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Section 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).
F-48
ORTHORALIX 9200
(4)
Adjust the belt of the Y movement by loosing the nut (h)
of the belt stretcher and by turning the bolt (i).
(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:
M
O
V
E
M
E
N
T
X
Y
R
C
T
e h
e t
s n
o i
n
o
t f
e h
c
s a
e t
s n
o i
n
y b
a
p
p
i y l
g n
a
p s
a
n
o t
a h
e v
a
i d
p s
a l
I
t f
e h
b
t l e
e t
s n
o i
n
s i
o
s
r p
n i
. g
(03.0)E
Service Manual
B
E
L
T
D
S I
P
T
E
N
S
O I
N
N (
)
1
4
7
5 ,
1
4
5
N
O
T
E
e s
e t t
b
t l e
s i
n
t o
a
j d
s u
a t
b
. e l
f
r o
e c
f o
5
N
i
t n
e h
e c
t n
e r
o
t f
e h
e c
m
e
t n
f o
5
m
m
.
t u
f o
p s
c e
i f i
a c
o i t
, n
e r
p
a l
e c
t
DENTSPLY Gendex
L
A
C
E
M
E
N
T
(
m
m
)
5
5
5
5
V
r e
y f i
t
e h
b
t l e
o l
g n
s e
f t
e r
e
e h
b
t l e
o
t r
e h
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