Furuno FAR-2117 Installation Manual page 13

4. Place the antenna unit on the rubber mat, orienting the unit so the bow mark on its base
is facing the ship's bow.
5. Fasten the antenna unit to the mounting platform with M12x60 hex bolts, nuts, flat
washers and seal washers.
6. Using hex bolt (M6x25), nut (M6) and flat washer (M6), establish the ground system 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 ground terminal on the antenna unit. Coat
the entire ground system with silicone sealant (supplied).
Anticorrosive sealant
Seal washer
Rubber mat
Anticorrosive
sealant
Bow mark
Antenna unit, front view
Anticorrosive sealant
Antenna base
How to mount the antenna unit
Ground
terminal
Rubber
mat
Ground wire
Hex bolt
Spring washer
Spring washer
Hex nut
Anticorrosive
OR
sealant
Ground wire
Hex nut
Spring washer
Flat washer
Hex bolt welded to
ship's superstructure
Ground
terminal
Ground
wire
1. MOUNTING
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