TM 9-4120-388-14
a. Removal
b. Cleaning
This task consists of:
d. Lubrication
c. Inspection/Repair
e. Installation
INITIAL SET-UP:
Equipment Condition.
Turn off power.
Disconnect Input power to the air conditioner before performing any internal
maintenance. Voltages used can KILL Shutting the unit off at the control panel
does not disconnect unit power.
a. Removal
(1) 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
lnspect/Repair.
(1) Inspect each grille for general condition and proper operation.
(2) Bent louvers can usually be straightened with fingers.
(3) Be sure that information plate is readable and in place.
(4) Refer requirements for further repair to direct support maintenance.
d. Lubrication.
(1) Apply a few drops of light oil (item 7, Appendix E) to all pivot points of the louvers.
(2) Wipe or blot up all excess oil with a cloth or paper towel.
Installation.
e.
(1) Align captive studs with casing fasteners.
(2) Secure grille with six captive turnlock stud fasteners.
(3) Connect power.
