REPLACEMENT - TM-55-1905-223-24-170120

TM 55-1905-223-24-17

e. Replace motor bearings:

(1) Remove electric motor from fan (REPAIR, step d., above).

(2) The procedures for replacing motor bearings are the same as those for Exhaust Fan #3. Refer to

REPAIR, steps b. through d., paragraph 2-29.

(3) Install motor (REPAIR, step d., above).

(4) Connect electrical wiring to proper terminals on motor (15, FIGURE 2-21).

REPLACEMENT

a. Position fan and connect outlet flange (6) to ducting with nut, bolt, and washer assemblies (4, 5).

b. Connect inlet flange (3) to ducting.

c. Connect electrical wiring to proper terminals on motor (15).

d. Install weather cover (1) with screws (17).

e. Operational check:

(1) Turn electrical power ON.

(2) Start and run fan to check for proper operation.

(3) Remove "Out of Service" tag from circuit.

2-91