LogoK 7 PowerK 7 Premium Power
  • Safety instructions
    • Hazard levels
    • Operation
    • Protective gear
    • Risk of electric shock
    • Operation with detergent
    • Care and service
    • Transportation
    • General safety instructions
  • Environmental protection
  • Intended use
  • Accessories and spare parts
  • Scope of delivery
  • Device description
  • Safety devices
    • Power switch
    • High-pressure gun lock
    • Auto-stop function
    • Motor circuit breaker
  • Symbols on the device
  • Installation
    • Mounting the accessory net
    • Push the high-pressure hose through the hose guide
    • Installing the water connection coupling
  • Initial startup
  • Operation
    • High-pressure operation
    • Operation with detergent
      • Recommended cleaning method
      • After operation with detergent
    • Interrupting operation
    • Ending operation
  • Transport
    • Pulling device
    • 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
  • Troubleshooting guide
    • Device not running

    • The device does not start up, the motor buzzes

    • Device does not reach required pressure

    • Strong pressure fluctuations

    • Device leaking

    • Detergent is not sucked in
  • Warranty
  • Technical data
    • K 7 Power Flex
    • K 7 Premium Power Flex
  • EU Declaration of Conformity

      K 7 Power
      K 7 Premium Power

      59795530 (12/24)

      Safety instructions

      Read this safety chapter and these original instructions before using the device for the first time. Act in accordance with them. Keep the original instructions 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.

      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.

      Operation

      DANGER

      Operation in explosive atmospheres is prohibited.

      DANGER

      Never suction solvents, liquids containing solvents or undiluted acids. This includes e.g. petrol, paint thinner or heating oil. The spray mist is highly flammable, explosive and poisonous.

      DANGER

      Damaged wheels / tyre valves are extremely dangerous. Damaged wheels / tyre valves can be damaged by the high-pressure jet and explode. The first sign of this is discolouration of the tyres. Keep a spray distance of at least 30 cm when cleaning the wheels / tyre valves.

      WARNING

      Do not use the device if people without the proper protective clothing are in its reach.

      WARNING

      Do not aim the high-pressure jet at yourself, e.g. to clean clothes or shoes.

      WARNING

      Do not direct the high-pressure jet at persons, animals, live electrical equipment or at the device itself.

      WARNING

      Do not spray any objects which contain harmful substances (e.g. asbestos).

      WARNING

      Check the device and the accessories, such as the high-pressure hose, high-pressure gun and safety devices, to make sure they are in proper safe and reliable condition before each operation. Do not use the device if it is damaged. Replace damaged components immediately.

      WARNING

      Only use high-pressure hoses, control panels and couplings specified by the manufacturer.

      WARNING

      Risk of scalding. When disconnecting the supply or high-pressure hose, hot water can leak out of the connections after operation.

      CAUTION

      According to the applicable regulations, the appliance may never be used with the drinking water network without a system separator. Ensure that the connection to your house water system, with which the high-pressure cleaner is operated, is equipped with a system separator according to EN 12729 type BA.

      CAUTION

      Water that has flowed through a system separator is no longer classified as drinkable.

      CAUTION

      Never leave the device unsupervised while it is in operation.

      CAUTION

      Recoil force from the water stream emerging at the high-pressure nozzle acts on the high-pressure gun. Keep proper footing and hold the high-pressure gun and spray lance firmly.

      CAUTION

      Accidents or damage due to the device falling over. Before all actions with or on the device, you must make sure that it is stable.

      ATTENTION

      Do not operate the device at temperatures below 0 °C.

      Protective gear

      CAUTION

      Wear suitable protective clothing and safety goggles to protect yourself from water or dirt backsplash.

      CAUTION

      Aerosols can be formed when using high-pressure cleaners. Inhaling aerosols can be harmful for your health. Depending on the application, the use of fully shielded nozzles (e.g. surface cleaners) can significantly lower the emission of aqueous aerosols. Depending on the environment to be cleaned, wear a suitable respiratory protective mask of class FFP 2 or comparable to protect yourself from inhaling aerosols if the use of a fully shielded nozzle is not possible.

      Risk of electric shock

      DANGER

      Only connect protection class I devices to properly earthed power sources.

      DANGER

      Only connect the device to alternating current. The voltage indicated on the type plate must match the voltage of the power source.

      DANGER

      Only operate the device via a fault current protection switch (maximum 30 mA).

      DANGER

      Never touch the mains plug and socket with wet hands.

      DANGER

      The mains plug and coupling of the extension cable must be water tight and may not be placed in water. The coupling may not be on the floor. Use cable drums to ensure that the sockets are at least 60 mm above the floor.

