About 3 months ago we converted our manufacturing system from RA flux to OA
flux.  Along with the conversion we switched from a solvent board wash to an
aqueous board wash using closed loop DI water only.  Now I have people
complaining that the solder wick (un fluxed) I switched to doesn't work well
at all.  I have suggested that they need to use some of the liquid OA flux
that they have been supplied, but still people are unhappy.  A few
assemblers had used a no-clean flux solder wick with a previous employer,
which seemed to work well.  My question is are there wash/compatibility
problems with this no-clean flux wick, my DI water wash system and residue
left on the boards after wash?

Phil Nutting
Manufacturing Engineer
Kaiser Systems, Inc.
978-922-9300

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