The part that connects the actual pump to the skimmer basket is a screw on connection it leaks can't/ don't want to tighten any more shouldn't there be a seal there? I have pictures but am unable to upload them to this post. I have no history with this pump was purchased second hand trying to get the air leaks out and my psi and suction up. It is a waterway pump model sd-10 any help would be appreciated