Basically you start with the sole plate first and then the rear roller ensuring that the slotted side bearing carrier is fitted on the RHS if looking from the rear, after that fit the land roll clutch drive in its two sections with the outer pressure plate last, this way you can fit the chain to drive the roller. There are specific rear roller fitting and alignment instructions in the following thread.http://www.outdoorking.com/forum/ubbthre....html#Post77975
From there you can loosely fit the reel bearing carriers and slide the reel in to place ready for final adjustment.
Assemble the transfer shaft and its bearing / carrier and attach it at the top of the side plate and also assemble the primary clutch assembly into its frame on the top engine deck. Loop up all the chains and slowly adjust it all up as it should be.
I guess from there onwards its all been covered on here again and again but if you get into any strife don't hesitate to holler !