Version 1.0.1 - 2020-07-23
30
Translation of original instruction
B20 | B25 | B32
EN
B20-
B25-
B32_
GB.
fm
INFORMATION
The threaded pin is only provided for correct positioning of a horizontal level of the drilling table.
4.4
Speed variation
WARNING!
Only disassemble the cover hood if the drilling machine is disconnected from the
electrical supply.
Close and screw down the protective cover after each change of speed.
Disconnect the machine from the electrical supply.
Remove the screw on the protective cover.
Open the protective cover of the belt drive.
Loosen the clamping screw of the V-belt tension and slide the motor in direction drill chuck.
Img.4-3: Speed variation
INFORMATION
A handle is attached to the drills with which the motor can be pushed towards the drill chuck.
Thus the pre-tension of the V-belts is loosened.
Put the V-belt/-s onto the required V-belt pulley/-s.
Re-tighten the V-belt/-s.
Close and screwing the protective cover again.
Img.4-4: Protective cover
ATTENTION!
Watch for the proper tension of V-belts. Too heavy or too low tension of the belt can
cause damage. The belts are correctly tensioned, when it can be by pressing with the
fingers for about 1 cm.
V-belt
Clamping screw
V-belt tension
Cover
V-belt
Handle