Draining the waste water
WARNING
Environmental pollution!
Environmental pollution due to improper disposal in
waste water.
Observe the local waste water treatment regulations.
1. Remove the drain hose from the support and lower
it over a suitable collecting device.
Illustration N
2. Squeeze or kink the drain hose at the intended
point.
3. Open the cover of the drain hose.
4. Drain the waste water. Regulate the water volume
by pressing or kinking.
5. Rinse the waste water tank with clear water.
Waste water tank flushing system
1. Remove the waste water drain hose from the holder
and lower it over a suitable collecting device.
2. Open the dosing unit cover at the drain hose.
3. Open the waste water tank cover.
4. Pull the flexible cap off the flushing system.
5. Connect the water hose to the flushing system.
Illustration O
Lock
1
Tank ventilation flap
2
Flushing system water connection
3
6. Close the waste water tank cover.
7. Open the water supply and flush the waste water
tank for about 30 seconds.
If necessary, repeat the flushing process 2 - 3 times.
8. Close the water supply and disconnect the hose
from the device.
9. Reattach the flexible cap to the water inlet of the
flushing system.
10. Close the cover of the waste water tank. Press the
tank ventilation flap in so that a gap remains open
and the waste water tank can dry.
11. Push the waste water drain hose into the holder and
closed the cover of the dosing device.
Draining fresh water at the cap
1. Open the fresh water tank cap.
2. Drain the fresh water.
3. Clean the filter.
4. Fit the fresh water tank cap.
Draining fresh water via the filling level indicator
1. Remove the filling level indicator hose from the hold-
er and pivot it down.
2. Reattach the hose.
Emptying the coarse dirt container
(R cleaning head only)
1. Lift the coarse dirt container and pull it out.
Illustration P
Coarse dirt container
1
2. Empty the coarse dirt container and clean it if nec-
essary.
3. Reinstall the coarse dirt container.
Parking the device
1. Turn the program switch to position "0".
2. Remove the Intelligent Key.
3. Press the raise/lower cleaning head lever down and
latch it towards the right.
4. Pivot the suction bar lowering lever upwards.
5. Secure the device against rolling away.
6. Close the cover of the waste water tank. Press the
tank ventilation flap in so that it engages in the
groove of the fresh water tank so that the waste wa-
ter tank can dry.
7. Charge the battery if necessary.
Transport
DANGER
Driving on slopes
Risk of injury
Observe the maximum permissible gradient when oper-
ating the device on slopes for loading and unloading
purposes (see chapter "Technical data").
Drive slowly.
CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during transport.
Only load the device with the dirt and fresh water tanks
empty.
Only load the device with the assistance of another per-
son or by using the drive.
1. Press the raise/lower cleaning head pedal down and
latch it towards the right.
2. Remove the brushes to avoid damage.
3. Remove the suction bar from the device.
4. When transporting in vehicles, secure the device
against slipping and tipping over using the transport
eyelets according to the respectively applicable
guidelines.
Illustration Q
Storage
CAUTION
Risk of injury or damage due to non-observance of
the weight
Be aware of the weight of the device during storage.
ATTENTION
Frost
Destruction of the device through freezing water
Drain all water from the device.
Store the device in a frost-free location.
● This device may only be stored indoors.
● Fully charge the batteries before storing them for a
long period.
● Fully charge the batteries at least every month dur-
ing storage.
Care and maintenance
DANGER
Inadvertently starting up device
Risk of injury
Turn the program switch to the "0" position.
Remove the Intelligent Key prior to all work on the device.
Pull out the charger mains plug.
Drain and dispose of the waste water and fresh water.
Safety inspection/maintenance contract
You can agree on regular safety inspections or close a
maintenance contract with your dealer. Please seek ad-
vice on this.
Maintenance intervals
Each time after use
ATTENTION
Risk of damage!
Risk of damage to the device due to improper cleaning.
Do not spray the device with water and do not use ag-
gressive detergents.
Drain the waste water.
