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COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
MONITORED LATCH SWITCH, STOP SWITCH AND MONITOR SWITCH REMOVAL
MONITOR SWITCH
1. CARRY OUT 3D CHECKS. 2. Remove the control panel assembly referring to �CONTROL PANEL REMOVAL�. 3. Disconnect the leads from all switches. 4. Remove the two (2) screws holding the latch hook to the oven cavity. 5. Remove the latch hook. 6. Push the retaining tab slightly and remove the switch.
MONITORED LATCH SWITCH TAB
TAB STOP SWITCH TAB
Figure C-3. Switches
MONITORED LATCH SWITCH, STOP SWITCH AND MONITOR SWITCH ADJUSTMENT
If the monitored latch switch, stop switch and monitor switch do not operate properly due to a mis-adjustment, the following adjustment should be made. 1. CARRY OUT 3D CHECKS 2. Loosen the two (2) screws holding the latch hook to the oven cavity front flange. 3. With door closed, adjust the latch hook by moving it back and forward, or up and down. In and out play of the door allowed by the latch hook should be less than 0.5 mm. The horizontal position of the latch hook should be placed where the monitor switch and activated with the door closed. The vertical position of the latch hook should be placed where the monitored latch switch and stop switch have activated with the door closed. 4. Secure the screws with washers firmly. 5. Make sure the monitored, latch switch, stop switch and monitor switch operation. If those switches have not activated with the door closed, two (2) screws holding latch hook to oven cavity front flange and adjust the latch hook position. After adjustment, make sure of following: 1. In and out play of door remains less than 0.5 mm when latched position. First check latch hook position, pushing and pulling the door toward the oven face. The results (play of the door) should be less than 0.5 mm. 2. The contacts (COM - NO) of monitored latch switch and stop switch interrupt the circuit before the door can be opened. R-333 - 24 3. The contacts (COM - NC) of the monitor switch close when the door is opened. 4. The contacts (COM - NO) of the monitored latch switch open when the door is opened. 5. Re-install outer case and check for microwave leakage around the door with an approved microwave survey meter. (Refer to Microwave Measurement Procedure.)
LATCH HOOK
MONITOR SWITCH SW2 MONITORED LATCH SWITCH SW1
LATCH HEADS
STOP SWITCH SW3
OPEN LEVER DOOR OPEN BUTTON
Figure C4 Latch Switches Adjustment
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