Furuno DRS6A X-Class Installation Manual page 45

1. INSTALLATION AND WIRING
• Hoist the antenna unit slowly. If the antenna unit is hoisted too quickly, the
bracket can be damaged.
6. Place the antenna unit on the mounting platform with the BOW mark on the unit
aligned with the ship's bow.
BOW mark BOW mark
7. Secure the antenna unit, using the supplied flat washers (M12, 4 pcs), spring
washers (M12, 4 pcs), and hex. nuts (M12, 8 pcs).
8. Apply silicone rubber to the flat washers, spring washers, and hex. nuts.
Bow Bow
Detailed view
Corrosion-proof
rubber pad
Spring washer
Hex. nut
Flat washer
Spring washer
Hex. nut
Flat washer
Silicone rubber
Stud bolt