TM 11-6605-202-12/T0 5N3-3-1O-1
BASIC PMCS INFORMATION
4-10. These Procedures assume that the compass set is properly shut down. Preventive maintenance is
done without the power system energized. Be careful in areas where voltage may exist. If at any point in
the procedures you cannot perform an operation, do not proceed to subsequent steps before
Maintenance has corrected the problem. If you (or anyone in the crew) cannot perform the required
maintenance or corrective action, please notify Intermediate Maintenance immediately.
COLUMN ENTRIES USED IN PMCS TABLES
4-11.
Each of the column entries used in the PMCS tables is explained below:
a. Column 1-Itern No. Numbers the checks and services to be performed in order. This column is also
used as a source of item numbers on DA Form 2404.
b. Column 2-Interval. Tells you when each PMCS should be performed.
B = Before operation
A = After operation
H = Hours (time interval replacement)
c. Column 3-Itern to be Inspected. Identifies which part of the set is to be inspected and the pro-
cedure to follow.
d. Column 4-Readiness Reporting. Explains how to tell if the set is not ready to perform.
PMCS PROCEDURES
4-12. The following pages contain PMCS tables. Please read them carefully and follow the directions "to
the letter." REMEMBER, if you reach a point where you can't perform the procedure listed, notify ln-
termediate Maintenance.
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