4. Specifications regarding the machine
4.7 Revolution changer for 1.4 kW motor
The potentiometer can be used to infinitely adjust the revolutions of the working spindle from 150-2300
rpm (2nd setting = preset at the factory).
If the lower revolutions of 30-490 rpm (1st setting) are required, the drive belt must be applied. To do
this, proceed as follows:
1. Open the gear cover hood by undoing the safety screw with the supplied special key
2. Undo the hexagonal nut (3) and this loosen the drive belt (1 + 2)
3. Turn the clamping screw (4) anti-clockwise in such a way that the drive belt (1) can be placed on
the other transmission setting of the belt pulley (5 + 6)
4. To tension the drive belt (1 + 2) tighten the clamping screw (4) in a clockwise direction in such a
way that the drive belt (1 + 2) cannot slip on the belt pulley
5. Tighten the hexagonal nut (3) back up again
6. Close the drive cover hood again and secure with the safety screw
Setting on the potentiometer 1st setting rpm 2nd setting rpm
0% 30 150
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