Nilfisk-ALTO AERO 21, Operating Instructions Manual, Page: 15 / 228

*) Optional accessories / Option depending on model
Original instruction
5
The use of non-genuine spare parts and ac-
cessories can impair the safety of the appli-
ance.
•
Only use spare parts and accessories
from Nilfisk-ALTO.
• Use only the brushes supplied with the
vacuum cleaner or specified in the operat-
ing manual.
2.5 Emptying dirt tank
CAUTION
Picking up environmentally hazardous materi-
als.
Materials picked up can present a hazard to
the environment.
•
Dispose of the dirt in accordance with le-
gal regulations.
2.6 In explosive or inflammable atmosphere
CAUTION
This machine is not suitable for use in explo-
sive or inflammable atmospheres or where
such atmospheres are likely to be produced
by the presence of volatile liquid or inflamma-
ble gas or vapour.
2.7 Blower function.
CAUTION
The vacuum cleaner has a blower function.
Do not blow the outgoing air randomly in en-
closed areas. Use the blower function only
with a clean hose. Dusts can be hazardous to
one’s health.
3 Control / Operation
3.1 Starting and operating of the machine
Check that the electrical switch is switched off (in
position 0). Check that suitable filters are installed
in the machine.Then connect the suction hose into
the suction inlet at the machine by pushing the hose
forward until it fits firmly in place at the inlet. Then
connect the two tubes with the hose handle, twist
the tubes in order to ensure that they are properly
fitted. Attach suitable nozzle to the tube. Choose
nozzle depending on what type of material that is to
be picked-up. Connect the plug into a proper electri-
cal outlet. Put the electrical switch into position 1 in
order to start the motor.
Press I : Activate the machine
Press 0 : Stop the machine
Press I : Activate the machine
Press 0 : Stop the machine
Press : Activate Auto-On/Off operation
Press I : Activate the machine - turn clock
wise for speed control
Press 0 : Stop the machine
Press : Activate Auto-On/Off operation
- turn counter clockwise for speed control
3.2 Auto-On/Off-Operation for power tools*
A socket outlet with earthing contact is integrated in
the vacuum cleaner. An external power tool can be
connected there.
The vacuum cleaner can be switched on and off by
the power tool connected. Dirt is picked up from the
source of dust immediately.
To comply with regulations, only approved dust pro-
ducing tools should be connected.
The maximum power consumption of the connected
electrical appliance is stated in section “Specifica-
tions”.
Before switching the switch to position ensure
that the tool connected to the appliance socket is
switched off.
3.3 Before wet pick-up
CAUTION
The machine is equipped with a float system
that shuts off the airflow through the machine
when the maximum liquid level is reached.
You will hear a noticeable change of the
sound from the motor and notice that the suc-
tion power decreases. When this occurs,
switch the machine off. Disconnect the ma-
chine from the socket. Never pick up liquid
without the float body in place.
3.4 Emptying after wet pick-up
Before emptying the container, unplug the vacuum
cleaner. Disconnect the hose from the inlet by pulling
out the hose. Release the latch by pulling them out-
wards so that the motor top is released. Open up the
motor top from container. Always empty and clean
the container and the float system after picking-up
liquids. Never pick up liquid without the float system
and filter installed in the machine.
Empty by tilting the container backwards and pour
the liquids into a floor drain or similar.
Put back the motor top to the container. Secure the
motor top with the latches.
3.5 Emptying after dry pick-up
Remove the electrical plug from the socket before
emptying after dry pick-up. Check the filters and
dustbag regularly. Release the latch by pulling them
outwards so that the motor top is released. Open up
the motor top from container.
Cartridge filter: To clean the filter you can either
shake, brush or wash it. Wait until it is dry before you
reuse it.