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(9) Note the swing circle of the scanner and allow a distance of at least (swing circle/2)+200 mm
between scanner swing center and other installations (say, mast or radio antenna).
Scanner swing circle in the radar of JMA-5106/5110 is shown in the following table.
Scanner unit
NKE-2062
NKE-2102
9.2.2 Installation procedure
(a) If it is found that there is no height above the roof of the wheel house enough to directly
accommodate a scanner unit, install a pedestal or radar mast.
(b) In addition to a pedestal or radar mast, it is necessary to provide an appropriate staging for
convenience in installation, maintenance, adjustment, and repair of the scanner unit.
1. Stand
Install the stand as instructed in drawing Fig.1.1, 1.2 and 1.3 in Chapter 1. Direct the cable
gland towards ship's stern, making sure that scanner installation base is parallel to surface of
the sea. If the stand is installed directly on the top of steering room and find that the scanner
is not sufficiently high, use a pedestal or radar mast. Normally, if height of the scanner is not
more than 2 m above the roof of the steering room, place the scanner on a pedestal fixed with
angle joints. If, on the other hand, the scanner is positioned below a height of 2 m, use a
cylindrical radar mast, and place the scanner on top of it. Whether a pedestal of radar mast is
used it is necessary to provide proper foothold to facilitate the installation, maintenance,
adjustment, and repairs. (Refer to the following figure)
0AECDJ
Feet
Swing circle (mm)
4
1220
6
1910
Scanner Stand
113
Swing circle/2+200 (mm)
0AECDJ
810
1155
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