Chapter 6 ______________________________________________________________ Maintenance
VAISALA _______________________________________________________________________ 93
Cleaning and Maintaining Painted Surfaces
Vaisala recommends that you wash all the painted surfaces at least once a
year. Use only warm water or warm, mildly soapy water. Wipe with soft
cloth or sponge and rinse with clean water.
Do not use solvents or abrasive sponges when cleaning painted surfaces.
Preparing for Painting
To prepare the surface for painting:
1. Clean the surface and remove any loose coating with a scraper and
a steel brush.
2. Use sandpaper on damaged areas and around the damaged area’s
edges.
3. Remove impurities, such as dirt and grease, with warm soapy
water.
4. Rinse with warm water.
The surface must be completely dry before starting maintenance painting.
Protect the surfaces that will not be painted with tape or paper.
Make sure the air temperature, the paint, and the painted surface are at
least +10 °C and the relative
humidity below 80% during painting and
drying. Do not paint in rain or in direct sunlight.
Painting
After preparing the surface, coat the surface as soon as possible. Follow
your paint manufacturer’s instructions carefully.
1. Use a primer, such as Teknos INERTA PRIMER 5 epoxy paint 60-
80 µm.
2. Paint the surface 2-3 times, so that the dry film layer thickness is
40-60 µm. Use, for example, Teknos TEKNODUR 0190
polyurethane 40 µm, so that the total thickness is 100-120 µm.
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