Picking Up Dry Dust - Hilti VC 20-U-Y Manual De Instrucciones

7.1 Mains-powered operation
1. Plug the supply cord into the power outlet.
2. Turn the control switch to the "ON" posi-
tion.
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" posi-
tion.
3. Charge status is indicated by the LED dis-
play 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 instruc-
tions for the power tool plugged into the power
outlet on the vacuum cleaner must be ob-
served.
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" po-
sition.
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 ma-
terial collected can then be disposed of cleanly
and easily.
CAUTION
The material collected must be disposed of
in accordance with the applicable regula-
tions.
CAUTION
Never use the appliance without a filter ele-
ment.
CAUTION
When fitting the top section of the vacuum
cleaner, take care to avoid pinching your
fingers or damaging the supply cord.
7.5.1 Automatic filter element cleaning
NOTE
Do not attempt to clean the filter element by
knocking it against a hard object and do not
use pointed instruments. This will reduce the
life of the filter element.
NOTE
Do not use compressed air to clean the fil-
ter element. This may cause tears in the filter
material.
NOTE
The condition of the filter will deteriorate with
use. It should be replaced at least every 6
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