There is no check ball in the bottom of my accelerator pump well.
Your AFB probably has a check valve near the bottom of the float bowl next to the pump well. This is the inlet check.
There is a weight in the pump discharge, but no ball
Some use a rectangular weight and a checkball, some use a pointed checkweight. These two systems are interchangable. Most rebuild kits come with pointed checkweights now.
Which checkweight do I need?
There are three different lengths to choose from. You’ll need approximately 1/16″ – 1/8″ headspace for the weight to move up and down. All of the checkweights are available for purchase here.
The correct checkweight is included in most of our rebuild kits.