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The outside of the unit should be cleaned thoroughly and any harmful substances removed. Alternatively, a sea
led coating may be applied before the unit is removed from the danger area. All unit parts are to be
considered contaminated when they are removed from the danger area. To avoid distribution of the
dust, you must take the appropriate measures.
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In the framework of maintenance and repair work all contaminated objects that cannot be cleaned satisfactorily
must be disposed of. Such objects must be disposed of in impermeable bags in accordance with the
valid provisions for the disposal of such waste.
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When transporting or maintaining the device, the suction opening must be closed with the plug.
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Maintenance work may only be carried out by approved customer service outlets or experts in this field who are
familiar with the respective safety regulations.
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Please observe the local safety regulations regarding portable commercially used appliances.
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Risk due to dust hazardous to health. Always use disposal clothing and P2 or higher breath-safe masks while
carrying out maintenance tasks (such as changing filters).
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For class H and class M machines, the outside of the machine should be decontaminated by vacuum cleaning
methods and wiped clean or treated with sealant before being taken out of a hazardous area. All the
machine parts shall be regarded as contaminated when removed from the hazardous
area and appropriate action taken to prevent dust dispersal
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You can test the servifiltration capacity of the device using the test procedure specified in EN 60 335–2–69
22.AA.201.2. This test must be done at least once a year or more frequently if the national regulations demand
it. If the test results are negative, the test is to be repeated with a new cartrdige filter.
ATTENTION
Risk of damage! Do not use detergents containing silicone to clean.
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No outside help is required for carrying out basic maintenance and cleaning.
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The appliance surface and the inside of the container should be cleaned regularly using a damp cloth.
1.9 SAFETY DEVICES
CAUTION
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Safety installations serve the protection of the user and may not be modified or bypassed.
WARNING
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Safety equipment for preventing hazards must be serviced and maintained regularly. This means that the manu
facturer's staff or persons trained by the manufacturer must check the equipment for proper functioning at least
once a year, i.e. check for leaks, filter damage, functioning of the controlling elements, etc.
Warning light and sound
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Warning light and/or warning sound will go on when the air speed in hose falls below 20 m/s for Dust Class M
and H version.
1.10 Tests and approvals
Electrical tests must be performed in accordance with the provisions of safety regulations EN 62638. These tests must be
performed at regular intervals and after repairs or modifications. The vacuum cleaner has been approved in accordance with
IEC/EN 60335-2-69.
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