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[Operation check]
After replacement, perform the following operations.
1
Turn on the radar, and maintain it in the standby state for 20 to 30 minutes.
2
Start transmission in a short pulse range, and gradually change to longer ranges. At this
time, open the service engineer menu and perform provisional tuning adjustment.
If operation becomes unstable in the meantime, immediately change the equipment back into
the standby state, leave it there for 5 to 10 minutes, and restart transmission.
3
After long range transmission for about 15 minutes, open the service engineer menu again
and perform tuning adjustment.
In the service engineer menu, perform adjustment for the tune indicator bar on the display to
reach 80%.
15.5.2.4 Magnetron replacement procedure for radar antenna NKE-
2063A
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.
Notes:
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.
The upper housing is fixed with 4 M8 hexagonal bolts.
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Section 15 Maintenance & Inspection
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