[R-390] Polishing

Tue, 08 Apr 2003 18:12:39 -0400

That "yellow" coloration is the "MFP" or Military Fungus Protection. 
 Unless you plan on operations in a high humidity environment, just 
polish till your happy!

Bob - N0DGN

-----Original Message-----
From:	David P. Goncalves [SMTP:[email protected]]
Sent:	Tuesday, April 08, 2003 6:27 PM
To:	[email protected]
Subject:	[R-390] Polishing

My R-390 power supply chassis is blackened from a fire under the 
rectifier
tubes. I've removed most of the soot with water and a Q-tip.

Today I got the idea that I was going to use NEVR-DULL to remove the 
rest.
Well, that it did, but it also removed the chassis 'yellow'. Now I 
have a
part yellow, part silvery chassis.

What is this yellow color?
Does it (usually) come off whenever polished?
Is there a need to keep it on?

David Goncalves

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