Read these original operating instructions and the enclosed safety instructions before using the device for the first time. Proceed accordingly.

Keep both books for future reference or for future owners.

This scouring and vacuum machine is used for wet cleaning or polishing of level floors.

The device can be adjusted to suit the respective cleaning task by adjusting the water quantity, detergent volume and travel speed. The detergent is dosed by adding it to the fresh water tank or via an optional dosing device (DOSE).

This device is suitable for commercial and industrial use, e.g. in hotels, schools, hospitals, factories, shops, offices, and rental companies. Use the device only in accordance with the information in these operating instructions.

• The device may only be used for cleaning smooth surfaces that are insensitive to water and polishing.

• The device is designed for indoor use.

• The operational temperature range is between +5 °C and +40 °C.

• The device is not suitable for cleaning frozen floors (e.g. in cold stores).

• The device is suitable for a maximum water height of 1 cm. Do not drive into an area if there is a danger of exceeding the maximum water height.

• When using chargers or batteries, only the components approved in the operating instructions may be used. A different combination must be confirmed by the responsible charger and/or battery supplier.

• The device is not intended for cleaning public traffic routes.

• The device must not be used on pressure-sensitive floors. Take into account the permissible load per unit area of the floor. The load per unit area caused by the device is specified in the technical data.

• The device is not suitable for use in potentially explosive environments.

• The device is approved for operation on surfaces with a maximum slope (see chapter "Technical Data").

The packing materials can be recycled. Please dispose of packaging in accordance with the environmental regulations.

Electrical and electronic appliances contain valuable, recyclable materials and often components such as batteries, rechargeable batteries or oil, which - if handled or disposed of incorrectly - can pose a potential threat to human health and the environment. However, these components are required for the correct operation of the appliance. Appliances marked by this symbol are not allowed to be disposed of together with the household rubbish.

Current information on content materials can be found at: www.kaercher.com/REACH

Only use original accessories and original spare parts. They ensure that the appliance will run fault-free and safely.

Information on accessories and spare parts can be found at www.kaercher.com.

Check the contents for completeness when unpacking. If any accessories are missing or in the event of any shipping damage, please notify your dealer.

Before using the device for the first time, read and observe these operating instructions and the accompanying brochure: Safety instructions for brush cleaning devices, No. 5.956-251.0.

The device is approved for operation on surfaces with a specified limited slope (see chapter "Technical Data").

The device may only be operated when the hood and all covers are closed.

For immediate shutdown of all functions: Set the safety switch to "0".

• The device brakes hard when the safety switch is switched off.

• The safety switch acts directly on all device functions

If the operator leaves the seat during work or while driving, the seat switch switches off the engine after a short delay.

Observe the following warnings when handling the batteries:

	Observe notes in the instructions for the battery, on the battery and in these operating instructions.
	Wear eye protection.
	Keep acids and batteries away from children.
	Risk of explosion
	Fire, sparks, open flames and smoking are prohibited.
	Risk of acid burns
	First aid.
	Warning
	Disposal
	Do not throw batteries in the bin.

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1. Control panel
2. Steering wheel
3. Detergent suction hose (Dose variant only)
4. * Detergent canister (Dose variant only)
5. * Warning light
6. Storage area for "Homebase Box" cleaning set
7. Waste water drain hose
8. * Waste water tank flushing system water connection
9. Coarse dirt filter
10. * Waste water tank flushing system
11. Waste water tank cap
12. Float
13. Fluff filter
14. Waste water tank
15. Turbine screen (under the float)
16. * Mop holder
17. * Tool holder
18. Suction hose
19. Suction bar
20. Suction bar clamping lever
21. Waste water tank cap
22. Fresh water tank filling hole
23. Filling system
24. Battery connector (with external charger)Charger mains cable (with internal charger)
25. Accelerator pedal
26. Daytime running light
27. * Work light
28. * Side scrubbing deck
29. Side brush (SB variant only)
30. Squeegee blade adjustment wheel (D cleaning head only)
31. Cable hooks
32. Cleaning head
33. Squeegee blade
34. Bearing cover (for brush replacement)
35. Brush replacement pedal (D cleaning head only)
36. Seat (with seat switch)
37. Seat adjustment lever
38. Battery
39. Type plate
40. Coarse dirt container (only with R cleaning head)
41. Fresh water tank cap with fresh water filter

* optional

• Control elements for the cleaning process are yellow.

