Response Electronics CL6011B Especificaciones Pagina 29

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3-3Card Removal, Cleaning, and Installation
Oiginal — December 1991 UM4.6:CS6003
Use caution not to loosen labels on ROMs
mounted on the card. Also, be careful not
to loosen or damage parts that are
physically fragile.
Caution
Use the following steps to clean a dusty card:
Step 1: Place the card on a grounded work surface.
Step 2: Use the ionizing air gun to blow the dust off the card.
Under no circumstance should FREON
be
used as a cleaning agent for circuit cards.
FREON is considered an environmental
hazard and is no longer an option for
cleaning.
Caution
Cleaning circuit cards that have become contaminated with oily or sticky
substances require the use of a cleaning solution. It is recommended
that cards requiring this process be sent to a company that specializes in
the cleaning of circuit cards.
3.4 Corrosion
Printed circuit cards that have been exposed to corrosive contaminants
can not be effectively cleaned. Corrosion is not a reversible process and
there is no evidence that it can be totally stopped once the process has
begun. In most cases, removing as much of the corrosion and
associated contaminates as possible should provide some extension to
the operation life of the card.
Third party reclamation companies may be able to remove most
corrosion and metal migration, but the Fisher warranty will generally not
be valid thereafter. If the corrosion or metal migration is severe enough,
replace the card. Cleaning the card does not make them immune to
corrosion and problems can be expected to resurface if the card is
returned to the same environment.
3
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