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4-37.
TM 5-4120-377-14
Disconnect input power to air conditioner before performing any internal maintenance.
Voltages used can KILL. Shutting unit off at control panel does not disconnect unit power.
Preliminary procedures: 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.
NOTE
See paragraph 4-7 for remote mounting of control panel.
a. Removal. (If control panel is remote mounted, see facility or shelter manual.)
(1) Using screwdriver, loosen two captive panel fastener screws in lower front panel.
(2) Tip top of lower front panel
TS4120-377-14/4-40
Figure 4-40.
Lower Front Panel
away from unit and lift panel up to clear flange on bottom of panel.
(3) Using screwdriver, loosen six captive turnlock stud fasteners in intake grille assembly.
(4) Remove grille.
(5) Using screwdriver, loosen two captive stud fasteners in filter retainer.
(6) Remove retainer and filter.
Change 1
4-75
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