Inflating the Life Preserver (Cont)

Figure 2-7. Mouth inflation valve.

Chapter 3. MAINTENANCE INSTRUCTIONS

TM-5-4220-201-12 Life Preserver Underarm Parachutist Type B-7 Coinflated FSN 4220- 657-2197 Manual
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TM 5-4220-201-12

b. Cells must be completely deflated to prevent the remaining

gas from expanding at high altitudes, which may force the containers

open, also, completely deflated cells are easier to pack.

2-10

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