The steps to remove the lathe chuck are as follows:

1. First, make sure the lathe is stopped and disconnect the power supply. Safe operation is very important.

2. Remove any workpiece or fixture from the chuck.

3. Special tools or wrenches may be required, follow the manufacturer's operating manual or instructions. Different models of lathe chucks may have different disassembly methods.

4. Before removing the chuck, check and record the position of the chuck so that the same positioning can be maintained when reinstalling.

5. Use appropriate tools to loosen the bolts or nuts on the chuck. These bolts or nuts may be on the outside or inside of the chuck.

6. Please note that the chuck can be quite heavy, so be careful when removing it. Make sure to use appropriate tools or equipment to support and handle the chuck.

7. Once the chuck is completely removed, place it in a safe and appropriate location to prevent damage or safety issues.

Please note that the disassembly of the lathe chuck may require specific safety practices and instructions from the lathe manufacturer. Therefore, before any disassembly operation, always refer to the lathe's operating manual or consult a professional technician to ensure correct operating methods and safety measures.