TM 10-5410-223-14/1
3. ADJUST ANTI-BACKDRAFT VALVE TO CONTROL RATE OF
VALVE ACTION WHICH REGULATES THE SHELTER INTERNAL
PRESSURE. TURN CONTROL KNOB CLOCKWISE TO DECREASE
ACTION OF VALVE AND COUNTERCLOCKWISE TO INCREASE
ACTION OF VALVE.
TS 016710
Figure 2-1. Operation of shelter door and anti-backdraft valve (sheet 3 of 3 ).
2-4
