k. Removing/Replacing Communications Assembly with CEP Modification Kit Attached
Removal
NOTE
Before performing this procedure,
disengage the chinstrap from the
D-rings, and loosen nape strap pad
adjustment. This will ease removal
of the energy-absorbing liner.
1. Detach the earcups from earcup
retainer pads by disengaging
hook-and-pile fasteners and pass-
ing them through the retention
straps. Allow earcups to hang by
communications cord.
2. Referring to Figure 4-77, squeeze
sides of thermoplastic liner and re-
move it from helmet by disengaging
the front and rear hook-and-pile
fasteners.
3. Referring to Figure 4-78, remove
the pan-head screw, spring
washer, and post fastening the re-
tention assembly to the center rear
of the helmet shell. Retain the
screw, washer, and post for
reassembly.
INITIAL SETUP
Personnel Required
Tools/Equipment
ALSE Specialist/Technician
Screwdriver, flat-tip (GGG-S-121 TY1CL5DEB)
or Personnel with ASI of
Screwdriver, cross-tip (GGG-S-121 TY6CL1)
H2/Q2 (ALSE Qualified)
Spatula (GGG-C-746)
Jeweler's screwdriver set (CM3033)
Soldering iron (D550-3)
Materials/Parts
Pliers, long-nose (D203-6)
Earphone (82B5646)
Wrench, box and open-end (GGG-W0636)
Microphone (78A4046-1)
Solder, type 40/60 rosin core (QQ-S-571)
Cord Assembly (69C2137)
Swivel Assembly, Boom
(91A8212)
CAUTION
In this procedure, soldering will be required. Ensure that all soldering/unsoldering procedures
are performed by qualified personnel, and in accordance with ANSI/J-STD-201.
Figure 4-77. Squeezing Thermoplastic Liner
Figure 4-78. Rear Retention Screw
REAR RETENTION SCREW
Change 3
4-64.1
TM 1-8415-216-12&P