Furuno FAR-3230S(-BB) Installation Manual page 19

5. Using a hex bolt (M6×x25), nut (M6), spring washer (M6) and flat washer (M6),
establish the ground system on the mounting platform as shown below. The loca-
tion must 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
ground terminal on the antenna unit. Coat the hardware of the ground system with
the marine sealant (supplied).
Antenna chassis side
Mounting platform side
Ground wire
Mounting Platform Mounting Platform
Marine Marine
sealant sealant
Arrange ground terminal as close as possible to antenna unit.
Ground wire
Coat with marine sealant.
Hex bolt
Flat washer
OR
Flat washer
Spring washer
Hex nut
Fasten ground wire then
coat with marine sealant.
Antenna chassis Antenna chassis
Ground wire
Mounting Platform Mounting Platform
Welding
1. INSTALLATION
Hex nut
Spring washer
Flat washer
Hex bolt
1-7