I have my T56 out to replace the 3/4 shift fork and Im lost.

I have the extension housing off, the housing where the shifter mounts, and I see two shafts with gears, and the shift rail.

I know the 3/4 fork is down in the next housing, but how do I get there. Im guessing I have to pop all the gears off the mainshaft then pull it off, but could someone please explain for me, I hate these guides with a bunch of writing, since I dont know the technical terms, just "that thing" terms, I cant understand them, and the pictures suck.

I already looked at Shoebox's manual on his site, but its the same as the book I have that I got from a dealership service place.