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Cleaning electrical transformers requires careful procedures to ensure safety and efficiency.

Here are the steps for cleaning electrical transformers:

1. Turn Off the Transformer
   Ensure the transformer is disconnected from the electrical grid to guarantee safety.
2. Safety Measures
   verify that the insulation is undamaged and free from defects.
3. Remove Dust and Surface Dirt
   Use a soft brush or a dry cloth to remove dust and dirt from the surface.
4. Clean Internal Parts
   Use compressed air to clean internal parts of dirt and dust.
5. Inspect Transformer Oil (if applicable)
   Check the oil level and inspect for any leaks or contamination.
6. Clean Filters and Fans
   If the transformer has fans or filters, clean them using compressed air or a soft brush.
7. Reassemble the Transformer
   After cleaning, ensure all parts are reassembled correctly in the same order they were before opening.

    8. Comprehensive Inspection 

     Once cleaning and reassembly are complete, perform a thorough inspection to ensure                 there are no malfunctions or performance issues.