Installation Of Ceramic Shelf - Sharp R-15AM Service Manual

Commercial microwave oven
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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,
latch angle and the earth 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
(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 then slide upwards to release
holding
them.
15.Now, the front door glass or the sealer plate is 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.
14.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.
1. Disconnect the oven from the power supply.
2. Open the oven door and wedge it open.
3. Make sure that the smooth surface of the ceramic shelf
face up.
4. Make sure that the rubber packing without a fin of the
ceramic shelf faces the front of the oven.
NOTE: The three (3) rubber packings with the fins and the
one (1) rubber packing without a fin are attached
REMOVAL
and the sealer plate
left at first
them
from the tabs

INSTALLATION OF CERAMIC SHELF

NOTE: After any service to the door;
(A) Make sure that 1st. interlock switch SW1, 2nd.
interlock relay control switch SW2 and monitor
switch SW3 are operating properly. (Refer to chap-
ter "Test Procedures".).
(B) An approved microwave survey meter should be
used to assure compliance with proper micro-
wave 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 Micro-
wave 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 mois-
ture, light or sensing of gentle warm air movement
around oven door is not abnormal and do not in
themselves indicate a leakage of microwave en-
ergy from oven cavity.
Upper
Pin
Oven
Hinge
Pin
Figure C-7. Door Replacement
to the four (4) edges of the ceramic shelf. The one
(1) rubber packing without a fin is the front edge of
the ceramic shelf.
5. Put the front edge of the ceramic shelf into the front
edge of the oven cavity bottom plate.
6. Push down the rear edge of the ceramic shelf into the
oven cavity bottom plate.
7. Now, the ceramic shelf is installed.
23
Upper Oven
Hinge
Lower
Oven
Hinge
Door
Panel
Slit choke of door
panel
Choke Cover
Lower
Oven
Hinge
R-15AM

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