Need help with using red sea reefer sump

[Roman'sReef]

How do I lift the glass in-between skimmer chamber and return chamber on red sea reefer 350?
Thank you!

 

[blaxsun]

How do I lift the glass in-between skimmer chamber and return chamber on red sea reefer 350?
Thank you!

The glass is not adjustable; the are two plastic screws to adjust the raisable plastic partition adjacent to the black sponge.

 

[Roman'sReef]

I'm so confused sorry imma need more info