Hilti VC 20-U-Y Manual De Instrucciones página 40

• Use only a slightly damp cloth to clean the casing. Do not use cleaning agents containing silicone as
these can attack the plastic parts.
Care of the Li­ion battery
• Keep the battery free from oil and grease.
• Use only a slightly damp cloth to clean the casing. Do not use cleaning agents containing silicone as
these can attack the plastic parts.
• Avoid ingress of moisture.
VC 20-UM-Y
VC 40-UM-Y
Maintenance
The appliance must be handled for cleaning and maintenance in a way that avoids exposing maintenance
personnel and other persons to any hazards.
▶ Use filtered forced ventilation.
▶ 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.
Maintenance
• Check all visible parts and controls for signs of damage at regular intervals and make sure that they all
function correctly.
• Do not operate the cordless tool if signs of damage are found or if parts malfunction. Have the tool
repaired by Hilti Service immediately.
• After cleaning and maintenance, fit all guards or protective devices and check that they function correctly.
To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare
parts, consumables and accessories approved by Hilti for use with the product can be found at your
local Hilti Center or online at: www.hilti.com
7.1 Automatic 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.
▶ Replace the filter element at least every six months.
▶ However, if used intensively, the filter element should be replaced more often.
7.2 Removing the filter element
1. Unplug the vacuum cleaner's supply cord from the power outlet and remove installed batteries.
2. Open the filter cover catches.
3. Open the battery compartment cover clip.
4. Remove any batteries from the battery compartment.
5. Use a screwdriver to unscrew the two filter cover retaining screws (turn the screws counterclockwise).
6. Lift the filter cover by the centrally-positioned grip until it engages in place.
7. Carefully remove the filter element and dispose of it in accordance with the applicable regulations.
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