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Storage
CAUTION
Failure to observe the weight
Risk of injury and damage
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.
When choosing the parking space, take into account the total
weight of the device in order not to impair its stability.
● 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
Risk of injury from the device!
Risk of injury due to device inadvertently starting up.
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.
Unplug the battery connector.
WARNING
Risk of injury from moving elements!
The suction turbine, side brushes and filter dedusting
run on after switching off.
Do not carry out any work on the device until the com-
ponents have come to a standstill.
Drain and dispose of the waste water and fresh water.
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.
A detailed description of the individual maintenance
work is provided in chapter Maintenance work.
Drain the waste water.
Check the fluff filter and clean if necessary.
Pull out, empty and clean the waste container.
Only with R cleaning head: Remove the coarse dirt
container and empty it.
Clean the exterior of the device using a damp cloth,
wetted with a mild washing lye.
Check the suction lips, check for wear and tear and
replace if necessary.
Clean the squeegee blades, check for wear and tear
and replace if necessary.
Clean the brushes, check for wear and tear and re-
place if necessary.
Note
The roller brushes are worn out if the yellow indicator
bristles are the same length as the other bristles.
Charge the 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.
Clean the waste water tank if heavily soiled.
Additionally for the Combo variant:
Check the roller brush and side brushes for wear
and tear, foreign objects and any tangled pieces of
tape.
Pull out, empty and clean the coarse dirt basket.
Weekly
When used regularly, charge the lead-acid battery
fully and without interruption at least once a week.
Monthly
If the device is temporarily shut down (storage): Per-
form equalization charging of the battery.
Check battery poles for oxidation, brush off if neces-
sary. 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.
Check the acid density of the cells if the batteries are
not maintenance-free.
Only with R cleaning head: Clean the brush tunnel.
For a longer downtime, shut down the device when
the batteries are fully charged. Fully charge the re-
spective battery at least once a month.
Additionally for the Combo variant:
Check all Bowden cables and moving parts for ease
of motion.
Check the sweeping mechanism sealing strips for
correct adjustment and for wear and tear.
Quarter-yearly
Only for the Combo variant:
1. Check the tension, wear and tear and function of the
drive belts in the sweeping mechanism (V-belts and
round belts).
Annually
Have the prescribed inspection performed by Cus-
tomer Service.
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 work
Cleaning the waste water tank
1. Set the program Tank rinsing via the display using
the info button.
2. Open the lid of the waste water tank detergent filling
opening.
3. Rinse the waste water tank with clear water.
4. Clean the edge of the cleaning opening.
5. Close the lid of the waste water tank cleaning open-
ing again.
Note
Cleaning can also be performed using other water
sources.
Turning over or replacing the suction lips
The suction lips must be turned over or replaced when
worn out.
Note
The suction lips can be turned 3 times until all 4 edges
are worn.
1. Open the eccentric levers (2x).
2. Remove the suction bar.
Illustration AU
Squeegee blade
1
Strap
2
Eccentric levers (2x)
3
Tension lock
4
3. Open the tension lock.
4. Remove the strap.
5. Remove the squeegee blade.
6. Press the turned or new suction lips onto the knobs
of the inner part of the suction bar.
Illustration AW
Strap
1
Squeegee blade
2
7. Attach the strap.
8. Fit the suction bar
9. Close the eccentric levers (2x).
Replacing the roller brushes
1. Pull the tab.
Illustration BC
Tab
1
2. Pivot open the squeegee blade side doors.
Squeegee blade side doors
1
3. Pivot the yellow lever upwards.
Illustration BE
Bar
1
Safety flap
2
4. Pivot away the safety flap.
5. Pull off the brush retaining plate.
6. Remove the roller brush.
7. Fit the new roller brush.
Note
When fitting the roller brush, note that it must be placed
on the PIN provided in the brush tunnel.
Illustration BG
PIN
1
8. Fit the brush retaining plate again.
9. Close the safety flap.
10. Pivot the latch downwards into the hook.
11. Pivot the squeegee blade side door closed.
Repeat the entire procedure at the other side.
Replacing squeegee blades
Illustration BQ
Tab
1
Squeegee blade side doors
2
1. Pull the tab.
2. Pivot open the squeegee blade side doors.
English
3. Unscrew the screws (6x).
Illustration BS
4. Replace the squeegee blade.
5. Reinstall the screws (6x).
6. Close the squeegee blade holder again.
Replacing the disc brushes
1. Pull the tab on the side doors.
Illustration BO
Bracket
1
2. Pivot open the squeegee blade side doors.
3. Push the bracket downwards.
4. Pull the disc brush sideways and out from under-
neath the cleaning head.
5. Hold the new disc brush under the cleaning head,
then press upwards and latch it into position.
6. Pivot the squeegee blade side doors closed again.
Additional maintenance work on the side
scrubbing deck
Cleaning the brush
1. Turn the brush clockwise until the brush
holder springs are facing forward.
2. Pull the brush holder springs apart.
Illustration CK
Brush holder springs
1
The brush falls out of the holder.
3. Check the brush for foreign objects (e.g. parcel tape
or foil).
4. Clean the brush under running water.
5. Pull the brush holder springs apart and fit the brush.
Checking the brush for wear and tear
The brush is worn out when the bristle length corre-
sponds to the length of the yellow indicator bristle.
1. Replace the brush (See Replacing the brush).
Replacing the brush
1. Turn the brush clockwise until the brush
holder springs are facing forward.
2. Pull the brush holder springs apart.
Illustration CK
Brush holder springs
1
The brush falls out of the holder.
3. Fit the new brush.
4. Pull the brush holder springs apart and fit the brush.
Replacing the squeegee blade
1. Unscrew the M6 x 12 screws (6x).
Illustration CM
M6 x 12 screws
1
Retaining plate
2
2. Remove the retaining plate and the squeegee
blade.
3. Fit the new squeegee blade on the retaining plate.
4. Fasten the retaining plate using the M6 x 12 screws (6x).
Additional maintenance work for the Combo
variant
DANGER
Danger of crushing and shearing!
Danger of crushing and shearing due to running belt
drives.
It is essential to close and lock the sweeping mecha-
nism hood before you can put the device back into op-
eration after maintenance work.
Checking the drive belt
1. Fold the hood of the pre-sweeping unit forwards.
Illustration Y
2. Remove the 4 screws from the protective plate.
3. Remove the protective plate.
4. Check the belt of the suction turbine for wear and
correct fit.
Illustration AA
Pre-sweeping unit suction turbine belt
1
Brush roller drive belt (Under the sheet metal cover)
2
5. Check the brush roller drive belt for wear and correct
seating.
Checking the sweeping mechanism sealing strips
1. Place the device on a level surface.
2. Set the program selection switch to "0".
3. Use a chock to secure the device against rolling
away.
4. Remove the waste containers from both sides.
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