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How to replace a 6kW NKE-2063A antenna magnetron
Step 1: Open the upper housing.
a) Open or close the scanner unit by turning the upper housing (including the antenna) to the
bow side.
The gray area shown in the figure below must be clear.
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 Check if you can open or close safely for work.
 Be careful with the antenna behavior when
 opening or closing.
 Be careful with the antenna not to hit the mast
 or platform.
 Open it slowly. Do not apply too much force to
 the stay, otherwise, it may break.
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The upper housing is fixed with 4 M8 hexagonal
bolts.
b) Loosen those hexagonal bolts.
(Bolts are falling-out prevention bolts.)
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c) Open the upper housing by rotating upward to the bow side.
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Check if the upper housing is stable while opened.
If it is unstable, it will be dangerous while working.
Step 2: Remove the transceiver unit.
The transceiver unit is installed in the port side of the scanner.
Remove each cable connected to the transceiver unit.
Remove the equipment cable.
Remove the motor cable.
Remove the sensor cable.
Remove the safety switch cable.
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