5-12. Communications Whip Maintenance - continued.
(1) Lightly lubricate new preformed packing (4) with silicone lubricant and install on packing gland (2).
(2) Install communications whip with packing gland through helmet shell.
(3) Fasten communications whip to shell by tightening nut (1) while holding packing gland (2).
(4) Connect wires (5) from communications whip to communication posts in the interior of helmet, per
diagram shown below.