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machine has switched off, the LED display lights up
red.
The machine is switched off due to overtemperature if
the permissible motor temperature is exceeded while
processing a workpiece. The LED display lights up red.
When it is switched on again, the machine goes into
cooling mode.
As an alternative, you can allow the machine to cool
while it is switched off.
6.3 Speed adjustment
The router is equipped with an electronic speed control
(see Fig. 1).
Speed normal operation
The milling cutter speed can be adjusted in 6 levels
between 10000 and 24000 rpm via the speed button 5
(Fig. 1) below the LED display. When the machine is
switched on with a soft start, the speed increases to
the set final speed. The electronic levels are depicted
in the following figure.
(1) Normal operation
(2) Throttled operation
(3) Cooling run
Speed throttled operation
When processing end-grained wood surfaces, the
speed can be lowered by 30%. To do so, press the
speed reduction button 6 (Fig. 1). The LED display
then flashes blue. The speed reduction is reset by
pressing the speed reduction button again; the
machine runs in normal operation again.
After a disconnection from the mains, the speed
reduction is reset; the machine runs in normal
operation again. The LED display lights up blue. When
Speed setting
the machine is switched on, the LED display indicates
the last speed set.
Which electronic level must be set for which milling
cutter Ø and material can be gathered from the
following table.
Material
(Recommended
cutting)
Hardwood
(TCT / HSS)
Softwood
(HSS / TCT)
Coated chip
board
(TCT)
Plastic
(TCT)
Speed cooling mode
If the machine is in cooling mode, the speed is
automatically reduced to 8000 rpm.
Irrespective of the previously set speed, the spindle
speed remains constantly at 8000 rpm.
The machine switches off when cooling mode is
complete. When the machine is switched on again, it
continues to run in normal operation.
6.4 Milling depth adjustment
6.4.1
Column clamping
The machine is equipped with a permanent column
clamping.
By actuating the column clamping lever 18 (Fig. 2), the
clamping is released and you can adjust the machine
height.
Releasing the column clamping lever reactivates the
clamping.
-27-
Milling
Milling
cutter Ø
cutter Ø
3 – 14
15 – 25
mm
mm
6 - 4
5 - 3
6 - 5
6 - 3
6 - 5
6 - 3
Danger
Do not work with the LO 55 if the
electronic system is defective, as
this may lead to excessive speeds.
A faulty electronic system can be
recognised by the lacking soft start,
by a heightened idling noise or if no
speed control is possible.
Milling
cutter Ø
26 – 35
mm
3 - 1
4 - 1
4 - 2
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