Furuno SC-50 manual Installing the Antenna Units, Antenna unit SC-303

2 INSTALLATION

2.2Installing the Antenna Units

2.2.1Antenna unit SC-303

Note: “Bird-repellent fixtures” may be attached to the antenna cover to prevent birds from alighting on the cover. If it is more convenient to attach them before fixing the antenna unit to the mounting location, do step 9 before fixing the antenna unit.

NOTICE

Fasten the antenna to the mounting location lastly if it is more convenient to connect the antenna cable before mounting the antenna unit.

1.Prepare a mounting platform (wood, steel or aluminum) in accordance with the illustration shown below. If corrosive material is used, take necessary anti-corrosion measures.

Note: When drilling holes in the platform, be sure they are parallel with the fore-and-aft line.

2.Fasten the antenna unit to the platform with four sets of M10 hex. bolts, spring washers and flat washers, orienting it as shown below. (The bow mark

( ) on the antenna should face the bow.) The torque for the hex. bolts should be between 19.6-24.5 Nm.

NOTICE

Do not open the antenna.

This installation does not require removal of the antenna cover.

N

U

R

F U

BOW

240 160

Fixing Hole (f11 mm)

Flat Washer

160

Spring Washer

Hex. Bolt

240

Mounting dimensions for antenna, orienting the antenna

2-4