MIL-DTL-24784/17B(SH)
a. Column 1, Periodicity. This column shall contain an alphanumeric list of all maintenance
actions contained in the chapter. The following periodicity symbols, as appropriate, shall be
used in the order of increasing periodicity as listed in Table I:
TABLE I. Periodicity symbols.
INTERVAL
SYMBOLS
Daily
D
Weekly
W
Monthly
M
Quarterly (3 months)
Q
Semiannually (6 months)
S
Annually
A
Overhaul cycle
C
As specified (explain circumstances)
R (see note 1)
1. An R periodicity shall be preceded by a recommended calendar periodicity (for example,
DR, WR, MR, and so forth).
b. Column 2, Maintenance action. This column shall list the maintenance action which
corresponds to the periodicity number in column 1.
c. Column 3, Reference. This column shall state the paragraph number that contains the
procedure listed in column 2.
3.6.7.3 Scheduled test procedures. Include the detailed procedures for setting up and
performing complete system tests. Each procedure shall be numbered and titled to clearly define
the test action and the output to be tested.
3.6.7.3.1 Scheduled performance tests. These tests shall contain step-by-step procedures
necessary to verify that the equipment is operating within standards in all modes of operation and
shall contain the following:
a.
Safety precautions.
b.
A list of tools and test equipment identified by type, manufacturer, and model number.
c.
The title of the test to be performed.
d.
The minimum rating of the technician expected to perform the task.
e.
Preliminary setup data required to perform the test.
f.
Detailed procedures for accomplishing the test. Procedures requiring lengthy and identical
setup data may be presented in detail in one procedure and referenced in succeeding
procedures.
g. Values or conditions, with tolerances, indicative of normal operation.
h. References to troubleshooting or corrective actions to be used if the test values are not within
tolerances.
i. Illustrations to support the test.
3.6.8 Chapter 7, Fault-isolation. Chapter 7 shall contain fault-isolation procedures, illustrations,
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