首先通过检修口拆卸阀瓣的后面及其弹簧末端。
Remove through access port with back of clapper first with spring end down.
保证了铁路罐车阀类试验数据的准确性，提高了检修质量，从而保障了行车安全，减轻了工人的劳动强度。
It also guarantees the accuracy of experimental data of railroad tank car valves, improves the overhaul quality, and thus ensures the traffic safety and reduces worker's labor intensity.
对核电站用两种主蒸汽隔离阀的结构、系统、性能、运行和可检修性进行了分析和比较，为主蒸汽隔离阀的选型提供了参考。
The structure, system, performance, operation, maintenanciability of two kinds of main steam isolation valve (MSIV) are analyzed and compared, which provides reference for the setat type of MSIV.
介绍了安装在提速机车上专门用于列车双管供风的jty—1型空气减压阀的结构和原理，并介绍了使用、检修及常见故障的处理方法。
The structure and principle of jty-1 type air reduction pressure valve for double wind pipe of installation in the raising speed locomotive are described.
电磁线圈烧坏C，阀芯卡死，解决办法检修或更换。
B. solenoid valve stuck, burn C, solution repair or replacement.
电磁线圈烧坏C，阀芯卡死，解决办法检修或更换。
B. solenoid valve stuck, burn C, solution repair or replacement.
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