Planmeca Proline EC ceph, Technical Manual

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Chapter D - ADJUSTMENT & CALIBRATION
D-8 Planmeca Proline EC X-ray unit
PANORAMIC X-RAY BEAM ADJUSTMENT
Technical Manual
2.3 Primary slot adjustment, Planmeca Proline EC Pan/Ceph X-
ray
WARNING
DO NOT ADJUST THE POSITION OF THE PRIMARY SLOT MECHANISM WHILE X-RAYS
ARE BEING GENERATED. CHECK THE BEAM POSITION, ADJUST THE POSITION WITH
THE X-RAYS SWITCHED OFF AND THEN RECHECK THE POSITION. IF THE BEAM IS
STILL MISALIGNED REPEAT THE OPERATION.
Radiation beam too low, high or not vertical
If the beams are too high or low loosen the two screws that hold the panoramic primary slot
plate in position and adjust as necessary. Tighten the screws and recheck the beam. Repeat
the above procedure until the beam is correctly positioned.
Figure 7
If the beam is not vertical loosen the two screws that hold the primary slot mechanism to the
collimator tube and rotate the mechanism until the beam is correctly positioned. Tighten the
screws and recheck the beam. Repeat the above procedure until the beam is correctly posi-
tioned.
Figure 8
NOTE The ceph primary slots are also adjusted according to instructions given in this sec-
tion.
Securing screws
Beam too low Beam too high
Securing screws
Beam not vertical