Originally Posted by
jimc101
Don't, Blackburn has a lifetime warranty, use this to get it fixed.
The fix would constitute replacing the pump... But Blackburn's modern [floor] pumps are a pale imitation of their older models, even from only a few years ago.
As for the OP, post a pic that you have of the disassembly so far--almost every pump I've seen is held together with a foot nut on the bottom.