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An appliance socket with earthing contact is inte-
grated in the machine. An external power tool can
be connected there. The socket features permanent
power on, when the electrical switch is in position
, i.e. the machine can be used as an extension cord.
In position
the machine 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 producing tools
should be connected.
The maximum power consumption of the connected
electrical appliance is stated in section "Specifica-
tions".
Before turning the switch to position
that the tool connected to the appliance socket is
switched off.
3.3
Filter Cleaning System
The machine is equipped with an automatic filter
cleaning system. A frequent cleaning cycle will auto-
matically run during operation to ensure that suction
performance is always at its best.
If suction performance decreases or in extensive
dust applications a manually filter cleaning operation
is recommended:
•
Switch off the machine
•
Close the nozzles or suction hose opening with
the palm of your hand.
•
Turn the switch to position „I" and let the ma-
chine operate at full speed for approx. 10 sec-
onds with the suction hose opening closed.
If suction power is still reduced take out the filter and
clean mechanically or replace filter.
For certain applications, like wet pick up, it is recom-
mended to turn off the automatic filter cleaning sys-
tem. For details see chapter 3.1.
3.4
Flow rate warning
CAUTION
Check that all the filters are present and
properly fitted.
The machine is equipped with a system to
monitor air velocity. Before picking up dust
with occupational exposure limit values, check
the volume flow monitor.
When the motor is running, hold the suction
hose shut to reduce the volume flow. The LED
indicator on front panel will light after approx.
1 second. The acoustic warning sounds after
some additional seconds.
Set the diameter setting to the actual hose size.
When LED indicator lights, air velocity is be-
low 20 m/s.
•
check if container or filter bag is full.
•
check if air flow is reduced in suction
hose, tube/nozzle, filter.
OEL=Occupational Exposure Limit,
1)
Original instruction
3.5
Antistatic connection
The machine is equipped with an antistatic
system to discharge any static electricity that
may develop during dust pick-up.
The antistatic system is placed in front part of the
motor top and creates an earth ground connection
to the inlet fitting of the container. For proper func-
tion the use of an electrical conductive or antistatic
suction hose is recommended. When inserting the
optional disposal bag make sure the antistatic con-
nection is kept.
3.6
Cooling air filter
ensure
To protect the electronics and motor, the machine is
equipped with a cooling air diffusor. Clean the cool-
ing air diffusor regularly.
For areas with a high concentration of fine dust in
the surrounding air it is recommended to equip the
machine with an optional cooling air filter cartridge to
prevent dust from settling inside the air channels and
motor. Contact your local sales representative.
If cooling air filter is clogged by dust the over-
load protection switch in the motor can be acti-
vated. In such case switch off the machine,
clean cooling air filter and allow machine to
cool for approx. 5 minutes.
3.7
Wet pick-up
The machine is equipped with a water level
limit system which shuts off the machine when
the maximum liquid level is reached.
When this occurs, switch off the machine.
Disconnect the machine from the socket and
empty the container. Never pick up liquids
without the water level limit system and filter in
place.
Picking up liquids.
•
•
•
•
Before emptying the container, unplug the machine.
Disconnect the hose from the inlet by pulling out the
hose. Release the latch by pulling them outwards
so that the motor top is released. Lift up the motor
top from container. Always empty and clean the con-
tainer and water level limit system after picking-up
liquids.
Empty by tilting the container backwards or sideways
and pour the liquids into a floor drain or similar.
Optional accessories / Option depending on model
*)
CAUTION
CAUTION
CAUTION
Do not pick up flammable liquids
Before liquids are picked up, always re-
move the filter bag/wastebag and check
that the water level limit works properly.
If foam appears, stop work immediately
and emty the tank.
Clean the water level limiting device regu-
larly and check for signs of damage.
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