106
/
167
shown in “Right limit” box
.
Note: If the steering gear of the tractor has leakage, it will cause a returning tendency
of the guide wheel at the right limit position. In this case, it is required to keep turning
the steering wheel right in order to maintain the guide wheel angle at the right limit
position.
Figure 140 Step 2: obtain the right limit angle of guide wheel
5.5.2.5
Calibration Step 3
Drive the tractor to the middle of the road. Turn the steering wheel to the middle
position and touch “Start” button. Drive the tractor forward along a straight line for at
least 70m. During the process, try not to turn the steering wheel, and if possible, keep
hands off the steering wheel. Therefore, the steering wheel is free to return. When the
distance reaches 70m, the system acquire the middle point of the guide wheel
automatically and the value will be shown in “Middle line” box
. When the
middle point of guide wheel is acquired, the text “Guide wheel calibration completed”
will pop out in the screen as below.