      DANGER

      All live parts in the work area must be protected against water jets.

      WARNING

      Only connect the device to an electrical connection which has been set up by a qualified electrician as per IEC 60364‑1.

      WARNING

      Check that the mains connection cable with mains plug is undamaged each time before using the device. To avoid any possible danger, a damaged mains connection cable must be immediately replaced by the manufacturer, or the authorised customer service department or a qualified electrician.

      WARNING

      Do not damage the power supply and extension cable by running over it, crushing or yanking it or similar. Protect the power supply cable from heat, oil and sharp edges.

      WARNING

      Unsuitable electrical extension cables are dangerous. Only use approved and appropriately marked electrical extension cables with a sufficient line cross section when outdoors: 1‑10 m : 1.5 mm2, 10‑30 m : 2.5 mm2

      CAUTION

      Always fully unwind the extension cable from the cable drum.

      CAUTION

      In case of longer breaks in operation and after use, switch off the device at the main switch / device switch and pull the mains plug.

      Operation with detergent

      WARNING

      Incorrect use of detergents can cause serious injuries or poisoning.

      CAUTION

      Keep the detergent out of the reach of children.

      CAUTION

      Only use the detergents supplied or specified by the manufacturer. The use of other detergents or chemicals can impair the safety of the device.

      Care and service

      WARNING

      Always pull out the mains plug before all care and maintenance work.

      CAUTION

      Have repair work and work on electrical components carried out by the authorised customer service only.

      ATTENTION

      Do not use acetone, undiluted acids or solvents, as they corrode the materials used on the device.

      Transportation

      CAUTION

      Risk of accidents and injuries. Take into account the weight of the device for transportation and storage. See chapter Technical data in the operating instructions.

      General safety instructions

      DANGER

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

      WARNING

      Only use the device for its proper use. Take into account the local conditions and beware of third parties, in particular children, when working with the device.

      WARNING

      Persons with reduced physical, sensory or mental capabilities and persons lacking experience and knowledge may only use the appliance if they are properly supervised, have been instructed on use of the appliance safely by a person responsible for their safety, and understand the resultant hazards involved.

      WARNING

      Children must not operate the device.

      WARNING

      Children must be supervised to prevent them from playing with the appliance.

      CAUTION

      Safety devices are provided for your own protection. Never modify or bypass safety devices.

      Environmental protection

      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 producing in oily waste water, e.g. washing engines, washing undercarriages etc., may only be performed at washing stations with an oil separator.

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

      Extraction of water from public waterways is not permitted in some countries.

      Notes on the content materials (REACH)

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

      Intended use

      Use the high-pressure cleaner in private households only.

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

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

      Device description

      The maximum amount of equipment is described in these operating instructions. Depending on the model used, there are differences in the scope of delivery (see packaging).



      1. Stand with carrying handle
      2. Water connection with built-in strainer
      3. Transport wheel
      4. Hose guide
      5. Trigger "0/OFF" / "I/ON"
      6. Storage for spray lances
      7. High-pressure hose
      8. *Plug 'n' Clean detergent bottle
      9. Storage / parking position for high-pressure gun
      10. Transport handle, extendable
      11. Spray lance dirt blaster for stubborn soiling
      12. Vario Power spray lance for common cleaning tasksThe working pressure can be continuously increased from "SOFT" to "HARD". To adjust the working pressure, release the trigger gun lever and turn the spray lance to the desired position. Detergent can be added to the water jet when the spray lance is turned all the way in the SOFT direction.
      13. High-pressure gun
      14. Button for separating the high-pressure hose from the high-pressure gun
      15. High-pressure gun lever
      16. High-pressure gun lock
      17. Carrying handle
      18. Hose switch
      19. High pressure hose reel
      20. Crank handle for hose reel
      21. Type plate
      22. Accessory compartment
      23. Hook for net attachment
      24. Mesh for accessory compartment
      25. Mains connection cable with mains plug
      26. Coupling for the water connection
      27. *Garden hose (fabric reinforced, diameter at least 1/2 inch (13 mm), length at least 7.5 m, with commercially available quick coupling)
      28. *KÄRCHER suction hose for water supply from open containers (order no. 2.643-100)

      * additionally required

      Safety devices

      WARNING

      Danger of injury!

      Serious injuries due to missing, modified or ineffective safety devices.

      Do not bypass or remove the safety devices and do not render them ineffective. Safety devices are provided for your own protection.

      Power switch

      The power switch prevents unintentional operation of the device.

      High-pressure gun lock

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

      Auto-stop function

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

      Motor circuit breaker

      The motor circuit breaker shuts off the device if power consumption it too high.

