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September 2000

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Lou Hart <[log in to unmask]>
Date:
Sat, 9 Sep 2000 10:13:52 +0300
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"TechNet E-Mail Forum." <[log in to unmask]>, Brian Ellis <[log in to unmask]>
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Brian Ellis <[log in to unmask]>
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Lou

My suggestion is to de-socket all pluggable components and try running it through your machine with the saponifier pump(s) switched off. You may find a good rinse will be sufficient.

Brian

Lou Hart wrote:

> TechNetters,
>
> We have here some assemblies that were in a building (a customer's, not ours) that leaked during a rain storm.  Various portions of them have a dirty deposit that is curiously tenacious, by which I mean it is easily scraped off, but cannot be removed by blowing or light wiping.
>
> We are considering running the assemblies through our conveyorized cleaning process, but are not sure which components can tolerate it.  The wash solution is a 130 F, 9% solution of monoethanolamine (we use an RMA flux).  130 F water rinse follows.
>
> May I get some advice about what to do with these components?  Can they go through our cleaning process?
>
> DIPs in sockets
> Pin Grid Arrays in sockets
> Quad pack ICs in tin contact sockets
> 'D' connectors, male (I think that's what they're called, they have a metal shell sticking out around the pins)
> DIN connectors, male and female (rectangular, grey plastic housing)
> LEDs in plastic housings
> "Cannon" connectors, male (if that is the correct terminology, they have heavy pins sticking in an array out of a plastic block)
>
> Thanks for any comments.
>
> Lou Hart
> Compunetix
> Quality Assurance
> 412-858-6184
>
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