Acteon X-MIND prime 3D ceph - Page 276

Service Manual – Corrective maintenance
SERVICE MANUAL • X-MIND prime 3D • (19) • 11/2019 • NXMPEN080A
274
Adjustments
Warning
The Y ceph offsets regulations will affect the position of the projection of
the primary collimator on the ceph image plane. Therefore after the Y axis
adjustment it’s recommended to perform all the ceph checks requested by
the following paragraphs (in the exact numeric sequence).
If an adjustment is required modify the Y Ceph offset according to the following
convention:
OFFSET
Effect on measure of segment D
Y ceph [+]*
INCREASE the segment D length
Y ceph [-]*
DECREASE the segment D length
*Note: The symbols [+] and [-] mean, respectively, an increase and a decrease of
the offset value.
Offset Conversion
1 offset ≃ 0.2mm measured on the Y axis
Furthers checks after the adjustment
If the offset has been modified perform all the checks of the following paragraphs
following the numeric sequence