[TenTec] TenTec Digest, Vol 237, Issue 12

[Jody Barefoot]

     There is a "ball drive" vernier in there. Three ball bearings run 
in a groove on the shaft; works like a planetary gear drive. Cleaning 
and re lube might help, but sometimes the brass shaft gets worn and then 
it won't work. Usually it gets worse with use. I had a machinist make a 
shaft out of hardened tool steel (we used a cut off screwdriver shank 
for steel stock) which never wore out and never slipped again. I don't 
think rebuild kits are available anymore. It's the shaft that the knob 
attaches to. If you do what I did, be sure to use good quality steel.

On 9/26/22 12:00 PM, tentec-request at contesting.com wrote:
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> Today's Topics:
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>     1. PTO Adjustment? (Shawn Upton)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Sun, 25 Sep 2022 16:55:38 +0000 (UTC)
> From: Shawn Upton<kb1ckt at yahoo.com>
> To: Discussion of Ten-Tec Equipment<tentec at contesting.com>
> Subject: [TenTec] PTO Adjustment?
> Message-ID:<1849131253.308156.1664124938367 at mail.yahoo.com>
> Content-Type: text/plain; charset=UTF-8
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> Before I pull the rig apart... is there an adjustment for "tightness"?? Not drag.
> I've noticed that my Corsair, I can turn the knob slightly, what ought to be say 50Hz of frequency change--but the dial skit does not move.? Like there is slop in the mechanism.? So I'm wondering if something could be snugged up just slightly.
> Been years since I tore one apart, and I did not rebuild this one, so I have no idea what is in there.? All I know is, sporadically it feels like dial lash or similar while trying to tune in a signal. That little bit of play means I have to overshoot, then turn back, if not right, repeat.
> Shawn kb1ckt
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> End of TenTec Digest, Vol 237, Issue 12
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