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.

Use this high-pressure cleaner only for the following types of work:

Use the high-pressure jet for cleaning machines, vehicles, buildings, tools and similar objects.

We recommend using a rotary nozzle as a special accessory for stubborn soiling.

The HD...Plus is supplied with a rotary nozzle.

• pH value: 6.5...9.5

• Electrical conductivity: Conductivity of fresh water + 1200 µS/cm, maximum conductivity 2000 µS/cm

• Settleable particles (sample volume 1 l, settling time 30 minutes): < 0.5 mg/l

• Filterable particles: < 50 mg/l, no abrasive substances

• Hydrocarbons: < 20 mg/l

• Chloride: < 300 mg/l

• Sulphate: < 240 mg/l

• Calcium: < 200 mg/l

• Total hardness: < 28 °dH, < 50° TH, < 500 ppm (mg CaCO₃/l)

• Iron: < 0.5 mg/l

• Manganese: < 0.05 mg/l

• Copper: < 2 mg/l

• Active chloride: < 0.3 mg/l

• Free of unpleasant odours

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

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

• It is essential that you read the safety instructions 5.951-949.0 before initial start-up.

• Observe the national regulations for liquid jet cleaners.

• Observe the national accident prevention regulations. Liquid jet cleaners must be tested regularly. The test result must be recorded in writing.

• Do not modify the device or accessories.

• *Determine the maximum permissible system impedance Zmax 0.025 Ω in the equipment instruction manual and instruct the users to determine in consultation with the supply authority, if necessary, that the equipment is connected only to a supply of that impedance or less.

The safety lock on the high-pressure gun prevents the device from being switched on inadvertently.

If the high-pressure gun is closed, the overflow valve opens and the entire water volume will flow back to the pump suction side.

The overflow valve is set by the manufacturer and sealed. Setting shall only be carried out by Customer Service.

1. Check the contents of the package when unpacking.

2. Notify the dealer immediately in the case of shipping damage.

• Control elements for the cleaning process are yellow.

1. Insert the push handle into the machine.

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2. Use fasteners to fix the holes of the lower part of the machine and the hose reel.

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3. Secure the higher part of the machine and the hose reel with latches. Secure the latches with fasteners.

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1. Fix the nozzle onto spray lance with screw connection part.

2. Connect the spray lance to the trigger gun.

3. Connect high pressure hose to water outlet and trigger gun.

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4. Connect the adapter to the water inlet.

According to applicable regulations, the device must never be used with the drinking water network without a system separator. Use a system separator from KÄRCHER or a system separator as per EN 12729 Type BA. Water that has flowed through a system separator is classified as undrinkable. Always connect the system separator to the water supply and never directly to the water connection on the device.

1. Check the feed pressure, input temperature and input amount of the water supply. See the "Technical data" section for the requirements.

2. Connect the system separator and water connection of the device with a hose (minimum length 7.5 m, minimum diameter 1”).

   The supply hose is not included in the scope of delivery.

3. Open the water inlet.

1. Screw the suction hose (order number 4.440-207.0) and filter (order number 4.730-012.0) onto the water connection.

2. Vent the device.

1. Unscrew the nozzle from the spray lance.

2. Allow the device to run until the escaping water is free of air bubbles.

3. In the case of venting problems, allow the device to run for 10 seconds and then switch it off. Repeat the procedure several times.

4. Switch off the device.

5. Screw the nozzle back in place.

See the type plate or technical data for the connection values.

1. Unwind the mains cable and place it on the ground.

2. Plug the mains plug into the socket.

1. Open the water supply.

2. Set the power switch to "I".

3. Open the safety lock of the high-pressure gun.

4. Aim the high-pressure gun at the object to be cleaned.

5. Open the high-pressure gun and start the cleaning operation.

KÄRCHER detergents ensure fault-free operation. Please feel free to request a consultation, our catalogue or our detergent information sheets.

