Operation
20
SPINDLE
MOTOR
A
1
2
3
4
A-4 500
A-3 770
B-3 1100
C-1 2500
B-4 680
A-2 980
B-1 2000
C-4 830
C-2 1600
B
C
1
4
7
2
5
8
3
6
9
2
1
3
4
2. Loosen the locking screw
2
of the protective hood
1
by turning it
anticlockwise with the hex key
23
.
3. Fold the protective hood up.
4. Loosen the two tensioning screws for the motor
4
.
5. Push the tension lever for the V-belt
25
to the side so that the motor
3
is
pushed towards the machine body.
This will release the tension on the V-belts.
The following figure shows the possible positions for the V-belts:
SPINDEL
MOTOR
A
1
2
3
4
A-4 300
A-3 640
B-3 1030
C-1 2410
B-4 480
A-2 790
B-1 1930
C-4 600
C-2 1600
B
C
1
4
7
2
5
8
3
6
9
Example
A-4
means that the right V-belt is located in position
A
and the left V-belt
is located in position
4
. The speed thus amounts to 300 rpm.
6. Set the required speed according to the following table. Please also observe the
recommended speeds (see the “Speed table”).
