12
1)
Option depending on model
Original Instruction Manual
4.2.3 Setting suction power
1)
The motor speed and the suc-
tion power can be varied with
the suction power control
1)
. This
allows precise adaptation of
the suction power for diff erent
cleaning tasks.
5 Applications and techniques
5.1
Techniques
If used correctly, additional ac-
cessories, suction nozzles and
suction hoses can enhance the
cleaning action and reduce the
cleaning eff ort.
Eff ective cleaning is achieved if
you follow just a few guidelines
in combination with your own
practical experience in special
fi elds.
Here are some basic tips.
To ensure that suction performance
is always at its best, the filter ele-
ment is automatically cleaned dur-
ing operation. We recommend com-
plete cleaning if the filter element
becomes extremely dirty.
4.3.2 Cleaning the filter
element (Automatic
Filter Cleaning
System)
1)
1. Switch off the vacuum clean-
er
2. Close the nozzles or suction
hose opening with the palm
of your hand.
10 sec
.
4.3
Cleaning the filter
element
4.3.1 Cleaning the filter
element (Push&Clean
System)
1)
1. Set the suction power to
maximum.
2. Close the nozzles or suction
hose opening with the palm
of your hand.
3. Press the button to start filter
cleaning three times. The re-
sulting stream of air removes
attached dust from the slats
of the filter elements.
1
2
x3
P
u
sh & Cle
a
n
Filter Cle
a
ning System
0
I
au
to
3. Turn the switch to position „I“
and let the cleaner operate
for approx. 10 seconds with
the suction hose opening
closed.
If suction performance drops.