 |
|||
|
|
|||
|
Page Title:
CONDENSER FAN, MOTOR, AND HOUSIING. |
|
||
| ||||||||||
|
|
 TM5-4120-384-14
4 - 3 5 . CONDENSER FAN, MOTOR, AND HOUSIING.
The condenser fan, motor, and housing are located
in
the
rear
of
condenser section of the unit.
(See fig. 4-31.)
Disconnect input power from the air conditioner
before performing maintenance on any part of the
electrical system.
The voltages used can be lethal.
a.
Inspect/Service.
(1)
Disconnect
power
at
power
source.
(2) (Models F18H-3S and F18H-1S) Remove all three top covers
(para 4-11). (Models F18H-3SA and F18H-3SB) Remove top cover (para
(3)
Check
that
all
parts
are
in
place
and
in
good
condition.
(4) Inspect impeller fan for damaged or bent blades and the
motor for signs of overheating.
Check all mounting hardware for
tightness.
(5) Disconnect P5 motor
connector
plug
and
check
for
loose,
damaged, or missing pins.
(6) Inspect condenser
fan
housing
for
damage
and
for
missing
or
defective hardware.
(7) Wipe or vacuum all dust
or
dirt
from
impeller
fan,
condenser fan housing, and motor.
(8) Repair
of
impeller
fan
and
condenser
fan
housing
is
by
replacement.
Test.
b.
(1) Use a continuity tester to check continuity of field
coils between pins A and B and between pins A and C.
Continuity
should exist.
(2) Check continuity from
pin
G
to
pins
A,
B,
C,
D,
and
E.
Continuity should not exist.
(3) Check continuity of thermal protectors between pins D
and
E.
If continuity does not exist allow motor to cool and then
recheck.
If continuity still does not exist replace motor.
Change 2
4-101
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals