Rick,
  I used a good amount of JB weld to cure the  leak on the PA plate transformer 
on my T-368.
  The leak occured at the bottom of the  conical shaped,  HV insulators. 
  I had considered moiunting upside down, but there is certainly not enough 
room to do that in the T3.
  I was starting to look for another transformer, and then someone suggested JB 
weld.
  Yes, it does have iron in it, but I have it on the base on the insulators. 
  The total insulation path has been reduces by less than an 1/8 th of an inch
  Been working on the transmitter  with full plate power on and off for a few 
weeks now.
  No arcing or problems of any sort and no leak either.
  de KA4JVY
  Mark


----- Original Message ----
From: Rick Brashear <[EMAIL PROTECTED]>
To: Discussion of AM Radio in the Amateur Service <[email protected]>
Sent: Monday, May 19, 2008 4:23:18 PM
Subject: RE: [AMRadio] Oil filled capacitors

That's interesting.  I honestly don't think it would matter either way.  The
area that is leaking is on the bottom of a 1" insulator, so the adhesive
will be no closer to the center conductor than will be the metal case.  I
sure appreciate all the help guys.

Rick/K5IAR



> JB Weld does not contain any form of metal. ..................

====================================

The MSDS shows that the resin portion of the original J-B Weld contains
10-20% iron filings.

http://jbweld.net/techinfo/index.php

I wouldn't use it for this application.


K7DFW


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