2-3. OPERATING PROCEDURE-Continued
Headband Suspension Adjustment.
This adjustment loosens or tightens the headband. To obtain
maximum helmet retention and for stability, the headband
should be tightened until snug around the head. Be certain the
buckles (one on each side) are vertical or at right angles to the
suspension when making this adjustment.
(1) To Tighten:
(a) Pull on free end of strap (1) in the adjustment buckle
(b) Pull on free end of other strap (1) in adjustment buckle
(c) Repeat steps (a) and (b) until headband fits snugly
around the head.
(2) To Loosen:
(a) Slide lockbar (1) towards back of adjustment buckle
(b) Push free end of strap (3) towards rear of adjustment
(c) Repeat steps (a) and (b) to loosen other adjustment
(d) Repeat steps (a), (b) and (c) until headband fits