Disassembly And Parts Replacement Procedure; Magnetron; Fan Motor; Stirrer Motor - Panasonic NE-1022F Service Manual

4 DISASSEMBLY AND PARTS REPLACEMENT
PROCEDURE
4.1.

Magnetron

1. Discharge the high voltage capacitor.
2. Remove 2 screws holding magnetron thermal cutout.
3. Remove 1 screw holding air guide A.
4. Disconnect 2 high voltage lead wires from magnetron
filament terminals.
5. Remove 4 screws holding the magnetron.
NOTE:
After replacement of the magnetron, tighten mounting
screws properly making sure there is no gap between
the waveguide and
microwave leakage.
CAUTION
When replacing the magnetron, be sure the antenna gasket is in
place.
CAUTION
When connecting 2 filament lead wires to the magnetron terminals,
be sure to connect the lead wires in the correct position. The lead wire
of high voltage transformer should be connected to "F terminal" and
the lead wire from high voltage capacitor should be connected to "FA
terminal".
the magnetron to prevent
4.2.

Fan motor

1. Disconnect 2 lead wires from fan motor terminals.
2. Disconnect 2 lead wires from fuse holder terminals.
3. Disconnect 4 high voltage lead wires from high voltage
capacitor terminals.
4. Remove 5 screws holding fan motor and orifice assy,
detach the orifice assy with fan motor from oven assy.
5. Remove fan blade from the fan motor shaft by pulling it
straight Out.
6. Separate the fan motor from the orifice assy by freeing 2
catch hooks on the orifice assy.
4.3.

Stirrer motor

1. Remove the motor cover by breaking off at the 8 spots
indicated by arrows with a cutter or the like. (See Figure)
Note:
After breaking off the motor cover, make sure the cut-off
portions are properly trimmed off or bend to inside so
that no sharp edge will expose to outside.
2. Disconnect 2 lead wires connected to the stirrer motor.
3. Remove the stirrer motor by removing 2 screws.
Note:
To reinstall the motor cover, use 4x6 screw.
7
NE-1022F