Replacing The Silicone Rings; What Has To Be Done After Replacing The Bite Block Holder/Silicone - Sirona Orthophos XG 3D Ceph Service Manual

Sirona Dental Systems GmbH
Service Manual ORTHOPHOS XG 3D / Ceph
63 03 510 D3352
D3352.076.03.11.02 09.2016
9.9.2

Replacing the silicone rings

See also the chapter "Replacing the bite block holder [ → 402]".
1. Loosen the two screws A and remove the bite block holder.
For units with an occlusal bite block only:
2.
Unplug the connector of cable L41 from board DX51.
3. For silicone rings that have not yet been cut:
To prevent paint damage on the bracket, pull the old silicone rings B
slightly clear and cut through the silicone rings using scissors.
Remove the silicone rings B.
4. Cut open the new silicone rings at the marking C using scissors.
5. Replace the old silicone rings with the new silicone rings with the
markings D facing inwards and the cut edge C at the back.
6. Align the silicone rings with the recess E of the bracket using the
markings D on the silicone rings.
7. Place the front half F of the bite block holder into the groove in the
silicone rings.
8. For units with an occlusal bite block:
Plug the connector of cable L41 into the board of the bite block
holder.
9. Place the back half G of the bite block holder into the groove in the
silicone rings and check whether the outer edges are exactly flush
with the bite block holder.
10. Screw the bite block holder securely with the two screws A.
9.9.3 What has to be done after replacing the bite block holder/
silicone ring?
1. Check the unit adjustment using the
test exposure (see [ → 472]).
2. Perform a 2D unit adjustment, if necessary.
9 Repair
9.9 Bite block holder
"Pan symmetry test exposure"
403