[TenTec] Omni 6 tuning drag

[Steve N4LQ]

Slide the rubber ring off the knob and use an allen wrench to remove the set 
screw. Once it is loose you may need to wiggle, pound and wrangle the knob 
to remove it.

Steve Ellington
N4LQ at iglou.com
----- Original Message ----- 
From: "Chuck Guenther" <ni0c at earthlink.net>
To: <tentec at contesting.com>
Sent: Saturday, March 12, 2005 6:24 PM
Subject: Re: [TenTec] Omni 6 tuning drag


> [Sorry everyone for my  previous post with wrong Subject heading]
>
>
> Jerry,
> My Omni VI knob has too much drag, and I can't seem to reduce it.  In
> addition, the knob has begun to make a horrible vibration noise every ten
> turns or so, especially when I spin it fast.  I'm wondering if this is a
> symptom of a bad bearing in the encoder.  Also, please answer, if you 
> will,
> this stupid question:  How do you take the tuning knob off ?  I don't see
> any set screws, and don't want to put a lot of force on it until I know
> exactly what I'm doing.
>
> Thanks & 73,
> Chuck  NI0C
>
>
>> The slip clutch arrangement works just fine if the knob is set up
>> properly to begin with. It has been used on a number of Ten-Tec rigs.
>>
>> An interesting excercise is to take the knob totally off so that you can
>> see how the clutch works and its range of motion. Then set it so that
>> the two clutch pads are as retracted as possible and then reinstall the
>> knob pressing in to the point just before the pads begin to cause drag.
>> You can now add additional drag by holding the slip ring with one hand
>> and turning the knob with the other.
>>
>> Now one thing I will mention. I personally don't like any drag myself so
>> all my Ten-Tec knobs are set loose. However I don't know about the
>> previous owner of my Omni-VI Plus, I do know that the main encoder
>> bearing is shot and that I had to install a new encoder and they are
>> expensive! I suspect the more drag you set the more wear this bearing
>> will endure. Just a thought.
>>
>> Jerry, KG6TT
>>
>>
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