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April 1998

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Subject:
From:
SteveZeva <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 30 Apr 1998 14:27:15 EDT
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Hello All,

     I'm going to be getting a Trek Triton IV SMT cleaner with a integrated
water treatment system here in a couple of weeks, and I've got a question that
maybe somebody can answer.

     The onboard treatment system has a 1 cu.ft. Carbon and chelate bed, and
two 1.5 cu. ft. cation and anion beds (so you can keep running while changing
one set when needed). We're just starting-up, so it'll be a little while
anyway before we start cleaning any serious board feet of printed circuit
boards.

      My question is; should I get rental DI columns to fill my cleaner, and
provide make-up water for the evaporation that happens during operation? Trek
says that I'll lose anywhere from 3-10 gallons an hour during normal
operation. They also provide a service that I send them a sample of the tap
water we have here and they'll do an analysis to get an idea of how hard the
water is.

     I was thinking that there has to be somebody from the S.F. bay area
that's already done this drill before, and knows if I need to rent additional
mixed-beds besides the ones that I have in the treatment system...the water is
the same all over the area here because we all get our water from the Hetch
Hetchy reservoir...

    I've always had rental beds at other places I've worked at here in "silly-
con" valley, but then we were talking 2-4 cleaners at a time and high-volume
work...this time it's only one cleaner, and I'm just trying to be "frugal".

     I was just going to run without a rental bed and monitor things to see
how it goes, but I don't want to kill my beds right away if there's a risk of
that.

                          Thanks in advance!!

                          -Steve Gregory-

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