Nilfisk ATTIX 791-2M B1 OPERATING INSTRUCTIONS
ATTIX 791-2M/B1
302001675 C
ATTIX 791-2M/B1
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Contents
1 Important safety
instructions
ATTIX 791-2M/B1
............................................................................................2
2 Description
3 Before start-up
4 Operation
5 Applications and
techniques
6 After finishing work
7 Maintenance
2.1 Purpose ................................................................................5
2.2 Operating elements ..............................................................5
3.1 Assembling the cleaner ........................................................5
4.1 Connections .........................................................................5
4.1.1 Connecting the suction hose ................................................5
4.1.2 Electrical connection ............................................................5
4.1.3 Connecting electrical appliances ..........................................6
4.2 Switching on the vacuum cleaner .........................................6
4.2.1 Switch position “I” .................................................................6
4.2.2 Switch position „auto“ ...........................................................6
4.2.3 Suction power control ...........................................................6
4.3 Check volume flow monitor ..................................................6
4.4 Acoustic warning ..................................................................7
5.1 Techniques ...........................................................................7
5.1.1 Picking up dry substances....................................................7
5.1.2 Picking up liquids ..................................................................7
6.1 Switching the vacuum cleaner off and storage .....................8
7.1 Maintenance plan .................................................................8
7.2 Maintenance work ................................................................8
7.2.1 Check the antistatic clamps ..................................................8
7.2.2 Replacing the waste bag ......................................................9
7.2.3 Replacing the filter bag .........................................................9
7.2.4 Emptying the dirt tank ..........................................................9
7.2.5 Replacing filter element .....................................................10
7.2.6 Replacing the filter for air supply to motor ..........................10
8 Troubleshooting
9 Further information
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9.1 Recycling the vacuum cleaner ...........................................12
9.2 Guarantee ..........................................................................12
9.3 Tests and approvals............................................................12
9.4 Technical data ....................................................................13
9.5 Accessories ........................................................................13
9.6 EC declaration of conformity ..............................................13
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ATTIX 791-2M/B1
1 Important safety instructions
Symbols used to mark
instructions
For your own safety
Before using the
vacuum cleaner,
always read the
operating instructions and keep
them readily
available.
This symbol is
used to mark
safety instructions that must
be observed to
prevent damage to persons.
Only allow the vacuum cleaner
to be used by persons who have
been trained in its use and who
have been explicitly authorized
to use it.
Despite its simple handling the
vacuum cleaner is not suitable
for children.
This symbol is
used to mark
safety instructions that must
be observed to
prevent damage
to the vacuum cleaner and its
performance.
This symbol indicates tips and
instructions to
simplify work and to ensure safe
operation.
The use of the vacuum cleaner
is subject to valid national regulations. Besides the operating
instructions and the binding
accident prevention regulations
valid in the country of use, observe recognized regulations for
safety and proper use.
Do not use any unsafe work
techniques.
Transport
Purpose and intended use
Before transporting the dirt
tank, close all the locks.
Do not tilt the cleaner if there is
liquid in the dirt tank.
The vacuum cleaners described
in this operating manual are
suitable for
– commercial use, e.g. in
hotels, schools, hospitals,
factories, shops, offices and
rental businesses
– for separation of dust with an
exposure limit of greater than
1 mg/m³
– to pick up flammable, dry dust
in zone 22 (ATEX regulation
94/9/EG, II 3D T4 IP54)
The following materials should
not be picked up by the vacuum
cleaner:
– hot materials (burning ciga-
rettes, hot ash, etc.)
– flammable, explosive, ag-
Do not use a crane hook to lift
the cleaner.
gressive liquids (e.g. petrol,
solvents, acids, alkalis, etc.)
– mixtures of flammable dusts
with liquids
– explosive substances or
substances considered to
be similar in §1 of the law on
explosives
– flammable dusts with an ex-
tremely low minimum ignition
energy <1 mJ (also observe
national regulations).
– Highly reactive dusts or dusts
with a high affinity to oxygen
For dusts like titanium and magnesium additional requirements
apply, consult your national labour authorities or the manufacturer of the vacuum cleaner.
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ATTIX 791-2M/B1
Precautions and safety
regulations when using the
vacuum cleaner
Use the cleaner only if it is certain that no active sources of
ignition can be sucked in.
Conductive extraction equipment, e.g. extraction hoods on
machines and conductive parts
of machining equipment (e.g.
equipment in protective class
II) that are not earthed through
the cleaner, must be earthed in
some other way to prevent electrostatic charges.
The cleaner is not suitable for
extraction on machining equipment in operation that could
produce sources of ignition.
When dust removers are used,
Before start-up
Inspect power cord regularly
to detect signs of damage, e.g.
cracks or ageing.
the rate at which air is exchanged in the room must be
adequate if the exhaust air from
the vacuum cleaner is blown into
the room (please observe regulations valid in your country).
Before starting work, the operating staff must be informed on
– use of the vacuum cleaner
– risks associated with the ma-
terial to be picked up
– safe disposal of the picked
up material.
It must be assured that dust not
accumulate on the appliance by
regular cleaning.
limits the water level and check
it for damage.
See section 5 for information on
handling liquids and (hazardous) dust.
If the power cord is damaged,
it must be replaced by NilfiskAlto-Service or an electrician to
avoid danger before use of the
vacuum cleaner is continued.
Use only the type of power
cord specified in the operating
manual.
Do not damage the power cord
(e.g. by moving over it or pulling
or crushing it).
Disconnect the power cord by
pulling the plug only (do not pull
or tug the power cord).
Inspect the vacuum cleaners to
ensure that they are in proper
condition. Plugs and couplings
in power cords must at least
have splash protection.
Never use the vacuum cleaner if
the filter element is damaged.
Picking up liquids
If foam develops or liquid
emerges, stop work immediately
and empty the dirt tank.
Regularly clean the float that
Electrical components
Check the rated voltage of the
vacuum cleaner before connecting it to the mains supply
system. Ensure that the voltage
shown on the rating plate corresponds to the voltage of the
local mains power supply.
If you are using an extension
cord, use only those specified
by the manufacturer or higher
quality ones (see section 9.4
„Technical data“).
It is recommended that the
vacuum cleaner should be connected via a residual current
circuit breaker. This stops the
supply of electricity if the leakage current to earth exceeds 30
mA for 30 ms or it has an earth
tester circuit.
When using an extension lead,
check the minimum cross-sections of the cable:
Cable lengthmCross section
<16 A <25 A
up to 20 m
20 to 50 m
ø1.5mm² ø2.5mm²
ø2.5mm² ø4.0mm²
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