ASSEMBLY - TM-55-1905-223-24-170231

TM 55-1905-223-24-17

ASSEMBLY

a. Install stator (10) inside motor housing ,(9) with machine screws (8).

b. Place key (26) in shaft spline. Align keyway in rotor and press rotor (11) onto shaft with a hydraulic

press. Slide inner caps (19, 22) on shaft.

Install new bearings (13, 23) on shaft (17).

(1) Make sure the collars are facing each other on the shaft.

(2) Refer to measurements recorded and bearings on shaft in same positions as old bearings

that were removed.

d. Install the shaft (17) and bearings (13, 23) assembly into the motor.

e. Install washer (24) and front end bracket (5). Install bracket bolt (6).

Install outer fan (3) on motor shaft (17) and install fan clamp (25).

g. Align grease entry tube (4) and install fan cover (2). Install fan cover bolt (7).

h. Install back end bracket (12) and dirt deflector (15). Install bolt (18).

Position Woodruff key (16) in shaft spline.

Install motor (1) onto fan unit.

REPLACEMENT

a. Position motor (1) on fan unit and install to motor base (20) by connecting flat washer, lockwasher,

and motor mounting lock nut with motor mounting screw and flat washer.

b. Connect lubricating tubes to grease entries (4, 14).

Connect electrical wiring in motor jack box (21).

d. Install impeller, vane section, and outlet cone. Install ventilating fan unit (paragraph 4-11).

e. Operational check:

(1) Turn electrical power ON.

(2) Start and run fan motor to check operation.

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

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