Furuno 851 MARK-2 installation manual Mounting the Antenna Unit, Outside fixing holes

1. MOUNTING

3.Coat threaded holes on the antenna radiator with silicone sealant.

4.Grease the O-ring and set it to the radiator bracket.

5.Lay the antenna radiator on the radiator bracket.

6.Coat the radiator fixing bolts (4 pcs.) with silicone sealant. Fasten the antenna radiator to the radiator bracket with the radiator fixing bolts, flat washers and spring washers.

Antenna radiator

O-ring Radiator bracket

Flat washer Spring washer Hex head bolt (M8 x 30)

Coat threaded holes with silicone sealant.

Coat bolts with silicone sealant.

Figure 1-3 Fastening the radiator bracket to the antenna unit chassis

1.4 Mounting the Antenna Unit

The antenna unit can be mounted using the fixing holes on the outside (200 x 200 mm) or inside (140 x 150 mm) the antenna unit.

Outside fixing holes

Use the hex head bolt (supplied) to mount the antenna unit as below.

1. Lay the corrosion-proof rubber mat (supplied) on the mounting platform.

Ground terminal

Rubber mat

Bow mark

Figure 1-4 Location of rubber mat

1-3