Section II. OPERATOR'S PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
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. Warnings and Cautions. Always observe the WARNINGS and CAUTIONS appearing in your PMCS
table. Warnings and cautions appear before 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
(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 perform 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 failures.
d. Other Table Entries. Be sure to observe all special information and notes that appear in your table.
Table 2-1. Operator's Preventive Maintenance Checks and Services
mission capable if:
Inspect neck dam for holes, cuts, tears, or
Damage to neck dam
Neck Dam and
other damage. Ensure clamp lock nut and
allows possibility of
adjustment nut have not loosened or
leakage. Clamp cannot
changed adjustment. Lock clamp into
be locked onto helmet.
place on helmet. Locking tension should
be tight, but not forced to the point of
bending the lever.