VENTILATION GUARD (FRESH AIR) (NOT USED ON EMP EQUIPPED UNITS).
This task covers:
Lock Washers (2)
Refrigeration Unit Service Tool Kit
Dry Cleaning Solvent
When the unit is to be operated in a nuclear/biological/chemical (NBC)
environment the fresh air opening must be sealed or connected to an appropriate
NBC filtering device.
Remove two sets of screws (1), lock washers (2) and flat washers (3). Remove ventilation guard (4).