5. Disassembly and Reassembly(continued)
5-2. Reassembly
After replacement of the defective component parts of the door, reassemble it and follow the instructions below
for proper installation and adjustment so as to prevent an excessive microwave leakage.
1. When mounting the door to the oven, be sure to adjust the door parallel to the bottom line of the oven face
plate by moving the upper hinge and lower hinge in the direction necessary for proper alignment.
2. Adjust so that the door has no play between the inner door surface and oven front surface. If the door assembly
is not mounted properly, microwave energy may leak from the space between the door and oven.
3. Do the microwave leakage test.
5-3. Replacement of Fuse
1. Disconnect the oven from the power source.
2. When fuse blows out by the operation of interlrocskwimontchitofailure, replace the primary interlock switch,
door sensing switch, monitor switches and power relay.
3. When the above three switches operate properly, check if any other part such as Inverter P.C.B(80A), blower
motororSub P.C.B(5A)is defective.
5-4. Replacement of Drive Motor
1. Take out the glass tray and guide roller from the cavity.
2. Turn theovenupsidedowntoreplace thedrive motor.
3. Remove a screw securing the drive motor cover.
4. Disconnect all the lead wires from the drive motor.
5. Remove screws securing the drive motor to the cavity.
6. Remove the drive motor and coupler.
7. When replacing the drive motor, be sure to remount it in the cor-rect
position with the coupler.
8. Connect all the leads to the drive motor.
9. Screw the drive motor cover to the base plate with a screw driver.
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ACEC
