CHAPTER 3 OPERATOR MAINTENANCE INSTRUCTIONS

TM 5-4220-226-14&P CHAPTER 3 OPERATOR MAINTENANCE INSTRUCTIONS Para Para Maintenance and Reentry Control Maintenance of Oral-Nasal Mask ................ 3-3 Procedures ....................................... 3-2 Maintenance Procedures, Introduction ........ 3-1 SECTION I. LUBRICATION INSTRUCTIONS No special lubrication instructions are required for the helmet. SECTION II. TROUBLESHOOTING PROCEDURES No operator troubleshooting procedures are required for the helmet. SECTION III. MAINTENANCE PROCEDURES 3-1. Introduction. a. This section contains maintenance procedures which are the responsibility of operator level maintenance as authorized by the maintenance allocation chart (MAC) and the source maintenance recoverability (SMR) coded items that are identified in the repair parts and special tools list (RPSTL). b. Maintenance at the operator level is restricted to the inspection and cleaning of the main components and replacement of minor components such as thread protective caps and valve handles. NOTE Maintenance procedures should be performed IAW the MAC. Unless specified, procedures requiring disassembly of sub- components will not be performed at the operator level. 3-2. Maintenance and Reentry Control Procedures. a. Maintenance and reentry control procedures are established to document and maintain the integrity, cleanliness, and safety of the system and to ensure work is done IAW proper specifications and procedures. b. A reentry control (REC) report must be completed and approved for each maintenance action and a control log will be maintained for each system. A sample REC report and a sample control log are provided at the end of this chapter. c. Instructions for completing the REC report (figure 3-1) are as follows: (1) REC Nr: A sequential three digit number assigned from the control log beginning with 001. (2) Julian Date: Julian Date. 3-1