Power Transformer Removal; Hood Fan Motor, Hood Duct, Oven Lamp Socket And Ah Sensor Removal - Frigidaire CGMV173KB Servicing

Power Transformer Removal

REMOVAL
1. Disconnect the power supply cord, remove the oven
from wall, and remove outer case. (Refer to
procedure of "Removal Of Oven From Wall" and
"Outer Case Removal".) Proceed as follows.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
NOTE
To discharge the high voltage capacitor, wait for 60
seconds and then short-circuit the connection of the
high-voltage capacitor (that is the connecting lead of
the high-voltage rectifier) against the chassis with the
use of an insulated screwdriver.
4. Remove one (1) screw holding the hood duct to the
oven cavity front flange.
5. Disconnect the stop switch harness from the chassis
support and disconnect the wire leads from the fan
motor.
6. Lift up the fan motor side of the hood duct.
7. Disconnect filament leads of transformer from the
magnetron and capacitor.
8. Disconnect high voltage leads of capacitor from the
transformer.
9. Disconnect wire leads from transformer.
10. Remove two (2) screws holding the transformer to
right base plate.
RE-INSTALL
1. Install by sliding the transformer on the right base
plate with its primary terminals toward outer case.
2. Secure the transformer with two (2) screws to
bottom plate.
3. Re-connect wire leads (primary and high voltage)
to the transformer and filament leads of transformer
to magnetron and high voltage capacitor. Refer to
"PICTORIAL DIAGRAM".
4. Re-install the hood duct holding the fan motor to the
oven cavity front flange with one (1) screw.
5. Re-connect the wire leads to the chassis support and
the fan motor, referring to "PICTORIAL DIAGRAM".
6. Re-install the outer case and check that oven is
operating properly.
CAUTION
Make sure the wire leads never touch the fan
blade.
Section 4 Component Teardown
Hood Fan Motor, Hood Duct, Oven Lamp
Socket And AH Sensor Removal
1. Disconnect the power supply cord and remove the
oven from wall and remove outer case. (Refer to
procedure of "Removal of Oven from Wall" and
"Outer Case Removal".)
2. Open the door and block it open.
3. Discharge high voltage capacitor.
NOTE
To discharge the high voltage capacitor, wait for 60
seconds and then short-circuit the connection of the
high-voltage capacitor (that is the connecting lead of
the high-voltage rectifier) against the chassis with the
use of an insulated screwdriver.
HOOD FAN MOTOR
4. Disconnect the 6-pin connector of the hood fan
motor from the main wire harness located at the
right edge of the hood duct and release the snap
band from the hood duct.
5. Remove the hood fan motor from the hood duct by
lifting it up.
6. Now, the hood fan motor is free.
HOOD DUCT
7. Disconnect the connector CN-F from the control unit.
8. Remove one (1) screw holding the hood duct to the
oven cavity front plate.
9. Release the 6-pin connector and the 3-pin connector
of the main harness A from the hood duct.
10. Disconnect the wire leads from the fan motor and
chassis support, and release the wire leads from
holes of the hood duct.
11. Remove the two (2) unit mounting screws from the
chassis support (right side) and the hood duct (left
side).
12. Remove the one (1) screw holding the chassis
support.
13. Remove the chassis support.
14. Remove the hood duct from the oven cavity by
lifting it up.
Continued on next page
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