• Control elements for maintenance and servicing are light grey.

• When driving through narrow spaces, the suction bar can be removed and hung in one of the openings on the lid of the waste water tank.

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  1. Suction bar
  2. Mounting point

	Handle for pivoting up the waste water tank
	Lashing point
	* Mop holder
	* Filling system water connection
	* Waste water tank flushing system water connection
	Fresh water tank drain opening
	Waste water tank drain opening

* optional

The overhead guard protects the driver of the device from falling objects.

On devices with a overhead guard, the waste water tank is equipped with a safety lock. This safety lock prevents the waste water tank from pivoting back unintentionally through forces acting on the overhead guard.

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1. Overhead guard
2. Retaining plate
3. Locking screw M8x16, washer

1. Empty the waste water tank.

2. Unscrew the locking screw.

3. Hold the waste water tank firmly and slowly pivot it backwards.

1. Hold the waste water tank firmly and slowly pivot it forward.

2. Screw in and tighten the locking screw.

* Minimum volume of the battery charging room

** Minimum airflow between battery charging room and environment

* as with 4.654-306.7

** as with 4.654-307.7

With the "Pack" variant, the batteries are already installed.

CAUTION

Removing and installing the batteries

Unstable machine position

Ensure that the machine is positioned stably when removing and installing the batteries.

ATTENTION

Incorrect connection polarity

Destruction of the control electronics

Take care to ensure the correct polarity when connecting the batteries.

ATTENTION

Deep discharge

Risk of damage

Charge the batteries before starting the device.

1. Drain the waste water.

   Note

   For devices with a overhead guard, always observe the notes in the "Overhead guard" chapter.

2. Pivot the waste water tank to the rear.

3. Fit the batteries in the device.

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4. Connect the battery terminals using the connection cables provided.

5. Clamp the supplied connecting cable to the (+) and (‑) battery terminals that are still free.

6. Check for correct installation of the pole protection caps.

7. Connect the device-side battery connector to the battery-side battery connector.

8. Pivot the waste water tank forwards and close it.

9. Set the battery type (see chapter "Gray Intelligent Key").

   ATTENTION

   Risk of damage

   The battery can be damaged by deep discharge.

   Charge the battery before initial startup of the device.

The device cannot be used during the charging process.

1. Drive the device directly to the charger and do not drive on slopes.

1. Connect the mains cable to the IEC connector on the device.

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   1. IEC connector for charging cable

2. Plug the mains plug of the internal charger into the mains socket.

   A battery symbol and the charging state of the batteries are shown in the display. The display lighting goes out.

   Note

   All cleaning and driving functions are blocked during the charging process.

   When the battery is fully charged, the display shows "Battery Full!".

3. Unplug the charger mains plug from the mains socket after charging.

4. Wind the mains cable onto the cable holders.

1. Empty the waste water tank.

2. Set the safety switch to "0".

3. Pivot the waste water tank to the rear.

4. Pull out the device-side battery connector.

5. Connect the battery-side battery connector to the charger.

6. Plug the mains plug of the charger into the socket.

7. Carry out the charging process in accordance with the operating instructions for the charger.

8. Connect the device-side battery connector to the battery-side battery connector.

9. Pivot the waste water tank forwards.

DANGER

Refilling discharged batteries with water

Danger of acid burns from escaping acid, destruction of clothing

Wear safety goggles, protective clothing and protective gloves when handling the battery acid.

Observe the applicable regulations.

Immediately rinse off any splashed acid from the skin or clothing using copious amounts of water.

ATTENTION

Using water with additives

Defective batteries, loss of warranty eligibility

Top up the batteries using only distilled or desalinated water (EN 50272-T3).

Do not use any foreign additives, so-called enhancing agents, because this will invalidate the warranty.

1. Add distilled water one hour before the charging process comes to an end. Observe the correct acid level according to the battery label.

   All cells must produce gas at the end of the charging process.

2. Clean up any spilled water. To do this, proceed as described in the Care and maintenance chapter in the "Cleaning the batteries" section.

A "V" to the right of the bar on the battery display indicates that initial charging has not yet been carried out.

1. Charge the batteries until the display shows the maximum charging state.

2. After initially charging the batteries, use the device until the deep discharge protection switches off the brush drive and suction.

3. Then fully and correctly charge the batteries.

   The "V" to the right of the battery indicator disappears after initial charging.

