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TM 5-4120-377-14
a. Using screwdriver, loosen six captive turnlock stud fasteners in intake grille.
b.
c.
d.
e.
Figure 4-9.
Remove grille.
Alternate Cable Connections Through Return (Intake) Duct
Using screwdriver, loosen two captive stud fasteners in filter retainer.
Remove retainer and filter.
If intake grille, retainer, and filter are not to be installed in facility duct work, store them in a safe place.
4-16
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