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Page Title:
Section III. MAINTENANCE PROCEDURES |
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 TM 11-7025-233-23
Section III. MAINTENANCE PROCEDURES
4-8. GENERAL
The individual maintenance procedures in this section contain the corrective
actions required to fix a failure which was isolated during troubleshooting.
4-9. EQUIPMENT HANDLING PRECAUTIONS
As with most data processing equipment, the teleprinter is very sensitive to dirt,
dust, and even smoke. Follow the rules below to avoid damage to the equipment.
a.
Make sure hands, hair, clothing, and shoes are clean before working on the
console printer.
b.
Do not touch board connector terminals with any tool, bare hands, or a dirty
cloth. Tools will damage the fragile connector. Dirt or body sweat will
cause corrosion.
c.
If a board is to be transported, place it in its original shipping
container. If unavailable, pack it carefully with clean packing material
that will prevent physical damage and will not cause corrosion.
d.
Ground your body to discharge static electricity by touching a metal chassis
or cabinet before touching a board. A static discharge from you to a board
can destroy integrated circuits on the board.
Do not use masking tape labels.
e.
Hold boards by their edges whenever you handle them.
f.
Store and ship boards in static free bags.
g.
h.
Store boards in a humidity controlled environment.
i.
Do not smoke in the area where boards are used or stored.
Do not put beverages on or near boards.
An accidental spill can cause
j.
corrosion and chemical damage.
k.
Never leave boards lying around unprotected.
4-10. MAINTENANCE PROCEDURES
Before you start a corrective maintenance procedure, you should gather all the
items or help listed in the initial setup box for that procedure. Read the
procedure carefully and do only what each step tells you to do. Some steps are
followed by a reference. Use the reference any time you are not sure what you must
do for that step. Always do the steps in the order they are given unless the
procedure requires decision steps. When decision steps are involved, go in the
order indicated by the decision.
4-36
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