   Note

   If a battery type is selected in the battery menu, the procedure described above must be carried out again. This is also the case if the battery type that has already been set is selected again.

The charging state of the batteries is shown on the control panel display.

• The length of the bar shows the charging state of the battery.

• During the last 30 minutes, the remaining operating time is displayed in minutes.

1. Set the safety switch to "0".

2. Drain the waste water.

3. Pivot the waste water tank to the rear.

4. Pull out the battery plug.

5. Disconnect the cable from the minus terminal at the battery.

6. Disconnect the remaining cables from the batteries.

7. Remove the batteries.

8. Dispose of the used batteries in accordance with statutory provisions.

1. Remove the packaging film.

2. Remove the strap.

3. 4 bottom boards of the pallet are fastened with screws. Unscrew these boards.

4. Position the boards on the edge of the pallet and align them in front of the wheels on the device.

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   1. Board
   2. Bar

5. Secure the boards with the screws.

6. Slide the support bars provided in the packaging under the ramp.

7. Remove the wooden strips in front of the wheels.

1. With all device variants except "low wheel pressure", pull the brake lever on the front wheel and insert a coin between the lever and the brake.

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   1. Front brake lever (all device variants except B 150 low wheel pressure)
   2. Rear brake lever (device variants Adv and B 150 low wheel pressure only)

2. With the device variant "Adv" and "low wheel pressure" repeat the procedure on the rear axle.

3. Push the device slowly off the ramp.

4. DANGER

   Danger of accident

   The device has no braking effect when the brakes are deactivated.

   Remove the coins immediately after the device is pushed off the pallet.

   Remove the coins between the lever and the housing.

The batteries must be installed and charged in order to drive off the pallet.

1. Insert the Intelligent Key into the control panel.

2. Set the safety switch to position "1"

3. Set the program switch to transport travel.

4. Set the travel direction switch to "Forward".

5. Depress the accelerator pedal.

6. Drive the device slowly off the pallet.

7. Set the safety switch to "0".

Installation of the cleaning head is described in the chapter "Maintenance tasks".

1. The installation of the brushes is described in the chapter "Maintenance work".

1. Pivot both clamping levers upwards.

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   1. Suction hose
   2. Suction bar suspension
   3. Suction bar
   4. Clamping lever

2. Insert the suction bar in the suction bar mount.

3. Pivot both clamping levers downwards.

1. Operate the seat adjustment lever and move the seat to the desired position.

2. Release the seat adjustment lever and latch the seat into position.

1. Sit in the driver's seat.

2. Insert the Intelligent Key.

3. Set the safety switch to "1".

4. Turn the program switch to the desired function.

5. If one of the displays below appears on the display, take your foot off the accelerator pedal, set the safety switch to "0" and carry out the necessary maintenance work.

   Display	Activity
   Maintenance Suction Bar	Clean the suction bar.
   Maintenance Brush Head	Check the brushes for wear and clean them.
   Maintenance Suction Slice	Check the suction lips for wear and correct adjustment.
   Maintenance Suction Filter	Clean the turbine screen.
   Maintenance Water Filter	Clean the fresh water filter.

6. Press the Info button.

7. Reset the counter for the corresponding maintenance (see "Grey Intelligent Key / Reset maintenance counter").

   Note

   If the counter is not reset, the maintenance display appears again each time the device is switched on.

The daytime running light is in operation when the device is switched on.

1. Set the program switch to transport travel.

2. Press the Info button.

3. Turn the Info button until "Switch Menu" is displayed.

4. Press the Info button.

5. Turn the Info button until "Work Light" is highlighted.

6. Press the Info button.

1. Switch the device on.

2. Set the travel direction switch to "Forward".

3. Set the program switch to transport travel.

4. Press the accelerator pedal lightly.

   The brake must audibly unlock. The appliance must roll easily on a plane surface.

5. Release the accelerator pedal.

   The brake must audibly lock.

If this is not the case, take the device out of operation and call Customer Service.

1. Assume a seated position.

2. Insert the Intelligent Key.

3. Turn the safety switch to "1".

4. Set the program selector switch to "Transport travel".

5. Set the direction of travel using the drive direction button on the control panel.

6. Specify the travel speed by pressing the accelerator pedal.

7. Release the accelerator pedal.

   The device stops.

The driving motor is switched off in the event of an overload. A fault message appears on the display. If the controller overheats, the affected power unit is switched off.

