Block will come out with frame and fanshafts all in place like all 2 cyls. do.
Pull cyl. head. then remove pistons,then remove block. There is only one way each piece will fit to come out or go back in. I&T book should explain as that's all I had on an A model. I think cyl. head with manifold still one it may go out up over the frame and the block I'm pretty sure goes out the bottom after being turned a special way. I remember darn near dropping mine ! It's heavy.