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Page Title: CONDENSER FAN, MOTOR, AND HOUSING REPAIR.-Continued
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TM5-4120-384-14
5-9.
FAN
MOTOR
AND
HOUSING
REPAIR.-Continued
Remove
four
thru
bolts,
nuts
and
lock
washers.
(b)
Carefully  separate  end  shield  assemblies  from  stator
(c)
Using  a  brass  or  plastic  bar  and
and  cable  assembly.
hammer  tap  opposite  sides,  top,  and  bottom  in
alternating  sequence  to  break  end  bracket  loose.
Remove
end
shield
assemblies.
(d)
NOTE
Be  sure  load  wavy  spring  washer (s) are not
Note  their
lost  during  motor  disassembly.
position  for  use  in  reassembly.
Pull  or  carefully  drive  bearings
off  of  rotor  assembly.
(e)
Retain  wavy  spring  washer(s)  for
use  at  reassembly  if
not  damaged.
Examine  rotor,  stator  and
shafts  for  nicks,
gouges
(f)
deformations,  and  evidence
of  overheating.
Dress  high  metal  defects  in  shafts  with  a  fine  file  or
(g)
stone.
If  damage  exceeds  repairable  limits,  replace
motor.
Coat  shaft  surfaces  of  rotor  with  oil  (MIL-L-2104,
(h)
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
shield
assemblies
with
(i)
oil.
Coat
wavy
spring
washer(s)
with
oil
(MIL-L-2104,
Grade
(j)
20).
Carefully  slip  end  shield  assemblies  stator  and  cable
(k)
assembly and shaft and rotor assembly back together.
lake  care  that  wavy  spring  washer(s)  and  match  marks
are  in  their  original  position.
Place  four  thru  bolts  thru  motor  assembly  and  secure
(l)
Check for freedom of
with  four  nuts  and  lock  washers.
There  should
rotation  by  turning  motor  shaft  by  hand.
be  no  drag  or  binding.
Change 1
5-22.2

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