绷网完以后，扳动换向阀，使手轮回到初始的位置，关闭电源。

After the nets, stretch, throw reversing valves, make the initial position, close to power.

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杯头螺丝；当要调节手轮在机架上的位置时，先要松开此螺丝，以便固定手轮。

Cup head screws, When should adjust the handwheel on the frame, the first to loosen the screw so that fixed the handwheel.

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不管阀门是在开启或是关闭位置，手轮总是处在相对于阀体的同样的位置。

The hand wheel is always in the same position relative to the valve body regardless of whether the valve is in the open or closed position.

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