Tack out the dowel in lower part of handle of the valve, and undraw the agraffe gently. Rotate handle of the valve clockwise to open valve to begin discharging.

• 卸下排液阀手柄下侧的塑料销子，并轻轻拉开锁扣,将阀门手柄朝顺时针方向扳动以开始排料；