ORIGINAL OPERATING INSTRUCTIONS VC 20‑U/ VC 20‑UM/ VC 40‑U/ VC 40‑UM wet / dry vacuum cleaner 1 These numbers refer to the illustrations. You can It is essential that the operating instructions find the illustrations at the beginning of the operating are read before the appliance is operated for instructions.
The appliance is suitable for collecting the slurry created by wet drilling or wet cutting operations on mineral materials using Hilti diamond coring or Hilti diamond sawing equipment and for collecting large quantities of dry mineral dust when working with Hilti diamond grinders and cutters, rotary hammers and dry cutting core bits.
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Observe the information printed in the operating instructions concerning operation, care and maintenance. To avoid the risk of injury, use only genuine Hilti tools and accessories. The appliance and its ancillary equipment may present hazards when used incorrectly by untrained personnel or when used not as directed.
With the VC 20‑UM and the VC 40‑UM, use of one of the following accessories is mandatory: plastic dust bag, paper dust bag or filter fleece. 3 Accessories Spare parts, tools and accessories are available through Hilti sales channels. Designation Item number, description...
Appliance VC 20‑U/ VC 20‑UM VC 40‑U/ VC 40‑UM Air temperature -10…+40°C -10…+40°C Automatic filter cleaning approx. 15 s 15 s every Information about the appliance and its applications Protection class Protection class I Protection class IP X4 protection against sprayed water Noise and vibration information (measured in accordance with EN 60335-2-69): Typical A-weighted emission sound pressure level 71 dB (A)
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Check the appliance’s supply cord at regular in- ensure that the filter is undamaged. tervals and have it replaced at a Hilti service k) Have your appliance serviced by a qualified repair center if damage is found. Check extension cords person using only identical replacement parts.
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Damaged or faulty switches must be replaced at b) A vacuum cleaner of the dust class M is suitable for a Hilti service center. Do not use the appliance if picking up dry, non-flammable dusts, wood chips or it cannot be switched on and/or off correctly.
6 Before use 6.2.1 Fitting a paper dust bag for picking up wood chips or shavings 3 Open the two catches. Lift the vacuum cleaner top section away from the waste material container. CAUTION Place the new paper dust bag in the waste material The mains voltage must comply with the specification container.
7.1 Hose diameter setting (VC 20‑UM/ VC 40‑UM) that the correct dust bag (Hilti accessory) is fitted in the When picking up dry, non flammable dust which has an container. The material collected can then be disposed exposure limit value, or when picking up wood chips or of cleanly and easily.
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CAUTION NOTE When fitting the top section of the vacuum cleaner, If possible, use a Hilti PES filter element. take care to avoid pinching your fingers or damaging the supply cord. If foaming occurs, switch the appliance off immediately...
7.8.2 Emptying the waste material container when Fit the vacuum cleaner top section onto the waste ma- terial container and close the two catches. no dust bag is fitted (collecting liquids) NOTE The material collected must be disposed of in accordance with the applicable regulations.
Most of the materials from which Hilti power tools or appliances are manufactured can be recycled. The materials must be correctly separated before they can be recycled. In many countries, Hilti has already made arrangements for taking back your old power tools or appliances for recycling. Ask Hilti customer service or your Hilti representative for further information.
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