Simrad SC90, Installation Manual

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• The “wet parts” include the lower part of the transducer shaft, the installation trunk,
the bottom of the mounting flange, the zinc anodes and the transducer. These parts are
all exposed to the sea.
• The “dry parts” are the rest of the hull unit, all contained inside the hull. This includes
the electric motor and the Motor Control Unit.
A transducer must always be handled as a delicate item. Wrongful actions may damage
the transducer beyond repair.
Observe these transducer handling rules:
•
Do not
activate the transducer when it is out of the water.
• Do not handle the transducer roughly, avoid impacts.
• Do not expose the transducer to direct sunlight or excessive heat.
•
Do not
use high pressure water, sand blasting, metal tools or strong solvents to clean
the transducer face.
• Do not damage the outer protective skin on the transducer.
Procedure
1 Wash the “wet parts” of the hull unit using a high-pressure hose and copious
amounts of fresh water.
Caution
Do not use direct the high pressure water directly towards the transducer. Observe
the handling rules!
2 Ensure that all traces of mud and marine growth are removed.
Use a wooden or plastic scraper to remove persistent growth, barnacles etc.
3 Wipe off the external surfaces of the “dry parts” of the hull unit using a damp lint
free cloth and a mild detergent.
Note
Do not use excessive amounts of water. The “dry parts” of the hull unit includes
parts that are not water tight.
4 On completion, dry the unit thoroughly.
5 Inspect all surfaces for signs of corrosion, flaking, bubbling paint, stains etc.
6 Clean damaged or suspect areas, prepare and preserve these areas using the correct
preservation mediums.
7 Wipe clean all exposed cables, and check for damage.
If a cable shows signs of wear or ageing, contact Kongsberg Maritime for advice.
8 Secure and protect loose parts.
Equipment handling