Furuno FSV-30 Installation Manual page 22

Flange of hull unit
O-ring
Insulation gasket (1)
Insulation gasket (2)
Flat washer
Spring washer
Hex. nut
Hex. nut
Stern side
(Seven locations)
1-16
Spring washer
O-ring
Insulation gasket
Insulation gasket (2)
Flat washer
Spring washer
Installation of attachment kit
Hex. nut
Spring washer
Flat washer
Flange of hull unit
O-ring
Insulation gasket (1)
Insulation gasket (2)
Flat washer
Hex. bolt
Flat washer
O-ring
Retraction tank
Hex. bolt
Bow side
(17 locations)