I'm having my vinyl liner replaced on my inground pool and there are some spots where a gap has formed between the concrete and the coping. Is it OK to tighten the screws up a bit (pictured) as long as I don't over-torque them?
http://puu.sh/pbVrY/89dd3980c7.JPG
http://puu.sh/pbVrY/89dd3980c7.JPG