TM 9-4120-404-14
3-21. RETURN AIR LOUVER.
This Task Covers:
a. Removal
b. Repair
c. Installation
Initial Setup:
Tools Required
Tool Kit, Semite, Refrigeration, Unit (Item 1, Appendix B)
Material/Parts Required
Rivets (Refer to TM 9-4120-404-24P)
Equipment Condition
Air conditioner shut down and cool.
(1) Remove eight screws (1) and eight lock washers (2).
(2) Remove return air louver (3) from unit (4).
(3) Remove air conditioning filter (5) from return air louver (3).
b. Repair.
(1) Remove eight new rivets (6), four angles (7), and four clips (8) from louver (9).
(2) Straighten bent louver blades on louver (9).
(3) Replace four angles (7) and four clips (8) if damaged.
(4) Install four clips (8), four angles (7), and eight new rivets (6) onto louver (9).
c. Installation.
NOTE
Be sure arrow indicating air flow direction on air conditioning filter is pointing
toward unit.
(1) Install air conditioning filter (5) into return air louver (3).
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