1. INSTALLATION
1-9
How to fasten the Antenna Unit to the mounting platform
1. Construct a suitable mounting platform referring to the outline drawing at the end
of this manual.
Note: The mounting platform must be flat, level and firmly secured.
2. Lay the rubber mats (supplied) on the mounting platform.
3.Place the Antenna Unit on the supplied
rubber mats, then orient the unit so the
nameplate on the scanner box is facing the
ship’s bow.
Note: When the Antenna Unit is placed on
the platform, make sure that the platform is
not inclined.
4.Insert four sets of hex bolts (M1260) at-
tached the seal washers to the mounting holes of the antenna chassis.
5. Adjust the direction of the Antenna Unit so the nameplate is facing the ship’s bow.
6. Fasten the Antenna Unit to the mounting
platform with four sets of hex bolts, nuts, flat
washers and seal washers. The torque
must be 49 N•m.
Note: For how to fasten the double nuts,
see the installation guide (C3900Y01) at the
back of this manual.
7. Using a hex bolt (M625), nut (M6) and flat
washer (M6), establish the ground system
on the mounting platform. The location must be within 340 mm of the ground ter-
minal on the Antenna Unit. Connect the ground wire (RW-4747, 340 mm, sup-
plied) between the grounding point and ground terminal on the Antenna Unit. Coat
the hardware of the ground system with the supplied adhesive.
Antenna chassis side
M12×60 (4 places)
Ground terminal
REARREAR
Adhesive
Ground wire
Antenna
Chassis
Antenna
Chassis
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