Unscrew the Allen screw in the middle of valve cap and lift up the cap just enough to pick up the old diaphragm.

旋松阀帽中间的内六角螺丝，并且提起阀帽，正好足够拿走旧阀膜。

youdao

Unscrew the Allen screw in the middle of valve cap and lift up the cap just enough to pick up the old diaphragm.

旋松阀帽中间的内六角螺丝，并且提起阀帽，正好足够拿走旧阀膜。

youdao