TM 9-4120-401-14
4-22.
FRESH AIR DAMPER AND ACTUATOR. - continued
a. lnspect.
(1) Check push-pull control cable (1) for operation by turning actuator plate wheel (2).
(2) Check that damper (3) moves when actuator plate wheel (2) is turned.
b. Clean.
Wipe loose dirt from controls and linkages with a clean cloth.
c. Adjust.
(1) Loosen screw (4) to release push-pull control cable (1) end.
(2) Move push-pull control cable (1) end in and out and position at the center between the two extreme
stop points of damper (3).
(3) Move actuator plate wheel (2) so that it is centered on the curved portion of the plate.
(4) Tighten screw (4).
(5) Check actuator plate wheel (2) for smooth operation and damper (3) movement.
NOTE
FOLLOW-ON MAINTENANCE:
Install return air louver (para 4-1 8).
Install supply air louver (para 4-19).
4-56
