Gendex ORTHORALIX 9200 Service Manual page 112

In the ceph arm for the Orthoralix 9200 DDE versions, others three
belts (used to move the ceph secondary collimator and the Digital
Module Unit DMU) are present.
To replace them proceed as follows:
A) Belt for the DMU movement
1.
Loosen the belt stretcher by unscrewing the nut (a) and then
bolt (b).
2.
Remove the screws (c) with plates and replace the belt (d).
Cut the new belt at the right length, comparing the new one
with the old one.
3.
Ensure that the plates are properly accommodated on the
teeth of the new belt, then fix them with securing screws
(c).
4.
For the adjustment of the belt tension refer to paragraph
Tension adjustment of the drive belts of this Section F.
B) Belt for the ceph secondary collimator movement
1.
Loosen the belt stretcher by unscrewing the nut (e) and then
bolt (f).
2.
Remove the screws (g) with plates and replace the belt (h).
Cut the new belt at the right length, comparing the new one
with the old one.
3.
Ensure that the plates are properly accommodated on the
teeth of the new belt, then fix them with securing screws (g).
4.
For the adjustment of the belt tension refer to paragraph
Tension adjustment of the drive belts of this Section F.
Gendex Dental Systems 4519-190-71193-7
F-43
Printed on: 20 Apr 2012, 04:59:40 pm; Printed by: UWE.ZELLER
ORTHORALIX 9200 Service Manual
C) Belt from the motor to the ceph secondary collimator
movement
1.
Loose nthe belt stretcher by unscrewing the two screws (i).
2.
Remove the belt (l) from the gears of the motor (m).
3.
Loosen the belt stretcher by unscrewing the nut (e) and then
bolt (f).
4.
Remove the screws (g) and one fixing plate so that it is pos-
sible to remove the belt (h) from the roller (n).
5.
Remove the roller assembly (n) by unscrewing the two screws
(o); then remove the roller from the pin and finally remove
the belt (l) from the roller.
6.
Proceed backwards for the mounting of the new belt.
7.
When mounting back the belt (h), ensure that the plate is
properly accommodated on the teeth of the belt, then fix it
with securing screws (g).
8.
For the adjustment of the belt tension refer to paragraph
Tension adjustment of the drive belts of this Section F.
(03.0)E