Section III. OPERATOR'S PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
a. To insure that the helmet is ready for use at all times, deficiencies must be discovered and corrected before they
result in serious damage or failure. All deficiencies and shortcomings will be recorded, together with corrective action
taken, on DA Form 2404 (Equipment Inspection Maintenance Worksheet) at the earliest opportunity.
b. Before you operate: Always keep in mind the CAUTIONS and WARNINGS. This is for your protection. Perform
BEFORE (B) PMCS.
c. While you operate: Always keep in mind the CAUTIONS and WARNINGS. Perform DURING (D) PMCS.
d. After you operate: Be sure to perform AFTER (A) PMCS.
e. If your equipment fails to operate, troubleshoot with proper equipment. Report any deficiencies using the proper
forms. See DA PAM 738-751.
f. Perform operators' preventive maintenance checks and services in accordance with table 2-1.
g. Perform operators' PMCS on headset-microphone in accordance with TM 11-5965-279-13&P.
h. Perform operators' PMCS on night vision goggles in accordance with TM 11-5855-263-10.
i. Perform operators' PMCS on helmet directed fire control sub/system in accordance with TM 9-1270-212-14&P.
j. Perform operators' PMCS on MBU-12/P oxygen mask in accordance with TM 55-1660-247-12/TO 15X5-3-6-1.
k. After use and prior to stowing the helmet in the helmet bag: Wipe the ear cup cushion pads.