2-20
2-21
(1) Prior to donning the headmount, loosen the four ends of the
chinstrap approximately two inches from the sliding bar buckles.
(2) Snap the front and rear snaps in place.
(3) With both hands grasp the neck pad and pull the harness over
your head and the neck pad down to the back of your neck.
(4) Holding the chin cup in position on chin, adjust both sides of the
chinstrap until you feel light pressure against your chin. (DO NOT
TIGHTEN.)
(5) Maintain the position of the chin cup and remove any slack from
the chinstrap. (DO NOT TIGHTEN.)
OPERATION
SWITCH
SOCKET
EYEPIECE
DISTANCE
ADJUSTMENT
BATTERY
COVER
LATCH
FIGURE 2.9. NVG HEADMOUNT ADJUSTMENTS
(6) Ensure that the cross-strap is not twisted and remove slack by
adjusting the vertical adjustment at the neck pad.
(7) Adjust chinstrap and vertical adjustment until the chin cup and
headband are in a comfortable but firm position.
NOTE
After installing the goggles, minor strap adjustments may be
necessary to achieve comfort.
(8) Refer to paragraph 2.4.2. for operating procedures.
2.3.5. INSTALLATION OF HELMET MOUNT
TO HELMET
(1) Remove the helmet mount from the carrying case. Refer to Fig-
ure 2.10. for helmet mount features.
KEEPER
HELMET
MOUNT
BRACKET
CATCH
BUCKLE
LEVER
STRAP
REAR
SNAP
REAR
MOUNTING
HOLE
REAR
BRACKET
NAPE
STRAP
FIGURE 2.10. INSTALLATION OF HELMET MOUNT
(2) Press the release (Figure 2.11.) to remove the mount from the
helmet mount bracket.
(3) Make sure the strap is laced onto the helmet mount bracket as
shown in Figure 2.11.
(4) With catch (see Figure 2.11.) in forward most position, place the
strap over the top of the helmet center (see Figure 2.12).
Содержание ATN PS31
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Страница 28: ...3 1 CHAPTER 3 MAINTENANCE INSTRUCTIONS ...
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