Clean the waste water tank with the waste water
tank flushing system.
Remove the coarse dirt filter from the waste water
tank and clean it.
Check the turbine screen, remove it if necessary
and clean it.
Clean the exterior of the device using a damp cloth,
wetted with a mild washing lye.
Only with R cleaning head: Remove the coarse dirt
container and empty it.
Only with R cleaning head: Clean the water distribu-
tion strip.
Check the suction lips, check for wear and replace if
necessary.
Clean the squeegee blades on the cleaning head,
check for wear and replace if necessary.
Clean the brushes, check for wear and replace if
necessary.
Close the cover of the waste water tank. Press the
tank ventilation flap in so that a gap remains open
and the waste water tank can dry.
Charge the battery.
Lead-acid battery:
If the charging state of the battery is below 50%,
charge the battery fully and without interruption.
If the charging state of the battery is above 50%,
only recharge the battery if the entire operating
duration will be required when next used.
Li-Ion battery:
Recharge as necessary.
Monthly
Empty and flush the fresh water tank.
Clean the fresh water filter.
Clean the float.
For a temporarily shut-down device with lead-acid bat-
tery: Perform equalization charging of the battery.
Check battery poles for oxidation, brush off if necessary.
Make sure the connection cables are firmly in place.
Clean the seals between the waste water tank and
the cover, check for leaks and replace if necessary.
Only with R cleaning head: Clean the brush tunnel.
Only with R cleaning head: Pull the water distribu-
tion strip off the cleaning head and clean the water
channel.
Check the acid density of the cells if the lead batter-
ies are not maintenance-free.
For longer downtime periods, shut the device down
with fully charged batteries. Fully charge the battery
at least once a month.
English
Annually
Have the prescribed inspection performed by Cus-
tomer Service.
Maintenance work
Cleaning the coarse dirt filter
1. Open the waste water tank cover.
Illustration R
Coarse dirt filter
1
2. Pull the coarse dirt filter upwards and off.
3. Rinse off the coarse dirt filter under running water.
4. Reinsert the coarse dirt filter into the waste water tank.
Cleaning the water distribution strip
1. Push the locking lever to the left and simultaneously
pull the water distribution strip away from the clean-
ing head.
Illustration W
Water distribution strip
1
Locking lever
2
2. Remove the water distribution strip from the clean-
ing head.
3. Clean the water distribution strip.
4. Fit the left side of the strip into the cleaning head.
5. Pivot the water distribution strip towards the clean-
ing head and latch it into place on the right-hand
side.
Cleaning the fresh water filter
1. Drain the fresh water.
2. Unscrew the fresh water tank cap.
Illustration S
Fresh water filter
1
Fresh water tank lock
2
3. Pull out the fresh water filter and rinse with clear water.
4. Insert the fresh water filter.
5. Fit the fresh water tank lock.
Turn over or replace the worn suction lips
The suction lips must be turned over or replaced when
worn out.
The suction lips can be turned 3 times until all 4 edges
are worn.
1. Remove the suction bar.
2. Unscrew the star handles.
Illustration T
Star grip
1
Strap
2
Inner part of the suction bar
3
Tension lock
4
3. Pull out the inner part of the suction bar.
4. Open the tension lock.
5. Remove the strap.
6. Release the suction lips from the inner part.
Illustration U
Squeegee blade
1
Support lip
2
Inner part of the suction bar
3
Strap
4
7. Press the turned or new suction lips onto the knobs
of the inner part of the suction bar.
8. Attach the strap.
9. Push the inner part of the suction bar into the upper part.
10. Screw in and tighten the star handles.
Replacing the disc brush
Note
Replace the disc brushes when the bristle length has
reached 10 mm.
1. Press the raise/lower cleaning head lever down and
latch it towards the right.
2. Push the brush replacement pedal down.
3. Pull the disc brush sideways and out from under-
neath the cleaning head.
4. Hold the new disc brush under the cleaning head,
then press upwards and latch it into position.
19