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R-21JCA
7. Release two (2) pins of door panel from two (2) holes of
upper and lower oven hinges by lifting up.
8. Now, door sub assembly is free from oven cavity.
DOOR PANEL REMOVAL
9. Remove the four (4) screws holding the door panel to the
door frame.
10.Release door panel from seven (7) tabs of door frame by
sliding door panel downward.
11.Now, the door panel is free.
DOOR HANDLE REMOVAL
12.Release the latch spring from the tab of the latch angle
assembly.
13.Remove the two (2) screws holding the door handle and
the latch angle assembly through the door frame.
14.Now, door handle is free.
LATCH HEADS REMOVAL
15.Remove the one (1) screw holding the latch angle
assembly to the door frame.
16.Remove the latch angle assembly together with the latch
lever, latch spring and the upper and lower latch heads
from the door frame.
17.Release the latch lever together with the latch spring and
the latch heads from the latch angle assembly.
18.Release the two (2) latch heads from the latch lever.
19.Now, the upper and lower latch heads are free.
FRONT DOOR GLASS OR SEALER PLATE REMOVAL
(After DOOR PANEL REMOVAL)
12.Remove the four (4) screws holding the glass stopper U
to the door frame and remove the glass stopper U.
13.Remove the two (2) screws holding the glass stopper R
to the door frame and remove the glass stopper R.
14.Slide the front door glass and the sealer plate left at first
and then slide upwards to release them from the tabs
holding it.
17.Now, the front door glass or the sealer plate free.
DOOR CASE REMOVAL
(After DOOR PANEL REMOVAL)
12.Straighten all tabs of the door case holding the door case
to the door frame.
13.Release door case from the door frame.
17.Now, the door case is free
NOTE: At this moment, the door badge is attached on the
door case.
RE-INSTALL OF THE DOOR
1. Re-install all door parts except the choke cover.
2. Catch two (2) pins of door panel on two (2) holes of upper
and lower oven hinges.
3. Re-install choke cover to door panel by pushing.
NOTE: After any service to the door;
(A) Make sure that door sensing switch and secondary
interlock switch are operating properly. (Refer to
chapter "Test Procedures".).
(B) An approved microwave survey meter should be
used to assure compliance with proper microwave
radiation emission limitation standards. (Refer to
Microwave Measurement Procedure.)
After any service, make sure of the following :
1. Door latch heads smoothly catch latch hook through
latch holes and that latch head goes through center of
latch hole.
2. Deviation of door alignment from horizontal line of cavity
face plate is to be less than 1.0mm.
3. Door is positioned with its face pressed toward cavity
face plate.
4. Check for microwave leakage around door with an
approved microwave survey meter. (Refer to Microwave
Measurement Procedure.)
Note: The door on a microwave oven is designed to act as
an electronic seal preventing the leakage of microwave
energy from oven cavity during cook cycle. This
function does not require that the door be air-tight,
moisture (condensation)-tight or light-tight. Therefore,
occasional appearance of moisture, light or sensing
of gentle warm air movement around oven door is not
abnormal and do not in themselves indicate a leakage
of microwave energy from oven cavity.
Figure C-7. Door Replacement
ANTENNA MOTOR SHAFT REPLACEMENT
REMOVAL
1. Disconnect the power supply cord.
2. Open the door and block it open.
3. To discharge the high voltage capacitor, wait for 60
seconds.
4. Remove the antenna motor from the oven cavity bottom
Upper Oven
Hinge
Upper
Oven
Hinge
Lower
Oven
Hinge
Lower
Oven
Hinge
Pin
Pin
Choke Cover
Slit
Chok
Door
Panel
Summary of Contents for R21JCA - Commercial Microwave Oven
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