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Page Title:
FIGURE 2-74. Oxygen Breathing Apparatus. |
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 TM 55-1915-200-10
Table 2-1. Description of Operator's Controls and Indicators - CONT
Key
Control or Indicator
Function
Oxygen Breathing Apparatus (OBA) (FIGURE 2-74)
1
Timer
Provides a check of time remaining.
Timer's bells will ring for 8-10
seconds continuously.
2
Pressure Relief Valve and
Vents overpressure automatically.
Pull Tab
Tab provides manual release.
3
Canister Release Tab
Releases canister from harness.
4
Canister Seal
Protects chemicals from moisture until
canister is ready for use.
5
Candle Cover
Protects candle when not in use.
6
Lanyard
Releases candle firing pin when pulled.
FIGURE 2-74. Oxygen Breathing Apparatus.
2-193
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