8. Allow the device to cool down for at least 15 minutes.

9. Set the program switch to “OFF”, wait briefly and set to the desired program.

1. Connect the water hose to the connection nozzle of the filling system (maximum water temperature 50 °C).

2. Open the water inlet.

3. Monitor the device, the automatic filling system interrupts the water supply when the fresh water tank is full.

4. Close the water inlet.

5. Remove the water hose.

1. Open the fresh water tank cap.

2. Fill with fresh water (max. 50 °C) to 15 mm below the upper edge of the tank.

   Note

   Adding detergent to the detergent tank followed by water can lead to excessive foaming.

   Fill the fresh water tank completely before initial startup in order to vent the water pipe system.

3. ´Remove the fresh water tank cap.

Recommended detergents

Only with DOSE variant:

Detergent is added to the fresh water on the way to the cleaning head by a dosing device.

1. Fill the detergent into the detergent canister.

   Note

   A maximum of 3% detergent can be added with the dosing device. If the dosage is higher, the detergent must be added to the fresh water tank.

   ATTENTION

   Danger of clogging

   When adding detergent to the fresh water tank, the detergent can dry out and disrupt the function of the dosing device.

   Rinse the device with clear water after adding the detergent to the fresh water tank: Select a cleaning program with water application, set the water quantity to the highest value, set the detergent dosage to 0.

   Note

   The device has a fresh water level indicator on the display. Detergent dosing is also stopped when the fresh water tank is empty. The cleaning head continues to work without supply of liquid.

1. Fill the detergent into the fresh water tank.

   Note: The lid for the filling hole of the fresh water tank can be used to measure the detergent. It has a measuring scale marked on the inner side.

The parameters for the various cleaning programs are preset in the device.

Individual parameters can be changed depending on the authorization of the yellow Intelligent Key.

The modified parameters only remain in effect until a different cleaning program is selected with the program switch.

A grey Intelligent Key must be used for making adjustments if parameters are to be changed permanently. This setting procedure is described in the section "Grey Intelligent Key".

1. Set the program switch to the desired cleaning program.

2. Turn the Info button until the desired parameter is displayed.

3. Press the Info button.

   The adjusted value flashes.

4. Set the desired value by turning the Info button.

5. Confirm the changed setting by pressing the Info button or wait until the set value is automatically accepted after 10 seconds.

The suction bar only needs to be readjusted in special cases. The factory setting is suitable for most applications.

The inclination must be adjusted so that the suction lips of the suction bar make even contact with the floor over the entire length of the suction bar.

1. Park the device on a surface without a slope.

2. Turn the program switch to the "Vacuum" position.

3. Drive the device a small distance forwards.

4. Read the spirit level.

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   1. Screw
   2. Nut
   3. Spirit level

5. Unscrew the nut.

6. Adjust the screw so that the spirit level indicator is between the two lines.

7. Tighten the nut.

8. To check the new setting, move the device forward again a short distance. Repeat the adjustment process if necessary.

9. Turn the key-operated switch to "OFF".

The height adjustment affects the bending of the suction lips on contact with the floor.

1. Unscrew the nuts.

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   1. Nut
   2. Washer
   3. Spacer roller with holder

2. Place the desired number of washers between the suction bar and the spacer roller.

3. Fit the remaining unused washers above the spacer roller.

4. Screw on the nut and tighten.

5. Repeat the entire procedure at the second spacer roller.

   Note

   Set both spacer rollers to the same height.

The squeegee blades only need to be adjusted on the D cleaning head.

1. Adjust the squeegee blades by turning the setting wheel so that the squeegee blade touches the ground.

2. Turn the adjustment wheel an additional 1 rotation down.

The hose with the spray nozzle is attached to the rear of the device. It is used for rinsing away dirt and manually cleaning the waste water tank.

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1. Spray nozzle

1. Close the spray nozzle by turning it.

2. Set the program selector switch to "Transport travel".

3. Press the Info button.

4. Turn the info button until "Tank Rinsing" is shown on the display.

5. Press the Info button.

6. Turn the Info button until "ON" is displayed.

7. Press the Info button.

   The water pump delivers fresh water through the spray nozzle.

8. Point the spray nozzle at the target and turn it to open it.

1. Sit on the seat.

2. Insert the Intelligent Key.

3. Set the safety switch to "1".

4. Set the travel direction switch to forward travel.

5. Set the program switch to the desired cleaning program.

6. Determine the speed with the accelerator pedal.

7. Determine the travel direction with the steering wheel.

8. Drive over the surface to be cleaned.

The side scrubbing deck makes working close to the edge easier.

