Possible Misuse; Items Supplied; Hose Diameter Setting; Warning Tone - Hilti VC 20-U Manual De Instrucciones

WARNING
Health hazards The VC 20-U and VC 40-U models are not suitable for picking up dust which is
hazardous to health.
▶ Do not use the VC 20-U or VC 40-U models to pick up dust which is hazardous to health.

3.3 Possible misuse

• Do not operate the industrial vacuum cleaner when it is laid on its side.
• Do not use the industrial vacuum cleaner to pick up substances that present a risk of explosion,
glowing, burning or flammable substances or aggressive dusts (e.g. magnesium or aluminum dust, etc.)
(exception: wood chips or shavings).
• Do not use the industrial vacuum cleaner to pick up flammable liquids (e.g. gasoline, solvents, coolants
and lubricants, etc.).
• Working with materials hazardous to health (e.g. asbestos) is not permissible.

3.4 Items supplied

Wet/dry vacuum cleaner including filter element, suction hose complete with rotary connector (at the vacuum
cleaner end) and accessory nozzle connector, PE VC 20/40 plastic dust bag, operating instructions.
Note
To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare
parts, consumables and accessories approved by us for use with the product can be found at your
local Hilti Center or online at: www.hilti.com

3.5 Hose diameter setting

VC 20-UM
VC 20-UME
VC 40-UM
VC 40-UME
In order to ensure that the warning tone is triggered correctly, the hose diameter setting must be set correctly
to the diameter of the suction hose used.

3.6 Warning tone

VC 20-UM
VC 20-UME
VC 40-UM
VC 40-UME
An warning tone is emitted if the air speed in the suction hose drops below 20 m/s.

3.7 Automatic filter cleaning

The vacuum cleaner is equipped with an automatic filter cleaning system that removes most of the dust
adhering to the filter element.
The filter cleaning system can be switched off by pressing the "Automatic filter cleaning ON/OFF" button
and switched back on by pressing the button again.
Status
LED lights.
LED doesn't light.
The filter cleaning system is activated automatically each time the vacuum cleaner is switched on.
The filter element is cleaned automatically by a blast of air (a pulsating noise is heard).
Note
In order to achieve continuously high suction performance in system applications (especially grinding
and sanding, cutting and slitting) or when picking up large quantities of dust, the filter cleaning system
must be active.
The filter cleaning system functions only when a suction hose is connected.
Printed: 15.02.2016 | Doc-Nr: PUB / 5267661 / 000 / 00
Meaning
• The filter cleaning system is active.
• The filter cleaning system is not active.
23