the way I have done it on 4 different rigs and worked perfect each time is I start by cranking the wheel one direction as far as it will go, til it hits the bump stops. I do this with the engine off so the ram doesn't travel. once the steering is maxed to one side, I fire the engine up, hold the wheel to that side til the ram pushes out/in all the way to that one side. now your ram and you steering are working together. this is where I weld the tab on the tierod.