I had to get stuck in and rebuild something so the elev/trav mech is was.
You definately have to take note of how you take the components apart because one section has to be completed before another can be slotted into place. Since I had stripped mine such a long time ago I was, at the start, about 2 or 3 steps out of pace and had to strip it back and restart.
When I've got a minute, and less wine in my system, I might do a quick step by step, strip and rebuild 'how to'.
p.s. Range plate needs cleaning up around the edges and corners.