TM 5-4320-302-14
Section II. OPERATOR/CREW PREVENTIVE MAINTENANCE
CHECKS AND SERVICES (PMCS)
2-1. GENERAL
a. Before you operate. Always keep in mind the CAUTIONS and WARNINGS. Perform your before (B) PMCS.
b. While you operate. Always keep in mind the CAUTIONS and WARNINGS. Perform your during (D) PMCS.
c. After you operate. Be sure to perform your after (A) PMCS.
d. If your equipment fails to operate. Troubleshoot with proper equipment. Report any deficiencies using the
proper forms; see TM 738-750.
2-2. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
a. Table 2-2 lists the preventive maintenance checks and services which shall be performed at specified intervals
by the operator/crew.
b. Item numbers are assigned to each check or service task. These numbers are to be used as a source of item
numbers for the TM Number column on DA Form 2404, Equipment Inspection and Maintenance Worksheet, in recording
results of PMCS.
c. The service intervals are divided into five categories; B-Before Operation; D-During Operation; A-After
Operation; W-Weekly; and M-Monthly. A dot (e) is placed in the interval column for each check or service. If the same
check or service is made in two or more intervals, a dot is placed in each applicable column.
d. The ITEM TO BE INSPECTED column lists the item to be checked or serviced. This column is combined with
the PROCEDURE column.
e. The PROCEDURE column describes the procedure by which the check or service is to be performed.
Illustrations are included to assist in locating that part of the equipment requiring the check or service. When instructions
for removal of assemblies or equipment are required in order to perform PMCS, they are listed and illustrated in the
PROCEDURE column.
2-3