      Symbols on the device

      Do not aim the high-pressure jet may at persons, animals, live electrical equipment or the device itself.
      Protect the device against frost.
      The device may not be connected to the public drinking water network.

      Installation

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

      Have the included screws and the appropriate screwdriver ready.

      Mounting the accessory net

      1. Hang the accessory net on the hooks.


      Push the high-pressure hose through the hose guide

      1. Insert the high-pressure hose through the hose guide from the rear.


      Installing the water connection coupling

      1. Screw the water connection coupling onto the water connection on the device.


      Initial startup

      1. Place the device on a level surface.

      2. Completely unwind the high-pressure.

      3. Pull the high-pressure hose completely forward through the hose guide and eliminate any loops and twists.

      4. Insert the high-pressure hose into the high-pressure gun until it audibly clicks into place.

        Note

        Take care to ensure the correct alignment of the nipple.


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

      6. Plug the mains plug into a mains socket.

      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.Do not clean car tyres, paint or sensitive surfaces such as wood with the dirt blaster.
      1. Insert a spray lance into the high-pressure gun and lock it by turning it 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

      A Plug ‘n’ Clean detergent bottle is required for operating with detergent. KÄRCHER detergents can be purchased ready for use in a Plug 'n' Clean detergent bottle.

      Note

      Detergents may only be added at low pressure.

      1. Remove the lid from the Plug 'n' Clean detergent bottle.

      2. Press the detergent bottle into the Plug 'n' Clean detergent connection with the opening facing downwards.


      3. Use the Vario Power spray lance.

      4. Turn the spray lance all the way into the "SOFT" position.

        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. Flush the device with clear 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. Set the high-pressure gun with the spray lance in the parking position.

      4. 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.

      CAUTION

      Risk of scalding!

      Scalding due to hot water escaping after operation, when disconnecting the garden hose or high-pressure hose.

      Wear suitable protective gloves.After operation, allow the device to cool down before disconnecting the garden hose or high-pressure hose.
      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 or damage due to the weight of the device!

      Injury and damage.

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

      Pulling device

      1. Pull out the transport handle until it audibly engages.

      2. Pull the device by the transport handle.

      Carrying the device

      1. Lift and carry the device by the carrying handles.

      Transporting the device in a vehicle

      1. Before horizontal transport, pull the Plug 'n' Clean detergent bottle out of the holder and close it with the lid.

      2. Secure the device against shifting and tipping.

      Storage

      CAUTION

      Risk of injury or damage due to the weight of the device!

      Injury and damage.

      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 from the high-pressure gun.

      3. Press the separation button on the high-pressure gun and disconnect the high-pressure hose from the high-pressure gun.

      4. Without a hose reel: Store the high-pressure hose on the device.

      5. ATTENTION

        Damage to the high-pressure hose

        Damage to the high-pressure hose through incorrect direction of rotation

        Observe the correct direction of rotation of the hose reel when winding on the hose.

        With a hose reel: Use the crank handle to turn the hose reel counterclockwise and wind up the high-pressure hose.

      6. Stow the mains connection and accessories on the device.

      7. Put both spray lances into the storage for the spray lance:

        1. Spray lance dirt grinder: Nozzle downwards

        2. Spray lance Vario Power: Nozzle upwards

      Before prolonged storage, observe additional instructions, see chapter Care and service.

      Frost protection

      ATTENTION

      Danger of frost

      Incompletely emptied devices can be destroyed by frost.

      Completely empty the device and accessories.Protect the device from frost.

      The following must be met:

      • The device is disconnected from the water supply.

      • The high-pressure gun is separated from the high-pressure hose.

      1. Switch on the device “I/ON”.

      2. Wait a maximum of 1 minute until no more water comes out of the high-pressure hose.

      3. Switch off the device.

      4. Store the device with all accessories in a frost-proof room.

      Care and service

      DANGER

      Danger of electric shock

      Injuries due to touching live parts

      Switch off the device.Remove the mains plug.

      The device is maintenance-free, i.e. you do not need to perform any 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.

      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 not running 

      • The device does not start up, the motor buzzes 

      • Device does not reach required pressure 

      • Strong pressure fluctuations 

      • Device leaking 

      • Detergent is not sucked in 

      Device not running

      Remedy:

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

        The device switches on.

      2. Check that the voltage specified on the type plate corresponds to the voltage of the power source.

      3. Check the mains connection cable for damage.

      4. If the motor is overloaded and the motor circuit breaker has triggered:

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

        2. Allow the device to cool down for 1 hour.

        3. Switch the device on "I/ON" and resume operation.

        Have the device checked by Customer Service if this fault occurs repeatedly.

