Usually, always pay attention to the oil level in the gear, give enough lubricating oil, and ensure that the oil is pure and clean, and change the new oil regularly (six months or a year). Electrical systems, around electrical equipment, are not allowed to store equipment, substances or gases that destroy insulation. At the same time, it is necessary to insist on using electrical equipment to work in a dry environment. If it is difficult to prevent, moisture-proof equipment should be added.


