Planmeca Proline XC, Technical Manual, Page: 78 / 258

Chapter D - ADJUSTMENT & CALIBRATION
D-24 Planmeca Proline XC X-ray unit
PATIENT POSITIONING MECHANISM
Technical Manual
If the patient positioning mechanism is too far forward or too far backwards the fore/aft posi-
tion must be adjusted and the new position programmed into the memory.
Enter the test mode if you are not already in it.
Touch the ready field to drive the X-ray unit to the exposure position. When the X-ray unit is
ready the ready field is green.
Start to take a test exposure by pressing and holding down exposure button on the remote
control. Stop pressing the exposure button after about two seconds so that the rotating unit
stops moving.
An error code will appear on the display. Clear the error code from the display by touching the
OK field.
Manually adjust the rotating unit position so that the center line that runs through the tube
head and film cassette mechanism is at a right angle to the wall. Slide the alignment pin
through the hole in the top of the vertical carriage so that it goes into the positioning hole in
the rotating unit.
Figure 47
NOTE Adjust the position of the rotating unit by holding the cassette carriage. Never use the
tube head to adjust the position.
Leave the ball phantom tool in position and place the alignment ruler in position between the
primary collimator and the secondary collimator as described earlier. The line on the align-
ment rule must not line up with the line on the ball phantom but must be parallel to it. (If the
two lines do line up it indicates that the patient positioning mechanism is correctly positioned).
Figure 48
Alignment pin
Center line at a right
angle to the wall
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PLANMECA No.50971
X-LINE
Y-LINE
-LINECA.EPS
Alignment ruler
Ball phantom