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R-480J
26
toward the oven face. Then check lower portion of the
latch hook, pushing and pulling lower portion of the
door toward the oven face. Both results (play in the
door) should be less than 0.5mm.
2. The 1st. latch switch and 2nd. interlock relay control
switch interrupt the circuit before the door can be
opened.
3. Monitor switch contacts close when door is opened.
4. Re-install outer case and check for microwave leakage
around door with an approved microwave survey meter.
(Refer to "Microwave Measurement Procedure".)
Figure C-5. Latch Switch Adjustments
DOOR REPLACEMENT
REMOVAL
1. Disconnect oven from power supply.
2. Push the open button and open the door slightly.
3. Insert a putty knife (thickness of about 0.5mm) into the
gap between the door stopper and the choke cover to
free engaging parts as shown in Figure C-6.
4. Try the principles of the lever and lift up the door
stopper.
5. Now, the door stopper is free from the door assembly.
6. Release two (2) pins of door panel from two (2) holes
of upper and lower oven hinges by lifting up.
7. Now, door assembly is free from oven cavity.
8. Insert a putty knife (thickness of about 0.5mm) into the
gap between the choke cover and door frame as shown
in Figure C-6 to free engaging parts.
9. Pry the choke cover by inserting a putty knife as shown
Figure C-6.
10.Release choke cover from door panel.
11.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.
Figure C-6. Door Disassembly
12.Slide latch head upward and remove it from door frame
with releasing latch spring from door frame and latch
head.
13.Now, latch head and latch spring are free.
14.Remove the three (3) screws holding the door panel to
the door frame.
15.Release door panel from nine (9) tabs of door frame by
sliding door panel downward.
16.Now, door panel with sealer film is free.
17.Tear sealer film from door panel.
18.Now, door panel is free.
19.Remove door screen from door frame as follows.
1) Turn the door frame over. Refer to Figure 1.
2) Push the lower right corner of the door screen by
your finger from the front side of the door frame. And
slide the door screen over the lower right corner tab
until the lower and right edges of the door screen
touch the tabs of the door frame. Refer to Figure 2.
View; back side of door frame
3) Turn the door frame back. Refer to Figure 3.
4) Push the upper right corner of the door screen by
your finger from the back side of the door frame.
And slide the door screen counter clockwise. Refer
to Figure 3.
5) Pull out the door screen toward the upper right
corner of the door frame. Refer to Figure 4.
View; front side of door frame
20.Now, door screen is free.
RE-INSTALL
1. Re-install door screen to the door frame by reversing
the procedure of item 19 of "REMOVAL".
2. Put sealer film on door panel. Refer to “Sealer Film”
about how to handle new one.
3. Re-install door panel to door frame by fitting nine (9)
tabs of door frame to nine (9) holes of door panel.
4. Hold the door panel to the door frame by sliding the
Latch Hook
1st. Latch
Switch
Monitor
Switch
Switch
Lever
Latch
Heads
Door
2nd. Interlock
Relay Control
Switch
4
3
2
1
5
6
7
9
8
10
11
12
13
Choke Cover
Door Frame
Putty Knife
Door stopper
Tabs
Door frame
Door
screen
Tabs
Lower Right
Corner Tab
Lower Left
Corner Tab
1
2
3
4