[R-390] Post to list

[Kenneth G. Gordon]

The metal covered capacitors with the glass ends are practically 
indestructible. Leave those alone. You may be able to read Sprague on 
some of them.

Ken W7EKB

> On R-390 (not "A" version), I am about to replace most
> all paper condensors (we now call them capacitors, of
> course), probably with polyprop. orange drops.  I see
> that these types of  condensors in this set are metal
> covered, and look to be of very high quality (military
> spec., I am sure, is reason for that).  Are these
> metal covered, numerous ones are .01, .1, .22, 1. mf,
> really paper caps, as I suspect?  I have replaced a
> gazillion paper caps in civilian radios, but have no
> experience with military radios/electronics, and have
> never seen metal covered ones like this before. 
> Anyone know much about the quality of these metal
> covered condensors, how smart it is to replace them,
> etc.?  I will replace, too, any electrolytics that I
> find not testing well (the 50 mf., 50 volt unit will
> be first to replace, as it is shot, for sure, as
> tested), while two 10 mf are in great shape, and I
> will leave them in place.  Best,  Jack
> 
> <P>&nbsp;</P>
> 
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