TM 5-4220-226-14&P
Section IV. MAINTENANCE PROCEDURES
5-6. Superlite 17B Diving Helmet Maintenance.
Specific maintenance instructions for direct support maintenance personnel, as allocated by the maintenance
allocation chart (MAC), are covered in the following paragraphs.
5-7. Side Block Assembly Maintenance.
Maintenance of the side block assembly consists of the repair of assembly components. Specific repair
instructions for the components are covered in paragraphs 5-8 through 5-10.
5-8. Emergency Air Supply Valve Assembly Maintenance.
This task covers:
a.
Disassembly b. Cleaning and Inspection c.Repair
d. Reassembly
INITIAL SETUP
Tools
Materials Required (continued)
Tool Kit, General Mechanic's (item 4, appx B)
Clean, Lint-Free Cloths (item 2, appx E)
Screwdriver, Notched (item 5, appx B)
Warm Fresh Water (item 4, appx E)
Nonionic Detergent (NID Solution) (item 3, appx E)
Materials Required
Silicone Lubricant (item 8, appx E)
Teflon Tape (item 10, appx E)
Soft Bristle Brush (item 1, appx E)
a. Disassembly
(1) Place helmet on clean workbench.
(2) Using notched screwdriver, unscrew locknut (1). Remove locknut, spring (2), and control knob (3).
(3) Remove packing nut (4). Unscrew stem (7) from valve body (8), and remove packing (5) and washer (6)
from stem. Remove valve body (8) from side block.
5-3