1. Fill the detergent into the container of the foam lance. (Follow the dosage instructions on the detergent bottle.)

1. Spray the detergent sparingly on the dry surface and let it work for a while (do not let it dry).

2. Rinse off the loosened dirt with the high-pressure jet.

1. Release the trigger and the device will switch off.

2. Pull the trigger and the device will switch on again.

1. Close off the water inlet.

2. Open the high-pressure gun.

3. Set the power switch to "I" and allow the device to run for 5 to 10 seconds.

4. Close the high-pressure gun.

5. Turn the power switch to "0/OFF".

6. Pull the mains plug out of the socket only when your hands are dry.

7. Disconnect the water inlet.

8. Open the high-pressure gun until the device is completely depressurised.

9. Push the safety lock forward to lock the trigger gun.

If frost-free storage is not possible:

1. Drain the water.

2. Pump commonly available anti-freeze through the device.

3. Allow the device for run for a maximum of 1 minute until the pump and lines are empty.

1. Push the push handle down and pull or push the appliance.

2. When transporting in vehicles, secure the appliance according to the guidelines from slipping and tripping over.

1. Store the device indoors only.

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

1. Check the power cable for damage and have a damaged cable replaced immediately by the authorised Customer Service or a qualified electrician.

2. Check the high-pressure hose for damage and replace a damaged high-pressure hose immediately.

3. Check the device for leaks. 3 drops of water per minute are permissible. Contact Customer Service in the case of more serious leaks.

1. Clean the sieve in the water connection.

1. Unscrew water filter.

2. Pull out and clean the sieve.

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3. Put the sieve in its place.

4. Screw water filter.

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1. Have the device maintained by Customer Service.

2. Changing oil.

1. Unscrew oil drain and fill plug.

2. Drain the oil in a collection basin.

3. Wait until the oil has drained completely.

4. Screw the oil drain plug and tighten it. Torque 7...12Nm.

5. Fill in new oil slowly and air bubbles should go out. The oil level must be at the center of the oil level window.

6. Screw the oil fill plug and tighten it. Torque 7...12Nm.

• Device does not start 

• Device does not reach required pressure 

• Pump leakingUp to 3 drops of water per minute are permissible. 

• Pump knocking 

• Detergent dosing volume too low 

Remedy:

• Check the power cable for damage.

• Check the mains voltage.

• If the device overheats:

  1. Set the power switch to "0".

  2. Allow the device to cool for at least 15 minutes.

  3. Set the power switch to "1".

• Reset power switch.

• Contact Customer Service in the case of electrical faults.

Remedy:

• Check the size of the nozzle and compare with the required size specified in the "Technical data" section.

• Vent the device, see section "Venting the device".

• Clean the sieve in the water connection.

• Check the water supply volume and compare with the required volume specified in the "Technical data" section.

• Clean the nozzle.

• Contact Customer Service if necessary.

Remedy:

• In case of more serious leaks, have the device checked by Customer Service.

Remedy:

• Check the water supply line for leaks.

• Vent the device, see section "Venting the device".

• Contact Customer Service if necessary.

Remedy:

• Refill the foam nozzle cup.

• Plug a larger blender onto the suction hose.

• Check the suction hose and foam nozzle for detergent deposits. Remove deposits using lukewarm water.

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 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".

• HD 6/15-4 MX Plus Classic 

• HD 9/20-4 MX Plus Classic 

We hereby declare that the product described below complies with the relevant provisions of the following UK Regulations, both in its basic design and construction as well as in the version put into circulation by us. This declaration shall cease to be valid if the product is modified without our prior approval.

Product: High-pressure cleaner

Type: 1.367-xxx

S.I. 2008/1597 (as amended)

S.I. 2012/3032 (as amended)

S.I. 2016/1091 (as amended)

S.I. 2001/1701 (as amended)

S.I. 2010/2617 (as amended)

(EU) 2019/1781

EN 60335-1

EN 60335-2-79

EN IEC 63000: 2018

EN 55014-1: 2017 + A11: 2020

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

EN 61000-3-2: 2014

EN 61000-3-3: 2013

EN 62233: 2008

-

S.I. 2001/1701 (as amended): Schedule 8

HD 6/15-4 MX Plus Classic

Measured: 89

Guaranteed: 91

HD 9/20-4 MX Plus Classic

Measured: 88

Guaranteed: 91

Measured:

Guaranteed:

Measured:

Guaranteed:

Measured:

Guaranteed:

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, /11/01