Evaporator Air Inlet and Outlet Louvers

TM 5-4120-352-14

g. Installation. Slide mist eliminator into hold-

b. Return Air Filter Removal. Remove eight

ing bracket, and install air conditioner top front

screws and lockwashers and remove evaporator air

cover.

inlet louver (fig. 4-2). Slide return air filter from re-

taining clips on louver.

c. Cleaning and Inspection. Clean and inspect

4 - 1 8 . Evaporator Air Inlet and Outlet

air filter as follows:

Louvers.

a. General. The evaporator air inlet louver is

adjustable to control the amount of return air that

Dry cleaning solvent, P-D-680, used to

will pass through the air conditioner when the fresh

clean parts, is potentially dangerous

air ventilation damper is open. The evaporator air

to personnel and property. Avoid re-

outlet louver, mounted in front of the evaporator

peated and prolonged skin contact.

coil, has individually adjustable blades to direct the

Do not use near open flame or exces-

evaporator air outlet flow.

sive heat. Flash point of solvent is 100

b. Removal. Refer to figure 4-2 and remove

-138 F (38 -59 C).

eight screws and lockwashers, and remove the evap-

orator air inlet louver. Remove the evaporator air

(1) Wash filter in detergent and water solu-

outlet filter by removing six screws and lock-

tion or cleaning solvent (Fed. Spec. P-D-680). Dry

washers.

thoroughly.

c. Cleaning, Inspection and Repair. Clean, in-

(2) Inspect filter for damage or clogged condi-

spect and repair louvers as follows:

tion. Replace filter if damaged or clogged.

(3) Oil filter with SAE 30 oil. Drain eight

hours and wipe off excess oil.

Dry cleaning solvent, P-D-680, used to

d. Installation. Slide filter into air inlet louver

clean parts, is potentially dangerous

and secure louver to housing with eight screws and

to personnel and property. Avoid re-

lockwashers.

peated and prolonged skin contact.

e. Mist Eliminator Removal. Refer to figure

Do not use near open flame or exces-

405 and remove the top front cover. Slide the mist

sive heat. Flash point of solvent is 100

eliminator (figure 4-2) from its holder.

-138 F (38 -59 C).

f. Cleaning and Inspection. Clean and inspect

the mist eliminator as follows:

(1) Clean louvers with cleaning solvent (Fed.

Spec. P-D-680).

(2) Inspect for bent or broken louver blades.

Dry cleaning solvent, P-D-680, used to

Straighten bent blades. Replace louver if damaged.

clean parts, is potentially dangerous

d. Installation. Refer to figure 4-2, and install

to personnel and property. Avoid re-

the air inlet louver, using eight screws and lock-

peated and prolonged skin contact.

washers. Install outlet louver over discharge open-

Do not use near open flame or exces-

ing, using six screws and lockwashers.

sive heat. Flash point of solvent is 100

-138 F (38 -59 C).

4-19. Fresh Air Screen.

(1) Wash in detergent and water solution or

a. General. The fresh air screen (fig. 4-3) moun-

cleaning solvent (Fed. Sped. P-D-680). Dry thor-

ted on the rear wall of the housing, covers the fresh

oughly.

air inlet opening to prevent bugs and other air-

(2) Inspect for damaged or clogged condition.

borne matter from entering the air conditioner,

Replace if damaged or if clogged condition is not

This unit is designed for use with CBR.

corrected by cleaning.

4-10