TM 5-4220-226-14&P
CHAPTER 5
DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
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Common Tools and Equipment .................... 5-1
Repair Parts ....................... ......................... 5-3
Communications Whip Maintenance .......... 5-12
Side Block Assembly Maintenance .......................5-7
Emergency Air Supply Valve Assembly
Side Block Body Maintenance ............................ 5-10
Maintenance ........................................... 5-8
Special Tools, TMDE, and Support
Helmet Adapter Hose Maintenance ............ 5-14
Equipment.............................................................5-2
Helmet Shell Maintenance ......................... 5-13
Superlite 17B Diving Helmet Maintenance .. .........5-6
Muffler/Air Train Maintenance .................... 5-11
Troubleshooting, Introduction................................5-4
One-Way Valve Assembly Maintenance ...... 5-9
Troubleshooting Procedures .................................5-5
SECTION I. REPAIR PARTS; SPECIAL TOOLS; TEST, MEASUREMENT AND
DIAGNOSTIC EQUIPMENT (TMDE); AND SUPPORT EQUIPMENT
5-1. Common Tools and Equipment
For authorized common tools and equipment, refer to the modified table of organization and equipment
(MTOE)
applicable to your unit.
5-2. Special Tools, TMDE, and Support Equipment.
Special tools required for direct support maintenance are listed and illustrated in the repair parts and special
tools list (appx F). TMDE and support equipment are listed in the maintenance allocation chart (appx B).
5-3. Repair Parts.
Repair parts are listed and illustrated in the repair parts and special tools list (appx F).
SECTION II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
No preventive maintenance checks and services are required for direct support of the diving helmet.
SECTION III. TROUBLESHOOTING PROCEDURES
5-4. Introduction.
a. Table 5-1 lists the common malfunctions which you may find during the maintenance of the diving
helmet or its components. You should perform the tests/inspections and corrective actions in the order listed.
b. This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective
actions. If a malfunction is not listed or is not corrected by the corrective action, notify your supervisor.
5-1
