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.

Place the screws provided and matching screwdriver at the ready.

Fit the supplied loose parts onto the device before starting up 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. Pull the spring cotter out of the left and right bolts.

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2. Remove the washer from the left and right bolts.

3. Pull the left and right bolts out of the device frame.

4. Pull the ring and put the handle on the device frame.

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5. Release the ring and engage the locking pin in the mounting hole on the handle.

6. Push the left and right bolts through from the outside.

7. Slide the washer onto the left and right bolts.

8. Install the spring cotter on the left and right bolts.

1. Install the high pressure gun holder on the side of the handle with the M5x38 screws, washers and M5 stop nuts.

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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. Check high-pressure pump oil level and correct it if necessary, see Check/correct the high-pressure pump oil level (before every engine start).

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, or twists.

2. Pull back the ring on the high-pressure hose coupling.

3. Push the high-pressure hose spigot into the high-pressure hose coupling as far as it will go and release the ring.

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4. Pull back the ring on the high-pressure gun coupling.

5. Push the high-pressure gun spigot into the high-pressure gun coupling as far as it will go and release the ring.

   Note

   Removal is performed in the reverse sequence.

1. ATTENTION

   Risk of damage due to point or rotating jet!

   When using a jet nozzle with a point jet or rotary jet, there is a risk of damage to sensitive surfaces!

   Do not use the jet nozzles with point jets or rotary jets for soft, sensitive or painted surfaces, vehicles, façades, wood etc.

   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.

• Red jet nozzle, 0° jet angle, point jet

  For the most stubborn soiling and work with maximum 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 fully.

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. Before starting the motor, always check the high-pressure pump oil level and correct it if necessary, see Check/correct the high-pressure pump oil level (before every engine start).

2. Open the water tap completely.

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

4. 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.

5. Release the trigger when the engine is running.

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

7. 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. Install the black jet nozzle (SOAP) on the spray lance, see Replacing the jet nozzle.

2. Pull off the cap on the detergent tank.

3. Fill the detergent tank with a detergent suitable for the cleaning task.

4. Attach the lid to the detergent tank.

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

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

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

8. Rinse off loose dirt.

1. ATTENTION

   Risk of damage due to dried detergent!

   Dried detergent can damage the device.

   Rinse the device after each use of detergent.

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

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

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

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 from the high-pressure hose coupling, see Installing the high-pressure hose.

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

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

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8. Hook the high-pressure gun into 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, fold down the handle, see Folding 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 from the high-pressure hose coupling and the high-pressure gun, see Installing 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, fold down the handle, see Folding 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. Pull the ring to release the locking pin from the locating hole on the handle.

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4. Fold the handle forward and release the ring.

5. Fold the handle forward until the locking pin engages in the locating hole on the handle.

   Note

   The handle is raised in the same way as it is folded.

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.

ATTENTION

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

Operating the high-pressure pump with unsuitable oil or too high or too low of an oil level can lead to increased wear and damage.

Only fill with oil that meets the specification.Make sure that the oil level is always in the designated range.

Checking the condition of the high-pressure pump oil

1. Stop the engine, see engine operating instructions.

2. Place the device in a horizontal position.

3. ATTENTION

   Risk of damage due to contamination or unsuitable oil!

   Contaminated or unsuitable oil can damage the high-pressure pump.

   Only operate the device with clean oil that meets the stated specification.

   Check the condition of the high pressure pump oil through the oil sight glass:

   1. If the high-pressure pump oil is contaminated, change the high-pressure pump oil, see Changing high-pressure pump oil (after 20 h, then every 50 h).

   2. If the high-pressure pump oil is milky, there is water in the oil. Do not start up the device! Contact Kärcher Service.

Checking the high-pressure pump oil level

4. WARNING

   Risk of scalding from hot oil!

   The high-pressure pump oil can be very hot and cause scalding.

   Allow the device to cool down before draining the high-pressure pump oil.

   Read the high-pressure pump oil level on the oil sight glass.

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   Note

   The high-pressure pump oil level must be in the middle of the sight glass (red dot).

   If the high-pressure pump oil level is too low, fill new oil into the high-pressure pump crankcase.

   If the high-pressure pump oil level is too high, drain the oil at the crankcase of the high-pressure pump, see Changing high-pressure pump oil (after 20 h, then every 50 h).

Correcting the high-pressure pump oil level

5. Clean the crankcase ventilation valve and the surrounding area with a clean cloth.

6. Unscrew the crankcase ventilation valve.

7. Place the funnel in the oil filler opening and fill with new oil until the high-pressure pump oil level is centred at the level of the red dot. Observe the oil specifications, see Technical data.

   Do not overfill, drain off excess oil and dispose of it in an environmentally friendly manner in accordance with local regulations.

8. Check the sealing ring for damage and correct fit on the crankcase ventilation valve, replace the sealing ring if necessary or fit it correctly.

9. Screw in the crankcase ventilation valve and hand-tighten.

10. Wash your hands thoroughly with soap and water after each contact with oil.

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.

1. Depressurize the device, see Depressurising the device.

2. Remove the high-pressure hose from the high-pressure hose coupling and the high-pressure gun, see Installing the high-pressure hose.

3. Replace the sealing rings on the high pressure hose coupling and on the high pressure gun coupling.

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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.

1. ATTENTION

   Risk of damage when draining the high-pressure pump oil!

   Draining the oil during operation damages the high-pressure pump.

   Do not unscrew the oil drain screw while the device is in operation.

   Stop the motor, see motor operating instructions.

2. WARNING

   Risk of scalding from hot oil!

   The high-pressure pump oil can be very hot and cause scalding.

   Allow the device to cool down before draining the high-pressure pump oil.

   Allow the device to cool down.

3. Place a suitable container (oil-resistant, capacity min. 0.5 l) under the oil drain screw.

4. Unscrew the oil drain screw counter-clockwise using a ring or socket spanner with a spanner size of 17 mm.

5. Allow the high-pressure pump oil to drain completely.

6. Replace the sealing ring on the oil drain screw.

7. Turn the oil drain screw clockwise and tighten it.

   Tightening torque: 15 Nm.

8. Filling new oil, see Check/correct the high-pressure pump oil level (before every engine start).

9. Dispose of the old oil in accordance with the environmental and local regulations.

10. Wash your hands thoroughly with soap and water after each contact with oil.

1. WARNING

   Risk of injury and damage due to incorrect tyre pressure!

   Incorrect tyre pressure can cause the tyre to burst. A burst tyre can cause injuries.

   Check the tyre pressure regularly and set it correctly.Observe the max. tyre pressure indicated on the tyre.

   Check the tyre pressure and correct it if necessary, see Technical data.

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 ring of the high-pressure hose coupling or the high-pressure gun coupling is damaged or worn.

Remedy:

1. Replace the sealing ring on the high-pressure hose coupling or the high-pressure gun coupling, see Replacing the sealing rings on the high-pressure hose coupling, high-pressure gun coupling 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 coupling, high-pressure gun coupling 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.

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".