Using the handwheel, turn the stem counterclock wise until it stops (50 ft./lbs.). A step on the stem has now been back-seated against the upper portion of the valve body.

• 用手轮，逆时针旋转阀杆直到其停止为止（50英尺/磅）。阀杆上的台阶现在已经坐落在阀体的上面部分上。