How to tighten skimmer bulkhead?

[dastratt]

I am trying to install a replacement pump in my skimmer. When I hooked up the new pump and do a leak test, there is dripping coming out of the front bulkhead. I don't know if it became loose or possibly the new pump is just a little different size. I can't reach inside the skimmer to get at the bulkhead from the inside. Can I just turn the outer part clockwise? It had some play in it but I'm not sure that turning it is helping.

Sure hope somebody has an idea to help me.

 

[mcgyvr]

From here the bulkhead appears to just be a uniseal which has no threading or anything.. Just a friction fit of pipe going through a rubber grommet in a hole.
Like this..
https://aquagardening.com.au/media/...3d9cb70362/P/O/POS-AG2383_Uniseal_Diagram.jpg

You may just have it crooked now or the pipe needs to be pushed in slightly and just wiggling may fix it.. Undo the union.. And give it a wiggle and try again.. If not the uniseal may need to be replaced..
Could be some dirty/salt in the joint too..

They are pretty forgiving but "stuff happens"