Bailey INFI 90 Instruction page 65

MAINTENANCE
Table 6-1. Preventive Maintenance Schedule
Check cabinet air filters. Clean or replace them as necessary. Check the air filter more fre-
quently in excessively dirty environments.
Check cabinet and computer interface module for dust. Clean as necessary using an anti-
static vacuum.
Check all computer interface signal, power and ground connections within the cabinet. Verify
that they are secure. See procedure.
Check computer interface circuit boards, giving special attention to power contacts and edge
connectors. Clean as necessary. See procedure.
Complete all tasks in this table.
EQUIPMENT/TOOLS REQUIRED
PREVENTIVE MAINTENANCE PROCEDURES
Printed Circuit Board Cleaning
EQUIPMENT/TOOLS REQUIRED
6 - 2
for tasks that require further explanation are covered under
PREVENTIVE MAINTENANCE
NOTE: The preventive maintenance schedule is for general pur-
poses only. Your application may require special attention.
Task
Listed below are the tools and equipment required for mainte-
nance procedures.
Antistatic vacuum.
•
Clean, lint free cloth.
•
Compressed air.
•
Eberhard Faber (400A) pink pearl eraser.
•
Fiberglass or nylon burnishing brush.
•
Foam tipped swab.
•
Flat screwdriver suitable for terminal blocks.
•
Isopropyl alcohol (99.5 % electronic grade).
•
Natural bristle brush.
•
This section covers tasks from Table
nance schedule) that require specific instruction or further
explanation. The tasks and instruction covered are:
Printed circuit board cleaning.
•
How to check signal, power, and ground connections.
•
There are several circuit board cleaning procedures in this sec-
tion. These procedures cover circuit board cleaning and wash-
ing, cleaning edge connectors and circuit board laminate
between edge connectors. 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.
PROCEDURES.
Frequency
3 months
12 months
Shutdown
6-1 (preventive mainte-
®
I-E96-610A