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

[Barry N1EU]

 Alcohol/tri-flo is mentioned in this thread:
http://lists.contesting.com/_tentec/2010-03/msg00357.html

but not sure if it received a second thumbs up

73, Barry N1EU



On Mon, Jan 28, 2019 at 3:33 AM Perry Ballinger <w8au at sssnet.com> wrote:

>
> 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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