Are we talking about an AD truck? Mine is a 53. I was going to buy the little manual there. But then was told after I started working on it, it would all come together. So thats what I did, I assembled all the sheetmetal with the exception of the TG. At that point I measured from each corner t get it square, which it was very close. I then started laying the wood in and the 2 centre cross sills. I then crawled below and started to put all the little nuts and washers on. After everything fit good I tightened it all good and all was well. Good Luck.
