Furuno USA Inc 9ZWRTR113 用户手册

1.  INSTALLATION AND WIRING

6. Secure the antenna unit, using the supplied flat washers (M12, 4 pcs), spring 

washers (M12, 4 pcs), and hex. nuts (M12, 8 pcs).

7. Apply silicone rubber to the flat washers, spring washers, and hex. nuts.

Flat washer

Spring washer

Hex. nut

Silicone rubber

Corrosion-proof 
rubber pad

Flat washer

Spring washer

Hex. nut

Stud bolt

Detailed view