Sharp Carousel R-990C Instrukcja serwisowa - Strona 32
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R-990C(S)
After the adjustment, make sure of the following:
1. The in and out play of the door remains less than 0.5
mm at latched position.
2. The stop switch and lower latch switch interrupt the
circuit before the door can be opened.
3. The upper latch switch contacts open when the door is
opened.
4. The monitor switch contacts close when the door is
opened.
5. Re-install the outer case and check for microwave
leakage around the door with an approved microwave
survey meter. (Refer to Microwave Measurement
Procedure.)
DOOR REPLACEMENT
1. Disconnect oven from power supply and remove outer
case.
2. Discharge high voltage capacitor.
3. Remove turntable tray and roller stay from oven cavity.
4. Remove three (3) screws holding lower oven hinge.
5. Remove lower oven hinge from oven cavity bottom flange.
6. Remove door assembly from upper oven hinge on the oven.
7. Door assembly is now free.
Note: When individual parts are replaced, refer to "Door
Disassembly".
8. On re-installing door, insert the upper oven hinge into
the door hinge pin.
Then while holding door in place.
9. Make sure door is parallel with oven face lines (left and
upper side lines) and the door latch heads pass through
the latch holes correctly.
10.Insert the lower oven hinge into oven cavity bottom flange
and then engage the door hinge pin. Then secure the
lower oven hinge firmly with three (3) mounting screws.
Note: After any service to the door;
(A)Make sure that the upper and lower latch switches, the
monitor switch and the stop 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.
DOOR ADJUSTMENT
The door is adjusted by keeping the screws of each hinge
loose. The lower oven hinge can be loosened.
After adjustment, make sure of the following :
1. Door latch heads smoothly catch the latch hook through
Remove door assembly, referring to "Door Replacement".
Replacement of door components are as follows:
CHOKE COVER
1. Place door assembly on a soft cloth with latches facing
up.
Note: As the engaging part of choke cover and door panel
DOOR REPLACEMENT AND ADJUSTMENT
DOOR DISASSEMBLY
LATCH
HEADS
DOOR OPEN
BUTTON
Figure C-1. Latch Switches Adjustment
the latch holes, and the latch head goes through the
center of the latch hole.
2. Deviation of the door alignment from horizontal line of
cavity face plate is to be less than 1.0mm.
3. The door is positioned with its face depressed toward
the cavity face plate.
4. Re-install outer case and check for microwave leakage
around the 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 the oven cavity during the
cook cycle. This function does not require that the
door be air-tight, moisture (condensation)-tight or
light-tight. Therefore, the occasional apperance of
moisture, light or the sensing of gentle warm air
movement around the oven door is not abnormal
and do not of themselves, indicate a leakage of
microwave energy from the oven cavity. If such
were the case, your oven could not be equipped
with a vent, the very purpose of which is to exhaust
the vapor-laden air from the oven cavity.
RE-INSTALL
DOOR ASSEMBLY
LATCH
HEADS
are provided at several places, do not force any particular
part.
2. Insert an putty knife (thickness of about 0.5mm) into the
gap between the choke cover and corner portion of
door panel as shown Figure C-2 to free engaging parts.
3. Lift up choke cover.
4. Now choke cover is free from door panel.
30
LATCH HOOK
UPPER LATCH SWITCH
STOP SWITCH
MONITOR SWITCH
LOWER LATCH SWITCH
SWITCH LEVER
OPEN LEVER
UPPER OVEN HINGE
LOWER OVEN HINGE
RE-INSTALL