English
8.1
Electronics
The machine features full-wave phase control
electronics with the following features:
Smooth start-up
The electronically controlled smooth start-up
ensures that the machine starts up jolt-free.
Speed control
You can regulate the speed steplessly with the
adjusting wheel [1-6] in the speed range (see ).
This enables you to optimise the cutting speed
to suit the surface (see table).
Constant speed
The preselected motor speed is maintained on
a constant level. Electronic controls ensure a
steady cutting speed even when operating un
der different loads.
Temperature cut-out
The machine power supply is limited and the
speed reduced if the motor exceeds a certain
temperature. The machine continues operating
at reduced power to allow the ventilator to cool
the motor quickly. If the machine temperature
exceeds the maximum permitted value for lon
ger periods, the machine switches off com
pletely after approx. 40 seconds and can only be
switched on again once the motor has cooled
sufficiently.
8.2
Setting sanding motion [3]
The change-over switch [1-2] can be used to
set three different sanding motions.
This change-over can only be carried
out with the sanding pad stationary
because the switch is locked during
operation.
Coarse sanding, polishing - ROTEX rotary mo
tion
The Rotex rotary motion is a combi
nation of rotary and eccentric mo
tions. This position is selected for
sanding with high output (coarse
sanding) and polishing.
10
+
Fine sanding - eccentric motion
This position is selected for sanding
with low output for a scratch-free
surface (fine sanding).
Triangular sanding and pad change [4]
This position is used for sanding with
the delta sanding pad and slat sand
ing pad; the rotary motion is blocked.
You can change the sanding pad in
this position.
The stop rod [1-8] blocks the installa
tion of the sanding pad in the change-
over switch positions ROTEX rotary
motion and eccentric motion.
3
8.3
Changing sanding/polishing pad [5]
Only use sanding and polishing pads
that are suitable for the maximum
speed specified.
Tuned to the surface being processed, the ma
chine can be equipped with two sanding pads of
different hardnesses.
Hard: Coarse and fine sanding on surfaces.
Sanding edges.
Soft: Universal for coarse and fine sanding, for
flat and convex surfaces.
When the interface pad [1-12] is fitted on the
sanding pad, strength is reduced = extra soft.
► Following the sanding pad change, switch
the change-over switch [1-2] to the desired
sanding motion.