Sharp R-1501 Temperature Fuse Magnetron Removal, Cooling Fan Motor Removal, than normal, pliers

R-1500

R-1501

R-1505

R-1506

TEMPERATURE FUSE (MAGNETRON) 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.To discharge the high voltage capacitor, wait for 60 seconds.

4.Remove the fan duct assembly from the oven cavity,

referring to the procedure of " COOLING FAN MOTOR REMOVAL".

5.Disconnect the wire leads from the temperature fuse (Magnetron).

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

7.Now, the temperature fuse (Magnetron) is free.

COOLING FAN MOTOR REMOVAL

1.

Disconnect the power supply cord, remove the oven

15.Remove the fan blade from the shaft of the fan motor by

from wall and remove outer case (Refer to procedure of

pulling and rotating the fan blade with your hand.

"Removal of Oven from Wall" and "Outer case Removal".)

16. Now, the fan blade will be free.

2.

Open the door and block it open.

CAUTION:

3.

To discharge the high voltage capacitor, wait for 60

*

Do not reuse the removed fan blade because the

seconds.

hole (for shaft) may be larger

than normal.

4. Remove the three (3) screws holding the hood intake duct

17.Remove the two (2) screws holding the fan motor to the

R to the oven cavity top plate, the oven cavity front flange

fan duct.

and the fan duct. And remove the hood intake duct R.

18.Now, the fan motor is free.

5. Remove the one (1) screw holding the hood duct R to the

oven cavity top plate. And remove the hood duct R.

INSTALLATION

6.

Disconnect the wire leads from the fan motor.

1.

Install the fan blade to the fan motor shaft according to

7.

Disconnect the high voltage wire lead with the high

the following procedure.

voltage rectifier from the magnetron.

2.

Hold the center of the bracket which supports the shaft

8.

Disconnect the filament lead of the transformer from the

of the fan motor on the flat table.

high voltage capacitor.

3.

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

9.

Disconnect the high voltage wire A from the capacitor.

the fan blade with a small, light weight, ball peen hammer

10.Release the wire leads from the hole of the fan duct.

or rubber mallet.

11.Remove two (2) screws holding the fan duct to oven

4.

Install the fan motor to the hood duct with the two (2) screws.

cavity top plate and the base plate R.

CAUTION:

12. Remove the fan duct assembly from the oven cavity.

*

Do not hit the fan blade with excesive force when

13.Remove the fan blade from the fan motor shaft according

installing because the bracket may be disfigured.

the following procedure.

*

Make sure that the fan blade rotates smooth after

14.Hold the edge of the rotor of the fan motor by using a pair

installation.

of groove joint pliers.

*

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

CAUTION:

5.

Install the fan duct to the oven cavity top plate and base

*

Make sure that any pieces do not enter the gap

plate R with the two (2) screws.

between the rotor and the stator of the fan motor

6.

Reconnect the wire leads to the fan motor, magnetron

because the rotor is easily shaven by pliers and

and high voltage capacitor, referring to the pictorial

metal pieces may be produced.

diagram.

*

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

7.

Re-install the wire leads to the hole of the fan duct.

because the coil may be cut or damaged.

8.

Re-install the hood intake duct R to the oven cavity top

*

Do not disfigure the bracket by touching with the

plate, the oven cavity front flange and the fan duct with

pliers.

the three (3) screws.

9.

Refer to procedure of "OUTER CASE REMOVAL". And

Coil

Groove joint pliers

reverse their procedure. And re-install the outer case.

Shaft

Stator

Shaft

These are the positions

Gap

Axis

that should be pinched

Table

Center of

Bracket Rotor

Stator

with pliers

bracket

Rear View

Rotor

Side View

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