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1. MOUNTING
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)
O-ring
6. Lower the transducer, then confirm that the rollers on the tank guide are not pro-
jected from the retraction tank.
Tank guide must be positioned 30 mm inside from the bottom of the retraction
tank.
Note: The position for the lower limit switch can be raised 100 mm by using the bolt
holes on the flange assembly.
1-8
O-ring
Flat washer
Spring washer
Hex nut
Hex nut
Detailed view: Bow side (11 places), Stern side (One place)
Flat washer
Spring washer
Hex nut
Torque
230N•m
Hex nut
Spring washer
Flat washer
O-ring
Retraction tank
Hex bolt
Torque
230N•m
Hex nut
Hex nut
Spring
washer
Flat
washer
Bow mark
Flat washer
Hex bolt
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