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David Lesher David Lesher is offline
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Default Welder repair (Miller Trailblazer Pro 350D)

"Dennis" writes:

I cant speak for Miller..but Lincoln are so covered with plastic sealent
that gettting to components is nearly impossible

Gunner


They are *******s when they do that. I've soaked boards in different
solvents for a few days to break the sealant down. Sometimes it'll form a
gel that you can brush off.


They spend money on parylene coating for a reason. It protects
the board from water, corrosion, and also prevents sneak paths
via conductive crap deposited on the traces.

But I'm sure *your* welders are kept in clean-room conditions,
and such would never ever be exposed to such hazards...

{You want PITA: take the WWII fungusproofing seen on radios such
as command sets, etc.}

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