Bailey infi 90 NIMP01, Инструкция

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MAINTENANCE
EQUIPMENT/TOOLS REQUIRED
3 - 2 I-E96-401A
®
The following item should not be serviced on the IMP termina-
tion module. Do not attempt to replace discrete components on
the termination module.
EQUIPMENT/TOOLS REQUIRED
Following are the tools and equipment required for mainte-
nance procedures.
•
Antistatic vacuum.
•
Clean, lint free cloth.
•
Compressed air.
•
Eberhard Faber (400A) pink pearl eraser or equivalent.
•
Fiberglass or nylon burnishing brush.
•
Foam tipped swab.
•
Bladed screwdriver suitable for terminal blocks.
•
Isopropyl alcohol (99.5% electronic grade).
•
Natural bristle brush.
PREVENTIVE MAINTENANCE PROCEDURES
This section covers tasks from Table 3-1 that require specific
instruction or further explanation. The tasks and instructions
covered are:
•
Printed circuit board cleaning.
•
How to check signal, power and ground connections.
Printed Circuit Board Cleaning
There are several circuit board cleaning procedures in this sec-
tion. These procedures cover circuit board cleaning, cleaning
edge connectors and circuit board edge connector contacts.
Use the procedures that meet the needs of each circuit board.
Remove all dust, dirt, oil, corrosion or any other contaminant
from the circuit board.
Table 3-1. Preventive Maintenance Schedule
Task Frequency
Check the cabinet air filters. Clean or replace them as neces-
sary. Check the air filter more frequently in excessively dirty
environments. 3 months
Check cabinet and termination module for dust. Clean as
necessary using an antistatic vacuum.
Check all signal, power and ground connections within the
cabinet and verify that they are secure. See procedure.
Check circuit board and cable connections, giving particular
attention to power contacts. Clean as necessary. See proce-
dure. 12 months
Complete all tasks in this table. Shutdown