Gendex ORTHORALIX 9200 Service Manual page 121

ORTHORALIX 9200 Service Manual
F.6.2 Tension adjustment of the drive belts
For the tension adjustment of the drive belts, proceed as follows:
1.
Remove the top cover (a) of the Z-carriage by unscrewing
the six Allen screws (b).
2.
If it is necessary to adjust the tension of the rotation belt,
remove also the lower cover (c) and the central cover (d), by
removing the four screws (e).
3.
Adjust the belt of the X movement by loosing the nut (f) of
the belt stretcher and by turning the dowel (g).
4.
Adjust the belt of the Y movement by loosing the nut (h) of
the belt stretcher and by turning the bolt (i).
Gendex Dental Systems 4519-190-71193-7
F-52
Printed on: 20 Apr 2012, 04:59:40 pm; Printed by: UWE.ZELLER
5.
Adjust the belt of the R movement by loosing the dowel
(l) and, with an open wrench, by turning the nut (m) of the
eccentric pin (n).
6.
Check the belt tension by applying a force in the centre of
the longest free span of each drive belt and by measuring
the relevant displacement. Refer to the table below for the
correct values:
MOVEMENT BELT TENSION (N)
X 14
Y 7,5
R 14
C
The tension of the cassette belt is not adjustable. Verify the
belt tension by applying a force of 5 N in the centre of the
longest free span to have a displacement of 5 mm.
If the belt tension is out of specification, replace the belt or
the spring.
DISPLACEMENT
(mm)
5
5
5
5 5
(03.0)E