On the first two passes the wheel is kept inside the Trencher frame. On the third pass the wheel is bolted outside the trencher frame.

Third Pass: Wheel Outside the frame - Front	Third Pass: Wheel Outside the frame - Back
Fourth Pass: Wheel is attached to an adjustable bracket in existing trench.
Fourth Pass: Wheel Bracket - Front	Fourth Pass: Wheel Bracket - Back
Fifth Pass: Wheel is attached to an adjustable bracket in existing trench.
Fifth Pass: Wheel Bracket - Front	Fifth Pass: Wheel Bracket - Back