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TM 5-4120-259-15
Section VI. HOUSING PANELS AND GRILLES
50. General
w i t h g a s k e t m a t e r i a l .
The air conditioner is enclosed by sheet alu-
are protected by metal
A i r i n l e t s a n d o u t l e ts
g r i l l e s .
m i n u m p a n e l s m o u n t e d o n a r i g i d a l u m i n u m
f r a m e a n d s e c u r e d w i t h m a c h i n e s c r e w s . T h e
51. Housing Panels and Grilles
inside surfaces of the panels are insulaeed with
R e m o v e a n d i n s t i l l t h e h o u s i ng
sponge rubber and all contact edges are sealed
grilles as shown by figure 13.
Section VII. DAMPERS, DAMPER CONTROLS, AND AIR FILTERS
52. General
The air conditioner has two return air damp-
ers located on the upper right side and upper
left side of the unit, and two fresh air dampers
o n t h e r e a r o f t h e u n i t . T h e s e d a m p e r s a r e
operated by control knobs on the front of the
u n i t ( f i g . 7 ) . E a c h o f t h e t w o d a m p e r c o n t r o l
knobs operates one fresh air damper and one
return air damper to control the flow of fresh
or return air into the unit as desired. The fresh
a i r d a m p e r s a r e p r o t e c t e d b y i n s e c t s c r e e n s .
T w o p e r m a n e n t , w a s h a b l e t y p e a i r f i l t e r s a dd
f u r t h e r p r o t e c t i o n a g a i n s t o b s t r u c t i o n o f t he
a i r c u m u l a t i o n s y s t e m.
22
53. Dampers
R e m o v e a n d i n s t a ll
b y f i g u r e 1 4.
54. Damper Controls
R e m o v e a n d i n s t a ll
s h o w n b y f i g u r e 1 5 .
55. Air Filters
R e m o v e a n d i n s t a ll
by figure 12.
p a d s a n d
t h e d a m p e r s a s s h o wn
the
damper
controls
as
t h e a i r f i l t e r s a s s h o w n
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