Sharp R21JCA - Commercial Microwave Oven, Supplemental Service Manual

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13
R-21JCA
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.
Figure C-8. Antenna Motor Shaft Removal
INSTALLATION
1. Install the antenna motor shaft into the hole of the oven
cavity bottom 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.
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.
Figure C-9. Derection of Antenna Motor Shaft and
Stirrer Antenna Assembly
Figure C-10. Stirrer Antenna Assembly Installation
Screw
Square
hole
Screw
Antenna motor
Antenna
motor shaft
Antenna holder
Stirrer antenna
Oven cavity
bottom plate
Tab
Washer
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 pictorial 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" .
Flat face
Flat face
To right wall
of oven cavity
To left wall of
oven cavity
Antenna
motor shaft
Antenna holder
Stirrer antenna
Stirrer antenna's
big blade
Centre
Hole
Antenna holder
Stirrer antenna
Antenna holder
Stirrer antenna
Antenna
motor shaft
Tab
Stirrer antenna assembly
Tab
Antenna
motor shaft
Antenna
motor shaft
Oven cavity
bottom plate
Oven cavity bottom plate
Tab