8
6. Cleaning.
Danger of injuries
by unintentional switching on. Pull plug prior to cleaning.
Clean motor by means of dry compressed air ( from the outside).
Check connecting lines on damages.
Clean and grease sliding surfaces regularly. Should, nevertheless, lateral play
arise by wear of the dovetail guide, this could be adjusted by adjusting the
laterally positioned set screws (K).
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.
7. 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.
Only use genuine ALFRA spare parts.
Spare part list at the end of this operation manual.
8. Accessories
Tool Holder AMK 3 – Morse Taper 3
For Cutters with weldon shank
Product -No. 18025
Alfra Rota Quick HSS Co Core Cutter
Ø 12 – 60 mm
Cutting depth 25 mm
Product -No. 1901 0.. 025 / 1902 0.. 025
Center- and ejector pin
Product –No. 1926500
Alfra Rota Quick HSS Co Core Cutter
Ø 12 – 40 mm
Cutting depth 35 mm
Product -No. 1901 0.. 035
Center- and ejector pin
Product –No. 1935500
Alfra Rota Quick HSS Co Core Cutter
Ø 12 – 60 mm
Cutting depth 50 mm
Product -No. 1901 0.. 050 / 1902 0.. 050
