ALFRA ROTABEST Piccolo 38/50 X Manuel D'utilisation page 13

• During the drilling process, the cutter should be cooled permanently. Optimal cooling is possible by internal
cooling with our coolant unit.
• During the drilling process, do not stop the motor. After the process, cutter draws back with running motor.
• Remove chips and core after each drilling.
Remove chips with Chip-Remover. Do not touch with bare hands. Danger of injury!
How to work with twist drills
• The drill chuck with Weldon shank is only to be used with twist drills up to a diameter of 13 mm.
• Insert drill chuck with adaptor in the drill spindle.
• Insert twist drill in drill chuck and tighten.
Cleaning
Pull plug prior to cleaning. Danger of injury by unintentional switching on.
• Clean the outside of the motor by means of dry compressed air.
• Check connecting lines on damages.
• Clean and grease sliding surfaces regularly.
• Carbon brushes should be replaced after appr. 250 hours running time.
• After the work is finished we recommend to store the metal core drilling machine in the transport case in a
lying position.
Maintenance and repair
Maintenance, checks and repairs are only to be made by electronic specialists according to the valid regulations of
the respective country.
Only use genuine ALFRA spare parts.
Spare part list at the end of this operation manual.
The metal core drilling machine Alfra Rotabest should be serviced after appr. 250 hours running time by our Alfra
workshop or appointed dealers. The Gear oil (Lubcon, Turmogearoil PE 150 300ml) should be exchanged as well
as the brushes.
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