REASSEMBLY - TM-3-4240-284-30-P0163

TM 3-4240-284-30&P

2-11. MAIN FAN - MAINTENANCE INSTRUCTIONS (Cont).

LOCATION

ITEM

ACTION

INSTALLATION (Cont)

2. Install the rotor (17) in the fan housing (4).

3. Stand the fan housing on end with rotor shaft sup-

ported, and press a new bearing (18) on the input

end of the rotor shaft, flush against the shaft

shoulder.

4. Fill cavity of bearings (18 and 19) half full of grease

(item 5, app C).

REASSEMBLY

1. Install loading spring washer (16) on the end of rotor

shaft and press against the bearing with the fingers.

2. Position the motor cover in place on the fan hous-

ing (4). Work stator cable through rubber grom-

ment (21) to remove slack while positioning. Seat

bearing and loading spring washer in motor cover.

CAUTION

Make sure loading spring washer remains in

place on the rotor shaft and bearing is fully

seated before tightening screws.

3. Install six screws (13) and washers (14) in motor

cover.

4. Install bearing retainer plate (11 ) with four

screws (10).

2-147