Hilti VC 20H-X, Оригинальная инструкция по эксплуатации, Страница: 35 / 204

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2326117 English 29
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To restore the AC supply to the electrical device connected to the power outlet, press the overcurrent
protection circuit-breaker.
8 Care and maintenance
8.1 Care of the vacuum cleaner
WARNING
Electric shock hazard! Improper repairs to electrical parts can lead to serious injuries due to electric shock.
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Electrical parts may be repaired only by trained electrical specialists.
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Keep the vacuum cleaner, especially its grip surfaces, clean and free from oil and grease. Do not use
cleaning agents containing silicone.
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Never operate the vacuum cleaner when the air vents are blocked! Clean the air vents carefully using a
dry brush. Do not allow foreign objects to enter the interior of the vacuum cleaner.
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Clean the outer surfaces with a slightly damp cloth at regular intervals. Do not use a spray system,
pressure jet washer or running water for cleaning as this could negatively affect the electrical safety of
the vacuum cleaner.
H-class vacuum cleaners:
Handling of the vacuum cleaner for cleaning and maintenance must be such that maintenance personnel
and others are not endangered.
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Use filtered forced ventilation.
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Wear personal protective equipment.
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Clean the maintenance area in a way that prevents hazardous substances escaping into the surrounding
environment.
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Before removing the tool from the area contaminated with hazardous substances, use the vacuum
cleaner to vacuum its own exterior clean, wipe it clean or place the vacuum cleaner in a sealed bag or
container. This will help to avoid distribution of the hazardous dust deposited on it.
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When maintenance or repairs are carried out, all contaminated parts which cannot be satisfactorily
cleaned must be packed in impermeable bags and disposed of in compliance with the applicable
disposal regulations.
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The vacuum cleaner must be subjected to a technical inspection by Hilti Service or a trained person at
least once a year to check, for example, for damage to the filter, air leakage of the vacuum cleaner, and
to ensure correct operation of the controls.
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In addition, the filter efficiency of H-class vacuum cleaners has to be tested at least once a year or
possibly more frequently if so required by country-specific regulations. The procedure that can be used
for verifying the filter efficiency of the machine is set out in EN 60 335-2-69 (22.AA.201.2). If failed, the
test has to be repeated with a new main filter installed.
8.2 Filter cleaning
Do not attempt to clean the filter element by knocking it against a hard object and do not use pointed
instruments. This will reduce the life of the filter element.
Do not use compressed air to clean the filter element. This may cause tears in the filter material.
The condition of the filter element deteriorates with use.
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Replace the filter element at least every six months.
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However, if used intensively, the filter element should be replaced more often.
8.3 Changing the filter element 5
1. Disconnect the supply cord plug from the power outlet.
2. Slacken the locating screw with a hex key (5 mm).
3. Open the retainer for the filter cassette.
4. Open the filter cassette.
5. Carefully remove the filter element, gripping it at the areas provided in the holder.
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Dispose of the filter in the sealed bag in accordance with the applicable regulations.
6. Clean the sealing surface with a cloth.
7. Insert the new filter element.