T M 9-4120-401-14
4-16. VENTILATION GUARD (FRESH AIR) (NOT USED ON EMP EQUIPPED UNITS)
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Dry cleaning solvent used to clean parts is potentially dangerous to personnel
and property. Do not use near open flame or excessive heat. Use in well
ventilated area.
b. Clean.
Wipe or brush the dirt from the screen. If the screen is extremely dirty, clean with a detergent solution or dry
cleaning solvent.
c. Replace.
Replace ventilation guard (4) if badly dented or bent or if wire screen is tom.
d.
lnstall.
Position ventilation guard (4) against unit and aline mounting holes. Secure in place with two sets of screws
(1), lock washers (2), and flat washers (3).
This task covers:
a. Remove
b. Clean
c. Replace
d. Install
INITIAL SETUP
Tools
Materials/Parts
Refrigeration Unit Service Tool Kit
Lock Washers (27)
Rags
Scrub Brush
Dry Cleaning Solvent
Detergent
a. Remove.
(1) Remove 27 sets of screws (1) and lock washers (2). Remove guard (3) and EMI screen (4) (EMP
equipped units only).
(2) Remove four snap fastener studs (5) from guard (3).
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