TM 3-4240-286-20&P
2-7. FUNCTIONAL TEST (CONT).
LOCATION
ITEM
ACTION
lNDICATION/REMARKS
Compartment
CHANGE
CHANGE FILTER light (12) will
FILTER indicator
Control
light.
Module
light
Power
Reconnect tubing (21) (green dot)
removed above.
Distribution
Unit
Tighten finger tight.
Fan and Airflow
Airflow valve
Filter unit must be operating.
Close shelter and protective
Valve Housing
entrance doors.
Unit
Disconnect airduct hose (22) from
outlet port marked TO PROT ENT.
The sliding plate (23) in the airflow
Open shelter and protective
valve must move to completely
entrance doors.
close off the outlet marked TO
PROT ENT.
Close shelter door.
The sliding plate (23) in the airflow
valve will move toward the port
marked TO SHELTER. This partly
opens the port marked TO PROT
ENT.
Turn off filter unit:
Observe that sliding plate (23)
Set compartment control
covers the port marked TO
POWER switch (14) to OFF.
SHELTER.
Replace airduct hose (22) on port
marked TO PROT ENT.
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