Sirona ORTHOPHOS XG 3 DS, Service Manual, Page: 482 / 578

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D3352.076.01.13.02 07.2008
6.19 Replacing the light barriers Tabs 6
The following light barriers can be replaced:
In the panoramic X-ray unit
z
Light barrier at actuator 1, ON position: V1_1
z
Light barrier at actuator 2, ON position: V1_2
z
Light barrier at ring motor, starting position of rotation: V1_3
z
Light barrier at HA motor, height adjustment: V1_4
In the cephalometer
z
Light barrier for patient diaphragm position detection, ceph: V91_1
z
Light barrier for sensor position detection, ceph: V91_2
ATTENTION: What to do after replacement?
After replacing V1_1, 2 and 3:
– Perform a complete unit adjustment (see chapter 4).
After replacing V1_4:
– Perform a function check.
After replacing V91_1 and 2:
– Execute S034.4 and S034.5 (see pages 5.19.1 ff.)
– Check the CEPH adjustment by taking diaphragm test exposures:Fixed
point of rotation and Quickshot
– Perform a CEPH unit adjustment if necessary (see chapter 4).