TM 9-4120-404-14
Section II. OPERATOR PREVENTIVE MAINTENANCE CHECKS
AND SERVICES (PMCS)
2-4. INTRODUCTION. The following information should be read and understood before performing the procedures within
the PMCS table.
a. General. Table 2-1 (PMCS Table) has been provided so you can keep your equipment in good operating
condition and ready for its primary mission.
b. Warning and Cautions. Always observe the WARNINGS and CAUTIONS appearing in your PMCS table.
Warnings and cautions appear before the applicable procedures. You must observe these WARNINGS and CAUTIONS
to prevent serious injury to yourself and others or prevent your equipment from being damaged.
c. Explanation of Table Entries.
(1) Item Number Column. Numbers in this column are for reference. When completing DA Form 2404
(Equipment Inspection and Maintenance Worksheet), include the item number for the check/service indicating a fault.
Item numbers also appear in the order that you must do checks and services for the intervals listed.
(2) Interval Column. This column tells you when you must do the procedure in the procedure column.
BEFORE procedures must be done before you operate or use the equipment for its intended mission. DURING
procedures must be done during the time you are operating or using the equipment for its intended mission. AFTER
procedures must be done immediately after you have operated or used the equipment.
(3) Location, Item To Check/Service Column. This column provides the location and the item to be checked
or serviced. The item location is underlined.
(4) Procedure Column. This column gives the procedure you must do to check or service the item listed in
the Check/Service column to know if the equipment is ready or available for its intended mission or for operation. You
must do the procedure at the time stated in the interval column.
(5) Not Fully Mission Capable If Column. Information in this column tells you what faults will keep your
equipment from being capable of performing its primary mission. If you make check and service procedures that show
faults listed in this column, do not operate the equipment. Follow standard operating procedures for maintaining the
equipment or reporting equipment failure.
d. Other Table Entries. Be sure to observe all special information and notes that appear in your table.
2-5
