PILLOW BLOCK (FRONT) BEARING

TM5-4110-234-14

TO 40R7-5-7-1

4-47. PILLOW BLOCK (FRONT) BEARING

See figures 4-22 or4-23.

a. Access.

(1)

Disconnect power.

(2)

Open condenser side access doors.

b. Lubrication. See paragraph 4-11.

c. Removal.

(1)

On the F1000O RG-2 only, restrain fan shaft with appropriate tool and remove the nut and washer from the

end of the shaft.

(2)

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.

(3)

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

(4)

Loosen the setscrew in the 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.

(5)

Slide the bearing and locking collar off the shaft.

d. Installation.

(1)

Slide the locking collar and bearing on the shaft.

(2)

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

(3)

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.

(4)

If a lubrication fitting was not supplied with the new bearing, remove the fitting from the old bearing or obtain

a new one. Remove the plug in the bearing and install the lubrication fitting.

(5)

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

(6)

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.

(7)

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

(8)

On the F10000RG-2 only, restrain fan shaft with appropriate tool and install the nut and washer on the end of

the shaft.

(9)

Close access doors.

(10)

Connect power.

4-48. FAN SHAFT PULLEY (F10000R-6)

See figure 4-22.

a. Access.

(1)

Disconnect power.

(2)

Open condenser side access doors.

Change 1 4-59