TM 3-4240-284-20&P
LOCATION
ITEM
ACTION
INDICATION/REMARKS
Open protective entrance door.
Pressure circuit
Compartment
ENTRANCE LOW PRESSURE
Control
light (11) will light.
Module
Protective
LOW PRESSURE light (15) will
Entrance
light.
control
Module
Close protective entrance and
Within 30 seconds:
shelter doors.
ENTRANCE LOW PRESSURE
light (11) will go off. Also, the
LOW PRESSURE light (15) on
the protective entrance control
module will go off.
MASK light (9) will go Off. HORN
OFF button (20) will reset.
Power
CHANGE
Disconnect tubing (21) (green dot).
Fitter unit must be operating.
Distribution
FILTER indicator
Unit
light
2-7
