Jerry,
that's sound very interesting. I'll investigate to see if I have the same
problem.
I already wrote to Ten-Tec service, any way and if they can replace the PTO
I'll do it.
Ciao and thank you
Giorgio
"Dr. Gerald N. Johnson" <geraldj@storm.weather.net> ha scritto:
On Fri, 2006-09-22 at 06:50 +0200, Giorgio Santantonio wrote:
> My Argosy II is suffering of a VFO problem: on same specific VFO position the
> frequency jump around about 1 KHz and the tuning is impossible or can be done
> with high difficulties. I suspect this is due to the VFO (probably it have to
> be cleaned). Someone experienced a similar problem and can gime me an help?
> Thank you in advance
> Giorgio Santantonio
>
>
Sounds just like my Corsair II was when I got it. The tuning was most
difficult at the lower frequencies in a band. That's because the screw
loading spring is more compressed with the slug deeper in the coil. In
my case when I opened up the PTO to install a rebuilding kit, I found
the outer race for the ball reduction had a groove worn in it and that
took the pressure off the balls so they slipped and there was also end
play in the screw shaft because of that wear. Installing the PTO kit
(took about three hours) from Tentec cured all those problems. New parts
came to replace the worn ones.
--
73, Jerry, K0CQ,
All content copyright Dr. Gerald N. Johnson, electrical engineer
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