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Section 21 Maintenance & Inspection
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21.5.2.3 Magnetron
replacement
procedure for radar antenna
NKE-1125/A
、
NKE-2254-HS
1
Turn Off the safety switch of the radar antenna.
When replacing a magnetron,
turn Off the safety switch of the
radar antenna.
Turn off the safety switch located on
the bottom of the stern side of the
radar antenna.
2
Remove the cover.
The magnetron is mounted on the
right side (starboard side) of the radar
antenna. Remove the right side
cover.
The cover is secured in place with
hexagon head bolts (M8, designed to
be protected from falling out) at four
positions.
After removing the cover, place it in a
safe area.
Exercise care to avoid dust or other
foreign matters adhering to the
packing.
Four hexagon head bolts
Safety
switch
OFF