Furuno FR-1918V-BB Installation Manual page 10

1. MOUNTING
5. Fasten the antenna unit to the mounting platform with M12x60 hex. bolts, nuts, flat
washers and seal washers.
6. Use hex. bolt (M6x25), nut (M6) and flat washers (M6) to establish the ground sys-
tem on the mounting platform as shown below. The location should be within 340
mm of the ground terminal on the antenna unit. Connect the ground wire
(RW-4747, 340 mm, supplied) between the grounding point and the ground termi-
nal on the antenna unit. Coat the entire ground system with adhesive (supplied).
Antenna unit fixing bolt
(Sectional view)
Mounting Platform
The ground point must be within 300 mm from the ground termninal on
the antenna unit.
7. Confirm that the hoist rings are removed.
1-4
Anticorrosive adheasive
Ground wire
Antenna chassis
Ground wire
Mounting Platform
Anticorrosive
adheasive
Ground wire
Hex. bolt welded to ship's superstructure
Anticorrosive adheasive
Seal washer
Rubber mat
Flat washer
Spring washer
Hex. nut (Torque: 49 N•m )
Hex. bolt
Flat washer
Flat washer
Spring washer
Hex. nut
or
Coat with marine adheasive.
Hex. nut
Spring washer
Flat washer
Hex. nut
Mounting Platform