LogoK 1
  • General notes
  • Customer Service
    • Registration
    • Warranty
    • USA Customer Service
    • Canada Customer Service
    • Mexico Customer Service
  • SAFETY INSTRUCTIONS
    • Hazard levels
    • IMPORTANT SAFETY INSTRUCTIONS
    • GROUND FAULT CIRCUIT INTERRUPTER PROTECTION
    • SERVICING OF A DOUBLE-INSULATED PRODUCT
    • WATER SUPPLY (cold water only)
  • Owner/User Responsibility
  • Safety devices
    • Power switch
    • High-pressure gun lock
    • Auto-stop function
  • Symbols on the device
  • Intended use
  • Accessories and spare parts
  • Scope of delivery
  • Device description
  • Mounting
    • Installing the handle
    • Mounting the coupling for the water connection
  • Initial startup
    • Water supply
      • Connection to the water line
  • Operation
    • High-pressure operation
      • Operation with detergent
      • Recommended cleaning method
      • After operation with detergent
    • Interrupting operation
    • Ending operation
  • Transport
    • Carrying the device
    • Transporting the device in a vehicle
  • Storage
    • Storing the device
    • Frost protection
  • Care and service
    • Clean the sieve in the water connection
    • Cleaning the detergent filter
  • Troubleshooting guide
    • Device is not running

    • Device does not reach required pressure

    • Strong pressure fluctuations

    • Device leaking

    • Detergent is not sucked in
  • Technical data

      K 1

      59802850 (06/24)

      General notes

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

      Keep the original operating instructions for future reference or for future owners.

      Customer Service

      Registration

      Your device must be registered in order to help with any questions or issues that you have. You can register your device at www.karcher-register.com if located in the U.S.A., www.karcher.com/ca if located in Canada, or www.karcher.com/mx if located in Mexico.

      Warranty

      In the case of a warranty claim, you can contact customer support. Please see the contact information listed below for either the USA, Canada or Mexico. You MUST provide your proof of purchase in order to file a warranty claim either via e-mail, phone or fax.

      USA Customer Service

      You can contact our Customer Service department by phone at 1-800-537-4129 or via the website at www.karcher-help.com.

      Canada Customer Service

      You can contact our Customer Service department by phone at 1-800-465-4980 or via the website at www.karcher.com/ca/support.

      Mexico Customer Service

      You can contact our Customer Service department by phone at 01-800-024-1313 or via the website at www.karcher.com/mx.

      SAFETY INSTRUCTIONS

      Hazard levels

      DANGER

      Indication of an imminent threat of danger that will lead to severe injuries or even death.

      WARNING

      Indication of a potentially dangerous situation that may lead to severe injuries or even death.

      CAUTION

      Indication of a potentially dangerous situation that may lead to minor injuries.

      ATTENTION

      Indication of a potentially dangerous situation that may lead to damage to property.

      IMPORTANT SAFETY INSTRUCTIONS

      DANGER

      Risk of asphyxiation. Keep packaging film out of the reach of children.

      DANGER

      Operation in explosive atmospheres is prohibited.

      WARNING

      When using this product basic precautions should always be followed, including the following:

      WARNING

      Read all the instructions before using the product.

      WARNING

      High pressure cleaners must not be used by children or untrained personnel.

      WARNING

      This decice is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the device by a person responsible for their safety.

      WARNING

      Children should be supervised by a responsible person to ensure that they do not play with the device.

      WARNING

      To reduce the risk of injury, close supervision is necessary when a product is used near children.

      WARNING

      Know how to stop the product and bleed pressures quickly. Be thoroughly familiar with the controls.

      WARNING

      Stay alert, watch what you are doing and use common sense when operating the product.

      WARNING

      Do not operate the product when fatigued or under the influence of drugs, alcohol or medication.

      WARNING

      Keep children and bystanders away while operating the product. Distractions can cause you to lose control.

      WARNING

      Do not overreach or stand on unstable support. Keep proper footing and balance at all times.This enables better control of the product in unexpected situations.

      WARNING

      Follow the maintenance instructions specified in the manual.

      WARNING

      This product is provided with a Class A Ground Fault Circuit Interrupter built into the power cord plug. If replacement of the plug or cord is needed, use only identical replacement parts that include Class A GFCI protection.

