TM 5-4220-201-12
Figure 2-3. Fastening waist strap.
(2) When necessary, additional inflation can be effected by
opening the mouth inflation valve (fig. 2-7) and blowing air by mouth.
NOTE
As rubberized fabric will not retain
the gas indefinitely, two mouth
inflation valves, one for each
flotation cell, are provided as a
means to compensate for leakage.
2-5
