Planmeca Proline XC Technical Manual page 74

Chapter D - ADJUSTMENT & CALIBRATION
If the distance from the middle ball to the center of the tenth ball on the left-hand side is less
than 118mm and on the right-hand side more than 122mm then the patient positioning mech-
anism must be moved towards the column.
Figure 37
If the distances from the middle ball to the center of the tenth ball on both the right and left are
more than 122mm then the patient positioning mechanism is too far backward and must be
moved forwards.
Figure 38
If the distances from the middle ball to the center of the tenth ball on both the right and left are
less than 118mm then the patient positioning mechanism is too far forward and must be
moved backwards.
Figure 39
D-20 Planmeca Proline XC X-ray unit
Right-hand side
Film
More than 122mm
Less than 118mm
Right-hand side
Film
More than 122mm
More than 122mm
Right-hand side
Film
Less than 118mm
Less than 118mm
PATIENT POSITIONING MECHANISM
Technical Manual