Kongsberg Simrad CS90, Reference Manual

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Procedure
1 Make sure that you have sufficient water depth below the keel before you lower the
transducer.
If your vessel is in dry dock, make sure that you have sufficient height between the hull
and the dry dock floor. The space under the hull must be free from tools, scaffolding,
personnel and other obstacles.
2 Open the cabinet door.
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.
3 Locate the
Hoist/Lower Switch
(S302). Set the switch to position STOP .
This is for safety reasons.
4 Lowering the transducer:
a Locate the
Lowering Contactor
(K302) on the right side.
b Open the transparent plastic cover on the front of the contactor.
c Use a small screw driver, and press the spring return actuator to apply voltage
to the motor.
d Lower the transducer and STOP before you reach the bottom position.
5 Hoisting the transducer:
a Locate the
Hoisting Contactor
(K301) on the left side.
b Open the transparent plastic cover on the front of the contactor.
c Use a small screw driver, and press the spring return actuator to apply voltage
to the motor.
d Hoist the transducer and STOP before you reach the upper position.
6 Locate the
Hoist/Lower Switch
(S302). Set the switch to position REMOTE .
Note
For normal operation from the Operating Panel, the switch must be set to REMOTE.
7 Close the cabinet door.
Maintenance procedures