LG MC-924JL, Руководство по обслуживанию

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5-5
E. AIR DUCT ASSEMBLY REMOVAL
1) Disconnect the leadwires from the lamp, micro switch,
damper motor, and damper switch.
2) Remove the screws holding the oven cavity and latch
board, air duct, and air tunnel assembly.
3) Remove the mounting screws holding the magnetron
and air duct assembly.
4) Remove air tunnel.
5) Pull latch board assembly and air duct assembly.
F. MAGNETRON REMOVAL
1) Remove the mounting screw holding the magnetron
and air duct assembly.
2) Disconnect the leadwire from the magnetron.
3) Carefully remove the mounting screws holding the
magnetron and the waveguide.
4) Remove the magnetron from the waveguide.
NOTE:
1. When removing the magnetron, make it sure 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.
Waveguide
Magnetron
Gasket
Magnetron
Dome
Waveguide
Bracket
Magnetron
Air Duct Ass’y