Hilti NURON VC 4LX-22 Manual Del Usuario página 29

2. To switch off, set the control switch to the OFF position.
6.2 Bump-cleaning the filter
You can bump-clean the filter only when the vacuum cleaner is switched on.
1. Close off the end of the hose.
▶ This maximizes bump-cleaning power.
2. Wait until maximum vacuum has built up.
3. Press the
operating button.
6.3 Vacuuming up liquids
CAUTION
Risk of injury by dusts that are hazardous to health! Hazardous material that has been vacuumed up can
escape if a filter element is not used.
▶ Use the vacuum cleaner only with a filter element installed.
When the appliance is used to vacuum up drilling slurry and solid materials, there is a possibility of
the filter element being damaged. Take note of changes in suction power when vacuuming up these
substances.
1. Check the container level monitoring system. → page 27
2. If possible, use a separate filter element for wet applications.
6.4 After vacuuming up liquids
1. Open the 2 catches.
2. Lift the suction head off the waste material container and place the suction head on a level surface.
▶ Allow the filter element to dry.
3. Empty the waste material container and use a water hose to wash out the waste material container.
4. Check the container level monitoring system. → page 27
5. Clean the dry filter element by wiping it with your hand.
6. Check the filter element for damage.
▶ Replace a damaged filter element.
6.5 After use of the vacuum cleaner
1. Turn the control switch to the OFF position.
2. Empty the container and clean the vacuum cleaner with a damp cloth.
3. Store the vacuum cleaner in a secure, dry place where it is inaccessible to unauthorized users.
▶ CAUTION This vacuum cleaner may be stored only indoors.
7 Care and maintenance
7.1 Instructions for care of vacuum cleaners
WARNING
Electric shock hazard! Improper repairs to electrical parts can lead to serious injuries due to electric shock.
▶ Electrical parts may be repaired only by trained electrical specialists.
• Carefully remove stubborn dirt.
• Use only a slightly damp cloth to clean the housing. Do not use cleaning agents containing silicone as
these can attack the plastic parts.
• Use a dry, clean cloth to clean the contacts of the product.
• Keep the vacuum cleaner, especially its gripping surfaces, clean and free from oil and grease. Do not
use cleaning agents containing silicone.
• Never operate the vacuum cleaner when the air vents are blocked! Clean the air vents carefully using a
dry brush. Prevent foreign matter from penetrating inside the turbine aperture.
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