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Page Title:
CONDENSER FAN, HOTOR, AND HOUSING REPAIR. |
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 TM5-4120-384-14
5-9.
CONDENSER FAN, HOTOR, AND HOUSING REPAIR.
Direct support maintenance repair of the condenser fan motor is
limited to replacement of the electrical connector, thermal
overloads, and bearings.
Repair of the condenser fan and fan
For access, inspection testing,
housing is by replacement.
removal and installation see paragraph 4-35.
NOTE
Check nameplate on motor for manufacturer and model
number and use repair instructions below which
pertain to the motor in your air conditioner.
Repair.
For additional information on electric motor
repair
refer
to FM 20-31 (Electric Motor and Generator Repair).
( See
a.
Motor
Assembly,
Welco
Industries
Inc.,
Model
M4720-50.
TO r e p l a c e
connector:
(1)
(a)
Loosen
cable
clamp.
(b)
Tag
and
unsolder
leads.
(c)
Remove
old
connector.
(d)
See wiring diagram
figure 4-4 and
tags
and
leads
Remove tags.
to new connector.
(e)
Secure
cable
clamp.
(2) To replace overload (thermal) protectors: Overload
If testing (para 4 -
protectors are not replaceable on this motor.
35) indicates an open overload protector) replace motor.
(3)
To
replace
(a)
Match-mark stator
and
both
end
brackets
to
ease
reassembly.
(b)
Remove
four
screws
each
from
front
and
rear
brackets.
(c)
Carefully separate end brackets from stator. Using a
brass or plastic bar and hammer tap opposite sides, top
and bottom in alternating sequence to break end
brackets loose.
(d)
Remove
end
brackets.
5-18.2 Change 1
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