TM 9-4120-399-14
a. Removal.
(1) Remove ten screws (1), ten lock washers (2), ten flat washers (3), and conditioned air
discharge guard (4) from unit.
(2) Remove ten screws (5), ten lock washers (6), ten flat washers (7), and intake (return
air) guard (8) from unit.
b. Installation.
(1) Install intake (return air) guard (8), two flat washers (7), ten lock washers (6), and ten
screws (5).
(2) Install conditioned air discharged guard (4), ten flat washers (3), ten lock washers (2),
and ten screws (1).
3-5/(3-6 Blank)
