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液控关井失败,能进行手动关井吗?怎样操作?
2017/9/15 来源:本站原创
能进行手动关井。
步骤为:
⑴将对应的三位四通换向阀手柄板到关位;
⑵两边同时旋转(顺旋)手轮到位再回旋1/2-1/4圈;
⑶将对应的三位四通换向阀手柄板至中位。
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