3-4.2.5 Re place ment of Chin/Nape Strap As sem bly
MA TE RIALS RE QUIRED
QUAN TITY
DE SCRIP TION
REF ER ENCE NUMBER
1
Chin/Nape Strap As sem bly, Me dium, or
90C7864-1
1
Chin/Nape Strap As sem bly, Large, or
90C7864-2
1
Chin/Nape Strap As sem bly, X-Large, or
90C7864-3
1
Chin/Nape Strap As sem bly, X-Large Wide, or
90C7864-4
1
Nape pad, Me dium, or
90D7865-1
1
Nape pad, Large, or
90D7865-2
1
Nape pad, X-Large, or
90D7865-3
1
Nape pad, X-Large Wide, or
90D7865-4
1. Re move chin/nape strap as sem bly as fol lows:
a. Un lace the chin strap from the dou ble D-rings.
b. Un snap the other end of the chin strap from
the sin gle D-ring.
c. Re move both earcup as sem blies from
the hel met.
d. Re move the TPL from the hel met.
e. If re plac ing the nape straps, re move the
clamps from the nape straps and set aside.
f. Re move the screws, wash ers, and T-nuts
fas ten ing the nape straps to the left and
right rear of the hel met shell.
NOTE
Re tain the hard ware re moved
in Step f for re in stal la tion.
Note how the straps are laced through
the nape pad be fore dis as sem bly.
g. Re move the nape straps from the nape pad.
h. With draw the nape straps through the slots
in the hel met shell.
i. Dis card de fec tive chin/nape strap
as sem bly com po nent(s). Re tain ser vice -
able com po nents for re-as sem bly.
3-11
DOUBLE
D-RINGS
SINGLE
D-RING
CLAMP
T-NUT
LOCK
WASHER
SCREW
FLAT
WASHER
Fig ure 3-10. Chin/Nape
Dis as sem bly
Fig ure 3-9. D-Rings
SLOT
CLAMP
NAPE PAD
NAPE
STRAPS