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COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
MONITORED LATCH SWITCH, MONITOR SWITCH AND
STOP SWITCH REMOVAL
1. CARRY OUT 3D CHECKS.
2. Disconnect the wire leads from the switches
and control panel.
3. Remove the control panel assembly from the
oven cavity front flange. Referring to chapter
"CONTROL
PANEL
ASSEMBLY
REMOVAL".
4. Remove the one (1) screw holding the latch
hook to the oven flange.
5. Remove the latch hook assembly from the
oven
flange.
6. To remove the switch.
6-1. With pushing outward on the tab that is
holding the switch, turn the switch so that the
post is an axis.(Monitor Switch).
With pushing outward on the tab that is
holding the switch, slide the switch out of the
latch hook.(Stop Switch and Monitored Latch
switch).
6-2. Pull out the switch from the latch hook. Do
not break the post or tab of the latch hook.
6-3. Now the switch is free.
Re-install
1. Re-install each switch in its place. The
monitored latch switch is in the lower
position and the monitor switch is
in the middle position. The stop switch is in
the upper position.
2. Re-connect wire leads to each switch. Refer
to charter “Pictorial Diagram”.(page 32)
3. Secure latch hook (with one (1) mounting
screw) to oven.
flange.
4. Re-install the control panel assembly to the oven
cavity front flange.
5. Re-connect wire leads to the control unit. Refer to
chapter “Pictorial Diagram”.(page 33).
6. Make sure that monitor switch is operating properly
and check continuity of the monitor circuit. Refer to
chapter “Test Procedure”, and Adjustment
Procedure
below.
Figure C-2. Latch Switches Removal
MONITORED LATCH SWITCH, MONITOR SWITCH AND
STOP SWITCH ADJUSTMENT
1. CARRY OUT 3D CHECKS.
If the monitored latch switch, stop switch and
monitor switch do not operate properly due
to a misadjustment, the following adjustment
should be made.
2. Loosen the one (1) screw holding the latch
hook to the flange of the oven front face.
3. With the door closed, adjust latch hook by
moving it up and down. In and out play of
the door allowed by the upper and lower
position of the latch hook should be less
than 0.5mm. The vertical position of the
latch hook should be adjusted so that the
stop switch and the monitored latch switch
are activated with the door closed.
4. Secure the screws firmly.
5. Check the operation of all switches. If each
switch has not activated with the door
closed, loosen screw and ad just the latch
hook
position.
After adjustment, make sure of the
following.
1. In and out play of the door remains less than
0.5mm when in the latched position.
2. The monitored latch switch and stop switch
interrupt the circuit before the door can be
opened.
3. The monitor switch contacts (COM-NC) close
when the door is opened.
4. Re-install outer case and check for microwave
leakage around the door with an approved
microwave survey meter. (Refer to Microwave
Measurement
Procedure.)
Figure C-3. Latch Switch Adjustments
Latch hook
SW3:Stop switch
Tab
Tab
SW2:Monitor switch
SW1:Monitored latch switch
Tab
Door
Latch hook
SW3: Stop switch
SW2: Monitor switch
SW1: Monitored latch
switch
Latch heads
