After Finishing Work; Care And Maintenance - Hilti VC 40 Mode D'emploi

7.5.2 When picking up liquids
If possible, use a separate filter element for wet applica-
tions.
NOTE
If possible, use a Hilti PES filter element.
If foaming occurs, switch the appliance off immediately
and empty the container.
en
The appliance switches itself off automatically when the
liquid in the container reaches the maximum level.
7.5.3 After picking up liquids 5
1. Open the two catches.
2. Lift the vacuum cleaner top section away from the
waste material container.
3. Empty the container and clean it out by hosing it
down with water, clean the electrodes with a brush
and clean the filter element by wiping it with the
hand after first allowing it to dry.
4. Leave the vacuum cleaner top section and the con-
tainer standing separately so that the container can
dry.
7.6 Audible signal (VC 20‑UM/ VC 40‑UM)
For safety reasons, an audible warning signal is emitted
when the air speed in the hose drops below 20 m/s.
Please refer to the "Troubleshooting" section for possible
causes of this problem.

7.7 After finishing work

1. Switch off the electric tool.
2. Turn the control switch to the "OFF" position.
3. Disconnect the supply cord plug from the power
outlet.
4. Coil up the supply cord and hang it on the hook.
5. Empty the container and clean the appliance by
wiping it with a damp cloth.
6. Coil up the suction hose.

8 Care and maintenance

CAUTION
For vacuum cleaners of the class M, please note: CAU-
TION: This appliance contains harmful dust. The va-
cuum cleaner may be emptied (including disposal of
the dust container) or serviced only by trained per-
sons wearing the appropriate protective equipment.
Do not operate the appliance if the filter system is
incomplete.
8.1 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.
26
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7.
7.8 Emptying the waste material container
CAUTION
To avoid injury, remove the power conditioner and any
loose accessories from their attachment points be-
fore emptying the container and before transporting
the vacuum cleaner.
7.8.1 Emptying dry dust from the waste material
7.8.1.1 Before emptying the waste material
1.
2.
7.8.1.2 After emptying the waste material
CAUTION
When fitting the top section of the vacuum cleaner,
take care to avoid pinching your fingers or damaging
the supply cord.
Fit the vacuum cleaner top section onto the waste ma-
terial container and close the two catches.
7.8.2 Emptying the waste material container when
NOTE
The material collected must be disposed of in accordance
with the applicable regulations.
1.
2.
NOTE
Do not use compressed air to clean the filter 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 months and more
frequently if the appliance is subject to heavy use.
The appliance is equipped with a filter cleaning system
which removes most of the dust adhering to the filter
element.
The filter element is cleaned automatically by a blast of
air (a pulsating noise is heard).
Store the appliance in a secure, dry place where it
is inaccessible to unauthorized users.
container
container, proceed as follows:
Disconnect the supply cord plug from the power
outlet.
Lift the vacuum cleaner top section away from the
waste material container and place it on a level
surface.
container, proceed as follows:
no dust bag is fitted (collecting liquids)
Hold the container by the grip areas provided and
tip it over to empty out its contents.
Clean the edge of the waste material container with
a damp cloth.