Simrad SC90, Installation Manual

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510
419050/B
Cleaning a mechanical or electromechanical unit
If an mechanical unit has been exposed to s salt atmosphere, it must be thoroughly
cleaned to prevent corrosion.
Prerequisites
In order to clean a mechanical or electromechanical unit, you will need relevant tools
and detergents.
Procedure
1 Wipe off the external surfaces of the mechanical unit using a damp lint free cloth
and a mild detergent.
Note
Do not use excessive amounts of water. The unit may include parts that are not
water tight.
2 On completion, dry the unit thoroughly.
3 Inspect all surfaces for signs of corrosion, flaking, bubbling paint, stains etc.
4 Clean damaged or suspect areas, prepare and preserve these areas using the correct
preservation mediums.
5 Wipe clean all exposed cables, and check for damage.
If a cable shows signs of wear or ageing, contact Kongsberg Maritime for advice.
6 Secure and protect loose parts (shock absorbers, plug and sockets, protruding
objects etc).
7 If the mechanical unit shall be sent to storage or shipped, spray it externally using a
corrosion inhibitor (for example a light oil) prior to packing.
8 If relevant, place a suitably sized bag of desiccant material (silica gel or similar)
into the to storage/transport box to keep the components as dry as possible.
Cleaning the hull unit
The hull unit has normally been exposed to a salt atmosphere. Prior to storage and/or
shipment, it must be thoroughly cleaned to prevent corrosion.
Prerequisites
In order to clean the hull unit, you will need relevant tools and detergents.
Context
For all practical purposes, the hull unit comprises to separate areas; the “wet parts”
and the “dry parts”.
Simrad SC90 Installation Manual