Back Panel

TM 5-4120-356-14

k. Back Panel. (See figure 3-4.)

Inspect nut plates on back panel for stripped threads

( 1 ) I n s p e ct i o n .

or loose rivets.

( 2 ) R e p a i r . R e p l a c e any nut plates which have stripped threads, loose

r i v e t s or are otherwise damaged beyond use.

(See figure 3-3.)

Air Filter.

(1)

Removal.

( a ) Remove a t t a c h i n g screws and remove air intake grille.

( b ) Remove a t t a c h i n g screws and remove filter retainer.

I n s p e c t air filter for damage which would impair ser-

( 2 ) Inspection.

viceability and for dirt or clogging.

(3)

Service.

WARNING

W h e n using compressed air for blowing and

c l e a n i n g , air hose pressure must not ex-

c e e d 30 psig (2 ks/cm 2 ) , a n d i n d i v i d u a l s

m u s t wear eye protection equipment.

(a) Wash the air filter with a stream of freshwater.

(b) Dry the air filter with compressed air.

Replace air filter

there

any

damage

the

air

fil-

( 4 ) Replace.

ter which would i m p a i r

serviceability.

Installation.

(5)

(a) Position new or serviced air filter and filter retainer in the

air

conditioner.

(b) Secure filter retainer with attaching screws.

a t t a c h i n g screws.

(See figure 3-5.)

Fresh Air Damper C o n t r o l .

(1)

I n s p e ct i o n .

( a ) Inspect fresh air damper control for bidding and for damage

w h i c h would impair serviceability.

(b) Inspect spring for proper tension.

3-15