Read these original operating instructions and the safety instructions of the engine before using the device for the first time. Act in accordance with them. Keep all 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 regulations applicable by law.

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

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.

Cleaning work that produces oily waste water, e.g. washing engines or undercarriages etc., may only be performed at washing stations with an oil separator.

Working with detergents may only be performed on watertight surfaces with a connection to the waste water sewage system. Do not allow detergent to enter waterways or the soil.

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

Use the high-pressure cleaner in private households only.

Never operate the device in confined spaces.

The device is intended for cleaning machines, vehicles, buildings, tools, façades, terraces, garden machines etc. using a high-pressure water jet.

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 power switch prevents unintentional operation of the device.

Locking the trigger:

1. Fold up the pawl on the trigger until it latches in the groove on the rear handle of the high-pressure gun.

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   The trigger is locked.

Unlocking the trigger:

2. Disengage the pawl from the groove on the rear handle of the high-pressure gun and fold it onto the trigger.

   The trigger is unlocked.

The thermostat valve opens when the maximum permissible water temperature is exceeded and discharges the hot water outdoors.

Have the screws provided and an appropriate screwdriver ready.

Install the supplied loose parts onto the device.

1. Position the wheel axle in the mount on the device frame as shown.

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2. Press the spring-loaded pin and push the wheel axle into the mount until the spring-loaded pin engages in the hole.

3. Install the second wheel in the same way.

1. Secure the handle on the device frame with the 2-thread screws and the star grip nuts.

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   Note

   Removal is performed in the reverse sequence.

1. Install the high pressure gun holder on the handle with the screw, snap ring and washer.

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1. Pull the cap out of the union nut on the water spigot.

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2. Remove the water sieve from the cap.

3. Carefully fit the water sieve into the union nut on the water spigot.

4. Screw the coupling plug into the union nut on the water spigot.

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5. Hold the square end of the coupling plug with an open-end wrench and hand-tighten the union nut.

   Note

   Removal is performed in the reverse sequence.

1. Screw the spray lance onto the high-pressure gun and hand-tighten the union nut.

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   Note

   Removal is performed in the reverse sequence.

1. ATTENTION

   Risk of damage due to unsuitable oil or incorrect oil level!

   Operating the engine with unsuitable oil or too high or too low an oil level can lead to increased wear and damage.

   Only fill with oil that complies with the specifications in the operating instructions for the engine.Ensure that the oil level is always within the designated range between the MIN and MAX marks.

   Fill the engine oil provided into the engine crankcase using the funnel, see the operating instructions for the engine.

Observe the safety instructions!

1. Before initial startup, read the operating instructions for the engine and observe the safety instructions in particular.

2. Check the general condition of the engine and attachments, see the engine operating instructions.

3. Check the engine oil level and correct if necessary, see the engine operating instructions.

1. Fill the fuel tank with suitable fuel, see the engine operating instructions.

1. Unwind the high-pressure hose completely and lay it out without knots, loops, twists or kinks.

2. Remove the cover on the high-pressure spigot.

3. Fit the high-pressure hose into the high-pressure spigot and hand-tighten the union nut.

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4. Fit the high-pressure hose into the high-pressure gun and hand-tighten the union nut.

   Note

   Removal is performed in the reverse sequence.

1. Select the jet nozzle suitable for the cleaning task.

Low-pressure jet:

• Black jet nozzle (SOAP)

  For applying detergents and working at low pressure.

High-pressure jet:

• White jet nozzle, 40° jet angle

  For light soiling on large surfaces and working at moderate pressure.

• Green jet nozzle, 25° jet angle

  For heavier soiling on large surfaces and working at high pressure.

• Yellow jet nozzle, 15° jet angle

  For stubborn soiling and working at very high pressure.

1. Mount a jet nozzle suitable for the cleaning task onto the spray lance, see Selecting the jet nozzle and Replacing the jet nozzle.

1. ATTENTION

   Risk of damage through contaminated water!

   Contamination in the water can damage the high-pressure pump and accessories.

   Operate the device only with clear fresh water without contamination or additives.Never use contaminated water, waste water or salt water.

