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2
Remove biological fouling carefully using a plastic brush, a suitable synthetic
detergent and fresh water.
Biological material which is strongly rooted in the substrate can be removed
carefully with a piece of wood or plastic. If required, you can also use citric acid.
Apply, leave it working for several hours, and rinse thoroughly with fresh water.
Note
Do not use high-pressure water, sandblasting, metal tools or strong solvents to clean
the transducer face. Do not damage the outer protective skin of the transducer face.
3
Allow the transducer surface to dry.
4
Do a thorough visual inspection of the transducer. Check for dents, scratches,
holes or other damage to the surface.
If you suspect damage, take a high resolution photo. Contact your dealer or the
Simrad support organization for advice.
5
If necessary, apply anti-fouling paint as described in the dedicated procedure.
Note
Because some paint types may be aggressive to the polyurethane in the transducer,
consult our list of approved paints.
Related topics
Transducer handling and maintenance, page 12
Painting the transducer face, page 17
Painting the transducer face
Marine growth (biological fouling) on the transducer face reduces the ES38DD
performance. We recommend that you paint the transducer face immediately after
installation, and then again as often as required to maintain the protection.
Prerequisites
The following tools and consumables are required.
• Personal protection
• Fresh water
• A mild synthetic detergent and a plastic brush
• Fine-grade sandpaper (240 inch grit size)
• Primer
• Anti-fouling paint
341701/B
Transducer handling and maintenance
17
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