1. Adjust the height of the disc: lift the cutting head, loosen the fixing screw of the disc with a screwdriver, then adjust it to a proper height by rotating the height adjusting handle of the disc and tighten the fixing screw.

2. Adjust the cutting depth: lower the cutting head and adjust the cutting depth by rotating the cutting depth adjustment handle.

3. Adjust the cutting angle: raise the workbench and adjust the cutting angle by rotating the tilt adjusting handle of the cutting head.

4. Adjust the cutter: raise the cutting head, replace the new cutter, and ensure that the cutter is firmly installed.

5. Check and adjust: After all adjustments are completed, check whether all parts are fixed again to ensure correct adjustment.