Eaz ball distribution hitch, changing ball

[Bubbs8]

Wondering if I can change the ball on this hitch is there a special tool? A jumbo 1 7/8 box wrench won't fit! Stumped thanks for any response.

 

[Dona40]

Looks like someone installed it with a pipe wrench so that's how you remove it. Spray it, heat it and pray over it. Should come off. If you have an air chisel, you might have to beat on that nut some. Done lots of them.

 

[rossny]

Clamp the ball upside down in a large bench vise to hold.