Sharp R-21LTF Service Manual page 31

4. Remove the antenna motor from the oven cavity bottom plate,
referring to "ANTENNA MOTOR REMOVAL".
5. Remove the ceramic shelf from the oven cavity bottom plate.
6. Remove the one (1) screw and the one (1) washer holding the
antenna holder of the stirrer antenna assembly to the oven cavity
bottom plate through the square hole of the stirrer antenna. Refer
to Figure C-8.
7. Release the antenna holder from the one (1) tab of the oven cavity
bottom plate.
8. Remove the stirrer antenna assembly from the oven cavity bottom
plate.
9. Remove the antenna motor shaft from the hole of the oven cavity
bottom plate.
10.Now, the antenna motor shaft is free.
Screw
Washer
Square
hole
Figure C-8. Antenna Motor Shaft Removal
2. INSTALLATION
1. Install the antenna motor shaft into the hole of the oven cavity bot-
tom plate, and turn the flat faces of antenna motor shaft to the left
and right side walls of oven cavity (to fit the stirrer antenna holder).
Refer to Figure C-9.
Antenna holder
Antenna holder
Stirrer antenna
Antenna
Tab motor shaft
Oven cavity
bottom plate
Antenna motor
Screw
Stirrer antenna
Tab
Antenna
motor shaft
11 – 7
2. Set the direction of the stirrer antenna and antenna holder so that
the hole of the antenna holder fit to the centre of the stirrer
antenna's big blade. Refer to Figure C-9.
3. Hook the hole of the antenna holder on the tab of the oven cavity
bottom plate. Refer to Figure C-10.
4. Insert the antenna holder into the hole of the oven cavity bottom
plate and fit the hole of the antenna holder with an antenna motor
shaft. Refer to Figure C-10.
5. Install the antenna holder to the oven cavity bottom plate with the
one (1) screw and the one (1) washer. Refer to Figure C-8.
6. Install the antenna motor to the oven cavity bottom plate with one
(1) screw. Refer to Figure C-8.
7. Connect the wire leads to the antenna motor, referring to the picto-
rial diagram.
8. Install the base plate cover to the base plate with one (1) screw.
9. Install the ceramic shelf to the oven cavity bottom plate. Refer to
"INSTALLATION OF CERAMIC SHELF".
Antenna holder
Stirrer antenna
Figure C-9. Derection of Antenna Motor Shaft and Stirrer Antenna
Stirrer antenna assembly
Antenna holder
Antenna
motor shaft
Oven cavity bottom plate
Figure C-10. Stirrer Antenna Assembly Installation
R21LTF
Flat face Antenna
motor shaft
Flat face
Centre
Hole
Stirrer antenna's
big blade
Assembly
Tab
Antenna
motor shaft
Oven cavity
bottom plate
Stirrer antenna
Tab