      WARNING

      Do not use the device if a supply cord or important parts of the machine are damaged, e.g. safety devices, high pressure hoses, trigger gun.

      WARNING

      This device is capable of producing high pressure (values see Technical data). To avoid rupture and injury, do not operate this device with components rated less than these values (including but not limited to spray guns, hose and hose connections).

      WARNING

      If connection is made to a potable water system, the system has to be protected against back flow.

      WARNING

      Water that has flowed through a back-flow preventer is considered to be non-potable.

      WARNING

      Risk of injection or injury – Do not direct discharge stream at persons or animals.

      WARNING

      High-pressure jets can be dangerous if misused. The jet must not be directed at persons, animals, electrical devices, or the product itself.

      WARNING

      The high-pressure jet must not be directed at other persons or the user him-/herself to clean clothing or footwear.

      WARNING

      High-pressure hoses, fixtures and couplings are important for the safety of the product. Only use high-pressure hoses, fixtures and couplings recommended by the manufacturer.

      WARNING

      Risk of eye injury – Spray can splash back or propel objects. Always wear properly rated eye protection such as safety goggles or face shield while spraying. (Safety glasses do not provide full protection.)

      WARNING

      During use of high pressure cleaners, aerosols may be formed. Inhalation of aerosols can be hazardous to health.

      WARNING

      Depending on the application, shielded nozzles can be used for high pressure cleaning, which will reduce the emission of hydrous aerosols dramatically. However, not all applications allow the use of such a device. If shielded nozzles are not applicable for the protection against aerosols, a respiratory mask of class FFP 2 or equivalent may be needed, depending on the cleaning environment.

      WARNING

      Before servicing or cleaning the product or removing any parts, shut off power, pull out the power plug and relieve pressure.

      WARNING

      Risk of explosion – Do not spray flammable liquids.

      WARNING

      Do not use acids, alkaline, solvents or any flammable or toxic liquids or material in this device. These products can cause physical injuries to the operator and irreversible damage to the device.

      WARNING

      Risk of electrocution – Inspect cord before using. Do not use if cord is damaged.Immediately have damaged cord replaced by an authorized customer service / electrician.

      WARNING

      Keep all connections dry and off the ground.

      WARNING

      Do not touch plug with wet hands.

      WARNING

      Do not spray electrical apparatus and wiring.

      WARNING

      Do not use extension cord with this product.

      WARNING

      Connect to individual branch circuit only.

      CAUTION

      Gun kicks back – Hold with both hands. The emitted water jet results in a repulsionpower acting on the high pressure gun. Make sure that you have a firm footing and are also holding the high pressure gun andspray lance firmly.

      CAUTION

      The trigger gun safety lock prevents the spray from accidentally being engaged. This safety feature DOES NOT lock spray in the ON position.

      ATTENTION

      This device has been designed for use with cleaning detergents recommended by the manufacturer. The use of other cleaning detergents may affect the operation of the device and void the warranty.

      GROUND FAULT CIRCUIT INTERRUPTER PROTECTION

      This electric pressure washer is equipped with a Class A ground-fault circuit-interrupter (GFCI) built into the plug of the power supply cord. This device provides additional protection from the risk of electric shock.

      The Consumer Product Safety Commission recommends that you test all GFCI's once a month. Since the frequency of pressure washer use varies, we recommend that you test the GFCI as part of your startup procedure each time you use your pressure washer. It might need to be reset before working with the pressure washer. To learn how to perform the GFCI test and how to reset it, visit http://www.karcher-help.com and search for GFCI for further instructions.

      DO NOT USE IF GFCI FAILS TEST.


      NOTE: The actual appearance of the GFCI may be different from this illustration.

      SERVICING OF A DOUBLE-INSULATED PRODUCT

      In a double-insulated product, two systemsof insulation are provided instead of grounding. No grounding means is provided on a double-insulated product, nor should a means for grounding be added to the product. Servicing a double-insulated product requires extreme care and knowledge of the system, and should be done only by qualified service personnel. Replacement parts for a double-insulated product must be identical to the parts they replace.A double-insulated product is marked with the words “DOUBLE INSULATION” or “DOUBLE INSULATED”. The symbol “” may also be marked on the product.

