1. Check whether the porcelain casing is cracked, whether the edge is rough or damaged, whether the glue between the porcelain pipe and the upper cover is firm, gently pull the casing by hand, and the casing shall not move.
2, check the voltage transformer oil level indicator, should be no blockage and oil leakage phenomenon. The oil level should reach the standard height. If the oil level is too high, greater pressure will be generated in the closed transformer. If the oil level is too low, the
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2024-12-12
