Checking the drive belt
1. Fold the hood of the pre-sweeping unit forwards.
Illustration K
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 L
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.
Front sealing strip
5. Unscrew the nuts (5x).
Illustration R
6. Align the ground clearance of the sealing strip so
that it bends to the rear by 35-40 mm at the ground.
Illustration T
Nut
1
7. Tighten the nuts (5x).
Rear sealing strip
Adjust the ground clearance of the rear sealing strip so
that it bends to the rear by 5-10 mm at the ground.
Illustration S
8. Replace the sealing strip if it is worn.
9. Remove the roller brush (see chapter Replacing the
roller brush).
10. Unscrew the nuts (7x).
Illustration R
Nut
1
11. Fit the new sealing strip.
12. Tighten the nuts (7x).
Side sealing strips
13. Release the fastening nuts.
Illustration U
14. Adjust the ground clearance by inserting an under-
lay 1-2 mm thick.
15. Align the sealing strip.
16. Tighten the nuts.
17. Install the roller brush.
Replacing the dust filter
Illustration AC
Dust filter housing cover
1
Screw
2
Flange
3
1. Release the lock of the sweeping mechanism hood
by turning it inwards.
2. Pivot up the sweeping mechanism hood.
3. Remove the dust filter housing cover.
4. Remove the screws (2x).
5. Turn the flange anticlockwise and remove the dust
filter bearing.
Seat switch open!
Release the accelerator pedal!
No travel direction!
Battery discharged!
Battery voltage impermissible!
Fresh water tank empty!
Brush pressure not reached!
Waste water full!
Brake defective!
Driving motor too hot! Cooling phase 1. Set the safety switch to "0".
Horn defective!
CPU head too hot! Cooling phase
6. Remove the dust filter.
7. Fit the new dust filter so that the holes on the front
point to the driver.
8. Fit the dust filter bearing, turn clockwise and screw
tight.
9. Fit the cover and latch into place.
10. Close the sweeping mechanism hood.
11. Secure the hood lock by turning it outwards.
Replacing the side brushes
1. Unscrew the screws (3x).
Illustration AE
Screws
1
2. Remove the side brush.
3. Slide on the new side brush.
4. Screw in and tighten the 3 screws.
Replacing the roller brush
Illustration X
Sheet metal cover
1
Screw
2
Waste container
3
1. Pull out the waste container.
2. Unscrew the screw.
3. Pivot the sheet metal cover upwards and remove it.
Illustration Y
Bowden cable
1
Swing arm bearing screw
2
Cover
3
Rocker
4
Cover screws
5
4. Unhook the Bowden cable.
5. Unscrew the screw of the swing arm bearing.
6. Pull off the rocker.
7. Unscrew both screws of the cover and remove the
cover.
8. Remove the roller brush.
9. Fit the new roller brush.
10. Assemble the sweeping mechanism in the reverse
order.
11. Adjust the Bowden cable.
If there is a risk of frost:
1. Empty the fresh water tank and the waste water
tank.
2. Park the device in a frost-protected room.
Troubleshooting guide
DANGER
Risk of injury if the device is started unintentionally!
Unintentional starting of the device can cause injury to
persons working on the device.
Remove the Intelligent Key prior to all work on the de-
vice.
Before carrying out any work, pull the mains plug of the
internal charger out of the socket.
Disconnect the battery connector before performing any
work.
1. Release the accelerator pedal.
2. Adjust the driver's seat to the correct body weight.
3. Relieve the driver's seat briefly so that the controller can check the function of the seat contact switch.
4. Fully load the driver's seat.
1. Release the accelerator pedal.
1. Contact customer service.
1. Charge the battery.
1. Contact Customer Service
1. Refill the fresh water tank.
1. Check the brushes for wear and replace if necessary.
2. Check the cleaning head functions: lower, raise.
1. Empty the waste water tank.
1. Stop driving the device.
2. Contact Customer Service
2. Allow the device to cool down for at least 15 minutes.
3. Contact Customer Service if this occurs repeatedly
1. Contact customer service.
1. Set the safety switch to "0".
2. Allow the controller to cool down for at least 5 minutes.
3. Significantly reduce the brush pressure on rough ground.
4. Contact Customer Service if this occurs repeatedly.
Frost protection
English
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.
1. Drain the waste water.
2. Drain the remaining fresh water.
Note
If the malfunction cannot be remedied with the following
instructions, contact Customer Service.
Replacing fuses
Only the automotive flat fuses with the following values
may be replaced by the operator:
● 5A– Controller and emergency power supply
● 20A – Per stroke/accessory module supply
● 50A – Lift/Clean module 3 (Combo variant)
ATTENTION
Damage to the controller!
Improper replacement of the fuses can damage the
controller.
Have defective pole fuses replaced only by the Custom-
er Service. If pole fuses are defective, the operating
conditions and the entire controller must be checked by
the Customer Service.
The controller is located below the control panel. To ac-
cess the fuses, remove the cover on the left side of the
footwell.
Note
The fuse assignment can be found on the inside of the
cover.
Illustration AD
Cover
1
1. Unscrew the screw (3x).
2. Remove the bar cover.
3. Replace the fuse.
4. Attach the cover.
Malfunctions with information shown on the
display
If faults are shown on the display, proceed as follows:
Fault display as a numerical code
In the event of a fault display with a numerical code,
first reset the fault (the device):
a Set the program selection switch to "0".
b Wait until the display has switched off.
c Set the program selection switch to the previous
program.
Carry out the appropriate remedial measures in
the order given only if the error occurs again. The
program selection switch must be in position "0"
and the Intelligent Key must have been pulled
out.
d If the error cannot be rectified, call Customer Ser-
vice and state the error message.
Fault display as text
a Follow the instructions on the display.
b Acknowledge the fault by pressing the info but-
ton.
Note
Error messages that are not listed in the following table
indicate errors that cannot be rectified by the operator.
In this case, please call Customer Service.
17