Reassembly Test; Replacement Of Fuse; Replacement Of Drive Motor - Samsung G2739NR Service Manual

4-3 Replacement of Door Assembly (Continued)

4-3-4 Reassembly Test

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.

4-4 Replacement of Fuse

1. Disconnect the oven from the power source.
2. When 12A fuse blows out by the operation of interlock monitor switch failure, replace the primary interlock switch,
door sensing switch, monitor switch and power relay.
3. When the above three switches operate properly, check if any other part such as the control circuit board, blower
motor or high voltage transformer is defective.

4-5 Replacement of Drive Motor

1. Take out the glass tray, guide roller from oven cavity,
disconnect power.
2. Remove turn table motor cover from case bottom.
CAUTION : Remove sharp edge after cover removal.
3. Disconnect leads from motor.
4. Remove the screws securing motor to bottom of over
cavity and lift out the motor.
5. When replacing the motor, be sure to remount it in the
correct position.
NOTE : The shaft of motor should fit tip coupler.
6. Screw the motor to bottom of oven cavity.
7. Connect leads to the drive motor.
8. Screw the drive motor cover to the base plate with a
screw driver.
NOTE : Bring the spare screw from service center.
COVER FIXING SCREW : MATCHINE SCREW(6006-001170)
Drive Motor Cover
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Drive Motor
Base Plate