2. Power dedusting (for particularly severe contamina-
tion of the main filter element): Set the turn switch to
program 2, seal the suction pipe or bender with your
hand and wait for the automatic filter cleaning to fin-
ish (lasts 15 seconds).
Illustration M
Switching off the device
1. Switch off the device at the turn switch.
2. Pull out the mains plug.
Each time after use
1. Empty the container.
2. Vacuum off the inside and outside of the device and
clean with a moist cloth.
Folding the push handle in/out
NT 50/1 only:
1. Release the push handle lock and adjust the push
handle.
Storing the device
1. Store the suction hose and mains cable as shown in
the illustration.
Illustration N
2. Store the device in a dry room and secure it against
unauthorised use.
Transport
CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during transporta-
tion.
1. Close the suction connection, see wet vacuum
cleaning.
2. Remove the suction hose with floor nozzle from the
support. Carry the device by the carrying handle and
the suction pipe, not by the push handle.
3. When transporting the device in vehicles, secure it
to prevent it from slipping or overturning in accord-
ance with the respective valid guidelines.
Storage
CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during storage.
The device may only be operated indoors.
Care and service
DANGER
Danger of electric shock
Injuries due to touching live parts
Switch off the device.
Remove the mains plug.
Dust extraction machines are safety devices for the pre-
vention or elimination of hazards according to the Ger-
man BGV A1.
ATTENTION
Care agents containing silicone
These can attach plastic components.
Do not use care agents containing silicone for cleaning.
You can perform basic maintenance and care work
yourself.
Clean the surface of the device and the interior of
the container regularly with a moist cloth.
16
Main filter element
Replacing the flat fold filter
1. Open the filter cover.
2. Remove the filter frame.
Illustration O
3. Remove the flat fold filter.
4. Dispose of the used flat fold filter in accordance with
statutory regulations.
5. Remove any dirt deposits from the clean air side.
6. Clean the filter frame and the supporting surface of
the filter frame with a damp cloth.
7. Fit the new flat fold filter. During insertion, ensure
that the flat fold filter is flush on all sides.
8. Insert the filter frame.
9. Close the filter cover until it audibly latches into
place.
Change the candle filter
1. Open the filter cover.
2. Take out the candle filter (special accessories).
Illustration P
3. Dispose of the used candle filter (special accesso-
ries) in accordance with statutory regulations.
4. Remove any dirt deposits from the clean air side.
5. Clean the candle filter frame with a damp cloth.
6. Insert the new candle filter (special accessories).
7. Close the filter cover until it audibly latches into
place.
Changing the fleece filter bag
1. Close the suction connection, see wet vacuum
cleaning.
Illustration F
2. Unlock and remove the suction head.
3. Pull the fleece filter bag on the flange up and out.
Illustration G
4. Seal the fleece filter bag with cap.
5. Dispose of the used fleece filter bag in accordance
with statutory regulations.
6. Fit the new fleece filter bag.
7. Fit and lock the suction head.
Changing the dust bag
1. Close the suction connection, see wet vacuum
cleaning.
Illustration F
2. Unlock and remove the suction head.
3. Fold up the dust bag.
Illustration H
4. Take off the protective film and close the ventilation
hole with a self-adhesive tab.
5. Seal the dust bag tightly underneath the opening us-
ing cable ties.
6. Remove the dust bag.
7. Clean the container inside with a moist cloth.
8. Dispose of the dust bag in accordance with statutory
regulations.
9. Fit the new dust bag.
10. Pull the dust bag over the container. Ensure that the
marking line is within the container and the ventila-
tion hole is positioned on the back wall of the con-
tainer.
11. Fit and lock the suction head.
English