9
en
9.2 Changing the filter
-CAUTION-
Never use the appliance without a filter!
9.2.1 Opening the appliance
1. Unplug the supply cord form the mains socket.
2. Open the two latches.
3. Lift the top section off the waste material container.
9.2.2 Removing the filter
1. Release the securing clip.
2. Lift off the cover.
3. Remove the filter.
9.2.3 Fitting the filter
1. Fit the new filter.
2. Place the cover on the filter.
3. Secure the filter and the cover with the clip.
9.2.4 Closing the appliance
1. Lift the top section of the appliance onto the waste
material container.
2. Close the two latches.
3. Plug the supply cord into the mains socket.
9.3 Caring for the appliance
1. Never operate the appliance if the ventilation slots are
blocked! Clean the ventilation slots carefully using a
dry brush.
2. Use a cloth to clean the outside of the appliance at
regular intervals. Do not use a spray or steam clean-
ing system or running water for cleaning. This may
negatively affect the electrical safety of the appliance.
3. Always keep the grips on the appliance free from oil
and grease.
4. Do not use cleaning agents containing silicone.
9.4 Maintenance
- NOTE -
– Check all external parts of the appliance for damage
at regular intervals and ensure that all operating con-
trols function faultlessly. Do not operate the appliance
when parts are found to be damaged or if the operat-
ing controls do not function faultlessly. Have the appli-
ance repaired at a Hilti Service Center if necessary.
-CAUTION-
– The electrical section of the appliance my be repaired
only by trained electrical specialists.
– Use only original Hilti accessories and spare parts.
Use of other parts may negatively affect safety of the
appliance.
– Do not modify the appliance in any way. This could put
present a safety risk.
9.5 Checking after cleaning and maintenance
After cleaning and maintenance, check that all parts of
the appliance have been fitted and that they function cor-
rectly.
Fault
Possible cause
Remedy
Drop in suction
Waste disposal bag is full.
Replace the waste disposal bag
performance
(see section 8.9).
Filter is heavily soiled.
Complete cleaning necessary
(see section 9.1). Change the filter if neces-
sary (see section 9.2).
Hose or vacuum enclosure of the
Clean the hose and vacuum enclosure.
appliance is blocked.
Suction power set too low.
Increase the suction power
(see section 8.5).
Seal at the edge of the appliance
Clean or replace the seal.
top section and the waste material
container is dirty or defective.
Hole in the hose.
Fit a new hose.
Dust is blown out of the
Filter not fitted correctly.
Fit the filter correctly.
appliance
Filter retaining disc is not fitted.
Fit the filter retaining disc correctly.
Filter is damaged.
Fit a new filter.
The appliance switches on Electrostatic charge is not being
Connect the appliance to an
and off unexpectedly or
dissipated: The appliance is not
earthed/grounded socket.
static electric discharges
connected to an earthed/grounded
are felt by the user
socket.
The motor stops running
Fuse for the mains socket has been
Reset or replace the fuse. If it trips again,
tripped.
find the cause of the high current.
10. Troubleshooting
Printed: 07.07.2013 | Doc-Nr: PUB / 5071299 / 000 / 00