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9. Fasten the hull unit to the retraction tank. Orient it so the ship's fore-aft line crosses the front
panel of the raise/lower drive assy. at an angle of approximately 45°.
Figure 1-12 Fastening the hull unit to the retraction tank
10. Fix anti-vibration stays to the retraction tank.
Figure 1-13 Fixing anti-vibration stays to retraction tank
11. Orient the main shaft so that the bow mark faces ship's bow and fix it securely with the shaft
retainer.
M20 Nut
M20 Flat washer
M20 Spring washer
Gasket
M20 Flat washer
M20 x 80
Loosen shaft retainer
and rotate main shaft
so the bow mark on
it faces ship's bow.
Bow mark
Figure 1-14 Orienting the main shaft
1-7
Raise/lower
drive assy
BOW
Orient the hull unit as shown.
This will reduce shock and
vibration, caused by ship's
pitching and rolling, at the
raise/lower drive assy.
Anti-vibration
stay
Ship's bow
WARNING
POSSIBILITY OF WATER LEAKAGE
To prevent loss of main shaft of the hull
unit and water leakage tighten bolts fixing
shaft retainer for torque of 2000-2500 N
cm and tighten fastening band for torque
•
600-800 N
cm.
•
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