Electrolux EW30MO55HSA Service Manual download pdf (Page 32)

Component Teardown

4-2

Magnetron Removal

1. Disconnect the oven power supply cord and remove

outer case.

2. Discharge high voltage capacitor.

3. Disconnect filament lead of transformer from

magnetron.

4. Disconnect high voltage wire lead from magnetron.

5. Carefully remove four (4) mounting screws hold the

magnetron to waveguide, when removing the screws

hold the magnetron to prevent it from falling.

6. Remove the magnetron from the unit with care so the

magnetron tube does not hit by any metal objects

around the tube.

Outer Case Removal

1. Disconnect the power supply cord.

2. Remove six (6) screws holding top duct and remove.

3. Remove the eight (8) screws on the back side of the

outer case and two ducts to the back plate.

4. Remove the four (4) screws holding the right and left

sides of the outer case cabinet to the bottom plate.

5. Remove three (3) screws on top of the cabinet

directly behind the control panel.

6. Slide the entire outer case cabinet back out about 1

inch to free it from the retaining clips on the oven

cavity front plate.

7. Lift the entire outer case cabinet from the unit.

1. Disconnect oven from power supply before

removing outer case.

2. Discharge the high voltage capacitor before

touching any oven components or wiring.

When replacing the magnetron, be sure the R.F.

Gasket is in place and mounting screws are

tightened securely.

Power Transformer Removal

REMOVAL

1. Disconnect the oven power supply cord and remove

outer case.

2. Discharge high voltage capacitor.

3. Disconnect filament leads of transformer from the

magnetron and capacitor.

4. Disconnect high voltage lead of capacitor from the

transformer.

5. Disconnect wire leads from transformer.

6. Remove two (2) screws holding the transformer to

the base cabinet.

RE-INSTALL

1. Rest the transformer on the base cabinet with its

primary terminals toward rear cabinet.

2. Insert the two edges of the transformer into two metal

tabs of the base cabinet.

3. Make sure the transformer is mounted correctly to

the corners underneath those tabs.

4. After re-installing the transformer, secure transformer

with two screws to the base cabinet, one is with an

outer tooth washer and the other is without outer

tooth washer.

5. Re-connect the wire leads (primary and high voltage)

and high voltage lead to the transformer and filament

leads of transformer to the magnetron and capacitor,

referring to the Wiring Diagram.

6. Re-install the outer case and check that the oven is

operating properly.

Hot (orange) wire must be connected to the power

transformer terminal nearest to the transformer

mounting screw.

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.

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.

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Electrolux EW30MO55HSA Service Manual Page 32

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