Picking Up Liquids; Audible Signal (Vc 20-Um/ Vc 40-Um); After Finishing Work; Emptying The Waste Material Container - Hilti VC 20-UM Bedienungsanleitung

CAUTION
The material collected must be disposed of in accord-
ance with the applicable regulations.
1. Disconnect the supply cord plug from the power
outlet.
2. Open the two catches.
3. Lift the vacuum cleaner top section away from the
en
waste material container.
4. Carefully remove the paper dust bag collar from the
adapter and remove the filter fleece.
5. Close the slider at the dust bag collar (place the
cover over the filter fleece).
6. Clean the waste material container with a cloth.
7. Fit a new dust bag / filter fleece in the waste material
container.
8. Fit the vacuum cleaner top section onto the waste
material container.
9. Close the two catches.
7.4.2 Changing the plastic dust bag 4
CAUTION
The material collected must be disposed of in accord-
ance with the applicable regulations.
1. Disconnect the supply cord plug from the power
outlet.
2. Open the two catches.
3. Lift the vacuum cleaner top section away from the
waste material container.
4. Use a cable tie to close the plastic dust bag below
the punched holes.
5. Remove the plastic dust bag.
6. Clean the waste material container with a cloth.
7. Fit a new plastic dust bag (see instructions printed
on it) in the waste material container.
8. Fit the vacuum cleaner top section onto the waste
material container.
9. Close the two catches.

7.5 Picking up liquids

CAUTION
Never use the appliance without a filter element.
7.5.1 Before picking up liquids
1. Remove the dust bag from the waste material con-
tainer.
2. Check to ensure that the electrodes of the level
monitoring system are clean. Clean them with a
brush if necessary.
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.
26
Printed: 07.06.2017 | Doc-Nr: PUB / 5071292 / 000 / 09 Printed: 07.06.2017 | Doc-Nr: PUB / 5071292 / 000 / 08
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.
7. Store the appliance in a secure, dry place where it
is inaccessible to unauthorized users.

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
container
7.8.1.1 Before emptying the waste material
container, proceed as follows:
1. Disconnect the supply cord plug from the power
outlet.
2. Lift the vacuum cleaner top section away from the
waste material container and place it on a level
surface.
7.8.1.2 After emptying the waste material
container, proceed as follows:
CAUTION
When fitting the top section of the vacuum cleaner,
take care to avoid pinching your fingers or damaging
the supply cord.