TM 3-4240-286-20&P
2-7. FUNCTIONAL TEST (CONT).
INDICATION/REMARKS
ACTION
LOCATION
ITEM
NOTE
Two technicians are needed for this checkout procedure: one on the outside of the
protective entrance and the other on top of the shelter at the airflow valve and silencer.
Make sure that shelter and protec-
Airflow Valve and
Airflow valve
tive entrance doors are closed.
Silencer
VALVE AND
SILENCER
Remove outlet cap (25) from outlet
port.
The sliding plate (26) will move in a
Observe the sliding plate.
direction to allow more airflow into
the protective entrance.
Replace outlet cap (25) on outlet port
Disconnect cable P15 (27).
Airflow valve
Fan and Airflow
Valve Housing
Unit
AIRFLOW
VALVE
Hold airduct hose (22) going to the
protective entrance and loosen
hose clamp. Remove airduct hose.
Sliding plate (23) will move to
Reconnect cable P15 (27).
reduce airflow into the protective
entrance.
Replace airduct hose (22).
CCM
Set POWER switch (14) to OFF.
POWER Switch
Compartment
Control Module
2-10
