The suction valve of NO .3 liner is seized.

3号缸的上水凡尔卡死了.

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Unscrew the nut from the service connection of suction valve and connect the compound pressure gauge.

拧下室外机吸气截止阀检修接头的螺帽,将复合压力表接上.

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Then the right side piston from the left side movement, this time self - closing suction valve 5.

接着活塞从右端向左端运动, 此时吸气阀5自动关闭.

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