1. First, put the seven-roller straightener on a stable ground, turn off the power switch and unplug the power plug.

2. Remove the side cover and the top cover of the leveler with a wrench or wrench kit to access the internal components.

3. Remove the roller of the leveler. First remove the nuts and bolts on the drum, and then gently pull out the drum.

4. Remove the motor of the leveler. Disconnect the wiring of the motor first, and then remove the bolt that fixes the motor.

5. Remove the control panel of the straightener. Remove the screws of the control panel first, and then remove the panel from the fuselage.

6. Remove the base of the leveler. Remove the screws of the base first, and then remove the base from the fuselage.

7. Finally, remove the remaining parts of the leveler, such as brackets and bearings. After all the components are removed, the straightener can be completely removed. Seven-roller straightener is a kind of equipment for straightening metal plates. It consists of seven rollers, three of which are above and four below.