TM 9-4120-399-14
b. Installation.
(1) Install Iever (11), screw (10), and lock nut (9) onto actuator (2).
(2) Install actuator arm (8) on damper shaft and actuator (2). Refer to Figure 5-5 and
position actuator arm (8) as indicated.
(3) Tighten set screw (7) on arm (8).
(4) Secure damper actuator (2) to bracket (6) with two flat washers (4), two lock washers
(5), and two nuts (3) but do not tighten.
(5) Secure flare nut (1) to damper actuator (2).
(6) Move damper actuator (2) until damper is in fully closed position and then tighten
actuator mounting hardware.
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