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Switching on and off
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Check connecting line and plug on damages first!
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Push button MAGNET ON, in order to initiate the magnet and the magnetic adhesion is guaranteed.
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For non-magnetizable materials, please use the ROTABEST Vacubest (Prod.-No. 18150).
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When working on walls and ceilings, safe the machine with the safety belt.
For these operations we recommend cooling with our spray ALFRA BIO 2000, Prod.-No. 21010.
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Push the button MOTOR ON to start the Motor.
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The magnet foot now reaches its maximum magnetic adhesion! In case of a damaged magnet,
the motor won´t start.
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To switch off machine proceed in reverse order: MOTOR OFF and then MAGNET OFF!
How to work with annular cutters
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Push ejector pin (center pin) through head of annular cutter.
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Core drills with Weldon shank are tightened with clamping screws DIN 913 on both clamping surfaces.
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Core drills with RotaQuick shank are tightened with clamping screws DIN 914 in a countersinking, tighten the
second clamp screw
.
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First place annular cutter with ejector pin on a marked center or marking.
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Spot-drill until the entire cut edge is formed as a circle.
Drilling with ALFRA ROTABEST cutters does not require much expenditure of force.
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During the drilling process the cutter should be cooled permanently. Optimal Cooling is possible by
internal cooling with our coolant unit.
