Translation of the original operating manual
Drive unit for flexible shafts
– MB 50
OI NO.: 001 580 674
- 15 - of -16-
Version 16.01.2020
GB
Shaft break
Disconnect unit from mains and
replace flexible shaft, check the
speed if necessary
Motor overload
The motor switches itself off for
self-protection
Tool blockage
Shaft break
Disconnect unit from mains and
replace flexible shaft, check the
speed if necessary
Speed too low
Increase the speed (according to
the tool manufacturer's
specifications)
Tool vibrates strongly
Tool incorrectly clamped
Speed set too high
Clamp tool correctly
Reduce speed
Tool is released from collet
chuck
Machine does not start
Main switch "OFF", switch on
again after 30 sec. (Reset)
9 Maintenance
DANGER
– Electricity!
Disconnect the unit from the mains before starting any maintenance work!
The unit is largely maintenance-free.
Check the unit for visible damage before each use.
Clean the cooling fins of the machine and tool regularly (
without water!
)
Clean the machine of dust every 100 operating hours. To do this, unscrew the hood and vacuum out the interior.
9.1 Flexible Shaft
If the shaft breaks, interrupt work and replace the flexible shaft immediately.
9.2 Other Maintenance
CAUTION
– Risk of injury from worn tools!
Check the spindles, threads and clamping devices regularly for wear and for compliance
with the tolerances!
Replace worn tools immediately.
Wear personal protective equipment in the work area!
Before starting work, conduct a visual check of the drive unit, handpiece, flexible shaft and tool.
If defects are detected, return the machine to our head office or one of our authorised service centres for repair.
Protect the unit, particularly the drive and operating elements, from dust and dirt.
Clean the air slots of the machine. The maintenance must be carried out at least once a year. At the latest after
wear and replacement of the carbon brushes.
Use compressed air to do the cleaning.
