TM 5-4220-225-14
4-26. Helmet Communications.
This task covers:
a.
Test
b.
Replace
c.
Repair
INITIAL SETUP:
Tools
Materials/Parts
Multimeter (Item 52, Appendix B)
RTV Sealant (Item 1, Appendix E)
Socket Wrench Handle (Item 15, Appendix B)
Halocarbon Grease (Item 10, Appendix E)
9/64-inch Hex Wrench (Item 22, Appendix B)
Nylon Tie Wrap (Item 28, Appendix E)
0-50 in.-lb Torque Wrench (Item 14, Appendix B)
Clean Cloth (Item 8, Appendix E)
Adapter, Socket Wrench (Item 41, Appendix B)
Speakers, Microphone
Insert, Hex (Item 51, Appendix B)
Small Screwdriver (Item 29, Appendix B)
a. Test (figure 4-24)
(1) Perform an end-to-end continuity test on helmet communications assembly.
(2) Replace or repair the helmet communications assembly as required.
4-62