Hilti VC 40 Mode D'emploi page 22

Use of the appliance to clean down persons or animals is not permissible.
Use an antistatic suction hose in order to avoid electrostatic effects.
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.
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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.
2.2 Hose diameter settings (VC 20‑UM/ VC 40‑UM)
Hose diameter
∅ 21 mm
∅ 27 mm
∅ 36 mm
2.3 The items supplied as standard include:
1 Appliance with filter element
1 Suction hose complete with hose connector,
hose sleeve and tapered adapter
1 PE VC 20 plastic dust bag
1 Paper dust bag VC 40
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 VC 20/40 in
conjunction with an electric tool plugged into the built-in power outlet:
Conductor cross section
Mains voltage 110V
Mains voltage 220-240 V
Recommended minimum cross section and max. cord length for the VC 20/40:
Conductor cross section
Mains voltage 100V
Mains voltage 110V
Use only extension cords equipped with an earth conductor.
Do not use extension cords with 1.25 mm² or 2 mm² conductor cross sections.
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,
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1.5 mm²
Not recommended
30 m
1.5 mm²
Not recommended
30 m
Hose diameter setting
∅ 21
∅ 27
∅ 36
2.5 mm² 3.5 mm²
25 m Not recommended
50 m Not recommended
2.5 mm² 3.5 mm²
75 m
Not recommended
50 m Not recommended