Section II. OPERATOR'S PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)

TM 5-4220-226-14&P Section II. OPERATOR'S PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) 2-2. Introduction. 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 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 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 Item No Interval Location Item to check service Procedure Not fully mission capable if: 1 Before EXTERIOR 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 Yoke 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. 2-2