5. Fit the vacuum cleaner top section onto
the waste material container.
6. Close the two catches.
7. Check to ensure that the vacuum cleaner
top section is fitted correctly and secured.
8. Connect the suction hose to the appliance.
6.3 Transport
DANGER
The appliance may be moved or transported
only when the motor has come to a complete
stop.
7 Operation
CAUTION
Always check to ensure that the vacuum
cleaner is standing securely. Engage the
castor brakes.
WARNING
In an emergency (e.g. burst filter), switch the
appliance off, disconnect it from the electric
supply and have it checked by a trained
specialist before further use.
7.1 Switching on
1. Plug the supply cord into the power outlet.
2. Check to ensure that the vacuum cleaner
is standing securely and engage the castor
brakes.
3. Press the on / off switch.
7.2 Cleaning the filter 3
The appliance is equipped with a filter clean-
ing system which removes most of the dust
adhering to the fluted filter.
1. Plug the supply cord into the power outlet.
2. Check to ensure that the filter cleaning
system is activated (slider in the lower po-
sition).
3. Press the on / off switch.
4. Cover the end of the hose or the suction
nozzle with the palm of the hand for approx.
5-10 seconds.
The fluted filter will then be cleaned auto-
matically by a blast of air (a pulsating noise
is heard).
Do not carry the appliance when it is full of
waste material.
Empty the appliance before carrying it to an-
other location.
Do not tip the appliance or lay it on its side for
transport after using it to collect water.
7.3 Deactivating the filter cleaning system
Check to ensure that the filter cleaning sys-
tem is deactivated (slider in the upper position)
when the appliance is used with the narrow
nozzle or when used mainly to collect water.
7.4 Picking up dry dust
NOTE
Before using the appliance to pick up dry dust,
especially dust from mineral materials, always
check to ensure that a dust bag / disposal
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 accordance with the applicable regula-
tions.
NOTE
A fluted filter should always be fitted when the
appliance is used to pick up dry dust.
Care should be taken to ensure that the fluted
filter is not damp from previous use with liquids
or wet materials. A damp fluted filter will quickly
become clogged when dry dust is picked up
with the appliance. Accordingly, before being
used for picking up dry dust, the fluted filter
should be rinsed and allowed to dry or replaced
with another dry fluted filter.
en
25