[Boatanchors] Capacitor carnage cleanup

Mark Foltarz Foltarz at rocketmail.com
Fri Sep 21 17:55:27 EDT 2012


Wayne,

  Your on the right track,  I would use a small pump sprayer with denatured alcohol.
Spray and scrub affected areas with a soft toothbrush.
Repeat until satisfied.
Rinse with a few pumps of alcohol and then blast with compressed air.

de KA4JVY

Mark





>________________________________
> From: "Wayne Harrah, ke0ms" <pilotguy1050 at yahoo.com>
>To: boatanchors at mailman.qth.net 
>Sent: Friday, September 21, 2012 2:04 PM
>Subject: [Boatanchors] Capacitor carnage cleanup
> 
>Hey Fixer-guys,
>
>Its been awile since I have been inside a BA of any type.  Actually this current project is not on a true BA, but pretty darned close... And I suspect what I ask and what you will tell me applies to BAs... so I'll ask.
>
>I had an electrolytic cap blow inside of a radio... 315V, 10uF,  looks to be the filter cap tied to the grid of a 12BY7A driver tube... I discovered it by accident when opening up the radio to fix an intermittent connection inside someplace.  I found it by discovering the oooozy-slime all over a ckt board of trimmer caps and the bottom RF Cage cover.
>
>So, what is the best way to get large amounts of this nasty sludge off of a significant number of components that have been covered/mummified in this goo for a long time?  I bought the radio from another guy (not on ebay) and I was never told it had a problem like this.  I have never transmitted with the radio, so I'm sure it was this way when I got it.
>
>Looking for advice.  I have heard using alcohol and qtips are one way... but that sounds like using a very slow process, like using an eyelash brush to unearth a triceritops skeleton in South Dakota.
>
>Advice appreciated.
>
>Wayne, ke0ms
>
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