[TenTec] Omni D - possible VFO rebuild in my future

[Perry Ballinger]

On 1/27/2019 4:09 PM, Carlos wrote:
> It is not a difficult job, it is mostly about dismantling, cleaning,
> lubricating, and assembling back. Parts are small, some are fragile,
> and go in a certain order.
>
> The day I cannot longer do it I think I'll use WD40 and carefully lube
> all moving parts, wiping the excess oil with toilet paper. Doing it in
> a hot day will ease things, of course.
>
> Something I have done with my PTOs is to pack more washers in the
> back, to ease the pressure that the back spring makes in the whole
> assembly. So while I make the radios more prone to minor de-tuning due
> to shock and vibration, the tuning knob can be spun around with just
> the small finger (I don't plan to rattle those radios in the car and
> all have external speakers).

Gents...   With very few exceptions there is no need for a rebuild.  The 
alcohol and Tri-Flo bicycle grease
application takes care of that situation and it does not return. This is 
a simple process posted
about 20 years ago and is still listed in archived TenTec posts and 
others.  Check Google.

Perry   w8au

>
>
>
> On 1/28/19, tfr001 at myfairpoint.net <tfr001 at myfairpoint.net> wrote:
>> So I have an Omni D. Lately, the VFO knob has been getting much stiffer. It
>> will sort of freeze wherever you leave it overnight... the next day, it will
>> be very hard cranking and it seems like you have to crank it many, many more
>> revolutions just to get it to move freq at all. If I crank it up and down
>> the entire bandwidth, it will be servicable for the day, but next day back
>> to the same thing.
>>
>> So am I looking at a rebuild here? Or maybe just a re-lube?
>> I have not attempted to open the VFO before this... and sort of dreading it
>> now.
>>
>> -Tom N1OOQ
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