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STS-(3000K, 6000K)-H1 Smart Transformer Station Installation Guide
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
How Do I Repair Paint Damage on the Container?

How Do I Repair Paint Damage on the Container?


  • Do not apply paint in bad weather, such as rain, snow, strong wind, and sandstorm, when there is no shelter outdoors.
  • You have prepared the required paint that matches the color palette delivered with equipment.

Paint Repair

The container should be intact. If paint has flaked off in a specific area, repaint that area.

Check the paint damage on the container and prepare appropriate tools and materials. The number of materials depends on site requirements.

Table A-1 Paint repair

Paint Damage

Tools and Materials



Slight scratch (steel base material not exposed)

Spray paint or paint, brush (required for repainting a small area), fine sandpaper, anhydrous alcohol, cotton cloth, and painting gun (required for repainting a large area)

Steps 1, 2, 4, and 5

  1. For the color of the finish coat (acrylic acid paint), see the delivered color palette and Pantone number. specified on it.
  2. For a few smudges, scratches, or rust, manual paint spraying or brushing is recommended.
  3. For many scratches or large-area smudges and rust, use a painting gun to spray paint.
  4. The paint coating should be thin and even. Paint drops are prohibited on the coating. The surface should be smooth.
  5. Leave the repainted area for about 30 minutes before performing any further operation.

Smudges and rust that cannot be wiped off

Deep scratch (primer damaged, steel base material exposed)

Spray paint or paint, zinc-rich primer, brush (required for repainting a small area), fine sandpaper, anhydrous alcohol, cotton cloth, painting gun (required for repainting a large area)

Steps 1, 2, 3, 4, and 5

Logo and pattern damage

If a logo or pattern is damaged, provide the logo size and color number. Seek help from the local advertisement coating supplier to formulate a repair solution based on the logo size, color, and damage.


  1. If a dent is less than 100 mm2 in area and less than 3 mm in depth, fill the dent with Poly-Putty base and then perform the same operations as those for processing deep scratches.
  2. If a dent is greater than 100 mm2 in area or greater than 3 mm in depth, ask the local supplier for an appropriate repainting solution.


  1. Gently polish the damaged areas using fine sandpaper to remove smudges or rust.

    Figure A-1 Polishing a damaged area using sandpaper

  2. Dip a piece of cotton cloth into anhydrous alcohol and wipe the polished or damaged area to remove the dirt and dust. Then wipe off the alcohol with a clean and dry cotton cloth.

    Figure A-2 Wiping a polished or damaged area using anhydrous alcohol

  3. Paint zinc-rich primer on the damaged coat using a brush or painting gun.

    • If the base material is exposed in the area to be repaired, apply epoxy zinc-rich primer, wait until the paint has dried, and then apply acrylic acid top coating.
    • Select epoxy zinc-rich primer or acrylic acid top coating with a color the same as the surface coating color of the equipment.

  4. Apply paint evenly to the damaged area based on the damage degree of the paint using a spray bottle, brush, or painting gun until all damage traces are invisible.

    • Ensure that the painting is thin, even, and smooth.
    • In the case that a container pattern has different colors, to prevent undamaged areas and those with different colors as the damaged area from being polluted during repainting, cover such areas using white paper and adhesive tape before repairing paint.
    Figure A-3 Repainting a damaged area

  5. 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 difference (ΔE), which should 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 should also be free of bulges, scratches, flaking, 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.

Paint Supply Information

Table A-1 STS paint requirements





Primer thickness

60 μm

Primer type

Epoxy zinc rich paint

Intermediate coat thickness

120 μm

Intermediate coat type

Zinc-rich paint

Top coat thickness

60 μm

Color number of the top coat

Obtain the color number based on the color plate delivered with the product.

The following is a paint model list provided by Huawei. The list may be updated irregularly and is for reference only. The price of paint and technical services shall be subject to local price standards.



Paint Model


Container coating

Zinc-rich primer for pretreatment: HEMPADUR ZINC (shopprimer) 1536C/19830

Zinc-rich primer for the entire container: HEMPADUR ZINC (on line) 1536C/19830

Intermediate coat: HEMPADUR FAST DRY 15560/12170

Top coat: HEMPATHANE 55210/17630 (RAL9003)


Red: HEMPATHANE 55210/57200 (RAL3020)

Black: HEMPATHANE 55210-19990 (RAL9005)


Container coating

Zinc-rich primer for pretreatment: EPICON ZINC SC B-2 M(SHOP PRIMER)

Zinc-rich primer for the entire container: EPICON ZINC SC B-2 M(ON LINE ZINC)

Intermediate coat: EPICON SC PRIMER GREY CSC-9107





Updated: 2019-12-05

Document ID: EDOC1100115701

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