290
442700/A
Context
The transducer has not been designed with any protection against biological fouling.
Anti-fouling paint may therefore be applied to the transducer face. To minimize the negative
acoustical effects the layer of anti-fouling paint must be as thin as possible.
Note
The anti-fouling paint will reduce the acoustical performance of the transducer. The
surface roughness of the transducer substrate and the thickness of the paint may also
influence the performance. Kongsberg Maritime cannot be held responsible for any negative
consequences of the anti-fouling paint.
Observe the relevant instructions and safety information provided by the paint manufacturer.
Procedure
1
Make sure that all power to the hull unit is disconnected.
2
Make sure that you have sufficient height between the hull and the dry dock floor.
3
Lowering the transducer
a
Use a spanner to open the door on the Motor Control Unit.
WARNING
High voltages are used. This equipment must be serviced only by qualified
personnel familiar with high-voltage equipment and the potential hazards
involved. Failure to observe this precaution could result in bodily injury.
You may be exposed to electric shock. Read and understand the applicable
first aid instructions related to electric shock.
b
Locate the
Motor Protecting Switch
(S301).
c
Deactivate the
Motor Protecting Switch
(S301) by pressing the operating handle
to
OFF
.
d
Locate the hand crank inside the Motor Control Unit.
e
Remove the hand crank from its storage position.
f
Remove the plastic plug on the top cover of the hull unit.
g
Mount the hand crank onto the stub shaft through the hole in the top cover.
h
Locate the brake release screw on the motor.
i
Use an 4 mm Allen key to rotate the screw clockwise until the motor brake is
released.
j
Turn the crank until the transducer is fully lowered.
Simrad CS90 Reference Manual
Summary of Contents for Simrad CS90
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