Response Electronics CL6011B Spécifications Page 28

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3-2 Card Removal, Cleaning, and Installation
UM4.6:CS6003 Original — December 1991
Step 6: Pull out the termination panel, if used. Lift the top tab on the I/O
card.
Step 7: Remove the I/O card from its slot by pulling out on the tab.
3.3 Circuit Card Cleaning
In addition to standard tools available to the technician, an ionizing air
gun is recommended.
Use precaution against electrostatic
discharge when installing, removing,
transporting, and cleaning printed circuit
cards.
Caution
Printed circuit cards should be cleaned on a quarterly basis. Cards that
are dusty and do not require a solution for cleaning, can be cleaned
using an ionizing air gun. The ionizing air gun uses dry, filtered,
compressed air and neutralizes the static charge that causes the dust to
adhere to the card. Best results are achieved with an air pressure of 20
to 30 pounds per square inch (psi).
Note
If an electrical ionizer is used, it must be
periodically checked to ensure the output is a
balance of positive and negative ions to avoid
causing static buildup on the circuits cards. The
filter (if it has one) must be kept clean. Consult the
manufactures documentation for proper usage
and maintenance.
3
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