FILTER DRIER. - TM-5-4120-364-130069

TM 5-4120-364-13

Inspection.

I n s p e c t the evaporator coil assembly for damage which would

impair serviceability.

Removal.

( 1 ) Refer to figure 3-5 and remove end panels, f r o n t p a n e l a n d a i r f i l t e r

f r o m the evaporator coil section by turning fasteners (4) one~quarter turn counter-

clockwise.

(2) Pump dowm the refrigerant system in accordance with paragraph 4-6

and close shutoff valves at both ends of the evaporator coil.

(3) Loosen flare nuts on liquid and suction lines.

( 4 ) Unbolt f rent support (23, 31, f i g u r e 4 - 6 ) a n d r e a r s u p p o r t s ( 1 4 , 2 9 ) .

( 5 ) L i f t e v a p o r a t o r c o i l a s s e m b l y fromn frame.

d . Replace.

R e f e r to figure 4-5 and r e p a i r o r r e p l a c e e v a p o r a t o r c o i l

c o m p o n e n t s as required.

Installation.

( 1 ) P l a c e e v a p o r a t o r c o i l a s s e m b l y i n p o s i t i o n i n frame.

( 2 ) Place f rent supports (23, 31, figure 4-6) and r e a r supports (14, 29)

a n d bolt them to the evaporator coil assembly and to frame.

(3) Reconnect flare nuts at liquid and suction lines.

( 4 ) Purge opened refrigerant system of air in accordance with paragraph

4 - 9 and open shutoff valves.

(5) Refer to figure 3-5 and replace air filter and panels.

FILTER DRIER.

4-13.

a . General,

The filter drier (12, figure 4-7) is located in the condenser

f a n section of the air conditioner. It is in the refrigerant liquid line to remove

a n d retain any foreign substance in the refrigerant. The filter drier should not be

r e p l a c e d with equipment of lesser capacity than the original equipment. Install a

n e w filter drier whenever the refrigerant system has been opened.

Removal.

( 1 ) Refer to figure 3-7 and remove panels from the c o n d e n s e r f a n s e c t i o n

b y turning fasteners (8) one-quarter turn counterclockwise and r e m o v i n g screws (22)

and washers (23).

( 2 ) Pump down the refrigerant system in accordance w i t h paragraph 4-6

and close liquid line shutoff valve.

( 3 ) Disconnect tubes from top and bottom of filter d r i e r ( 1 2 , f i g u r e

4-7) by loosening flare nuts (1),

4-13