Furuno FR-2115/2125 - Manual (Page 12)

1-4
4. Place the scanner unit on the rubber mat orienting the unit so the bow mark on
its base is facing the ship’s bow.
Ground
terminal
Rubber
mat
Bow mark
Figure 1-4 Scanner unit, front view
5. Fasten the scanner 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 in Figure 1-5. The location should
be within 370 mm of the ground terminal on the scanner unit. Connect the
ground wire (RW-4747, 370 mm, supplied) between the grounding point and
ground terminal on the scanner unit. Coat the entire ground system with sili-
cone sealant (supplied).
Anticorrosive sealant
Seal washer
Rubber mat
Anticorrosive
sealant
Ground wire Hex bolt
Hex bolt welded to
ship's superstructure
Hex nut
Hex nut
Spring washer
Spring washer
Spring washer
OR
Anticorrosive
sealant
Flat washer
Anticorrosive sealant
Ground
terminal
Ground
wire
Antenna base
Ground wire
Ground the equipment to
prevent electrical shock
and mutual interference.
CAUTION
Figure 1-5 How to mount the scanner unit