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【多选题】
断路器液压机构停电检查内容包括：（）A.
管路的各连接头，各压力元件应无渗漏现象，压力控制值应正常，若有异常则需要重新调整压力控制单元；
B.
主油箱油位应正常、真实，不足补充液压油；油泵工作应正常，无单边工作或进气现象；
C.
分合闸滚子转动时涩和偏心现象，与掣子接触面表面是否平整光滑，裂痕、锈蚀及凹凸现象；
D.
空气过滤器应洁净，无积尘、污秽、堵塞现象；
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B.
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C.
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D.
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