[Drake] Dial Grease ?
Larry Taft
ltaft at charter.net
Fri Dec 15 14:49:20 EST 2006
There is a good article about rebuilding the geartrain of the PTO
available on the Drake virtual museum and on WB4HFN Drake pages. The
article covers lubrication.
Looks like you need to clean out the old grease first as it is setting
up when the radio is not used.
73, Larry K2LT
drakerepair.com
K4BEV at aol.com wrote:
>
> I'm quite sorry. I should have changed the Subject line before responding to
> "Re: [Drake] hello?". It makes a thread much easier to find later. So here
> it is again...
>
> I'm using a T-4XC and R-4B combo. I've *modified* the R-4B so that the dial
> lamp follows the TRANSCEIVE switch on the T-4XC just like the R-4C's does. I
> had an R-4C with no mods and so fell in love with the R-4B once I heard one
> -
> Great receiver, but I missed telling where the TR switch was in the dark...
> Love that blue glow!
>
> My dilemma: The main tuning dial on the T-4XC is as smooth as silk on silk,
> but the R-4B develops what I will call "hard spots" after sitting for a
> while. Rocking the dial through the hard spots for a bit fixes it, till it
> sits in
> one place for a while with the radio off.
> I believe that the grease is hardening around the bearings and THAT is the
> problem.
> It is more than likely the original lubrication.
>
> Should I just leave well enough alone or replace the grease? If replacement
> is recommended; which grease should I use? Would leaving the receiver on
> STBY,
> instead of turning it off, keep the grease warm enough that the problem
> would resolve itself? Is it advisable to just let it sit there in STBY all
> of the
> time?
>
> 73, Don - K4BEV
>
>
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