Gentex HGU-56/P, Инструкция по эксплуатации и обслуживанию

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7. Referring to Figure 2-48 , fasten the
chinstrap as follows:
a. Insert the toggle through the
square receiver, and allow the
toggle to lie flat against the square
receiver so that it will not separate.
b. Adjust the chinstrap for a snug fit.
c. Center the chinpad under the
wearer's chin; tack the chinpad
into place using suitable thread.
d. Attach the end of the chinstrap to
the chinpad.
8. Referring to Figure 2-49 , adjust the
nape strap pad as follows:
a. Tighten the nape strap pad by
grasping the two pull tabs, pulling
to the back, and then pulling from
side to side until the nape strap is
snug.
NOTE: When the nape strap pad
is centered, both nape straps will
be the same length.
b. Check the fit of the pad by
inserting two fingers (index and
middle) between the pad and the
wearer’s head. The fingers should
just fit.
c. To loosen the nape strap, flip the
buckles towards the center of the
nape strap pad. The straps will
slide through the buckles easily.
(Continued on next page)
30
Figure 2-49. Nape Strap
Nape strap
Nape strap pad
Buckle
Figure 2-48. Chinstrap
Square receiver
Toggle
End of chinstrap
Chinpad
ALWAYS wear the helmet with the chinstrap properly attached and adjusted. Failure
to secure the chinstrap will decrease helmet stability and allow the helmet to be
forced off of the head during flight operations, resulting in possible injury or death.