   Check the pressure, temperature and quantity of the supply water for compliance with the requirements, see Technical data.

   Note

   Observe the water distribution company regulations.

1. Attach the coupling socket of the water hose to the coupling plug.

2. Connect the water hose to the water tap of the water line.

3. Open the water tap completely.

1. Open the water tap completely.

2. Remove the jet nozzle from the spray lance, see Replacing the jet nozzle.

3. Start the engine, see engine operating instructions.

4. Unlock the trigger of the high-pressure gun, see Trigger lock.

5. Press the trigger of the high-pressure gun until the water comes out of the spray lance without bubbles.

   The device is vented.

6. Release the trigger of the high-pressure gun.

7. Lock the trigger of the high-pressure gun, see Trigger lock.

8. Mount the jet nozzle on the spray lance, see Replacing the jet nozzle.

1. Open the water tap completely.

2. Unlock the trigger of the high-pressure gun, see Trigger lock.

3. Pull the trigger and start the engine, see the operating instructions for the engine.

   Note: The spray lance or the jet nozzle can be removed to facilitate the starting procedure, see Installing the spray lance on the high-pressure gun or Replacing the jet nozzle.

4. Release the trigger when the engine is running.

5. Lock the trigger of the high-pressure gun, see Trigger lock.

6. Let the cold engine warm up for approx. 30 sec.

1. Unlock the trigger of the high-pressure gun, see Trigger lock.

2. ATTENTION

   Risk of damage due to insufficient jet nozzle distance

   There is a risk of damage if the distance between the jet nozzle and sensitive or painted surfaces is too small!

   Always keep a sufficiently large spray distance from sensitive or painted surfaces.Do not remain in one area, but rather keep the high-pressure gun moving.Do not clean car tires, paint or delicate surfaces,e.g. wood, with the jet nozzle using a spot or rotary jet.First test the cleaning effect on an inconspicuous spot.

   Pull the trigger and carry out the cleaning process.

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   Note

   Guide the spray lance at an angle of approx. 45° to the surface to be cleaned.

   Keep a distance of approx. 15...20 cm (6"...8") between the jet nozzle and the surface to be cleaned.

   Regulate the high pressure according to the cleaning task by reducing or increasing the engine speed, see the operating instructions of the engine.

   Do not reduce the engine speed too much, otherwise the engine will stop.

1. Providing the detergent:

   1. Unwind the detergent suction hose completely and lay it out without knots, loops, twists or kinks.

   2. Submerge the detergent filter in a container with detergent.

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2. Install the black low pressure jet nozzle (SOAP) on the spray lance, see Replacing the jet nozzle.

3. Pull the trigger of the high-pressure gun and spray the detergent sparingly onto the dry surfaces.

4. Allow the detergent to act, but not to dry.

5. Replace the black jet nozzle (SOAP) with a jet nozzle suitable for the cleaning task, see Replacing the jet nozzle.

6. Rinse off loose dirt.

1. Remove the detergent filter from the container with detergent.

2. Replace the black jet nozzle (SOAP) on the spray lance with a high-pressure jet nozzle, see Replacing the jet nozzle.

3. Unlock the trigger of the high-pressure gun, see Trigger lock.

4. Press the trigger for 1 min to flush the detergent out of the device.

5. Wind up the detergent suction hose without knots, loops, twists or kinks and stow it on the device.

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1. DANGER

   Danger to life and risk of injury from the high-pressure water jet!

   A high-pressure water jet may be emitted from the pressurised device.

   Depressurise the device before releasing, removing or installing the high-pressure hose or the high-pressure gun.Lock the trigger of the high-pressure gun before releasing, removing or installing the jet nozzle or spray lance.

   Lock the trigger of the high-pressure gun, see Trigger lock.

2. Pull back the ring on the jet nozzle coupling and pull off the jet nozzle.

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3. Insert the desired jet nozzle into the jet nozzle coupling and release the ring on the jet nozzle coupling.

   Note

   Use the black jet nozzle (SOAP to add detergent or to work at low pressure.

4. Pull the jet nozzle to check that it is correctly seated. If necessary, fit the jet nozzle back into the jet nozzle coupling.

