Primary Collimator Adjustment, Planmeca Proline Xc Panoramic X-Ray Unit - Planmeca Proline XC Technical Manual

Chapter D - ADJUSTMENT & CALIBRATION
2.2 Primary collimator adjustment, Planmeca Proline XC
Panoramic X-ray unit
WARNING
DO NOT ADJUST THE POSITION OF THE PRIMARY COLLIMATOR MECHANISM WHILE
X-RAYS ARE BEING GENERATED. CHECK THE BEAM POSITION, ADJUST THE POSI-
TION WITH THE X-RAYS SWITCHED OFF AND THEN RECHECK THE POSITION. IF THE
BEAM IS STILL MISALIGNED REPEAT THE OPERATION.
Radiation beam too low or too high
If the beam is too high or too low, loosen the two screws that hold the outer collimator in posi-
tion and adjust as necessary. Tighten the screws and recheck the beam. Repeat the above
procedure until the beam is correctly positioned.
Beam too low
Figure 17
Radiation beam too far to the right or left
If the beam is too far to the left or right of the alignment rectangle loosen the two screws that
hold the primary collimator plate in position and move the plate until the beam is correctly
positioned. Tighten the screws and recheck the beam. Repeat the above procedure until the
beam is correctly positioned.
Beam too far to the left
Figure 18
D-10 Planmeca Proline XC X-ray unit
Beam too high
Securing screws
Beam too far to the right
Securing screws
PANORAMIC X-RAY BEAM ADJUSTMENT
Outer
collimator
Technical Manual