronization?
> 
> There is a clamp on the gear driven by the MC shaft, so perhaps by locking 
> the dial lock, loosening that clamp, and rotating the shaft just enough to 
> allow it to drop into the detent will work? The radio is working, kind of, so
> 
> I would like to not disturb too much until I have a good baseline performance
> 
> check.
> 
> Thanks
> 
> Randy Stout
> 
> 
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