FRESH AIR DAMPER AND ACTUATOR -INSPECT/SERVICE/REPLACE/ADJUST. - continued

TM 5-4120-386-14

4-22. FRESH AIR DAMPER AND ACTUATOR-Continued.

REMARKS

LOCATION/ITEM

ACTION

Position control actuator (13)

Adjustment

to fully closed position.

Loosen screw (1) from

mechanical post (12) of fresh

air damper.

Position fresh air damper to

fully closed position by hand

while looking down vent housing

from evaporator fan motor compart-

ment with flashlight.

Tighten screw (1) on mechanical

post (12).

Shine flashlight into fresh air

damper screen side of unit (read

side) while looking into vent

housing from evaporator fan motor

compartment. Ensure no light can

be seen around edges of damper seal.

If fails, repeat adjustment proce-

dure. If fails again, Service or

Replace fresh air damper as

necessary.

Install evaporator inlet and

outlet louvers.

Install top covers.

4-42