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TM 5-4120-377-14
4-23. CONDITIONED AIR DISCHARGE (OUTLET) GRILLE ASSEMBLY
Disconnect input power to air conditioner before performing any internal maintenance.
Voltages used
Preliminary procedure:
can KILL. Shutting unit off at control panel does not disconnect unit power.
Turn unit power off at power source. If there is a chance that it will be turned on, also
disconnect power cable to air conditioner.
Figure 4-27.
Discharge (Outlet) Grille Assembly
T S 4 1 2 0 - 3 7 7 - 1 4 / 4 - 2 7
a. Removal
(1) Using screwdriver, loosen six captive turnlock stud fasteners.
(2) Remove grille.
b. Cleaning. Wipe or vacuum all dust and dirt off louvers and inside of grille. Be careful not to damage
gasket strips.
c. inspection/Repair
(1) Inspect each grille for general condition and proper operation.
(2) Bent louvers can usually be straightened with fingers.
(3) Refer requirements for further repair to direct support maintenance.
d. Lubrication
(1) Apply a few drops of light oil to all pivot points of the louvers.
(2) Wipe or blot up all excess oil with a cloth or paper towel.
4-56
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