Planmeca Proline XC, Technical Manual, Page: 105 / 258

Chapter D - ADJUSTMENT & CALIBRATION
Planmeca Proline XC X-ray unit D-51
CEPHALOSTAT ADJUSTMENT
Technical Manual
7.5 Soft tissue filter adjustment
Check the radiation beam position according to instructions given in section 7.4 “Checking the
soft tissue filter” on page D-48. If the left side of the radiation beam is too far left or right the
radiation beam must be repositioned.
Radiation beam too far left or right
Check the place of the radiation beam from the scale on the beam alignment tool (Fig. 83, 1).
Screw the cephalostat arm adjusting screw according to the table (Fig. 83, 2, 3).
For example: if the radiation beam extends 3mm passed the “0mm line”, screw the adjusting
screw about 0.6 turn counterclockwise.
If the radiation beam does not reach the “0mm line”, the screw must be screwed counter-
clockwise according to the same table.
Figure 83
NOTE Place the ceph head support alignment tools in the ear post holders and check the
cephalostat arm adjustment according to instruction given in section 7.2 “Checking
the head support position” on page D-44.
1
2
3
4
3 6 9 12 15
4 5
6
PLANMECA PM 2002 Proline CC Cephalostat 18x24 No.652232
Posiotioning light 25mm
Posiotioning light 0mm Soft tissue filter 0mm
mm
9 6 3 0 3 6 9 12 mm
1
2
3