REMOVING AND REPLACING ROTATIONAL PARTS
When the tube head rotation is less than 540 and you have isolated the
malfunction to the rotational parts, you must inspect them. You do this by removing the
X-ray head from the scissors arm as follows. Refer to figures 4-8 through 4-13.
a. Secure the Safety Strap. To facilitate the removal of the X-ray head, the
scissors arm must be secured with the safety strap as shown in figure 4-8.
Figure 4-8. X-ray head removal, part one.