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December 2004

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Subject:
From:
Phil Nutting <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Phil Nutting <[log in to unmask]>
Date:
Tue, 21 Dec 2004 16:27:06 -0500
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We have a large aluminum casting 
Good afternoon,



 



We have a large aluminum casting (35 inches long by 10 inches wide by 10

inches high and weighs about 75 pounds) that forms the outer enclosure

of a finished product.  After full assembly this unit it filled with

dielectric oil.  For units which require repair after failure, we want

to clean out the old oil and any residue from the failure or from

machine shop rework.  We would like a system that does not drain into

the local sewer or waste water system.  Where this unit is used at 180kV

we need to get all the conductive schmoutz out.  What are recommended

cleaning methods?  Is there a MIL or NASA spec for cleaning large parts

like this?



 



I know that a final wash with DI water is probably the best, but what

would cut the oil best and what method of application?




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Phil Nutting





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