Kärcher BD 70/75 W Classic Bp Manuel D'utilisation page 21

3. Remove the bearing cover including the squeegee blade.
4. Pull out the roller brush.
5. Fit the new roller brush and centre it on the driver.
6. Install the bearing cover with the squeegee blade.
Note
Make sure the roller brush sits on the mounting mandrel and not
underneath.
7. Pivot the brush replacement handle upwards and latch it into
place.
8. Repeat the entire procedure at the other side.
DANGER
Risk of injury!
The device may start moving unexpectedly and cause injury.
Turn the key-operated switch to "0" and remove the key before
performing any work on the device.
Malfunction
The device cannot be started 1. Turn the key-operated switch to "1".
The water volume is insuffi-
cient
The suction performance is
too low
The cleaning results are un-
satisfactory
The suction turbine runs at
an increased speed
The brushes do not rotate
The device vibrates during
cleaning
Troubleshooting guide
Rectification
2. Unlock the emergency stop button on the control panel by turning it. (Note: not all device versions
are equipped with an emergency stop button)
3. Actuate the safety switch.
4. Insert the battery plug.
5. Check the battery and charge if necessary.
6. Check that the battery terminals are correctly connected.
1. Check the fresh water filling level and fill the tank if necessary.
2. Increase the water volume at the water volume regulating knob.
3. Pull off the water distribution strip on the cleaning head and clean the water channel (BR variant
only).
4. Clean the fresh water filter.
5. Check the hoses for clogging and clean if necessary.
1. Shut down the device and drain the waste water.
2. Clean the seals between the waste water tank and the cover, check for leaks and replace if neces-
sary.
3. Check that the suction hose is correctly connected to the waste water tank.
4. Check the fluff filter for soiling and clean if necessary.
5. Clean the suction lips at the suction bar, turn over or replace if necessary.
6. Check that the cap on the waste water drain hose is closed.
7. Check the adjustment of the suction bar.
8. Check the suction hose for clogging and clean if necessary. The white marking on the hose must
lie at the retaining clip when the suction hose is re-inserted.
9. Check the suction hose for leaks and replace if necessary.
1. Reduce the driving speed.
2. Check the brushes for wear and replace if necessary.
3. Check the suitability of the brush type and detergent used.
1. Drain the waste water.
2. Clean the float.
3. Check the fluff filter and clean if necessary.
4. Check the suction hose for clogging and clean if necessary.
5. Check the suction bar for clogging and remove any clogging if necessary
1. Check if the brushes are blocked by a foreign body and remove the foreign body if necessary.
1. Use a softer brush.
Cleaning the water distribution strip
Illustration X
Water distribution strip
1
Unlocking button
2
1. Press lock in the direction of the arrow and hold it there.
2. Pivot water distribution strip forward.
3. Pull out water distribution strip lengthways.
4. Clean the water distribution strip.
5. Fit water distribution strip back into the cleaning head and
snap the lock into place.
Pull out the charger mains plug.
 Drain and dispose of the waste water and fresh water.
 Contact Customer Service in the case of malfunctions that
cannot be corrected using this table.
English 21