Furuno FR-8045 Installation Manual page 13

3. Set four hex head bolts (M12×60, supplied) and seal washers (supplied) from the
top of the antenna housing, as shown below.
4. Set the flat washers (M12, supplied), spring washers (supplied) and nuts (sup-
plied) to the hex head bolts. Tighten by turning the nuts. Do not tighten by turning
the hex head bolts, to prevent damage to the seal washers.
Bolt
Nut
5. Apply anti-corrosive sealant to the flat washers, spring washers, nuts and visible
parts of bolts.
6. Prepare the ground point on the platform. Use an M6×25 bolt, nut and flat washer
(supplied). The ground point must be within 300 mm from the ground terminal on
the antenna unit.
7. Run the ground wire (RW-4747, 340 mm, supplied) between the ground terminal
and the ground point.
8. Apply marine sealant to the ground terminal and ground point as shown below.
Hex bolt
Ground wire
Mounting Platform Mounting Platform
Spring washer
Hex nut
OR
Ground wire
Mounting Platform Mounting Platform
Welding
Marine sealant
Seal washer
Antenna chassis
Corrosion proof
rubber mat
Seal washer
Marine sealant
Coat with marine sealant.
Flat washer
Flat washer
Hex nut Ground wire
Spring washer
Flat washer
Hex bolt
8
1. HOW TO INSTALL THE SYSTEM
Hex bolt
Seal washer
Flat washer
Spring washer
Nut
Fasten ground wire then
coat with marine sealant.
Antenna chassis Antenna chassis