– If the base material is exposed in the area to be repaired, apply epoxy
micaceous iron oxide primer, wait until the paint has dried, and then apply
polyurethane top coat.
– Select epoxy micaceous iron oxide primer or polyurethane top coat with a
color same as the surface coat color of the equipment.
2. Wait for 30 minutes and check whether the painting meets the requirements.
– The color of the repainted area must be consistent with that of the surrounding
area. Use a colorimeter to measure the color dierence (ΔE), which shall be less
than or equal to 3. If a colorimeter is unavailable, ensure that there is no visible
edge between the repainted area and the surrounding area. The paint shall also be
free of bulges, scratches, aking, or cracks.
– If you choose to spray paint, it is recommended that you spray paint three times
before checking the result. If the color does not meet the requirements, paint more
times until the painting meets the requirements.
Step 4 Repair the top coat (polyurethane top coat).
1. Apply paint evenly to the damaged area based on the damage degree of the
paint using an aerosol spray, brush, or paint sprayer until all damage traces
are invisible.
– Ensure that the painting is thin, even, and smooth.
– In the case that an equipment pattern has dierent colors, to prevent
undamaged areas and those with dierent colors as the damaged area
from being contaminated during repainting, cover such areas using white
paper and adhesive tape before repairing paint.
Figure E-3 Repainting a damaged area
2. Wait for 30 minutes and check whether the painting meets the requirements.
LUNA2000-213KTL-H0 Smart Power Control System
User Manual E How Do I Repair Paint Damage?
Issue 04 (2024-12-30) Copyright © Huawei Technologies Co., Ltd. 107
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