Steering Box Replacement

[K5Fan]

I'm pretty sure I already know the answer to this one, but I have to replace the steering box in my 70 Blazer. I have looked at past threads, but I couldn't find one that talked about removing the gear box on a 4X4 with the front leaf springs. I have a pitman arm puller, but the leaf springs won't let the puller line up between the leaf springs and the pitman arm. I'm thinking that I have to take off the gear box with the pitman arm on it from the drag link and take off the pitman arm on the bench? Any other ideas would be greatly appreciated. Thank you all for a great source of info!!

Chris.