REPLACEMENT - TM-55-1905-223-24-170099

TM 55-1905-223-24-17

(3)

Remove V-belt (2) from around pulley (3) on motor shaft and pulley (11) on fan shaft.

(4)

Install new belt on pulleys (3) and (11).

(5)

Adjust belt tension. Refer to adjustment step in this procedure.

b. Replace machine key (4).

(1)

Use a puller and remove pulley (3) from motor shaft.

(2)

Remove machine key (4) from shaft spline.

(3)

Install new machine key (4) into shaft spline on motor.

(4)

Align and install pulley (3) onto motor shaft.

(5)

Install V-belt (2) and adjust tension. Refer to adjustment step in this procedure.

REPLACEMENT

a. Position and support the fan assembly.

b. Install mounting bolt, nut, and lockwasher assemblies (10) in each end of the fan drum (9).

c. Adjust belt as required (refer to adjustment step in this procedure).

d. Connect electrical wires to their proper terminals on the motor (5).

e. Install weather cover (1) with bolts (12).

f. 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 breaker.

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