      The device does not start up, the motor buzzes

      Cause:

      Voltage drop due to a weak mains grid or when using an extension cable

      Remedy:

      1. When switching on, first press the lever on the high-pressure gun and then switch on the device "I/ON".

      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.

      3. Check the setting at the spray lance.

      4. Check that the maximum suction height is not exceeded.

      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 a connected spray lance for a maximum of 2 minutes.

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

        3. Connect the spray lance.

      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. The device leaks a small amount for technical reasons. If the leak is severe, request authorised Customer Service.

      Detergent is not sucked in

      Remedy:

      1. Use the Vario Power spray lance and turn it to "MIX".

      2. Check that the Plug 'n' Clean detergent bottle is seated in the connection for the detergent with the opening facing down.

      Warranty

      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".

      Technical data

      • K 7 Power Flex 

      • K 7 Premium Power Flex 

      K 7 Power Flex

      Electrical connection
      Voltage
      230-240 V
      Phase
      1 ~
      Frequency
      50 Hz
      Maximum permissible mains grid impedance
      0,394 +j0,246 Ω
      Power rating
      2,8 kW
      Protection type
      IPX5
      Protection class
      I
      Power protection (slow-blowing)
      13 A
      Water connection
      Feed pressure (max.)
      1,2 MPa
      Input temperature (max.)
      60 °C
      Input amount (min.)
      12 l/min
      Suction height (max.)
      0,5 m
      Device performance data
      Operating pressure
      14,5 MPa
      Max. permissible pressure
      18 MPa
      Water flow rate
      8 l/min
      Maximum flow rate
      9,2 l/min
      Detergent flow rate
      0,3 l/min
      High-pressure gun recoil force
      23 N
      Dimensions and weights
      Typical operating weight
      19,2 kg
      Length
      458 mm
      Width
      330 mm
      Height
      669 mm
      Determined values in acc. with EN 60335-2-79
      Hand-arm vibration value
      <2,5 m/s2
      Uncertainty K
      0,6 m/s2
      Sound level LpA
      78 dB(A)
      Uncertainty KpA
      3 dB(A)
      Sound power level LWA+ Uncertainty KWA
      94 dB(A)

      K 7 Premium Power Flex

      Electrical connection
      Voltage
      230-240 V
      Phase
      1 ~
      Frequency
      50 Hz
      Maximum permissible mains grid impedance
      0,394 +j0,246 Ω
      Power rating
      2,8 kW
      Protection type
      IPX5
      Protection class
      I
      Power protection (slow-blowing)
      13 A
      Water connection
      Feed pressure (max.)
      1,2 MPa
      Input temperature (max.)
      60 °C
      Input amount (min.)
      12 l/min
      Suction height (max.)
      0,5 m
      Device performance data
      Operating pressure
      14,5 MPa
      Max. permissible pressure
      18 MPa
      Water flow rate
      8 l/min
      Maximum flow rate
      9,2 l/min
      Detergent flow rate
      0,3 l/min
      High-pressure gun recoil force
      23 N
      Dimensions and weights
      Typical operating weight
      19,6 kg
      Length
      459 mm
      Width
      330 mm
      Height
      669 mm
      Determined values in acc. with EN 60335-2-79
      Hand-arm vibration value
      <2,5 m/s2
      Uncertainty K
      0,6 m/s2
      Sound level LpA
      78 dB(A)
      Uncertainty KpA
      3 dB(A)
      Sound power level LWA+ Uncertainty KWA
      94 dB(A)

      EU Declaration of Conformity

      We hereby declare that the machine described below complies with the relevant basic safety and health requirements in the EU Directives, both in its basic design and construction as well as in the version placed in circulation by us. This declaration is invalidated by any changes made to the machine that are not approved by us.

      Product: High-pressure cleaner

      Type: 1.317-xxx

      Currently applicable EU Directives

      2006/42/EC (+2009/127/EC)

      2014/30/EU

      2011/65/EU

      2000/14/EC

      2009/125/EC

      Commission Regulation(s)

      (EU) 2019/1781

      Harmonised standards used

      EN 60335-1

      EN 60335-2-79

      EN 62233: 2008

      EN 55014-1: 2017 + A11: 2020

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

      EN 61000-3-2: 2014

      EN 61000-3-11: 2000

      EN IEC 63000: 2018

      Applied conformity evaluation method

      2000/14/EG: Annex V

      Sound power level dB(A)

      Measured: 93

      Guaranteed: 96

      The signatories act on behalf of and with the authority of the company management.


      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, 2022/10/01

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