Very important!!

[imeothanasis]

its a little more compicated Emonty

ok,

unscrew the polygonal nut
unscrew the nail that has the polygonal nut attached on it
be careful not to lose the 2 o-rings that are inside the plastic (Maybe they will come out with the nail
unscrew the connector

clean the channel you want

screw the connector again
screw the nail again
screw the polygonal nut