Wcfb checkball qeustion

Hi I am building a wcfb for my 56 imperial, the check ball below the accelerator pump I have butchered, hit it too hard into the casting and now it is stuck solid down there, put new pump in, filled bowel and pumps great even though the checkball is stuck solid down there, my question is that ball meant to move and if so why, cause from my test the pump is working great with it locked solid down there, what's the purpose of it, its butchered down there I can't get it out, but its sealing...

Wcfb checkball qeustion
Author: matty wardle