Table 2. Unit Preventative Maintenance Checks and Services.

TM 9-4120-428-14

0017 00

Table 2. Unit Preventative Maintenance Checks and Services.

ITEM NO.

ITEMS TO BE

PROCEDURES

INSPECTED/SERVICED

1. Check louvers (1) for stiffness or binding.

Return Air Louver

2. Remove, inspect, clean, repair, and lubricate

louver as necessary.

3. Place louver aside and reinstall after Item No. 4.

1. Remove, clean, inspect, and service the filter

Conditioned Air Filter

(2).

2. Discard and replace filter (2), if damaged.

1. Place filter aside and reinstall after Item No. 4.

1. Wipe dust or dirt from the fan (1), motor (2),

Conditioned Air

and all

other components and surfaces in

the area.

Motor

2. Inspect the fan (1) for damaged or bent blades;

the motor (2) for signs of overheating; and all

mounting hardware for tightness and security.

0017 00-2