The front frame rail checked with bubble level.
Level check was done sidewards for both front and rear section of the frames rails.
Rignt side frame was checked for levelness.
Left side rail checked levelness too. Both rails were also checked for squareness. This is done both measuring diagonally the opposide cotners of the frame rails.
A new 2 1/2" tubing was cut to join the two frame rails together at the front.