Simrad SN90, Operator'S Manual

Page: 131 / 188

381295/B
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b Remove the hand crank from its storage position.
c Remove the plastic plug on the top cover of the hull unit.
d Mount the hand crank onto the stub shaft through the hole in the top cover.
e Locate the brake release screw on the motor.
f Use an 4 mm Allen key to rotate the screw clockwise until the motor brake is
released.
g Turn the crank until the transducer is fully lowered.
7 Hoisting the transducer
a Turn the crank until the transducer is fully retracted.
b Loosen the brake release screw to engage the motor brake.
c Check with the hand crank to ensure that the motor brake is engaged.
d Remove the hand crank from the stub shaft, and mount it in its storage position
in the Motor Control Unit.
e Activate the
Motor Protecting Switch
(S301) by pressing the operating handle to
ON .
8 Make sure that the
Hoist/Lower Switch
is set to REMOTE .
Note
For normal operation from the Operating Panel, the switch must be set to REMOTE.
9 Close the cabinet door.
10 Insert the mains fuses for the hull unit.
Related topics
Lowering and hoisting the transducer from the sonar room, page 125
Operating procedures