      WATER SUPPLY (cold water only)

      CAUTION

      When connecting the water inlet with the water supply mains, local regulations of your water company must be observed.

      In some areas the unit must not be connected directly to the public drinking water supply. This is to ensure that there is no feedback of chemicals into the water supply.

      Direct connection via a receiver tank or back-flow preventer, for example, is permitted.
      • Dirt in the feed water will damage the unit. To avoid this risk, we recommend fitting a water filter.

      • Never use the pressure washer to draw in water contaminated with solvents, e.g. paint thinners, gasoline, oil etc.

      • Always prevent debris from being drawn into the unit by using a clean water source.

      Owner/User Responsibility

      The owner and/or user must have an understanding of the manufacturer’s operating instructions and warnings before using this pressure washer.

      Warning information should be emphasized and understood.

      If the operator is not fluent in English, the manufacturer’s instructions and warnings shall be read to and discussed with the operator in the operator’s native language by the purchaser/owner, making sure that the operator comprehends its contents.

      Owner and/or user must study and maintain the manufacturers’ instructions for future reference.

      Safety devices

      CAUTION

      Missing or modified safety devices

      Safety devices are provided for your own protection.

      Never modify or bypass safety devices.

      Power switch

      The power switch stops you from operating the device unintentionally.

      High-pressure gun lock

      The lock blocks the lever of the high-pressure gun and prevents the device from starting unintentionally.

      Auto-stop function

      If the lever on the high-pressure gun is released, the pressure switch switches the pump off and the high-pressure jet stops. If the lever is pressed, the pump switches on again.

      Symbols on the device

      Do not point the high-pressure jet at people, animals, live electrical equipment or at the device itself.
      Protect the device from frost.

      Intended use

      For home use only!

      The high-pressure cleaner is designed for cleaning machines, vehicles, structures, tools, facades, terraces, garden tools, etc. with high-pressure water streams.

      Accessories and spare parts

      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.

      Scope of delivery

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

      Device description


      1. Garden hose connector
      2. Coupling for water connection
      3. Water connection with integrated sieve
      4. Mains connection cable with mains plug
      5. Suction hose for detergent
      6. Storage for spray lance
      7. Carrying handle
      8. Spray lance with high-pressure nozzle for normal cleaning tasks
      9. Spray lance extension
      10. High-pressure gun lever
      11. Clamp for connecting / disconnecting the high-pressure hose
      12. High-pressure gun
      13. High-pressure gun lock
      14. High-pressure hose
      15. Power switch "0/OFF" / "I/ON"
      16. High-pressure connection
      17. Type plate
      18. * Garden hose (fabric-reinforced,
        diameter at least 1/2 inch (13 mm),
        length at least 7.5 m)

      * additionally required

      Mounting

      Fit the supplied loose parts onto the device before starting up the device.

      Installing the handle

      1. Fit the carrying handle so that it latches into place.


      Mounting the coupling for the water connection

      1. Screw the coupling for the water connection onto the water connection of the device.


      Initial startup

      1. Place the device on a level surface.

      2. Unwind the high-pressure hose and release any loops or twists.

      3. Connect the high-pressure hose to the device.

        1. Pull up the clamp on the coupling.

        2. Insert the high-pressure gun into the coupling.

        3. Press down the clamp on the coupling.


      4. Connect the high-pressure hose to the high-pressure gun.

        1. Squeeze the clamp together.

        2. Pull out the clamp.

        3. Plug in the high-pressure hose.

        4. Press in the clamp until it clicks into place.


      5. Check the secure connections by pulling on the high-pressure hose.

      6. Insert the mains plug into an outlet.

      Water supply

      For connected loads, see type plate or chapter (→).

      Observe the instructions of the water supply company.

      ATTENTION

      Damage due to contaminated water

      Contaminated water can damage the pump and accessories.

      For protection, KÄRCHER recommends the use of the KÄRCHER water filter (special accessory, order number 4.730-059).

      Connection to the water line

      ATTENTION

      Hose coupling with aquastop on the water connection of the device

      Damage to the pump

      Never use a hose coupling with aquastop on the water connection of the device.You can use an aquastop coupling on the tap.
      1. Fit the supplied hose connector to the end of your garden hose.

