4-24. Helmet Communications Maintenance.
This task covers:
Tool Kit, General Mechanic's (item 4, appx B)
Helmet liner removed (para 4-23).
(1) Place helmet on clean workbench.
(2) Tag and disconnect microphone wires (1) and earphone wires (2) from the communications posts in
the interior of the helmet.
(3) Carefully pull the two earphones (3) out of the retainers (4) attached to the helmet shell.
(4) Pull microphone (5) out of the oral-nasal mask.