Furuno FAR 3220, Installation Manual

Page: 28 / 245

1. INSTALLATION
1-6
3. Place the Antenna Unit on the platform, then orient the unit so the bow mark on
its base is facing the ship’s bow.
Note: When the Antenna Unit is placed on the platform, make sure that the plat-
form is not inclined.
4. Insert four sets of hex bolts (M12

70)
attached the seal washers to the
mounting holes of the antenna chassis,
referring to the installation guide
(C3900Y01) at the back of this manual.
Lift the antenna chassis slightly then in-
sert the bolts attached the insulation
sheets.
Note: DO NOT insert the bolts from the underside of the platform. The cover can-
not be opened.
5. Adjust the direction of the Antenna Unit so the bow mark on its base is facing the
ship’s bow.
6. Fasten the Antenna Unit to the mounting platform with four sets of hex bolts
(M12

70), nuts, flat washers and seal washers. Insert the bolts from the topside
of the platform.
7. Using a hex bolt (M6

25), nut (M6) and flat washer (M6), establish the ground sys-
tem on the mounting platform. The location must be within 340 mm of the ground
terminal 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
FRONT
Bow mark (▼)
M12×70 (four places)
Ground terminal
Adhesive
Ground wire
Antenna Chassis