[Hammarlund] Recapping my SP 600 JX17

[rbethman]

John,

I am NOT Al.  However, I'll throw my $0.02 into this fray!

One methos of dealing with the springs - slip thread through then BEFORE 
you fiddle with them.  This method keeps then tethered!  Just as the 
astronauts do on their EVAs or Space-Walks.  It was recently brought up 
on the R-390 list by someone trying to put the spring BACK into split 
gears.  (He chased one that got away - got LUCKY and found it.)

Xicon [sp], (I believe you mean Xircon!?), will work JUST as good as 
Orange Drops!

Somewhere along the line WE either got stuck on Sprague, or the term OD 
has become universal.

Let us know how your endeavors go.  I've got a J11 Northern Variant.  I 
haven't gone into the turret myself.  But as SOON as the St. Js R-390a 
gets off the bench - the Northern goes on!

Bob - N0DGN

John King wrote:
> I call on my GREAT friend W8UT who always comes
> through with good answers to the often goofy questions
> I have.
>
> I have W2EC's article on recapping the SP 600 and have
> read it. My inquisitive "weak mind" still has a couple
> of questions.
>
> A ham friend in Texas WARNED me about springs on the
> turret and said that if I am not careful, the springs
> will get away from me and go flying into unobtanium. I
> have not removed the cover and am very leery of
> removing anything now. Those of you, who have redone
> the turret black beauties, may be able to give good
> advice and help prevent me from letting the "guts" fly
> out of my SP 600 JX17 receiver. If I lose parts, I
> might just have to junk it out and that would break my
> feeble heart. I have a heart that matches my brain.
>
> Another question is about capacitors. I know from the
> recapping article that some use disc ceramic and some
> use either or both .01 and .02 capacitors. I have a
> supply of fresh Xicon "yellow" caps which I believe to
> be poly  axial lead caps that are .01 mfd.@ 630 vdc.
> Is there a significant difference in practice  whether
> one uses "orange drops", disc ceramics or the "yellow"
> poly Xicon caps?????
>
> Your knowledge based on your training and actual
> electronic experience will be greatly appreciated.
>
> And also, will those of you who have recapped both
> Hallicrafters SX 28A and the SP 600 share your
> experience and knowledge with me as to how the degree
> of difficulty between the two receivers compare and
> whether either or BOTH will put me in the loony bin if
> I attempt to re-cap them. Thanks and 73, John, K5PGW
>
>
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-- 
Bob Bethman/NØDGN/BC-610/Northern Radio 
SP-600 Manassas, VA - MultiBand Dipoles