Removal. - TM-5-4110-234-140095

TM5-4110-234-14

TO 40R7-5-7-1

b. Removal.

(1)

Loosen the two setscrews and slide the fan off the end of the shaft. Take care not to damage the coil fins.

Take care that the shaft key is not lost.

(2)

Remove the two cap screws and lock nuts and the bearing support spacer.

(3)

Loosen the setscrew in the pillow block bearing locking collar and using a spanner wrench or a brass drift pin

turn the collar opposite to the direction of the shaft rotation to release the locking device.

(4)

Slide the bearing and locking collar off the shaft.

(5)

Loosen the motor mounting bolts and slide the motor so that the belt can be removed from the shaft pulley.

(6)

Remove the two cap screws from the pulley bushing.

(7)

Remove the pulley from the bushing. If necessary the two cap screws removed in (6) above can be used as

jack screws by screwing them into the tapped holes in the bushing flange.

(8)

Remove the bushing from the shaft. Take care that shaft key is not lost.

c. Installation.

(1)

Loose assemble the pulley and pulley bushing and slide them on the shaft over the shaft key.

(2)

Aline the pulley face with the pulley on the motor and tighten the cap screws in the pulley bushing.

(3)

Slide the locking collar and bearing on the shaft.

(4)

Slip the bearing support spacer into place and secure the bearing with two cap screws and lock nuts.

(5)

Using a spanner wrench or a brass drift pin turn the bearing locking collar the same direction as the shaft

rotation to lock in place on the end of the bearing and tighten the setscrew.

(6)

Check to see that the fan key is in place on the shaft.

(7)

Aline the fan hub keyway and the shaft and key and slide the fan into place on the shaft. Take care not to

damage the coil fins.

(8)

Apply loctite to both fan hub setscrews and tighten them on the shaft and key.

(9)

Place the belt on both pulleys and slide the motor away from the center of the unit to take up belt slack.

Proper belt tension is a deflection of 1/2 inch (1.3 cm) midway between pulleys.

Do not permit the motor to twist or cock on its mount. Uneven belt wear and bearing damage may result.

(10)

Tighten the motor mounting bolts.

(11)

Close the access doors.

(12)

Connect Power.

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