Sharp R-210A, Service Manual

R-210A

15

POWER SUPPLY CORD REPLACEMENT

Removal
1. CARRY OUT 3D CHECKS.
2. Disconnect the wire leads from the power supply cord.
3. Remove the one (1) screw holding the power supply

cord to the oven cavity back plate.

4. Remove the power supply cord from the oven cavity

back plate.

Re-install
1. Insert the power supply cord into the oven cavity back plate.
2. Secure the one (1) screw holding the power supply

cord to the oven cavity back plate..

3. Connect the white and black wires of the main wire

harness into the terminal of the power supply cord,
referring to the Pictorial Diagram.

TURNTABLE MOTOR REPLACEMENT

Removal

1. Disconnect the oven from the power supply.
2. Remove the turntable and turntable support from the

oven cavity.

3. Turn the oven over.
4. Cut the four (4) bridges holding the turntable motor

cover to the bottom plate with the cutting pliers as
shown in Figure C-4.

CAUTION: DO NOT DROP THE TURNTABLE MOTOR

COVER INTO THE OVEN AFTER CUTTING
THE BRIDGES. BECAUSE IT WILL DAM-
AGE THE WIRE LEADS OF THE MOTOR
AND IT IS DIFFICULT TO REMOVE IT OUT
OF THE OVEN.

5. Remove the turntable motor cover from the bottom

plate.

6. Disconnect the wire leads from the turntable motor.
7. Remove the single (1) screw holding the turntable

motor to the oven cavity.

8. Remove the turntable motor from the oven cavity.

9. Remove the O-ring and washer from the turntable

motor.

10.Now, the turntable motor is free.

Re-install

1. Remove the any sharp edges on the turntable motor

cover and the bottom plate with the cutting pliers.

2. Re-install the O-ring.
3. Apply the grease (Shinetsu  silicone grease G-420 of

Sinetsu Chemical Co. Ltd. or Toray Silicone grease
SH-14 of Toray Silicone Co., Ltd.) to the O-ring and the
base of the turntable motor shaft as shown in Figure C-
6.

4. Re-install the turntable motor with the O-ring and

washer  to the oven cavity with the single (1) screw.

5. Re-connect the wire leads to the turntable motor.
6. Insert the tab of the turntable motor cover into the hole

of the bottom plate as shown in Figure C-4.

7. Re-install the turntable motor cover to the bottom plate

with one (1) screw XHTSD40P08RV0 or
XFPSD40P08K00 as shown in Figure C-4.

Cutting pliers

Bridges

Bridges

Turntable motor 
cover

XHTSD40P08RV0

or

XFPSD40P08K00

Tab

Hole

Bottom plate

Screw: 

Washer

O-ring

Base of turntable

motor shaft

Turntable motor

O-ring

Washer

Apply grease here

Figure C-4. Turntable Motor Cover

Figure C-5.  Washer and O-ring Installation and

Grease Applying.

REMOVAL

1. CARRY OUT 3D CHECKS.
2. Disconnect the wire leads from the fan motor.
3. Remove the one (1) screw holding the chassis support

to the oven cavity front plate.

4. Remove the chassis support .
5. Release the filament lead of the power transformer and

the H.V. wire from the fan duct.

6. Remove the one (1) screw holding the fan duct to the

waveguide flange.

7. Release the fan motor assembly from the oven cavity.
8. Remove the fan blade from the fan motor shaft accord-

ing to the following procedure.
1) Hold the edge of the rotor of the fan motor by using

a pair of groove joint pliers.

CAUTION:
• Make sure that any pieces do not enter the gap

between the rotor and the stator of the fan
motor. Because the rotor is easy to be shaven
by pliers and  metal pieces may be produced.

• Do not touch the pliers to the coil of the fan

motor because the coil may be cut or injured.

• Do not transform the bracket by touching with

the pliers.

2) Remove the fan blade assembly from the shaft of

the fan motor by pulling and rotating the fan blade
with your hand.

3) Now, the fan blade will be free.

FAN MOTOR REPLACEMENT