Hilti VC 20-UL Manual De Instrucciones página 32

▶ Wear personal protective equipment.
▶ Clean the maintenance area in a way that prevents hazardous substances escaping into the surrounding
environment.
▶ Vacuum off the outer surfaces of the appliance and wipe it clean or seal it in a suitable container, e.g.
large plastic bag, before removing it from an area contaminated with hazardous substances. This will
help to avoid distribution of the hazardous dust deposited on it.
▶ 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.
▶ The appliance 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, and to ensure correct operation
of controlling devices.
8.2 Automatic filter cleaning
Note
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.
▶ Replace the filter element at least every six months.
▶ However, if used intensively, the filter element should be replaced more often.
8.3 Changing the filter element
1. Disconnect the supply cord plug from the power outlet.
2. Open the filter cover catches.
3. Open the filter cover.
4. Carefully remove the filter element, gripping it at the areas provided in the holder.
5. Clean the sealing surface with a cloth.
6. Fit the new filter element.
7. Close the filter cover by flipping the cover catch forward.
8. Close the filter cover catch.
8.4 Checking the container level monitoring system
1. Engage the wheel brakes so that the vacuum cleaner stands securely.
2. Disconnect the supply cord plug from the power outlet.
3. Open the two catches.
4. Lift the vacuum cleaner top section away from the waste material container and place it on a level surface.
5. Check the cut-out contacts and clean them with a brush if necessary (if dirty).
6. Check the seal at the vacuum cleaner top section and clean it with a cloth if necessary.
7. Fit the vacuum cleaner top section onto the waste material container and close the two catches.
8.5 Checks after cleaning and maintenance
1. After cleaning or carrying out maintenance, check that the vacuum cleaner is assembled correctly and
that it functions faultlessly.
2. Test each of the functions.
9 Transport and storage
9.1 Transport
Do not carry the appliance when it is full of waste material.
The appliance may not be lifted directly by crane.
▶ Remove the power conditioner (if applicable) or loose accessory tools from the holder.
▶ Empty the appliance before carrying it to another location.
▶ Do not tip the appliance or transport it lying on its side after using it to pick up liquids.
▶ Use the tapered adapter to connect both ends of the hose together conveniently for transport.
26 English
Printed: 25.08.2017 | Doc-Nr: PUB / 5370902 / 000 / 00
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