Okay --- first things first; while I really like the gentleman from California (see post above); however, I learned the chain is wrapped around the front support bar of the driver's seat for easy removal! See pics in the link below.
And the same post, definitely illustrates the easiest way to remove a differential. Give you a hint --- a forklift helps!
http://www.peachparts.com/shopforum/showpost.php?p=2463551&postcount=74
Enjoy!!