How to Adjust Y1 and Y2 Axis for CNC Press brake If Both Cylinders Are at Different Levels

Sometimes, CNC press brake operators will meet with such issue, if they keep the ram up for long time and power off the machine for more than like one day, Y1 and Y2 will be at same levels , but we need to ajust both cylinders at the same level before we will run the machine. This video will instruct the detailed operating procedures to solve the problem well.