3.Insert four hex bolts (M12x60, supplied) and seal washers (Ф30, supplied) from the top of the antenna housing, as shown below.

Hex bolt

Seal washer

Flat washer

Spring washer

Nut

Fixing the antenna unit chassis

4.Pass flat washers (M12, supplied), spring washers (M12, supplied) and nuts (M12, supplied) onto hex bolts. Fasten by tightening nuts. Do not fasten by tightening the hex bolts; seal washers may be damaged.

Seal washer

 

 

Antenna

Rubber mat

unit

Mounting

 

 

platform

Flat washer

Silicone

 

sealant

How to fasten antenna unit to mounting platform

5.Coat flat washers, spring washers, nuts and exposed parts of bolts with anticorrosive sealant.

6.Prepare ground point in mounting platform (within 300 mm of ground terminal on antenna unit) using M6 x 25 bolt, nut and flat washer (supplied).

7.Run the ground wire (RW-4747, 340 mm, supplied) between the ground terminal and ground point.

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Image 31
Furuno 1953C-BB, GD-1900C-BB, 1943C-BB Fixing the antenna unit chassis, How to fasten antenna unit to mounting platform