1. 先把试剂泵从设备中取下

First, remove the pump from Testomat

2. 用螺丝刀从两侧撬开面板后，如下图After prying open the panel from both sides with a screwdriver, it likesfollowing figure

3. 拧下吸液管和输液管后，用回形针头取下两个单向阀After unscrewing the suction tube and the infusion tube, use the paper clip to take out the two pump valves.

4. 取下后的试剂管和单向阀如下图

After removing the reagent tube and valve as shown below

5. 在安装回试剂泵时请把黑色橡胶密封圈放回试剂泵阀口，再按照下图方向安装回试剂泵。并重新组装上试剂管和芯片面板。When installing back the pump valves, please put the black rubber seal back into the reagent pump valve port first, and then install back the reagent pump according to the direction in the figure below. And reassemble the reagent tube and chip panel.

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