      2. Attach the garden hose to the coupling for the water connection.

      3. Connect the garden hose to the water line.

      4. Open the water tap completely.


      Operation

      ATTENTION

      Risk of damage!

      Damaging the pump during dry running.

      Switch off the device if it does not build up pressure within 2 minutes. Proceed according to the instructions in chapter Troubleshooting guide.

      High-pressure operation

      ATTENTION

      Damage to painted or sensitive surfaces

      Surfaces can be damaged when the jet is too close to the surface or an unsuitable spray lance is used.

      Maintain a minimum spray distance of 30 cm when cleaning painted surfaces.
      1. Connect the high-pressure gun to the spray lances.

        1. Insert the spray lance extension into the high-pressure gun.

        2. Fix by turning 90°.

        3. Insert the spray lance with the high-pressure nozzle into the spray lance extension.

        4. Fix by turning 90°.


      2. Switch the device on ("I/ON").

      3. Unlock the lever of the high-pressure gun.

      4. Press the lever of the high-pressure gun.

        The device switches on.

      Operation with detergent

      DANGER

      Failure to adhere to the safety data sheet

      Incorrect handling of the detergent can seriously damage your health

      Observe the safety data sheet of the detergent manufacturer, in particular the instructions on personal protective equipment.

      Note

      KÄRCHER Detergent guarantee trouble-free work. Please seek advice or request our Catalogue or our Detergent information sheets.

      Note

      Detergent can only be mixed into the jet at low pressure.

      1. Pull the suction hose for the detergent out of the casing to the required length.

      2. Hang the detergent suction hose in a container with detergent solution.


      3. Separate the spray lance with the high-pressure nozzle from the spray lance extension and only work with the spray lance extension installed.

        The detergent solution is mixed with the water jet during operation.

      Recommended cleaning method

      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.

      After operation with detergent

      1. Rinse the device with clean water for approx. 30 seconds.

      Interrupting operation

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

        When the lever is released, the device switches off. The high-pressure in the system is maintained.

      2. Lock the lever of the high-pressure gun.


      3. For work breaks longer than 5 minutes, switch off the device "0/OFF".

      Ending operation

      CAUTION

      Danger of injury!

      Injuries due to uncontrolled water escaping under high pressure.

      Only disconnect the high-pressure hose from the high-pressure gun or the device if there is no pressure in the system.
      1. Release the lever of the high-pressure gun.

      2. Close the water tap.

      3. Press the lever of the high-pressure gun for 30 seconds.

        The pressure in the system is released.

      4. Release the lever of the high-pressure gun.

      5. Lock the lever of the high-pressure gun.

      6. Switch off the device "0/OFF".

      7. Disconnect the device from the water supply.

      8. Pull the mains plug out of the outlet.

      Transport

      CAUTION

      Risk of injury and damage!

      Injury or damage due to non-observance of the weight.

      Be aware of the weight of the device during transport and storage.

      Carrying the device

      1. Lift the device by the carrying handle and carry it.

      Transporting the device in a vehicle

      1. Secure the device against shifting and tipping.

      Storage

      CAUTION

      Risk of injury and damage!

      Injury or damage due to non-observance of the weight.

      Be aware of the weight of the device during transport and storage.

      Storing the device

      1. Place the device on a level surface.

      2. Disconnect the spray lance with the high-pressure nozzle from the spray lance extension.

      3. Disconnect the spray lance extension from the high-pressure gun.

      4. Store the spray lance and the spray lance extension in the appropriate storage.

      5. Disconnect the high-pressure hose from the device.

      6. Disconnect the high-pressure hose from the high-pressure gun.

      7. Stow the high-pressure hose and the high-pressure gun on the device.

      8. Stow away the mains connection on the device.

      Observe additional information before long-term Storage, see chapter Care and Service.

      Frost protection

      ATTENTION

      Risk of damage!

      Damage to the device and accessories due to freezing water.

      Completely empty the device and accessories after each use.Protect the device and accessories from temperatures below or equal to 0 °C (32 °F).
      1. Disconnect the water supply from the device.

