CONDENSER FAN, MOTOR, AND HOUSING REPAIR.-Continued

TM5-4120-384-14

5 - 9 . CONDENSER FAN, MOTOR, AND HOUSING REPAIR.-Continued

(d)

Remove

end

bracket.

NOTE

Be sure load

spring is not lost during motor

Note its position for use in

disassembly.

reassembly.

Carefully

slide

rotor

out

stator

housing.

(e)

Press out or carefully drive bearings out of end

(f)

Retain load spring for

use

bracket and stator housing.

at reassembly if not damaged.

Examine rotor, stator, and shafts for nicks,

gouges

(g)

deformations, and evidence of overheating.

Dress high metal defects in shafts with a fine file or

(h)

If damage exceeds repairable limits replace

stone.

motor.

Coat shaft surfaces of rotor with oil (MIL-L-2104,

(i)

They

Grade 20) and slide bearings on shaft ends.

should seat against shoulders at the inner ends of

shaft.

Coat the bearing cavity of end bracket and stator

(j)

housing with oil and carefully slide rotor into stator

until bearing is seated.

Work end bracket onto shaft until bore fits over end of

(k)

Keep the matchmark made during disassembly in

stator.

alignment.

Place four

screws

through

end

bracket

into

stator

(l)

housing.

Tap around end-bracket with a plastic or rawhide mallet

(m)

Tighten in alternating

while tightening screws.

Check

sequence until all screws are equally tightened.

for freedom of rotation by turning motor shaft by hand.

There should be no drag or binding.

5-22