Operation
21
Position Revolutions per minute Position Revolutions per minute
A-4 300 B-4 480
A-3 640 C-4 600
A-2 790 B-3 1030
C-2 1600 B-1 1930
C-1 2410
7. To tension the V-belts, push the tension lever for the V-belt to the other side so that
the motor is pushed back again.
8. Tighten the two tensioning screws for the motor
4
again.
9. Check the V-belt tension.
The tension has been set correctly if you can push the middle of the V-belt in approx. 1 cm.
10. Close the protective hood and tighten the locking screw
2
again.
The protective hood is equipped with a safety switch.
If the protective hood is not closed and locked, the drill cannot be
switched on.
Speed table
Make sure the speed is correct when drilling. This depends on the drill bit diameter
and the workpiece you intend to drill. The following table will help you select the right
speed for the different work materials.
The specified speeds (in rpm) are reference values.
Drill ∅
Steel Aluminium Wood plastic
1.5 max. speed max. speed max. speed 1930
3 1930 max. speed max. speed 1930
4 1930 max. speed max. speed 1600
5 1600 max. speed 1930 1030
6 1030 max. speed 1930 1030
7 1030 max. speed 1600 790
8 790 1930 1030 600
9 600 1600 790 480
10 480 1030 640 300
11 480 1030 640 300
12 300 790 480 300
13 300 790 480 300
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