| |
TM 9-4120-389-14
(1)
Check for loose or missing hardware. Tighten or replace as needed.
(2)
Check damper blade for dents and bends. Straighten or replace as needed.
b.
Removal
(1)
Loosen set screw on actuator arm.
(2)
Remove actuator arm.
(3)
Remove four screws and lockwashers that secure two hinges and two bushings
to the damper blade.
(4)
Remove damper blade and two bushings and two hinges.
c.
Repair. Repair by component replacement.
d.
Installation
(1)
Place damper blade in scroll cavity.
(2)
Install two bushings on two hinges.
(3)
Align through holes in two hinges with hardware of damper.
(4)
Secure two hinges to the damper blade with four screws and lockwashers.
(5)
By hand, apply force to actuator plunger to verify that the actuator is in the fully retracted position.
(6)
Fit the actuator arm to the hinge shaft and actuator.
(7)
By hand position damper blade to fully closed position.
(8)
Tighten set screw on actuator arm.
Follow-on procedures:
1.
Remove condenser motor (See para. 4-21).
2.
Install top cover (See para. 4-14).
4-87
|