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Page Title: CONDENSER FAN, MOTOR, AND HOUSING REPAIR.-Continued
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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
of
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

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