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