KARCHER K2 Premium Power Control high pressure cleaner User Guide

: June 5, 2024
: Karcher

KARCHER K2 Premium Power Control high-pressure cleaner

KARCHER-K2
-Premium-Power-Control-high-pressure-cleaner-PRODUCT

General notes

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.

KÄRCHER Home & Garden app
The KÄRCHER Home & Garden app contains:

Installation and initial startup information
Information about the areas of application
Tips & Tricks
FAQ with detailed troubleshooting
Connection to the KÄRCHER Service Centre

The app can be downloaded here:

Trademarks

Google Play™ and Android™ are trademarks or registered trademarks of Google Inc.
Apple® and App store® are trademarks or registered trademarks of Apple Inc.

Environmental protection

The packing materials can be recycled. Please dispose of the packaging in accordance with the environmental regulations. Electrical and electronic appliances 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 appliance. Appliances marked by this symbol are not allowed to be disposed of together with the household rubbish. Cleaning work producing oily wastewater, e.g. washing engines, washing undercarriage, 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 wastewater sewage system. Do not allow detergent to enter waterways or the soil. 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 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.

Description of the device

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).
For the illustrations, refer to the graphics page Illustration A KARCHER-K2
-Premium-Power-Control-high-pressure-cleaner-FIG-1

Transport wheel
Storage for spray lance
Storage / parking position for high-pressure gun
Power Control spray lance dirt grinder for stubborn dirt, pressure level: HARD
Click-Vario Power Power Control spray lance for the most common cleaning tasks, pressure levels: HARD / MEDIUM / SOFT / MIX
Power Control high-pressure gun
Clamp for connecting/disconnecting the high-pressure hose
High-pressure gun lever
High-pressure gun lock
Trigger “0/OFF” / “I/ON”
Mains connection with mains plug
Storage hook for the power cord
Carrying handle
Transport handle, telescoping
Quick coupling for high-pressure hose
Type plate
High-pressure hose
Detergent suction hose with detergent filter and cap
Detergent tank
Water connection with integrated sieve
Water connection coupling
Garden hose with commonly available coupling

Fabric reinforced
Diameter of at least 1/2 inch (13 mm)
Length at least 7.5 m

Washing brush, suitable for working with detergents
Foam nozzle for powerful detergent foam
Detergent container

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 prevents the 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.

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 directly connected to the public drinking water network.

Assembly

For the illustrations, refer to the graphics page. Fit the supplied loose parts onto the device before starting up the device.

Fitting the wheels

Fasten and secure the wheels to the device. Illustration B
Installing the handles
Attach the transport handle.
Attach the carrying handle. Illustration C

Close the detergent tank

Close the detergent tank with the cover. Illustration D

Installing the water connection coupling

Screw the water connection coupling onto the water connection on the device. Illustration E

Initial startup

Place the device on a flat and level surface.
Insert the high-pressure hose into the quick coupling until it audibly latches into place. Illustration F
Press the clamp for the high-pressure hose together and pull out of the high-pressure gun. Illustration G
Insert the high-pressure hose into the high-pressure gun.
Press the clip in until it latches into place.
Check for a secure connection by pulling on the high-pressure hose.
Plug the mains plug into a mains socket.

Water supply

For the connection values, see the type plate or chapter Technical data.
Observe the water distribution company regulations.

ATTENTION

Damage through contaminated water Contamination in the water can damage the pump and the accessories. KÄRCHER recommends using the KÄRCHER water filter for protection(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.

Plug the garden hose onto the water connection coupling.
Connect the garden hose to the water line.
Open the water tap fully. Illustration H

Operation

ATTENTION

Pump running dry

Damage to the device.
If pressure does not build up in the device after 2 minutes then switch the device off and proceed according to the instructions in the chapter Troubleshooting guide.

Power Control System

Note

The sensitivity of materials can vary greatly depending on age and condition. The recommendations are therefore not binding.

Display	Pressure level	Recommended for e.g.
__	HARD	Stone terraces made of paving stones or washed concrete, asphalt,

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 tires, paint, or sensitive surfaces such as wood with the dirt grinder.

