Furuno FELCOM 250 Manuel D’Utilisation

1. HOW TO INSTALL THE UNIT

9. Coat all bolts and nuts with silicone sealant to prevent electrolytic corrosion as shown below.

Note: The cable entry hole (

φ60) at the bottom of the antenna functions as ventilation hole,

allowing trapped moisture to escape the dome. For that reason, ensure the hole is not
blocked.

Nut

Silicone sealant

Spring washer

Flat washer

Antenna fixing bolt