[Boatanchors] Cleaning a grungy chassis

[david knepper]

Simple Green, sold at most discount houses, like Wal-Mart.

See the CRA website in the Album Section.  Look for the early article on 
restoration.

Dave, W3ST
Publisher of the Collins Journal
Secretary to the Collins Radio Association
www.collinsra.com - the CRA Website
Now with PayPal
CRA Nets: 3805 Khz every Monday at 8 PM EST
and 14255 every Saturday at 12 Noon EST
----- Original Message ----- 
From: "Glen Zook" <gzook at yahoo.com>
To: "Peter Burbank" <nv4v at adelphia.net>; <Boatanchors at mailman.qth.net>
Sent: Sunday, June 18, 2006 10:34 AM
Subject: Re: [Boatanchors] Cleaning a grungy chassis


> The Formula 409 + ammonia has been used for quite some
> time by boat anchor restorers and works VERY well on
> metal.  I have had no problems with it.
>
> The ammonia may have something to do with the "ion"
> problem.  However, again, this combination has been
> used on hundreds of boat anchors by many restorers and
> there have been no problems.
>
> On circuit boards with solid-state components I have
> no idea.  But with tubes there is NO problem.
>
> Glen, K9STH
>
>
> --- Peter Burbank <nv4v at adelphia.net> wrote:
>
> About 409......I'd avoid using that stuff on
> electronic gear. I cleaned a J-38 bakelite base with
> it once and that key was too conductive for grid block
> keying no matter how many times I rinsed it. I suspect
> that 409 has a lot of ions to scavenge grease. Later I
> was chatting with one of the cal guys with all the NBS
> traceable standards that calibrated our lab gear
> periodically and he said his techs avoided 409 like a
> plague He said "409 is a good way to trash a circuit
> board"
>
>
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>
> Glen, K9STH
>
> Web sites
>
> http://home.comcast.net/~k9sth
> http://home.comcast.net/~zcomco
>
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