TM 10-5410-228-10
2.17 PRESSURE GAGE ASSEMBLY.
1.
AMBULATORY Gage
Indicates difference in air pressure between ambulatory airlock and outside ambient air
pressure in inches of water (iwg).
During NBC operation, ambulatory airlock is properly adjusted (via vent holes) when
AMBULATORY gage indicates 0.3 iwg.
2.
LITTER Gage
Indicates difference in air pressure between Tunnel Airlock Litter Patient (TALP) airlock and
outside ambient air pressure in inches of water (iwg).
During NBC operation, TALP airlock is properly adjusted (via vent holes) when LITTER gage
indicates 0.3 iwg.
2.18 AIRLOCK TIMERS AND VENTS.
1.
Airlock Timers
Located on inner ambulatory airlock door and outer TALP airlock door. Used to set time for
purging personnel and equipment of contaminants before entry into ABS during NBC
conditions. Three minutes is standard time for purging.
2.
Vents
Used to properly adjust CBPS and airlock pressure during NBC operation. Set of vent holes on
outer ambulatory airlock door and over inner ambulatory door on ABS (see figure 2-15, item
9). Set of vent holes on inner and outer TALP airlock doors.
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