1. Operate the side scrubbing deck switch.

   The side scrubbing deck is activated.

2. To finish working with the side scrubbing deck, set the side scrubbing deck switch to "0" .

1. Set the programme switch to Drive.

2. Continue moving a short distance.

   The residual water is vacuumed up.

3. Turn the key-operated switch to "OFF".

4. Remove the Intelligent Key.

5. Charge the battery if necessary.

1. Remove the waste water drain hose from the support and open the drain hose cover.

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   1. Waste water drain hose

2. Squeeze the end of the hose and lower it over the disposal facility.

3. Adjust the strength of the waste water jet by squeezing the end of the hose.

4. Rinse the waste water tank with clear water.

5. Close the drain hose cover.

6. Press the waste water hose into the support on the device.

1. Remove the waste water drain hose from the support and open the drain hose cover.

2. Close the cover of the waste water tank.

3. Connect a water supply hose to the water connection of the waste water tank flushing system.

4. Open the water inlet and rinse the waste water tank for about 30 seconds.

5. Repeat the rinsing process 2 to 3 times if necessary.

6. Close the water inlet.

7. Disconnect the water supply hose from the device.

8. Close the waste water drain hose and press it into the support.

A coarse dirt container is only present on R cleaning heads.

1. Lift the coarse dirt container and pull it out.

2. Empty the coarse dirt container.

3. Reinstall the coarse dirt container.

1. Open the fresh water tank cap.

2. Drain the fresh water.

3. Clean the filter.

4. Fit the fresh water tank cap.

1. Turn the key-operated switch to "OFF".

2. Remove the Intelligent Key.

3. Secure the device against rolling away.

4. Charge the battery if necessary.

The grey Intelligent Key grants the supervisory staff extended authorizations and setting options.

1. Insert the Intelligent Key.

2. Select the desired function by turning the info button.

1. Set the program selector switch to "Transport travel".

2. Press the Info button.

The following settings can be made in the Transport travel menu:

• Resetting the maintenance counter

• Key management

• Choosing the brush shape

• After-running time

• Setting the battery type

• Standard setting

• Setting the language

• Switch menu

• Factory setting

If maintenance work shown in the display has been carried out, the corresponding maintenance counter must then be reset.

1. Turn the Info button until "Maintenance Cntr" is displayed.

2. Press the Info button.

   The counter readings are displayed.

3. Turn the info button until the counter to be cleared is highlighted.

4. Press the Info button.

5. Select "Yes" by turning the Info button.

6. Press the Info button.

   The counter is cleared.

   Note

   The service counter can only be reset by Customer Service staff.

   The service counter shows the time until the next service due by Customer Service.

The authorizations are assigned for each yellow Intelligent Key used and the language of the display is set for this Intelligent Key in the "Key Manager" menu item.

1. Insert the grey Intelligent Key.

2. Turn the info button until the "Key Manager" menu item appears on the display.

3. Press the Info button.

4. Remove the grey Intelligent Key and insert the yellow Intelligent Key to be personalized.

5. Select the menu item to be changed by turning the info button.

6. Press the Info button.

7. Select the setting of the menu item by turning the info button.

8. Confirm the setting by pressing the menu item.

9. Select the next menu item to be changed by turning the info button.

10. After all settings have been made, call up the "Save?" menu by turning the info button.

11. Press the Info button.

    The authorizations are saved.

    The "Key Manager continue?" display appears.

    • Yes: Program another Intelligent Key

    • No: Exit the key menu

12. Press the Info button.

This function is required when changing the cleaning head.

1. Turn the info button until the "Brush Head" menu item appears on the display.

2. Press the Info button.

3. Turn the info button until the desired brush shape is highlighted.

4. Press the Info button.

5. To change the cleaning head, move the lifting drive by turning the info button:

   • "up": Lifting

   • "down": Lowering

   • "OFF": Stopping

6. Turn the info button until the "OFF" menu item is displayed.

7. Press the Info button.

   The menu is exited.

   The controller performs a restart.

1. Turn the info button until the "After-Run Time" menu item appears on the display.

2. Press the Info button.

3. Turn the info button until the desired function is highlighted.

4. Press the Info button.

5. Turn the info button until the desired after-running time is displayed.

6. Press the Info button.

1. Turn the info button until the "Battery Menu" menu item appears on the display.

2. Press the Info button.

3. Turn the info button until the desired battery type is highlighted.

4. Press the Info button.

Parameter changes made in the individual cleaning programs during operation are reset to the standard setting when the device is switched off.

