5.3. Low voltage transformer
and/or power relays (RY1,
RY2)
NOTE:
Be sure to ground any static electric charge built up on
your body before handling the D.P.C.
(A) Using solder wick or a desoldering tool and 30W soldering
iron, carefully remove all solder from the terminal pins of the
low voltage transformer and/or power relays.
NOTE:
Do not use a soldering iron or desoldering tool of more
than 30 watts on D.P.C contacts.
(B) With all the terminal pins cleaned and separated from
D.P.C contacts, remove the defective transformer/power relays
making sure all terminal pins are inserted completely. Resolder
all terminal contacts carefully.
5.4. Fan motor
1. Disconnect 2 lead wires from fan motor terminals.
2. Remove 1 screw located on oven attaching orifice
assembly.
3. Remove orifice from oven assembly.
4. Remove 2 screws holding fan motor to oven assembly.
5. Remove fan blade from the fan motor shaft by pulling it
straight out.
5.5. Door assembly
1. Remove door C from door E by carefully pulling outward
starting from upper right hand corner using a flat blade
screwdriver.
2. Separate door E from tabs on door A and remove door A.
3. Open Door E at the opening angle of approximately
10°
(Note: The door cannot be removed if the opening
angle is greater than 10°)
.
4. Remove the door E from its hinges by pushing the door E
upward and out.
5. Remove door screen B from door A.
6. Remove door key and door key spring.
7. Place the door´s lower hinge pin into the bottom hinge hole.
8. Use your left index finger to support the door´s lower hinge
pin while guiding the door´s upper hinge pin into the top
hinge hole.
9. Lower your finger to seat the door onto the hinges.
10. Replace other components.
NOTE:
Door alignment is crucial. If door is misaligned, apply
pressure until alignment is achieved.
NOTE:
After replacement of the defective component parts of
the door, reassemble, install, and perform microwave
leakage test.
11
NN-S453WF
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