The level of cutting machine adjustment requires professional equipment and professional operation. Don't operate it at will. If you need to adjust the level yourself in special circumstances, you can carry out the following steps:
1. Prepare the necessary tools: the level, the wrench for the column nut, and the column washer.
2. First measure the values of the upper and lower plates of the four column positions and record them.
3. Then twist the column nut with a large numerical difference and use the thickness of the washer as needed.
4. Finally, lock the nut with a spirit level.
5. If the value gap is still large, you can repeat the above steps.
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