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Empty the appliance before carrying it to another location.
Do not tip the appliance or lay it on its side for transport
after using it to collect water.
The tapered adapter can be used to connect both ends
of the hose together for transport.
7 Operation
WARNING
For vacuum cleaners of the class M, please note:
Va-
cuum off the outer surfaces of the appliance, wipe
it clean or seal it in a suitable container or mater-
ial before removing it from an area contaminated
with hazardous substances. All parts of the appliance
must be regarded as being contaminated when they
are removed from the hazardous area and suitable
measures must be taken to avoid spreading dust.
CAUTION
For vacuum cleaners of the class M, please note:
CAU-
TION: Always use a suitable dust bag. This appliance
contains harmful dust. Emptying or maintenance pro-
cedures, including disposal of the dust bag and its
contents, may be carried out only by correspondingly
trained specialists wearing the appropriate protective
equipment (respiratory protection of the class P2 or
higher and disposable clothing). Do not operate the
appliance if the filter system is incomplete.
CAUTION
Always check to ensure that the vacuum cleaner is
standing securely. Engage the castor brakes.
7.1 Mains-powered operation
1. Plug the supply cord into the power outlet.
2. Turn the control switch to the “ON” position.
7.2 Battery-powered operation
NOTE
The appliance may be powered by either one or two 36V
batteries. With one battery, running time will be reduced
by half.
NOTE
In battery-powered mode, the built-in electric supply
socket for power tools cannot be used.
1. Insert at least one Hilti 36V 6.0Ah Li‑ion battery in a
battery compartment.
2. Turn the control switch to the “ON” position.
3. Charge status is indicated by the LED display on the
appliance during operation.
7.3 Hose diameter setting
(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.
7.4 Using the electric tool power outlet on the
appliance (applies only to mains-powered
operation)
DANGER
The power outlet is to be used only to connect electric
tools directly to the vacuum cleaner.
NOTE
Check that the power tool is switched off before plugging
it into the power outlet on the vacuum cleaner.
NOTE
The operating instructions and safety instructions for the
power tool plugged into the power outlet on the vacuum
cleaner must be observed.
NOTE
Check to ensure that the maximum power drawn by the
power tool is below the maximum permissible output of
the power outlet on the vacuum cleaner (please refer to
the “Technical data” section of the operating instructions
and information printed on the power outlet).
1. Plug the vacuum cleaner’s supply cord into the
power outlet.
2. Turn the control switch to the “AUTO” position.
3. Switch on the power tool. The vacuum cleaner starts
automatically.
NOTE
The vacuum cleaner will continue to run for a
short time after switching off the power tool in order
to ensure that all dust is removed from the suction
hose.
7.5 Picking up dry dust
NOTE
Before using the appliance to pick up dry dust, especially
dust from mineral materials, always check to ensure
that the correct dust bag (Hilti accessory) is fitted in the
container. The material collected can then be disposed
of cleanly and easily.
CAUTION
The material collected must be disposed of in accord-
ance with the applicable regulations.
CAUTION
Never use the appliance without a filter element.
en
30
Printed: 24.03.2014 | Doc-Nr: PUB / 5140202 / 000 / 03
Printed: 28.03.2019 | Doc-Nr: PUB / 5140202 / 000 / 04