Mounting the antenna unit of MODEL1933C-BB/1943C-BB/1953C-BB

Referring to the outline drawing at the back of this manual, drill five holes in the mounting platform: four holes of 15 mm diameter for fixing the antenna unit and one hole of 25-30 mm diameter for the signal cable.

Fastening the radiator to the radiator bracket

For your reference, the antenna installation materials list appears in the packing lists at the back of this manual (see page A-2 to A-3).

1.Remove the radiator cap from the radiator bracket.

2.Coat contacting surface between the antenna radiator and the radiator bracket with silicone sealant as shown in the figure below.

ANTENNA RADIATOR

(bottom view)

Groove

Radiator

Coat grey area with silicone sealant.

(MODEL 1933C-BB)

RADIATOR BRACKET

(top view)

10mm

Coat hatched area with

silicone sealant.

(MODEL 1943C-BB/1953C-BB)

Coating the antenna with silicone sealant

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.

Fastening the radiator bracket to the antenna unit chassis

1-19

Page 29
Image 29
Furuno 1833C-BB, GD-1900C-BB Fastening the radiator to the radiator bracket, Coating the antenna with silicone sealant