Possible Misuse; Automatic Filter Cleaning - Hilti VC 20 Mode D'emploi

▶ Do not pick up objects or materials that could cause injury by piercing through the dust bag (e.g. pointed
or sharp objects).
▶ Do not stand on the product (do not use it as a substitute for a ladder).
This product is suitable for the following applications in commercial use:
• Collecting large quantities of dust from Hilti diamond grinders, diamond cutters, rotary hammers and
core drilling machines using dry-cutting core bits.
• Picking up drilling slurry (mineral materials) from Hilti diamond core bits or Hilti diamond saws and liquids
up to a temperature of < 60 °C (140 °F).
• Picking up oil or liquid substances with a temperature of up to < 60 °C (140 °F).
• Wet and/or dry cleaning of wall and floor surfaces.
Additionally applicable to UL vacuum cleaners
Picking up dry, non-flammable dusts, liquids, wood chips and hazardous dusts with an exposure limit value
of > 1 mg/m³ (Dust Class L).
Additionally applicable to UM and UME vacuum cleaners
Picking up dry, non-flammable dusts, liquids, wood chips and hazardous dusts with an exposure limit value
of ≧ 0.1 mg/m³ (Dust Class M).
Additionally applicable to UL, UM and UME vacuum cleaners
With vacuum cleaners it is necessary to make provision for an adequate rate of air exchange (L) in the room
in situations where the expelled air is returned to the room. Please observe national regulations.
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 the health (e.g. asbestos) is not permissible.
3.4 Items supplied
Wet/dry vacuum cleaner including filter element, suction hose complete with rotatable connector (at the
vacuum cleaner end) and connector for accessories, PE VC 20/40 plastic dust bag, operating instructions.
3.5 Warning tone
UM and UME vacuum cleaners emit an audible warning tone. This warning tone is emitted when the air
speed in the hose drops below 20 m/s.
In order to ensure that the warning tone is emitted correctly, the hose diameter setting must be set to the
diameter of the suction hose in use.
3.6

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).
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.
6 English
Printed: 29.08.2018 | Doc-Nr: PUB / 5370919 / 000 / 01
Meaning
• The filter cleaning system is active.
• The filter cleaning system is not active.
2190555
*2190555*