TM 9-4120-371-14
c. Test/Adjustment-blast damper
(1)
Swing round cover in actuator hood open.
(2)
Using spring balance assembly test tool, press tip against end of actuating pin.
Damper door should spring tightly shut when marker on tool reaches green color band.
(3)
If door does not trip in green color band range, adjustment is necessary.
(4)