1. First, loosen the lock nut at the joint between the steering ball head and the tie rod bar coming out of the steering gear, and twist the tie rod with a wrench.
2. Secondly, adjust the tightness of the back and tighten the lock nut.
3. Finally, measure on the ground. After adjusting the pull rod every time, move the trolley back and forth in a straight line for measurement and adjustment.