Remove the two check modules by pressing firmly from the outlet end (end with wrench pads). O-ring seals will be removed with the removal of modules from the body.

• 从出口端(带有板钳基座的端口)稳稳地压下,拆卸两个止回模块。O形环密封将随着模块的拆卸从阀体上拆卸下来。