1. Turn the info button until the "Basic Settings" menu item appears on the display.

2. Press the Info button.

3. Turn the info button until the desired cleaning program is highlighted.

4. Press the Info button.

5. Turn the Info button until the desired parameter is highlighted.

6. Press the Info button.

   The adjusted value flashes.

7. Set the desired value by turning the Info button.

8. Press the Info button.

1. Turn the info button until the "Language" menu item appears on the display.

2. Press the Info button.

3. Turn the info button until the desired language is highlighted.

4. Press the Info button.

The work light can be enabled or disabled in this menu.

1. Turn the Info button until "Switch Menu" is displayed.

2. Press the Info button.

3. Turn the Info button until "Work Light" is highlighted.

4. Press the Info button.

The factory settings for all cleaning parameters are restored.

1. Turn the info button until the "Factory Settings" menu item is displayed.

2. Press the Info button.

3. Turn the Info button until "Yes" is highlighted.

4. Press the Info button.

All parameters for cleaning programs are retained until another setting is selected.

1. Set the program switch to the desired cleaning program.

2. Press the Info button.

   The first adjustable parameter is displayed.

3. Press the Info button

   The adjusted value flashes.

4. Set the desired value by turning the Info button.

5. Confirm the changed setting by pressing the Info button or wait until the set value is automatically accepted after 10 seconds.

6. Select the next parameter by turning the Info button.

7. After changing all desired parameters, turn the Info button until the "Quit Menu?" menu item is displayed.

8. Press the Info button.

   The menu is exited.

1. With the D cleaning head installed, remove the disc brushes from the brush head.

2. When transporting in vehicles, secure the device against slipping and tipping over according to the applicable guidelines.

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   1. Lashing strap

• 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 during storage.

• Drain and dispose of the waste water and fresh water.

A detailed description of the individual maintenance work is provided in the chapter "Maintenance Work".

• Drain the waste water.

• Rinse the waste water tank.

• Clean the coarse dirt filter.

• Clean the turbine screen.

• 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 replace if necessary.

• Clean the squeegee blades, check for wear and replace if necessary.

• Clean the brushes, check for wear and replace if necessary.

• Charge the 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.

• When used regularly, charge the battery fully and without interruption at least once a week.

• If the device is temporarily shut down (storage): 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.

• Check the acid density of the cells if the batteries are not maintenance-free.

• Only with R cleaning head: Clean the brush tunnel.

• Only with R cleaning head: Pull the water distribution strip off the cleaning head and clean the water channel.

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• For longer periods of disuse, shut down the device when the batteries are fully charged. Fully charge the battery at least once a month.

• Have the prescribed inspection performed by Customer Service.

You can agree on regular safety inspections or close a maintenance contract with your dealer. Please seek advice on this.

1. Open the waste water tank cover.

2. Press the locking hooks together.

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   1. Latching hooks
   2. Float
   3. Turbine screen

3. Pull off the float.

4. Turn the turbine screen anticlockwise.

5. Remove the turbine screen.

6. Clean the turbine screen under running water.

7. Reinstall the turbine screen.

8. Attach the float.

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.

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   1. Star grip
   2. Strap
   3. Inner part of the suction bar
   4. Tension lock

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.

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   1. Squeegee blade
   2. Support lip
   3. Inner part of the suction bar
   4. Strap

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.

1. Open the waste water tank cover.

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   1. Coarse dirt filter
   2. Fluff filter

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.

1. Lift the holder of the cleaning head (see chapter "Gray Intelligent Key/... / Selecting the brush shape").

2. Push the cleaning head under the device so that the hose points to the rear.

3. Push the cleaning head halfway under the device.

4. Press the latching lug to the left and remove the cover from the cleaning head.

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   1. Latch
   2. Cover

5. Connect the power supply cable of the cleaning head to the cable of the device (the same colours must line up).

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   1. Device cable
   2. Power supply cable

6. Fit the cover and latch into place.

7. Push the cleaning head centrally under the device.

8. Connect the hose coupling on the cleaning head to the hose on the device.

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   1. Hose coupling
   2. Hose

9. Insert the tab in the middle of the cleaning head into the fork in the lever.

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   1. Retaining pins
   2. Lever
   3. Tab

