DR. BENDER PB WX2 Handbuch - Seite 9
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Water connection - PB WX8/10 and PB WX8/10 VB Powerbox
tap water, no dirty water or sewage, otherwise the heat transfer at the cooling surfaces is no longer
ensured and the motor may suffer irreparable damage.
The PB WX2 Powerbox is air-cooled and consequently requires no water connection.
5.3
Powerbox operation
Set the motor controller on the Powerbox to the desired speed. The
maximum speed will be obtained when the adjusting wheel is
completely turned to the right. By this adjustment, the range is set
from zero to the final speed. This speed range will then be at your
The green LED
The green button on the Powerbox is used to turn the Powerbox on stand-by. When switched on, the green
LED by the speed adjuster lights up.
The yellow LED
The lighting up of the yellow LED indicates the operation with the maximum available power of the system;
the driving machine simultaneously sets back the speed a little, so that you will also have an additional
acoustic signal in order to decrease the feed power to some extent. You may work continuously in the
yellow field, the machine will not be damaged.
The water should flow first through the WX8/10 and
WX8/10 VB type Powerboxes, then through the driving
machine and only afterwards reach the saw blade or
core bit. Therefore, connect the water supply to the
water inlet (with ball plug valve) provided on the
Powerbox. The water outlet of the Powerbox will be
connected to the water inlet of the driving machine (for
instance Squatina 400, see illustration on the left).
Caution: if possible, do not exceed the maximum
water pressure of 3 bar.
The Powerbox and the motor are water-cooled.
Therefore, make sure to provide sufficient cold water
in operation (the cooling water should not exceed
30°C). The machine must be operated with at least
1/2 liter water per minute at full load. Use only pure
disposal at the accelerating switch
placed on the handle of the tool.
When
pulled
through,
accelerating switch (of Squatina 400,
for instance) gently increases the
speed. The adjusting wheel enables
the additional decrease of the speed
to the final one. When turned to the
right up to the backstop, the entire
final speed that was preset on the
Powerbox will be available. The
arresting knob of the accelerating
switch has no function in this application.
When connecting the Powerbox to the mains, a brief self-test of the
electronic unit is carried out. All LED-s successively light up in the process
for a short time (for about 2 seconds).
the
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