Replacing steering box today

My PST 16:1 box was warrantied for excessive play at the pitman arm. Turns out there was a bearing missing.

I am got the new one today, but wondering what the best way to replace it is. I want to be sure I install the box straight on.

My plan was to leave the pitman arm attached to the center link and remove the old box and then install the new one. I am sure my toe is going to need to be re adjusted.

Thoughts?