Return fitting sizing

[Aquaman7]

Hello everyone,
So I go to install my return fittings and they are too big to tighten. It’s a inground polymer panel pool. The inlets are 2” Hayward. The front of the panels has an indentation where the hole goes, the rear has vertical fins along the entire panel. The nut part of the fitting barely fits between the fins making it impossible to tighten. I’ve attached pictures to make it easier to understand. Any ideas. Dose Hayward make an adapter for this. I would email them but the last time I did it took them a week to reply. The top pic is the front. The bottom pic is the back of the panel.
Thanks,
Joe

 

[sktn77a]

Is it meant to be tightened from the front (?)

 

[Aquaman7]

I just read the installation manual and it says to tighten the bolt from the rear.
Im sure I can notch out a little of the fins but I really don’t want to do that.

 

[Aquaman7]

So I figured how to make it work. Hand tighten from the front and then bend the vertical fins a little and tighten the nut in the back.
Thanks for the idea sk. It worked well.
Joe