What are the minor repair contents of the transformer?

1. Minor maintenance cycle.

The minor maintenance cycle of the transformer is at least once every two years. Transformers installed in particularly dirty areas should have their maintenance cycle shortened.

2. Minor maintenance items and requirements.

1. Eliminate defects that have been found and can be eliminated on site.

2. Clean the casing and outlet bushing. If the bushing is broken or the gasket is aging, it should be replaced. If it leaks oil, tighten the screws or replace the rubber pad

. 3. Check the outside and tighten the lead-out wire head. If burns are found, use a file to correct it and connect it.

4. Check the oil level gauge. Remove the oil stains in the oil pillow. If there is oil shortage, add oil.

5. Check whether the respirator and the air outlet valve are blocked. And remove the dirt.

6. Check whether the lead of the gas relay is intact.

7. Check whether the oil drain valve and the oil cut-off valves of each part are blocked.

8. For transformers protected by drop-out fuses, check whether the tube and wire are intact and normal

. 9. Check whether the grounding wire of the transformer is intact. If it is severely corroded, it should be replaced.

10. Measure whether the insulation resistance of the winding is qualified.....