Hilti VC 20-U-Y Mode D'emploi page 26

Do not stand on the appliance (do not use as a substitute for a ladder).
Do not use the appliance for continuous, stationary operation in automatic or semi-automatic systems.
The operating personnel must be instructed on how to use the appliance prior to beginning work, they must be
informed of any hazards associated with the materials to be picked up and they must be familiar with the correct
procedures for safe disposal of these materials.
Underwater use is not permissible.
Use of the appliance to clean down persons or animals is not permissible.
Use an antistatic suction hose in order to avoid electrostatic effects.
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This appliance is suitable for commercial use, e.g. in hotels, schools, hospitals, factories, shops, offices and by rental
companies.
Working on materials hazardous to the health (e.g. asbestos) is not permissible.
The working environment may be as follows: construction site, workshop, renovation, conversion or new construction.
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.
Modification of the appliance or tampering with its parts is not permissible.
Observe the safety rules and operating instructions for the accessories used.
To avoid hazards, use only the approved batteries and chargers.
Do not use the battery as a power source for other unspecified appliances.
2.2 Hose diameter settings (only VC 20‑UM‑Y/ VC 40‑UM‑Y)
In order to ensure that the M-function warning signal tone threshold is configured correctly, the hose diameter setting
must correspond to the hose diameter used.
2.3 The items supplied as standard include:
1 Appliance with filter element
1 Suction hose complete with hose connector
(electrically conductive), hose sleeve and
tapered adapter
1 PE VC 20 plastic dust bag
1 Operating instructions
2.4 Using extension cords
Use only extension cords of a type approved for the application and with conductors of adequate gauge. The appliance
may otherwise lose performance and the extension cord may overheat. Check the extension cord for damage at
regular intervals. Replace damaged extension cords.
Recommended minimum conductor cross section and max. cord length for operating the appliance in
conjunction with an electric tool plugged into the built-in power outlet:
Conductor cross section
Mains voltage 220-240 V
Use only extension cords equipped with an earth conductor.
Do not use extension cords with a conductor cross section of less than 1.5 mm².
2.5 Using extension cords outdoors
When working outdoors, use only extension cords that are approved and correspondingly marked for this application.
2.6 Using a generator or transformer
This appliance may be powered by a generator or transformer when the following conditions are fulfilled: The unit
must provide a power output in watts of at least twice the maximum value printed on the type identification plate on
the power tool or appliance. The operating voltage must remain within +5% and -15% of the rated voltage at all times,
frequency must be in the 50 – 60 Hz range and never above 65 Hz, and the unit must be equipped with automatic
voltage regulation and starting boost.
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Printed: 28.03.2019 | Doc-Nr: PUB / 5140202 / 000 / 04
1.5 mm²
20 m
2.5 mm²
40 m
3.5 mm²
50 m