TM 3-4240-284-20&P
2-7. FUNCTIONAL TEST (CONT).
INDICATION/REMARKS
LOCATION
ITEM
ACTION
NOTE
Two technicians are needed for this checkout p r o c e d u r e : on the outside of the
p r o t e c t i v e entrance and the other shelter at airflow valve and silencer.
Airflow Valve and Airflow valve
Make sure that shelter and protec-
Silencer
tive entrance doors are closed.
VALVE AND
SILENCER
L o o s e n hose clamp(26) and re-
move cap (27)from outlet port.
Observe the sliding plate.
The sliding plate (28) will move in a
direction to allow more airflow into
the protective entrance.
R e p l a c e cap(27) on outlet port.
Tighten hose damp (26).
Fan and Airflow
Airflow valve
Disconnect cable P15 (29).
Valve Housing
unit
Hold airduct hose (23) going to the
p r o t e c t i v e entrance and loosen
hose damp (22). Remove airduct
hose.
Skidng plate (24) will move to re-
Reconnect cable P15 (29).
duce airflow into the protective
Replace airduct hose (23). Tighten entrance.
hose damp (22).
Compartment
POWER Switch
Set POWER switch (14) to OFF.
control Module
2-10
