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20
R-246(G)
R-246(SL)
R-246(W)
R-246(SL)
R-246(W)
switch is in the upper position.
2. Reconnect wire leads to each switch. Refer to chapter
"Pictorial Diagram".
3. Secure latch hook (with two (2) mounting screws) to
oven flange.
4. Reinstall the control panel assembly to the oven cavity
front flange.
5. Reconnect wire leads to the control unit. Refer to
chapter "Pictorial Diagram".
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.
chapter "Test Procedure", and Adjustment Procedure
below.
Figure C-5. Latch Switch Removal
1. CARRY OUT 3D CHECKS.
If the monitored latch switch, 2nd. interlock relay control
switch and monitor switch do not operate properly due to
a misadjustment, the following adjustment should be
made.
2. Loosen the two (2) screws holding the latch hook to the
If the monitored latch switch, 2nd. interlock relay control
switch and monitor switch do not operate properly due to
a misadjustment, the following adjustment should be
made.
2. Loosen the two (2) screws holding the latch hook to the
flange of the oven front face.
3. With the 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 upper and lower position of the
latch hook should be less than 0.5mm. The horizontal
position of the latch hook should be adjusted so that the
monitor switch is activated with the door closed. The
vertical position of the latch hook should be adjusted so
that the 2nd. interlock relay control switch and the
monitored latch switch are activated with the door
closed.
door allowed by the upper and lower position of the
latch hook should be less than 0.5mm. The horizontal
position of the latch hook should be adjusted so that the
monitor switch is activated with the door closed. The
vertical position of the latch hook should be adjusted so
that the 2nd. interlock relay control 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
5. Check the operation of all switches. If each switch has
not activated with the door closed, loosen screw and
adjust the latch hook position.
adjust the latch hook position.
After adjustment, make sure of the following.
1. In and out play of the door remains less than 0.5mm
1. In and out play of the door remains less than 0.5mm
when in the latched position. First check upper position
of latch hook, pushing and pulling upper portion of door
toward the oven face. Then check lower portion of the
latch hook, pushing and pulling lower portion of door
toward the oven face. Both results (play in the door)
of latch hook, pushing and pulling upper portion of door
toward the oven face. Then check lower portion of the
latch hook, pushing and pulling lower portion of door
toward the oven face. Both results (play in the door)
MONITORED LATCH SWITCH, 2ND. INTERLOCK RELAY CONTROL SWITCH AND
MONITOR SWITCH ADJUSTMENT
should be less than 0.5mm.
2. The monitored latch switch and 2nd. interlock relay
control switch interrupt the circuit before the door can
be opened.
be opened.
3. The monitor switch contacts close when the door is
opened.
4. The contacts of monitored latch switch and 2nd. inter-
lock relay control switch open within 1.6mm gap be-
tween right side of cavity face plate and door when door
is open.
tween right side of cavity face plate and door when door
is open.
5. Reinstall outer case and check for microwave leakage
around the door with an approved microwave survey
meter. (Refer to Microwave Measurement Procedure.)
meter. (Refer to Microwave Measurement Procedure.)
Figure C-6. Latch Switch Adjustments
Removal
1. Disconnect the power supply cord.
2. Open the door slightly.
3. Insert a putty knife (thickness of about 0.5mm) into the
1. Disconnect the power supply cord.
2. Open the door slightly.
3. Insert a putty knife (thickness of about 0.5mm) into the
gap between the choke cover and corner portion of door
panel as shown in Figure C-7 to free engaging parts.
panel as shown in Figure C-7 to free engaging parts.
4. Pry the choke cover by inserting a putty knife in order
shown in figure C-7.
5. Release choke cover from door panel.
6. Now choke cover is free.
6. Now choke cover is free.
NOTE: When carrying out any repair to the door, do
not bend or warp the slit choke (tabs on the
door panel assembly) to prevent microwave
leakage.
door panel assembly) to prevent microwave
leakage.
DOOR REPLACEMENT
Figure C-7. Door Disassembly
Putty Knife
Door Frame
Choke Cover
6
7
8
9
10
11
12
1
2
3
4
5
Latch Heads
Latch Hook
Door
Monitor
Switch
Switch
Monitored
Latch
Switch
Latch
Switch
2nd. Interlock
Relay Control
Switch
Relay Control
Switch
Latch Hook
Monitor
Switch
Switch
Monitored
Latch
Switch
Latch
Switch
Pole
Pole
Bar
Outward
Outward
Tab
Tab
2nd. Interlock
Relay Control
Switch
Relay Control
Switch
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