The "Guts" consist of two stages.
The first stage is a set of "Blades' like a blender that break up stuff a bit and that is where hair and other stuff needs to be removed. You look down the "Throat" of the thing and you see them. And a backing plate.
The Real "Guts" is the pump and that's below the plate. but other than Stiction (Which I think I mentioned above) that usualy is no tribble at all.
And the Stiction is "Cured" by giving the other end of the motor shaft a twist using a flat bladed tool or even a quarter or washers work well. before you hook up.
