Panasonic NN-J993 Service Manual page 18

8.11. Oven thermistor
NOTE: If you are doubt about following pocedures please
replace by whole lead wire harness.
Replace thermister.
1. Remove screw.
2. Cut lead wire at 60mm.
3. Cut tube in 35mm.
Do not cut lead wires.
4. 15mm short cut one side lead wire and remove insulation in
7mm.
5. Insert insulation and solder connection of new thermistor.
a. After soldering lead wires make sure isolated by insulation
tube and bind them together.
6. Insert tube for secure insulation.
8.12. Shelf
1. Remove frame
2. Remove outer cabinet
3. Locate oven just off the table and insert screw driver to push
up.
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NN-J993