Viking VMOC205SS Power Supply Cord Replacement, Control Panel Assembly and Control Unit Removal

DMOC205SS

VMOC205SS

16.Remove the two (2) screws and nuts holding the fan motor to the fan duct.

17.Now, the fan motor is free.

INSTALLATION

1.Install the fan motor to the fan duct with the two (2) screws and nuts.

2.Install the fan blade to the fan motor shaft according the

following procedure.

1)Hold the center of the bracket which supports the shaft of the fan motor on the flat table.

2)Apply the screw lock tight into the hole (for shaft) of the fan blade.

3)Install the fan blade to the shaft of fan motor by pushing

the fan blade with a small, light weight, ball peen hammer or rubber mallet.

CAUTION:

*Do not hit the fan blade strongly when installed

Coil

Groove joint pliers

because the bracket may be disfigured.

*Make sure that the fan blade rotates smooth after installation.

*Make sure that the axis of the shaft is not slanted.

3. Reset the fan duct assembly to its place.

4. Install the tabs of fan duct to the rear cabinet and air guide.

5. Install the magnetron air guide with the one (1) screw.

6. Reinstall the main harness and thermistor harness to each hole of the fan duct.

7. Reinstall the chassis support to the control panel back plate, waveguide and rear cabinet with the three (3) screws.

8. Re-connect the wire leads to the fan motor, referring to the pictorial diagram.

9. Re-install the fan motor grounding wire to the air guide (Right) with one (1) screw.

Shaft

Stator

Gap

Bracket Rotor

Shaft

Axis

Stator

Rotor

These are the positions that should be pinched with pliers.

Table	Center of
	bracket

Rear View Side View

POWER SUPPLY CORD REPLACEMENT

Removal

1.Disconnect oven from power supply and remove outer case.

2.Discharge high voltage capacitor.

3.Disconnect the white and black wires of the power supply cord from the noise filter.

4.Remove the one (1) screw holding the earth wire of the power supply cord to the base cabinet.

5.Remove the power supply cord from the rear cabinet.

Re-install

1.Insert the power supply cord into the rear cabinet.

2.Connect the white and black wires of the power supply cord into the terminal of noise filter, referring to the Pictorial Diagram.

3.Re-install the earth wire of the power supply cord to the base cabinet with the one (1) screw.

Noise filter

GRY RED	Power
White wire	supply cord
N
H
Black wire
	Rear Cabinet
Green wire	Base Cabinet

Figure C-3. Power supply cord replacement

CONTROL PANEL ASSEMBLY AND CONTROL UNIT REMOVAL

To remove the control panel, procedure as follows:

1.Disconnect oven from power supply and remove outer case.

2.Discharge high voltage capacitor.

3.Disconnect connector CN-A, CN-E and CN-F from the control unit.

4.Disconnect the wire leads from the relays RY1, RY2 and RY3.

5.Remove one (1) screw holding the control panel back plate to the chassis support.

6.Remove two (2) screws holding the bottom edge of the back plate to the cabinet base.

7.Remove one (1) screw holding the back plate to the oven

cavity flange.

8.Lift up and pull the control panel assembly forward. Replacement of individual component is as follows;

CONTROL UNIT AND KEY UNIT

1.Disconnect the wire connector from the control unit.

2.Remove the four (4) screws holding the panel frame to the back plate.

3.Separate the panel frame and back plate.

4.Remove the three (3) screws holding the control unit to the panel frame.

5.Lift up the control unit and disconnect the key connector from the control unit.

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