[R-390] Cosmos PTO, spring-loaded core?

[Jim M.]

You are in deep waters now.

My suggestion:  Fix the wife some chicken soup, clean up the kitchen and get 
the kids under control first.

Jim M.  N4BE

----- Original Message ----- 
From: "Tim Shoppa" <shoppa_r390a at trailing-edge.com>
To: <r-390 at mailman.qth.net>
Sent: Sunday, February 26, 2006 1:12 PM
Subject: [R-390] Cosmos PTO, spring-loaded core?


> OK, my wife is sick, the kitchen is a mess, my three kids are
> running around the house screaming, and of course I've decided
> to pull apart my PTO.
>
> I've gotten roughly to where the pictures at
>
>  http://www.r-390.com/cosmos.htm
>
> but of course I've got some questions:
>
> I see the ring and ridge that ride the linearity adjustment screws.
> (Interestingly enough *all* the screws are present on mine. Looks like
> they take a 0.028" hex key but can't find mine at the moment.)
> I see the core that is supposed to ride the linearity adjustmet
> core, and I find that it sits on the end of a threaded rod and
> presumably a black nub on mine (it's red in the pictures at the
> URL above) is supposed to ride the ring and move in and out with
> a spring pushing it.
>
> BUT... I don't feel any pressure when I press on the nub.
>
> Is it time for me to tear off the two screws holding the
> linearity adjusting coil and look for the springs under there?
>
> Or do I have to "press harder"?
>
> Tim.
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