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F. AIR DUCT ASSEMBLY / REMOVAL
1) Disconnect the leadwire from lamp.
2) Remove the mounting screw to the magnetron.
G. MAGNETRON REMOVAL
1) Disconnect the leadwire from themagnetron.
2) Carefully remove the mounting screws holding the
magnetron to the waveguide.
3) Remove the magnetron ASS’Y until the tube is
clear from the waveguide.
NOTE:
1. When removing the magnetron, make sure its
dome does not hit any adjacent parts, or it may be
damaged.
2. When replacing the magnetron, be sure to install
the magnetron gasket in the correct position and
be sure that the gasket is in good condition.
3. After replacing the magnetron, check for microwave
leakage with a survey meter around the
magnetron. Microwave energy must be below the
limit of 5 mW/cm
2
. (With a 275 ml. water load).
Make sure that gasket is rigidly attached to the
magnetron. To prevent microwave leakage,
tighten the mounting screws properly, making sure
there is no gap between the waveguide and the
magnetron.
G. REMOVING SENSOR
1) Disconnect the leadwire from PCB Assembly.
2) Remove a screw securing the sensor duct.
5-5
Waveguide
Magnetron
Gasket
Magnetron
Dome
Waveguide
Bracket
Magnetron
Alr duct