10. Align the holder of the cleaning head so that the holes in the lever and the cleaning head line up.

11. Insert the retaining pin through the holes and pivot the locking plate down.

12. Push the straight pin into the hole in the pull rod.

    ---

    

    1. Pull rod
    2. Straight pin
    3. Guide channel

13. Push the pull rod in the guide channel on the cleaning head all the way to the bottom.

14. Insert the locking plate in the guide channel and click into place.

15. Repeat the procedure with the pull rod on the opposite side.

16. Insert the grey Intelligent Key.

17. Set the "Disk" brush type.

1. Press in the locking plate and pivot the pull rod upwards.

   ---

   

   1. Retaining plate
   2. Pull rod

2. Further removal is performed in the reverse order to installation.

1. Remove both covers.

   ---

   

   1. Cover
   2. Screw, cover
   3. Bar cover
   4. Screw, holder
   5. Holder

2. Unscrew the screws for the holders.

3. Remove both holders.

4. Unscrew the screw on the cover.

5. Attach both tie rods to the eye bolts.

   ---

   

   1. Pull rod
   2. Knurled nut
   3. Nut
   4. Eyebolt

6. Push the cleaning head centrally under the device.

7. Fasten both tie rods to the holders (tightening torque: 25 Nm).

   ---

   

   1. Screw M8x20
   2. Washer
   3. Holder
   4. Pull rod

8. Insert the tab in the middle of the cleaning head into the fork in the lever.

   ---

   

   1. Lever
   2. Washer
   3. Spring pin
   4. Bolt
   5. Tab

9. Align the holder of the cleaning head so that the holes in the lever and the cleaning head line up.

10. Insert the bolt through the fork and tab.

11. Thread a washer onto the bolt.

12. Secure the bolt with a spring pin.

13. Connect the hose coupling on the cleaning head to the hose on the device.

    ---

    

    1. Hose coupling
    2. Hose

14. Open the cover.

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    1. Cover

15. Connect the power supply cable of the cleaning head to the cable of the device (the same colours must line up).

16. Fit the cover and secure it with the screw.

17. Place a spirit level on the side of the cleaning head parallel to the travel direction.

18. Align the cleaning head horizontally by adjusting the knurled screw and the nut on the eyebolt.

19. Repeat the adjustment on the other side of the device.

20. Insert the grey Intelligent Key.

21. Set the "Brush" brush type.

1. Raise the cleaning head.

2. Pull out the brush replacement handle.

   ---

   

   1. Brush replacement handle
   2. Bearing cover with squeegee blade
   3. Roller brush

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.

   ---

   

   1. Driver
   2. Mounting mandrel

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.

1. Raise the cleaning head.

2. Press the brush replacement pedal down, beyond the zone of resistance.

   ---

   

   1. Brush replacement pedal

3. Pull the 1st disc brush sideways and out from underneath the cleaning head.

4. Hold the new disc brush under the cleaning head, then press upwards and latch it into position.

5. Repeat the procedure for the 2nd disc brush.

1. Press the brush replacement lever downwards.

   ---

   

   1. Side scrubbing deck brush
   2. Brush replacement lever

   The brush falls out of the support.

2. Hold the new brush under the side scrubbing deck, then press upwards and latch it into position

1. Unscrew the 3 screws.

   ---

   

   1. Side brush
   2. Screw

2. Remove the side brush.

3. Slide on the new side brush.

4. Screw in and tighten the 3 screws.

1. Drain the fresh water (see chapter "Draining fresh water").

2. Unscrew the fresh water tank cap.

   ---

   

   1. Fresh water filter
   2. Fresh water tank lock

3. Pull out the fresh water filter and rinse with clean water.

4. Insert the fresh water filter.

5. Fit the fresh water tank lock.

   Note: Take care to ensure that the hose connection in the fresh water tank cap is positioned at the lowest point in the tank after screwing the cap in place.

1. Drain the waste water.

2. Drain the remaining fresh water.

If the malfunction cannot be remedied with the following instructions, contact Customer Service.

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):

  1. Set the programme switch to "OFF".

  2. Wait until the numeric code has gone out on the display.

  3. Set the program switch to the previous program.

     Carry out the appropriate remedial measures in the order given only if the error occurs again. The key-operated switch must be set to "0" and the emergency stop button must be pressed.

