5-5
E. MAGNETRON REMOVAL
1) Disconnect the leadwire from high voltage
transformer and high voltage capacitor.
2) Carefully remove the mounting screws holding the
magnetron and the waveguide.
3) Remove the magnetron assembly 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
energy leakage with a survey meter around the
magnetron. Microwave energy must be below the limit
of 5mW/cm
2
. (With a 275 ml. water load).
Make sure that gasket is rigidly attached to th
magnetron. To prevent microwave leakage, tighten
the mounting screws properly making sure there is no
gap between the waveguide and the magnetron.
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