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HOW TO WORK WITH TWIST DRILLS
1. Twist drills with MT4 shank can be inserted directly into the arbor.
2. For a maximum enlargement of the stroke when using twist drills, drill chucks and tapping
attachmentsthe motor can be continuously adjusted on the slide by loosening the Allen screw.
TAPPING
With a tapping attachment with MT4 shank, threads up to M 42 can be tapped.
CLEANING AND CARE
Pull plug prior to cleaning to avoid injuries by unintentional switching on of the machine.
!
• Clean the outside of the motor with dry compressed air.
• Check connecting lines on damages.
• Clean and grease sliding surfaces regularly. Should lateral play arise by wear of the dovetail guide
then this can be evened out by adjusting the laterally positioned set screws.
• 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, check and repairs are only to be made by electronics specialists according to the valid
regulations of the respective country.
• 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 after that
running time.
!
Only use genuine ALFRA spare parts.
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