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(1)开关漏水。常见原因是开关芯上垫圈磨损或开关石棉线磨损,应更换新垫圈或石棉线。(2)开关转动不灵活。可将开关拆下放进煤油中清洗,擦除锈迹,涂上适量润滑油装好。
(1) switch leakage. A common cause is the wear and tear of the washer on the switch core or the asbestos wire wear on the switch. Replace the new gasket or asbestos thread. (2) switch is not flexible. The switch can be removed into the kerosene clean, rub rust, coated with a suitable amount of oil installed.