      2. Remove the high-pressure hose from the device.

      3. Switch the device on ("I/ON").

      4. Wait for a maximum of 1 minute until no more water escapes from the high-pressure connection.

      5. Switch off the device ("0/OFF").

      6. Store the device and accessories in a frost-protected room.

      Care and service

      DANGER

      Risk of electric shock

      Injuries due to touching live parts

      Switch off the device.Remove the mains plug.

      The device is maintenance-free, so it is not necessary to carry out regular maintenance work.

      Clean the sieve in the water connection

      ATTENTION

      Risk of damage!

      Damage to the sieve due to improper cleaning.

      Clean the sieve only under running water against its flow direction.Do not use sharp or hard objectse.g. needles or wire brushes.

      ATTENTION

      Risk of damage!

      Damage to the device and accessories when operating without a sieve or with a damaged sieve.

      Check the sieve for damage before inserting it into the water connection. Replace a damaged sieve immediately.Do not operate the device without a sieve.

      Clean the sieve in the water connection if necessary.

      1. Unscrew the coupling on the water connection.

      2. Pull out the sieve.


      3. Clean the sieve under running water.

      4. Insert the sieve into the water connection.

      Cleaning the detergent filter

      Clean the detergent filter before prolonged storage.

      1. Remove the filter from the detergent suction hose.

      2. Clean the filter under running water.


      Troubleshooting guide

      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 authorized Customer Service.

      DANGER

      Danger of death!

      Fatal injuries due to electric shock when touching live parts.

      Do not touch any live parts.Switch off the device.Pull the mains plug out of the mains socket.
      • Device is not running 

      • Device does not reach required pressure 

      • Strong pressure fluctuations 

      • Device leaking 

      • Detergent is not sucked in 

      Device is not running

      Remedy:

      1. Press the lever of the high-pressure gun.

        The device switches on.

      2. Check if the voltage specified on the type plate matches the voltage of the power source.

      3. Check the mains connection for damage.

      Device does not reach required pressure

      Cause:

      The water supply is too low.

      Remedy:

      1. Open the water tap fully.

      2. Check the water inlet for an adequate flow rate.

      Cause:

      The sieve in the water connection is dirty.

      Remedy:

      1. Pull the sieve in the water connection out using flat pliers.

      2. Clean the sieve under running water.


      Cause:

      Air is in the device.

      Remedy:

      1. Vent the device:

        1. Switch on the device without the spray lance with high-pressure nozzle for a maximum of 2 minutes.

        2. Press the lever of the high-pressure gun and wait until the water escaping from the spray lance extension is free of air bubbles.

        3. Connect the spray lance with the high pressure nozzle.

      Strong pressure fluctuations

      Remedy:

      1. Cleaning the high-pressure nozzle:

        1. Remove contamination from the nozzle drill with a needle.

        2. Rinse the high-pressure nozzle with water from the front.

      2. Check the water supply volume.

      Device leaking

      Remedy:

      1. A slight leakage in the device is due to technical reasons. In case of severe leakage, contact an authorized Customer Service center.

      Detergent is not sucked in

      Remedy:

      1. Separate the spray lance with the high-pressure nozzle from the spray lance extension and only work with the spray lance extension mounted.

      2. Clean the filter on the detergent suction hose.

      3. Check the detergent suction hose for kinks.

      Technical data

        

      Electrical connection
      Voltage
      120 V
      Phase
      1 ~
      Frequency
      60 Hz
      Connection output
      1,49 kW
      Protection class
      IPX5
      Protection class
      II
      Water connection
      Feed pressure (max.)
      1,2
      175 MPa
      psi
      Input temperature (max.)
      40
      104 °C
      °F
      Input amount (min.)
      7
      1.8 l/min
      gpm
      Device performance data
      Operating pressure
      10 MPa
      Max. pressure
      11,7
      1700 MPa
      psi
      Water flow rate
      4,7 l/min
      Maximum flow rate
      5,5
      1.45 l/min
      gpm
      Detergent flow rate
      0,3
      0.08 l/min
      gpm
      Hand-arm vibration value
      1,8 m/s2
      Uncertainty K
      0,7 m/s2
      Sound pressure level LpA
      77 dB(A)
      Uncertainty KpA
      3 dB(A)
      Dimensions and weights
      Typical operating weight
      5,3 kg
      Length
      188 mm
      Width
      206 mm
      Height
      445 mm
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