Furuno FSV-85-MARK-2 Installation Manual page 14

1. HOW TO INSTALL THE SYSTEM
5. Coat the threads of the bolts with a slight amount of lithium grease to prevent
scorching, then secure the hull unit to the retraction tank, referring to the following
figure.
Hex nut
Hex nut
Spring
washer
Flat
washer
Flat washer
Hex bolt
Detailed view: Bow side (Four places)
1-6
O-ring
Flat washer
Spring washer
Hex nut
Torque
230N•m
O-ring
Flat washer
Spring washer
Hex nut
Hex nut
Detailed view: Bow side (11 places),
Stern side (One place)
Hex nut
Hex nut
Spring wash
Flat washer
Bow mark
Flat
washer
Hex bolt
Hex nut
Spring washer
Flat washer
O-ring
Retraction tank
Hex bolt
Torque
230N•m