[Boatanchors] ongoing Johnson adventure

[jbrannig]

Considering the time, labor and effort that goes into restoring a boatanchor, it seems a false economy to scrimp on the components.
Jim
Sent from my Galaxy Tab® A
-------- Original message --------From: Rob Atkinson <ranchorobbo at gmail.com> Date: 2/12/17  6:32 AM  (GMT-05:00) To: Bill Cromwell <wrcromwell at gmail.com> Cc: boatanchors at mailman.qth.net Subject: Re: [Boatanchors] ongoing Johnson adventure 
> I still haven't unbuttoned the Ranger to find where the
> smoke is coming from. It would be sweet it just cremated a spider or
> something.
>

What I do is simply shotgun out all the capacitors that are anything
other than disc ceramic.  That goes for the paper caps, electrolytics,
silver micas..they all go.  The micas can develop the silver migration
through the mica.  Any carbon resistors that look burnt go.  That
isn't a silver bullet but it can cut down on repeated bench trips. The
disc caps can have problems too, but I give them a chance.

I have to admit that I can afford to be liberal in my replacement
because I have a surplus store nearby that has some good deals on
orange drops and the yellow polypropylene film caps and I bought a lot
of deeply discounted electrolytics from Allied a few years ago and
have not used them up yet.   Otherwise, restoring these rigs is
getting expensive.

73
Rob
K5UJ
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