Read these safety instructions and the original instructions before using the device for the first time. Act in accordance with them. Keep the two booklets for future reference or for future owners.

• In addition to the notes in the operating instructions, you also need to take into consideration the general safety regulations and accident prevention guidelines applicable by law.

• Warnings and information notices attached to the device provide important information for hazard-free operation.

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.

Only use the device in private households.

In accordance with the descriptions and the safety information in these operating instructions, the device is intended for use as a wet and dry vacuum cleaner.

Cold ashes may only be vacuumed with suitable accessories.

Protect the device from rain and do not store it outdoors.

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

Electrical and electronic devices 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 danger to human health and the environment. However, these components are required for the correct operation of the device. Devices 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.de/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.

The scope of delivery for the appliance is shown on the packaging. Check the contents for completeness when unpacking. If any accessories are missing or in the event of any shipping damage, please notify your dealer.

The warranty conditions issued by our sales company responsible apply in all countries. We shall remedy possible malfunctions on your device 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.

You can find more detailed information at: www.kaercher.com/dealersearch

The illustration of the description of the device show the device with the best possible equipment (WD 4 P S / KWD 4 P S).

Depending on the model selected, there are differences in the equipment. The specific equipment is described on the device packaging.

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1. Suction hose connection
2. Turn switch
3. Device socket
4. Blowing function
5. Carrying handle
6. Parking position handle / accessory holder
7. Storage area
8. Cable hook
9. Hose storage (both sides)
10. Container closure
11. Filter box with unlocking button
12. Rating plate with technical data (e.g. container size)
13. Mains connection with mains plug
14. Parking position for floor nozzle
15. Accessory storage
16. Steering roller
17. Filter bag
18. Flat pleated filter
19. Removable handle
20. Suction hose with connection piece
21. Suction tubes 2 x 0.5 m
22. Crevice nozzle
23. Floor nozzle
24. ** Adapter for connecting power tools

** optional

1. Before initial startup, remove the contents from the container and mount the steering rollers.

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   Note

   For versions with stainless steel tubes, remove the protective cover before initial startup.

1. Fully unfold the filter bag.

2. Attach the filter bag to the device connection and press it on firmly.

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3. Fit and lock the device head.

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   Note

   We recommend using a filter bag to vacuum fine dust.

1. Connect the suction hose.

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2. Connect the suction hose to the handle.

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   Note

   For convenient vacuuming in confined spaces, the handle can be removed, and the accessories plugged directly onto the suction hose.

   To release the handle, the grey areas on both sides of the handle must be pressed, and the handle pulled from the hose.

3. Install the floor nozzle.

   • Install the insert in the floor nozzle.

   • Connect the floor nozzle to the suction pipes.

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1. Plug the mains plug into the socket.

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Devices without a socket

2. Set the trigger into the desired position.

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   • Position "1 ON": The suction / blower function is activated.

   • Position "0 OFF": The device is switched off.

Devices with a socket

3. Set the trigger into the desired position.

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   • Position "1 ON": The suction / blower function is activated.

   • Position : When the power tool is connected, the suction is activated automatically.

   • Position "0 OFF": The device is switched off.

     Note

     As long as the device is supplied with power, the device socket can be used as a power source.

     Note

     Limited for Switzerland only: The socket outlet shall only be used during operation in dry condition.

1. Connect the suction hose.

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2. If necessary, adjust the adapter to the connection diameter of the power tool using a suitable tool.

3. Put the adapter on the handle of the suction hose.

4. Mount the suction hose with the adapter on the power tool.

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5. Plug the mains plug of the power tool into the device socket.

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6. Set the trigger to .

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   The suction is activated automatically.

The blower function can be used to clean areas that are difficult to reach or where vacuuming is not possible, e.g. leaves in a gravel bed.

• Insert the suction hose into the blower connection. The blower function is now activated.

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1. Set the trigger to "0 OFF".

   The device is switched off.

2. Variant 1: Place the handle of the suction hose in the intermediate parking position.

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   Variant 2: Attach the floor nozzle in the parking position.

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1. Set the trigger to "0 OFF".

   The device is switched off.

2. Pull out the mains plug.

3. Remove the device head.

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4. Empty the container.

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5. Storage possibility:

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   Note

   The suction hose can be wrapped around the device head and attached to the device head with the help of the hose collar.

6. Store the device in a dry and frost-proof room.

• Clean the device and plastic accessory parts with a commonly available plastic cleaner.

• Rinse the container and accessories with water, as necessary, and dry them before further use.

1. Unlock the filter box and fold it out.

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2. Remove the filter box.

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3. Empty the filter box into a waste container. In the case of heavy soiling, tap the filter box against the edge of the waste container. The flat pleated filter does not have to be removed from the filter box.

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If necessary, clean the flat pleated filter separately.

4. To do this, remove the flat pleated filter from the filter box.

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5. Clean the flat pleated filter under running water. Do not rub or brush off.

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6. Allow the flat pleated filter to dry completely before reusing.

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   Note

   We recommend cleaning the flat pleated filter after each use.

Malfunctions often have simple causes that you can remedy yourself using the following overview. When in doubt, or in the case of malfunctions not mentioned here, please contact your authorised Customer Service.

• Declining suction performance 

Cause:

Accessories, the suction hose or the suction tubes are clogged.

Remedy:

• Remove the clog with a suitable aid.

Cause:

The filter bag is full

Remedy:

• Replace the filter bag.

Cause:

The flat pleated filter is dirty.

Remedy:

• Clean the flat pleated filter (see Chapter Clean the filter box / flat pleated filter).

Cause:

The flat pleated filter is damaged.

Remedy:

• Replace the flat pleated filter.

• WD 4, WD 4 S, KWD 4, KWD 4 S 

• WD 4 P, WD 4 P S, KWD 4 P, KWD 4 P S