24
R-202EW
R-203EW
COOLING FAN MOTOR REMOVAL
CONTROL PANEL ASSEMBLY REMOVAL
1. Disconnect the power supply cord and remove outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. Disconnect the leads from the control unit.
5. Remove the one (1) screw holding the control panel to
the front plate of the oven cavity.
6. Now, the control panel assembly is free.
NOTE: 1. Before attaching a new key unit, remove remaining
adhesive on the control panel frame surfaces
completely with alcohol.
2. When attaching the key unit to the control panel
frame, adjust the upper edge and right edge of
the key unit to the correct position of control panel
frame.
3. Stick the key unit firmly to the control panel frame
by rubbing with soft cloth not to scratch.
Removal
1. Disconnect the power supply cord.
2. Remove the turntable and turntable support from the
oven cavity.
3. Turn the oven over.
4. Remove the one (1) screw holding the turntable motor
cover to the bottom plate.
5. Now, the turntable motor cover is free.
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 TTM packing from the turntable motor.
10.Now, the turntable motor is free.
TURNTABLE MOTOR REMOVAL
Re-install
1. Re-install the TTM packing.
2. Re-install the turntable motor with theTTM packing with
the single (1) screw.
3. Re-connect the wire leads to the turntable motor.
4. Insert the tab of the turntable motor cover into the hole of
the bottom plate.
5. Re-install the turntable motor cover to the bottom plate
with one (1) screw.
Figure C-2. TTM packing Installation
TTM packing
Turntable motor
REMOVAL
1. Disconnect the power supply cord and remove outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. Remove the magnetron from the waveguide. Refer to
chapter "MAGNETRON REMOVAL"
5. Disconnect the wire lead from the C/T fuse.
6. Remove the one (1) screw to get the C/T fuse off.
7. Disconnect the wire leads from the fan motor.
8. Disconnect the wire lead from the disconnect the fan
duct.
9. Remove the three (3) screws holding the fan duct to the
oven cavity.
10.Release the fan motor assembly from the oven cavity.
11.Remove the fan blade from the fan motor shaft according
to the following procedure.
12 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 disfigure the bracket by touching with the
pliers.
13.Remove the fan blade assembly from the shaft of the fan
motor by pulling and rotating the fan blade with your
hand.
14.Now, the fan blade will be free.
CAUTION:
• Do not re-use the removed fan blade because
the hole (for shaft) may be larger than normal.
15.Remove the two (2) screws holding the fan motor to the
fan duct.
16.Now, the fan motor is free.
INSTALLATION
1. Install the fan motor to the fan duct with the two (2)
screws.
2. Install the fan blade to the fan motor shaft according to
the following procedure.
3. Hold the center of the bracket which supports the shaft
of the fan motor on the flat table.
4. Apply the screw lock tight into the hole (for shaft) of the
fan blade.
5. 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.