2. Then open the cover of the cathode of the tube.
3. Then remove the three wires: the large focal point, the small focal point, and the common wire
4. Secondly, open the three screws that fix the X-ray tube assembly and the three screws that fix the ball tube
5. Now you can take out the circular ring and then remove the X-ray tube
At this point, reach in one hand to hold the X-ray tube firmly, and hold the tube firmly with the other hand. The inner hand should exert force towards the extreme and turn it counterclockwise. In this way, you can remove the X-ray tube.
7. When installing, be careful to follow this reverse sequence. Also, make sure the center point of the X-ray tube assembly is aligned with the center position of the window
8. Finally, when everything is fixed, you can add the heated transformer oil to the ball tube (the temperature should be below 60 degrees Celsius).