The problem is the pump kit. The air passage holes in the kit are way too small and dont line up. Take the pump kit apart and carefully inspect it. You'll see what I mean.
You need a small set of drill bits and a drill to fix it. PM me if you have any how-to questions.
I don town PbPumpShop.com anymore ! Please contact the owner thru the website.
Al I have left for sale PB related is pump related headbands and tshirts.