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UPPER
AND
LOWER
LATCH
SWITCHES
AND
MONITOR
SWITCH (AUSTRALIA
AND
UNITED
KINGDOM
ONLY)
ADJUSTMENT
In case the upper and lower latch switches do not operate
properly
due to a misadjustment,
the following adjustment
should be taken.
1. Loosen the single (1) screw holding the upper latch hook
to the oven cavity front flange and the single (1) screw
holding the lower latch hook to the same flange.
2. With the door closed, adjust the lower latch hook by
moving it back and forward, and then adjust the upper
latch hook by moving it back and forward,
or up and
down.
In and out play of the door allowed by the upper and
lower latch hooks should be less than 0.5mrn.
The vertical position
of the upper latch hook should be
placed where the upper latch switch has activated with
the door closed.
The vertical position
of the lower latch hook is not able
to adjust.
3. Secure the screws with washers firmly.
4. Now, make sure the upper latch switch operation.
If
the upper latch switch has not activated with the door
5
closed, loosen the single (1) screw holding
the upper
latch hook to the oven cavity front flange and adjust the
upper latch hook position.
After the adjustment,
make sure of the following points:
1. The in and out play
of the door remains
less than
0.5mm at latched position.
First check the upper latch
hook position,
pushing and pulling the upper portion of
door toward the oven face.
Then check the lower latch
hook position,
pushing and pulling the lower portion of
door toward the oven face.
Both results (plays of the
door) should be less than 0.5mm.
2. The upper and lower latch switches interrupt
the circuit
before the door can be opened.
3. The monitor
switch contacts
close when the door is
opened.
4. Re-install
the
outer
case and
check
for microwave
leakage around
the door with an approved microwave
survey meter.
(Refer to Microwave Measurement
Procedure.)
p
Latch
Head
i
Upper
Latch
Switch
latch
Head
Lower
Latch
II
Lower
Latch
Switch
Note:
The monitor switch is provided on the Australia
and United Kingdom modeles only.
Figure 15. Latch Switches Adiustment
31
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