TM 5-4220-225-14CHAPTER 4UNIT MAINTENANCEOVERVIEW ................................ ................................ ................................ ................................ ...................... 4-1Section I.Repair Parts; Special Tools; Test Measurement, and Diagnostic Equipment(TMDE); and Support Equipment ................................ ................................ ............................... 4-1Section II.Service Upon Receipt ................................ ................................ ................................ ................... 4-1Section III.Unit Preventive Maintenance Checks and Services (PMCS) ................................ ......................... 4-2Section IV.Unit Troubleshooting ................................ ................................ ................................ ..................... 4-3Section V.Unit Maintenance Instructions ................................ ................................ ................................ ....... 4-12Section VI.Preparation for Shipment or Storage ................................ ................................ ............................. 4-90Section VII. Unit Level Cleaning Procedures for Diving Life Support Air Systems ................................ ............ 4-91OVERVIEWThis chapter contains unit level preventive maintenance checks and services, troubleshooting, maintenance, andinstructions for placing the equipment into storage, or ready it for shipment.SECTIONI. REPAIR PARTS; SPECIAL TOOLS; TEST MEASUREMENT, AND DIAGNOSTICEQUIPMENT (TMDE); AND SUPPORT EQUIPMENTParagraphPage4-1Common Tools and Equipment ................................ ................................ ................................ ..... 4-14-2Special Tools, TMDE, and Support Equipment ................................ ................................ .............. 4-14-3Repair Parts ................................ ................................ ................................ ................................ .. 4-14-1. Common Tools and Equipment . For authorized common tools and equipment, refer to the Modified Table ofOrganization and equipment (MTOE) applicable to your unit.4-2. Special Tools, TMDE, and Support Equipment . Refer to Repair Parts and Special Tools List (RPSTL) and theMaintenance Allocation Chart pertaining to unit maintenance for the MK12 Surface Supported Diving System (SSDS).4-3. Repair Parts. Repair parts are listed and illustrated in the RPSTL, TM 5-4220-225-24P, for this equipment.SECTIONII. SERVICE UPON RECEIPTParagraphPage4-4General ................................ ................................ ................................ ................................ ......... 4-24-5Initial Inspection . ................................ ................................ ................................ ........................... 4-24-6Operational Testing ................................. ................................ ................................ ...................... 4-24-1
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