The installation steps are as follows:
1. Take out the conversion rod.
2. Insert the threaded end of the conversion rod facing up into the chuck of the drill.
3. Place the black pressure plate with the serrated side facing down.
4. Put the grinding disc on top of the pressure plate.
5. Place the white pressure plate with the protrusion facing up.
6. Use the wrench with teeth to tighten the pressure plate securely.
Please note that it's important to ensure all the components are securely attached during the installation process to avoid any potential hazards. Additionally, before using the conversion head for any work, please read and follow the relevant safety guidelines and instructions to ensure your safety and proper tool operation.