Furuno DRS4A Installation Manual page 11

5. Coat the hex bolts (4 pcs.) with silicone sealant. Fasten the antenna radiator to the radiator
bracket with the hex bolts, flat washers and spring washers supplied with the radiator.
1.3.2 Mounting the radar sensor
The radar sensor can be mounted using the fixing holes on the outside (200 x 200 mm) or inside
(140 x 150 mm) the radar sensor.
Using outside fixing holes of radar sensor
Use the hex bolts (supplied) to mount the radar sensor as below.
1. Lay the corrosion-proof rubber mat (supplied) on the mounting platform.
Rubber mat
Antenna
radiator
O-ring
Radiator bracket
Flat washer
Spring washer
Hex bolt
(M8 x 30)
Ground terminal
Coat threaded
holes with silicone
sealant.
Coat bolts with
silicone sealant.
Bow mark
4