RETURN AIR LOUVER AND AIR FILTER. - TM-5-4120-384-140114

TM5-4120-384-14

4-12. SCREENS AND GUARDS.-Continued

Clean.

(1) Usually

only

necessary

wipe

brush

the

dirt

from

the guards.

Dry cleaning solvent (Fed Spec P-D-680) used to clean

parts is potentially dangerous to personnel and

Do not use near open flame or excessive

property.

Flash point of solvent is 100F to 138F (38C

heat.

Skin, eye, and respiratory protection is

to 59C).

required to avoid injury to personnel.

(2) If the guards are extremely dirty, clean with

detergent

solution or dry cleaning solvent (Fed Spec P-D-680).

Refer requirements

c. Inspect. Check for general condition.

for repair or replacement to direct support maintenance.

Secure

the

guards

with

screws

and

lock

Installation.

washers.

4 - 1 3 . RETURN AIR LOUVER AND AIR FILTER.

The return air louver is located on the lower front of the

unit.

(See

The air filter is clipped to the back side of the louver.

fig. 4-10.)

Removal.

(1)

Remove

eight

screws

and

lock

washers

and

pull

louver

from

unit.

(2)

Remove

filter

from

clips

back

louver.

Clean.

(1) Usually

it is only necessary to wipe or brush the dirt

If the louver is extremely dirty, it can be

from the louver.

washed following

the same procedure as the filter.

Dry cleaning solvent (Fed Spec P-D-680) used to clean

parts is potentially dangerous to personnel and

Do not use near open flame or excessive

property.

Flash point of solvent is 100F to 138F (38C

heat.

to 59C).

Skin, eye, and respiratory protection is

required to avoid injury to personnel.

Change 1

4-42.2