[R-390] corroded tube pins

[Dan Merz]

Scott,  I suggest shoving them in and out of a loose tube socket a few
times,  applying a little deoxit to the tube socket and putting one in the
deoxit laden tube socket and taking it out and testing it on a tube tester.
If it tests ok,  that may be all that's necessary.  If the pins are so badly
corroded that the vacuum is compromised,  you'll know right away.  Good
luck, regards,  Dan. 

-----Original Message-----
From: r-390-bounces at mailman.qth.net [mailto:r-390-bounces at mailman.qth.net]
On Behalf Of Scott Bauer
Sent: Wednesday, December 21, 2005 7:06 AM
To: R390 List
Subject: [R-390] corroded tube pins

 I bought some " NOS " OA2's on ebay. I know, you get what you pay for.
Anyway, every pin on every tube is heavily corroded. Usually, I scrape them
off but I bought 11 of them and was hoping for an easier solution.

 I wonder if there is any type of solution one could soak the pins in to
remove the corrosion?  Baking soda and water ?

 Thanks, Scott 

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