[R-390] Cleaning?

[Bernice & Al]

Tim,

The anodizing comes in two versions, what is commonly known as Clear and Gold colored. 
>From what I understand they are equivalents as far as protection is concerned. It would be 
highly unlikely if the side panels were not treated. Google anodizing and I am sure you 
will find all the facts about the anodizing corrosion treatment.

Al


----- Original Message ----- 
From: "Tim Shoppa" <shoppa_r390a at trailing-edge.com>
To: <r-390 at mailman.qth.net>; <n4tua at aol.com>; <glennmaillist at bellsouth.net>
Sent: Monday, July 04, 2005 9:59 AM
Subject: Re: [R-390] Cleaning?


>> The aluminum was chemically treated to protect the aluminum
>> [anodizing/alodyning]
>
> It's just a single data point, but my yellow striper shows zero sign of
> anodizing/alodyning on the side panels.  The back plate, internal plates,
> and modules all were alodyned/MFP'ed and have a yellow sheen or a dull
> yellow coating.
>
> Is there any way to definitively identify the maker of a mainframe,
> as opposed to the modules?  Or is it just commonly assumed that the
> RF deck usually stays attached to the mainframe?
>
> One of my R-390A's seems to have had the B+ fuses retrofitted.  Does
> this narrow down the range of possible makers/contracts?
>
> Tim.
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