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Note
Vacuum cleaners of dust class H must be
serviced as required, but at least once a
year, repaired if necessary and checked by
an expert (qualified in accordance with
TRGS 519 Number 5.3, Paragraph 2). You
must present the test result on request.
Dust extraction machines are safety devic-
es for the prevention or elimination of haz-
ards according to the German BGV A1.
● For servicing performed by the user, the
device must be disassembled, cleaned
and maintained only to the degree that
this is possible without presenting a dan-
ger to the maintenance personnel and
other persons. Suitable precautionary
measures include detoxification before
disassembly. Make provisions for local
forced ventilation at the location where
the device is to be disassembled, for
cleaning the maintenance surface and
to ensure adequate protection for the
personnel.
● The exterior of the device should be de-
toxified by vacuuming and wiped clean,
or treated with sealant before being re-
moved from the hazardous area. All de-
vice parts must be regarded as
contaminated when they are taken from
the hazardous area. Suitable measures
must be taken to prevent distribution of
the dust.
● All contaminated objects resulting from
maintenance and repair work that can-
not be satisfactorily cleaned must be
correctly disposed of. Such objects must
be disposed of in sealed bags in accord-
ance with the applicable regulations for
the disposal of this type of waste.
● The suction hose ports are to be closed
using the sealing plugs during transport
and maintenance of the device.
1. Note that you can carry out simple main-
tenance and care work yourself.
2. Clean the surface of the device and the
interior of the container regularly with a
moist cloth.
3. Carry out a regular visual inspection for
clogging of the hoses.
28
Inspection and maintenance work
Have the device regularly inspected ac-
cording to the respective national accident
prevention regulations. Maintenance work
as specified by the manufacturer must be
performed by a technically qualified person
at the specified regular intervals and in ac-
cordance with the applicable regulations
and safety requirements. Work on electrical
components may only be performed by a
qualified electrician. Please contact a
KÄRCHER branch office if you have any
questions.
Replacing the main filter
DANGER
Danger from dust that is harmful to your
health
Respiratory sicknesses through inhalation
of dust.
Accumulated dust must be transported in
dust-proof containers. Do not transfer the
contents. The dust bag may only be dis-
posed of by qualified staff.
Waste that contains asbestos must be dis-
posed of in accordance with the instruc-
tions and rules for waste disposal.
WARNING
Danger from dust that is harmful to your
health
Respiratory sicknesses through inhalation
of dust.
Do not use the main filter element after re-
moving it from the device.
Permanently installed filters may only be
replaced by an expert in a suitable area,
e.g. a decontamination station.
1. Secure the device with the parking
brakes.
2. Switch off the device using the trigger.
3. Pull out the mains plug.
4. Unlock and remove the suction head.
5. Remove the contaminated main filter.
6. Immediately after removing the contam-
inated main filter from the device, place
it in a bag and seal the bag tightly.
7. Dispose of the contaminated main filter
according to legal requirements.
8. Check the sealing ring for damage.
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