TM 3-4240-284-20&P
2-7. FUNCTIONAL TEST (CONT).
indication/REMARKS
ACTION
ITEM
LOCATION
CHANGE FILTER light (12) will
CHANGE
Compartment
light.
FILTER indicator
Control
light
Module
Power
Distribution
Unit
Filter unit must be operating.
Fan and Airfiow
Airflow valve
Valve Housing
Unit
The sliding plate (24) in the airflow
valve must move to completely
AIRFLOW
close off the outlet marked TO
VALVE
PROT ENT.
The sliding plate (24) in the airflow
Close shelter door.
valve will move toward the port
marked TO SHELTER. This Partly
opens the port marked TO PROT
ENT.
Observe that skiing plate (24)
Turn off filter unit:
covers the port marked TO
Set compartment control
SHELTER.
POWER switch (14) to OFF.
Replace airduct hose (23) on port
marked TO PROT ENT. Tighten
hose damp (22).
2-8