DOOR SENSING SWITCH/SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH REMOVAL
1.Disconnect oven from power supply and remove outer case.
2.Discharge high voltage capacitor.
3.Remove the control panel assembly, refer to "Control Panel Removal".
4.Disconnect wire leads from each of the switches and fuse holder.
5.Remove two (2) screws holding latch hook to oven flange.
6.Remove latch hook assembly from oven flange.
7.Push outward on the one (1) stopper tabs holding each of switches place.
8.Switch is now free.
At this time switch lever will be free, do not lose it.
1.
2.
3.Secure latch hook (with two (2) mounting screws) to oven flange.
4.Make sure that the monitor switch is operating properly and check continuity of the monitor circuit. Refer to chapter "Test Procedure" and Adjustment procedure.
DOOR SENSING SWITCH/SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH ADJUSTMENT
If the door sensing switch, secondary interlock switch and monitor switch do not operate properly due to a misadjustment, the following adjustment should be made.
1.Loosen the two (2) screws holding latch hook to the oven cavity front flange.
2.With door closed, adjust latch hook by moving it back and forth, and up and down. In and out play of the door allowed by the latch hook should be less than 0.5mm.
3.Secure the screws with washers firmly.
After adjustment, check the following.
1.In and out play of door remains less than 0.5mm at the latched position.
2.The door sensing switch and secondary interlock switch interrupt the circuit before the door can be opened.
3.Monitor switch contacts close when door is opened.
4.
DOOR SENSING
SWITCH
MONITOR FUSE
MONITOR SWITCH
SECONDARY
INTERLOCK
SWITCH
Figure
DOOR REPLACEMENT AND ADJUSTMENT
REMOVAL
1.Disconnect oven from power supply and remove the outer case.
Remove turntable tray and turntable support from oven cavity.
2.Remove three (3) screws holding lower oven hinge.
3.Remove the lower oven hinge from oven cavity bottom flange.
4.Remove door assembly from upper oven hinge on the oven.
5.Door assembly is now free.
Note: When the individual parts are replaced, refer to "Door Disassembly".
6.On
7.Make sure the door is parallel with oven face lines (left and upper side lines) and door latch heads pass through latch holes correctly.
8.Insert the lower oven hinge into oven cavity bottom flange and then engaged the door hinge pin. Then secure the lower oven hinge firmly with tree (3) mounting screws.
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.
DOOR ADJUSTMENT
The door can be adjusted by keeping screws of each hinge loose.
After adjustment, 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.
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