1. Release the trigger of the high-pressure gun.

   Note: The engine continues to run after releasing the trigger.

2. Lock the trigger of the high-pressure gun, see Trigger lock.

3. WARNING

   Danger of scalding when opening the thermostat valve!

   When the thermostat valve is opened, hot water escapes which can cause scalding.

   Do not bring any parts of your body near the outlet opening of the thermostat valve.Stop the engine of the device if interruptions in operation last longer than 1 min.

   Stop the engine if the interruption of operation lasts longer than 1 min, see the engine operating instructions.

1. Stop the engine, see engine operating instructions.

2. Pull the trigger of the high-pressure gun until the high pressure is completely released.

1. Close the water tap.

2. Depressurize the device, see Depressurising the device.

3. Lock the trigger of the high-pressure gun, see Trigger lock.

4. Remove the water hose at the coupling plug.

5. Remove the high-pressure hose at the high-pressure spigot, see Mounting the high-pressure hose.

6. Remove the high-pressure hose from the high-pressure gun, see Mounting the high-pressure hose.

7. Wind up the high-pressure hose and fasten it to with hook and loop strip.

8. Hang the high-pressure gun in the high-pressure gun holder.

9. Allow the device to cool down.

1. Grasp the handle and tilt the device backwards via the wheels by max. 45°.

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2. Pull or push the device by the handle.

1. If necessary, remove the handle, see Removing the handle.

2. Before transporting the device and accessories, stow or secure them so that they will not slip or be thrown around when accelerating, braking, cornering or in the event of an accident.

1. Close the water tap.

2. Remove the coupling socket of the water hose at the coupling plug.

3. Start the engine, see engine operating instructions.

4. Unlock the trigger of the high-pressure gun, see Trigger lock.

5. Operate the trigger lever for max. 1 min until the water is completely expelled from the device.

6. Stop the engine, see engine operating instructions.

7. Remove the high-pressure hose, see Mounting the high-pressure hose.

8. Allow the water to drain completely from the high-pressure hose and the high-pressure gun with spray lance.

9. Wind up the high-pressure hose and fasten it to the hook and loop strip.

10. Hang the high-pressure gun in the high-pressure gun holder.

11. Allow the device to cool down.

12. If necessary, remove the handle, see Removing the handle.

13. Store the device in a frost-protected room, together with all accessories.

1. Finish operation, see Ending operation.

2. Remove the high-pressure gun from the high-pressure gun holder.

3. Remove the handle on the device frame, see Installing the handle.

Timely and correctly performed maintenance is a prerequisite for the safety, economy and reliable, trouble-free operation of the device. This also helps to reduce environmental pollution.

1. Service the engine according to the instructions in the engine operating instructions.

1. Stop the engine, see engine operating instructions.

2. Close the water tap.

3. Remove the water hose at the coupling plug.

4. Remove the coupling plug on the water spigot, see Installing the coupling plug on the water spigot.

5. Remove the water sieve from the union nut on the water spigot.

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6. Clean the water sieve under running water.

7. Check the water sieve for damage and replace if necessary.

8. Fit the water sieve into the union nut on the water spigot.

9. Mount the coupling plug on the water spigot, see Installing the coupling plug on the water spigot.

1. Remove the jet nozzle from the spray lance, see Replacing the jet nozzle.

2. ATTENTION

   Risk of damage if the jet nozzle is not cleaned properly!

   There is a danger of damaging the nozzle geometry when cleaning the jet nozzle.

   Never insert the cleaning needle or other objects into the nozzle opening.Only apply the cleaning needle to the back of the jet nozzle.

   Insert the cleaning needle into the jet nozzle from the rear and loosen the dirt.

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3. Flush the jet nozzle with water from the front and rear.

4. Mount the jet nozzle on the spray lance, see Replacing the jet nozzle.

Clean the detergent filter regularly.

1. Remove the detergent filter from the detergent suction hose.

2. Clean the detergent filter under running water.

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1. Depressurize the device, see Depressurising the device.