  4. If the error cannot be rectified, call Customer Service and state the error message.

• Fault display as text

  1. Follow the instructions on the display.

  2. Acknowledge the fault by pressing the info button.

• The device cannot be started 

• The water volume is insufficient 

• The suction performance is too low 

• The cleaning results are unsatisfactory 

• The brushes do not rotate 

• The device does not brake 

• The waste water drain hose is clogged 

• The "Dose" detergent dosing unit does not work 

Remedy:

1. Sit in the driver's seat.

2. Take your foot off the accelerator before switching on the safety switch.

3. Turn the safety switch to "1".

4. Check the battery and charge if necessary.

5. Set the programme switch to "OFF".

6. Wait 10 seconds.

7. Set the program switch to the desired program.

8. If possible, only drive the device on level ground.

9. Check the parking brake if necessary.

   If the fault still occurs, call Customer Service.

Remedy:

1. Check the fresh water filling level, if necessary fill the tank completely so that the air is pressed out.

2. Remove and clean the fresh water filter.

3. Insert the filter and screw on the cap.

4. Only with R cleaning head: Pull off the water distribution strip on the cleaning head.

5. Only with R cleaning head: Clean the water channel.

6. Check the hoses for clogging and clean if necessary.

Remedy:

1. Clean the seals between the waste water tank and the cover, check for leaks and replace if necessary.

2. Check the turbine screen for soiling and clean if necessary.

3. Clean the suction lips at the suction bar, turn over or replace if necessary.

4. Close the lid on the waste water drain hose.

5. Close the cover of the waste water tank rinsing system.

6. Check the suction hose for clogging and clean if necessary.

7. Check the suction hose for leaks and replace if necessary.

8. Check the adjustment of the suction bar.

Remedy:

1. Set the appropriate cleaning program for the cleaning task.

2. Use suitable brushes for the cleaning task.

3. Use a suitable detergent for the cleaning task.

4. Reduce the driving speed.

5. Adjust the contact pressure.

6. Adjust the squeegee blades.

7. Check the brushes for wear and replace if necessary.

8. Check the water output.

Remedy:

1. Reduce the contact pressure.

2. Check if the brushes are blocked by a foreign body and remove the foreign body if necessary.

3. If the motor is overloaded, let the motor cool down.

4. Set the programme switch to "OFF".

5. Wait 10 seconds.

6. Set the program switch to the desired program.

7. Check that the plug of the device is plugged into the cleaning head.

Remedy:

1. Remove the brake disabling measures (see "Assembly/Unpacking/Pushing the device off the pallet").

Remedy:

1. Open the dosing unit cover at the drain hose.

2. Pull the suction hose off the suction bar and close it by hand.

3. Set the programme switch to "Vacuum".

   The blockage is sucked out of the drain hose into the waste water tank.

Remedy:

1. "Dose" version only: Call Customer Service.

The warranty conditions issued by our relevant sales company apply in all countries. We shall remedy possible malfunctions on your appliance within the warranty period free of cost, provided that a material or manufacturing defect is the cause. In a warranty case, please contact your dealer (with the purchase receipt) or the next authorised customer service site.

(See overleaf for the address)

• R 75 

• D 75 

• R 85 

• D 90 

• D 110 

We hereby declare that the machine described below complies with the relevant basic safety and health requirements in the EU Directives, both in its basic design and construction as well as in the version placed in circulation by us. This declaration is invalidated by any changes made to the machine that are not approved by us.

Product: Floor cleaning ride-on machine

Type: 1.246-xxx

2006/42/EC (+2009/127/EC)

2014/30/EU

2014/53/EU (TCU)

EN 60335-1

EN 60335-2-29

EN 60335-2-72

EN 62233: 2008

EN 55012: 2007 + A1: 2009

EN 55014-1: 2006+A1: 2009+A2: 2011

EN 55014-2: 1997+A1: 2001+A2: 2008

EN 61000-3-2: 2014

EN 61000-3-3: 2013

EN 61000-6-2: 2005

EN 301 511 V12.5.1

EN 300 440 V2.1.1

EN 300 328 V2.2.2

EN 300 330 V2.1.1

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The signatories act on behalf of and with the authority of the company management.

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Documentation supervisor:

S. Reiser

Alfred Kärcher SE & Co. KG

Alfred-Kärcher-Str. 28 - 40

71364 Winnenden (Germany)

Ph.: +49 7195 14-0

Fax: +49 7195 14-2212

Winnenden, 2021/03/01