TM 5-4220-225-14
CHAPTER 4
UNIT MAINTENANCE
OVERVIEW ................................ ................................ ................................ ................................ ...................... 4-1
Section I.
Repair Parts; Special Tools; Test Measurement, and Diagnostic Equipment
(TMDE); and Support Equipment ................................ ................................ ............................... 4-1
Section II.
Service Upon Receipt ................................ ................................ ................................ ................... 4-1
Section III.
Unit Preventive Maintenance Checks and Services (PMCS) ................................ ......................... 4-2
Section IV.
Unit Troubleshooting ................................ ................................ ................................ ..................... 4-3
Section V.
Unit Maintenance Instructions ................................ ................................ ................................ ....... 4-12
Section VI.
Preparation for Shipment or Storage ................................ ................................ ............................. 4-90
Section VII. Unit Level Cleaning Procedures for Diving Life Support Air Systems ................................ ............ 4-91
OVERVIEW
This chapter contains unit level preventive maintenance checks and services, troubleshooting, maintenance, and
instructions for placing the equipment into storage, or ready it for shipment.
SECTION I. REPAIR PARTS; SPECIAL TOOLS; TEST MEASUREMENT, AND DIAGNOSTIC
EQUIPMENT (TMDE); AND SUPPORT EQUIPMENT
Paragraph
Page
4-1
Common Tools and Equipment ................................ ................................ ................................ ..... 4-1
4-2
Special Tools, TMDE, and Support Equipment ................................ ................................ .............. 4-1
4-3
Repair Parts ................................ ................................ ................................ ................................ .. 4-1
4-1. Common Tools and Equipment . For authorized common tools and equipment, refer to the Modified Table of
Organization 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 the
Maintenance 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.
SECTION II. SERVICE UPON RECEIPT
Paragraph
Page
4-4
General ................................ ................................ ................................ ................................ ......... 4-2
4-5
Initial Inspection . ................................ ................................ ................................ ........................... 4-2
4-6
Operational Testing ................................. ................................ ................................ ...................... 4-2
4-1