2. Remove the high-pressure hose, see Mounting the high-pressure hose.

3. Replace the sealing rings on the connections of the high-pressure hose.

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4. Remove the spray lance from the high-pressure gun, see Installing the spray lance on the high-pressure gun.

5. Replace the sealing ring on the front connection of the high-pressure gun.

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.

• The engine does not start. 

• The engine has insufficient power. 

• High-pressure pump not building up pressure. 

• Strong pressure fluctuations. 

• Device leaking. 

• High-pressure hose or connections leaking. 

• The high-pressure pump knocks. 

• The detergent is not sucked in. 

Cause:

Various causes possible.

Remedy:

1. See the operating instructions of the engine.

Cause:

Various causes possible.

Remedy:

1. See the operating instructions of the engine.

Cause:

The engine speed is too low.

Remedy:

1. Check the operating speed of the engine and correct if necessary, see the operating instructions for the engine.

Cause:

The black jet nozzle (SOAP) is mounted on the spray lance.

Remedy:

1. Replace the black low pressure stream jet nozzle (SOAP) with a high-pressure jet nozzle, see Replacing the jet nozzle.

Cause:

The high-pressure jet nozzle is damaged, blocked or washed out.

Remedy:

1. Clean the high-pressure jet nozzle, see chapter Cleaning the jet nozzle (if required), or replace it.

Cause:

The water sieve is dirty.

Remedy:

1. Clean the device water sieve, see Clean water sieve (monthly).

Cause:

Air in the system.

Remedy:

1. Vent the device, see Vent the device.

Cause:

The water supply quantity is too low.

Remedy:

1. Open the water tap completely.

2. Check the water supply quantity and increase if necessary, see Technical data.

Cause:

Supply lines to high-pressure pump leaking or clogged.

Remedy:

1. Check the supply lines to the high-pressure pump for blockages, damage and leaks and replace if necessary.

Cause:

The jet nozzle is dirty.

Remedy:

1. Clean the jet nozzle, see Cleaning the jet nozzle (if required).

Cause:

The water supply quantity is too low.

Remedy:

1. Open the water tap completely.

2. Clean the device water sieve, see Clean water sieve (monthly).

3. Check the water supply quantity and increase if necessary, see Technical data.

Cause:

Minor leakage due to technical reasons.

Remedy:

1. Minor leakage of the device can occur due to technical reasons and is not a cause for concern.

Cause:

Major leakage.

Remedy:

1. Contact the authorised Customer Service.

Cause:

The high-pressure hose is damaged.

Remedy:

1. Shut the device down immediately and replace the high-pressure hose.

Cause:

The sealing rings of the high-pressure hose are damaged or worn.

Remedy:

1. Replace the sealing rings on the high-pressure hose, see Replacing the sealing rings on the high-pressure hose and high-pressure gun (if necessary).

Cause:

The high-pressure gun sealing ring is damaged or worn.

Remedy:

1. Replace the high-pressure gun sealing ring with a new one, see Replacing the sealing rings on the high-pressure hose and high-pressure gun (if necessary).

Cause:

The union nut on the water spigot is loose.

Remedy:

1. Hand-tighten the union nut on the water spigot with an open-end wrench, see Installing the coupling plug on the water spigot.

Cause:

The supply lines to the high-pressure pump are leaking.

Remedy:

1. Check the supply lines to the high-pressure pump for leaks and replace if necessary.

Cause:

Air in the system.

Remedy:

1. Vent the device, see Vent the device.

Cause:

A high-pressure jet nozzle is mounted on the spray lance.

Remedy:

1. Install the black low pressure stream jet nozzle (SOAP) on the spray lance, see Replacing the jet nozzle.

Cause:

The detergent suction hose is kinked, blocked or leaking.

Remedy:

1. If necessary, route the detergent suction hose without kinks, clean it or replace it.

Cause:

The detergent filter is blocked.

Remedy:

1. Clean the detergent filter, see Cleaning the detergent filter.

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 flaw is the cause. In a warranty case, please contact your dealer (with the purchase receipt) or the next authorised customer service site.

Further information can be found at: www.kaercher.com/dealersearch

Further warranty information (if available) can be found in the service area of your local Kärcher website under "Downloads".