TM 9-4120-402-14
5-9. EVAPORATOR AND CONDENSER FAN MOTOR (B2) REPAIR. - continued
13 Install rear spring washer (21) into rear end shield (15) and front washer (22) into front end shield (14).
14 Coat shaft surfaces of rotor (20) with oil.
CAUTION
Bearings are permanently lubricated and sealed at the time of manufacture. Do not attempt to
clean or relubricate them. Keep bearings in plastic bags or wrap securely in grease-proof paper
until needed for reassembly.
15 Install bearings (12) and (13) onto rotor (20) shaft.
16 Carefully insert rotor (20) into field ring/stator assembly (16). Note mark made on field ring/stator assembly for
correct insertion.
17 Carefully slip front and rear end shields (14) and (15) onto rotor (20) shaft keeping the match- marks made at
time of disassembly in alignment with field ring/stator assembly (16). Secure with four sets of screws (17),
lock washers (19), and nuts (18). Check for freedom of rotation by turning shaft by hand. There should be no
drag or binding. Correct as necessary.
18 Check end play of shaft. End play should be 0.002 -0.005 inch (0.051 - 0.127 mm). If end-play is not within
limits, notify supervisor.
NOTE
FOLLOW-ON MAINTENANCE:
Install evaporator and condenser fan motor (B2) (para 4-47).
Connect power at power source.
5-31
