TM 9-4120-404-14
b. Installation.
(1) Install damper shaft (27), four flat washers (26), and two cotter pins (25).
(2) Install clamp (24) onto control cable assembly (9), install control cable assembly through control bracket
(23), and then compress and install clamp (22) onto control cable assembly.
(3) Install screw (20) and nut (19) onto damper (21).
(4) Slide damper assembly into opening in front of air conditioner cabinet.
(5) Install two flat washers (18), two lock washers (17), and two screws (16).
(6) Install two flat washers (15), two lock washers (14), and two screws (13).
(7) Install bushing (11) onto bracket (12).
(8) Install damper actuator (2) and actuator nut (10).
(9) Install two clamps (8) and control cable assembly (9) through bracket of housing.
(10) Install lock washer (7), screw (6), screw (5), nut (4), and screw (3).
(11) Tighten set screw (1) on damper actuator (2).
c. Adjustment.
(1) Adjustment to the damper actuator mechanism is done by moving the clamps on each end of the control
cable assembly (9).
(2) With ventilation damper (21) in fully closed (down) position, compress and adjust clamps (22) and (24) until
no slack is left on eyelet end of control cable assembly and clamps are hard against each side of control bracket (23).
(3) Compress and move two clamps (8) away from bracket welded on housing until control cable assembly (9)
is free to move through bracket.
(4) Rotate actuator nut (10) until only the top .25 inch of damper actuator (2) is sticking through the top of the
actuator nut.
(5) Compress and move both clamps (8) until each clamp is hard against the top and bottom of the bracket
welded on housing.
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