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Permanently installed filters may only be
replaced by an expert in a suitable area,
e.g. a decontamination station.
1. Secure the device with the parking
brakes.
2. Switch off the device at the power
switches.
3. Pull out the mains plug.
4. Unlock and remove the suction head.
5. Unlock and remove the spacer.
6. Remove the main filter.
7. Check the sealing ring for damage.
8. Remove any dirt deposits from the clean
air side.
9. Fit the new main filter in reverse order.
Make sure that the filter hold-down de-
vice is centred in the filter pockets.
10.Fit and lock the spacer.
11.Fit and lock the suction head.
Replacing the H filter
1. Secure the device with the parking
brakes.
2. Switch off the device at the power
switches.
3. Pull out the mains plug.
Illustration G
4. Unlock and remove the suction head.
5. Unscrew the hexagon screw anticlock-
wise using a suitable tool.
6. Remove the seals and the filter from the
suction head.
7. Remove any dirt deposits from the clean
air side.
8. Fit the new H filter in the reverse order.
Make sure that the seals are correctly
seated.
9. Apply a suitable agent (e.g. Loctite 243)
to the thread of the hexagon screw to
prevent unintentional loosening.
10.Tighten the hexagon screw clockwise.
11.Fit and lock the suction head.
Replace dust bag
1. Secure the device with the parking
brakes.
Illustration B
2. Pull the bow handle up.
The dirt receptacle is unlocked and low-
ered.
20
Illustration C
3. Pull the dirt receptacle out of the device
by the bow handle.
Illustration E
4. Turn up the dust bag.
5. Seal the dust bag tightly with the cable
tie.
6. Remove the dust bag.
7. Dispose of the dust bag in accordance
with statutory regulations.
Illustration D
8. Insert the new dust bag in the dirt recep-
tacle and carefully place it against the
container wall and the container floor.
9. Fold the edge of the dust bag over the
edge of the dirt receptacle to the outside.
WARNING
Improper handling when locking the dirt
receptacle
Risk of crushing
Under no circumstances should you hold
your hands between the dirt receptacle and
filter ring or allow them to come close to the
lifting mechanism while locking it.
Lock the dirt receptacle by operating the
bow handle with both hands.
10.Fit the dirt receptacle and lock it with the
bow handle.
Troubleshooting guide
DANGER
Unintentional start-up of the device /
electric shock
Unintentional start-up of the suction motor
can cause injuries. Voltage present on
electrical parts can cause an electric shock.
Switch off the device and unplug the mains
plug before performing any work on the de-
vice.
Have all checks and work on electrical
parts performed by an qualified technician.
Note
The device must be switched off immedi-
ately in the event of a malfunction. The mal-
function must be eliminated before
switching the device on again.
If the malfunction cannot be corrected, the
device must be checked by the Customer
Service department.
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