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-4means 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”).
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