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3. Set hand crank to the screw shaft gear and turn it while pressing the brake-off
switch.
4. The transducer should rise/lower smoothly with even force in upper to lower limits.
If not, the centers of the main body flange and the retraction tank are not aligned.
Adjust the hull mounting position if necessary.
Brake Off
switch
Figure 1-14 How to use the hand crank
Raise
Lower
Breaker
Raising/lower manually
without connecting ship's
mains may damage motor.
1. MOUNTING
1-9
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