Insert a spray lance into the high-pressure gun and lock it by turning it 90°. Illustration I
Switch the device on (“I/ON”).
Unlock the lever of the high-pressure gun.
Press the lever of the high-pressure gun.
The device switches on.

Operation with a washing brush

ATTENTION

Paint damage

Damage to surfaces through a dirty brush.
Ensure that the washing brush is free from dirt or other particles before using it.

Note: The device operates at low pressure when using washing brushes. This means that detergent can be mixed with the water.

Insert the washing brush into the high-pressure gun and turn by 90° to fasten it.

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: Detergent can only be mixed into the jet at low pressure. KÄRCHER detergents ensure fault-free operation. Ask us for a consultation, and request our catalog or our detergent information sheets.

Fill the detergent solution into the detergent tank. Adhere to the dosage specifications on the detergent container. Illustration J
Close the detergent tank with the cover. Illustration D
Latch the detergent tank in the device.
Use the Click-Vario Power spray lance.
Turn the spray lance to “MIX”.
The detergent solution is mixed with the water jet during operation.
You can optionally use the foam nozzle.
Connect the foam nozzle to the detergent bottle. Illustration K
Insert the foam nozzle into the high-pressure gun and turn by 90° to fasten it.

Recommended cleaning method

Spray the detergent sparingly on the dry surface and let it work for a while (do not let it dry).
Rinse off the loosened dirt with the high-pressure jet.

After operation with detergent

Flush the device with clear water for approx. 30 seconds.

Interrupting operation

Release the lever of the high-pressure gun.
The device switches off when the lever is released.
The high pressure in the system is retained.
Lock the lever of the high-pressure gun. Illustration L
Place the high-pressure gun with the spray lance in the parking position.
Switch the device off “0/OFF” during work breaks longer than 5 minutes.

Ending operation

CAUTION

Pressure in the system

Injuries from high-pressure water escaping uncontrollably Only disconnect the high-pressure hose from the high-pressure gun or the device when the system is fully depressurised.

Release the lever of the high-pressure gun.
Close the water tap.
Press the lever of the high-pressure gun for 30 seconds.
The pressure remaining in the system is discharged.
Release the lever of the high-pressure gun.
Lock the lever of the high-pressure gun.
Disconnect the device from the water supply.
Switch off the device “0/OFF”.
Pull the mains plug out of the socket

Transport

CAUTION

Failure to observe the weight

Risk of injury and damage
Be aware of the weight of the device during transportation.

Carrying the device

Lift up the device by the carrying handle, and carry it.

Pulling the device

Pull the transport handle out until it audibly latches into place.
Pull the device via the transport handle.

Transporting the device in a vehicle

Drain the detergent tank.
Secure the device against slipping and tipping over

Storage

CAUTION

Failure to observe the weight

Risk of injury and damage
Be aware of the weight of the device during storage.

Storing the device

Place the device on a level surface.
Disconnect the spray lance from the high-pressure gun.
Disconnect the high-pressure gun from the high-pressure hose.
Disconnect the high-pressure hose from the device.
Store the high-pressure hose on the device.
Store the mains connection cable and accessories on the device.
Observe the additional notes before storing the device for a long period of time, 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 requirements must be satisfied:

The device is disconnected from the water supply.
The high-pressure hose is removed.

Switch the device on “I/ON”.
Wait for a maximum of 1 minute until no more water escapes from the high-pressure connection.
Switch off the device.
Store the device in a frost-protected room, together with all accessories.

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

Damaged sieve in the water connection
Damage to the device through contaminated water Check the sieve for damage before inserting it in the water connection.

If necessary, clean the sieve in the water connection.

Remove the water connection coupling.
Pull the sieve out using flat pliers.
Clean the sieve under running water. Illustration M
Insert the sieve into the water connection.

Clean the detergent filter
Clean the detergent filter before longer periods of storage.

Pull the filter off the detergent suction hose.
Clean the filter under running water. Illustration N

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

The danger of electric shock

Injuries due to touching live parts Switch off the device.
Remove the mains plug.

Device not running

Press the lever of the high-pressure gun.

The device switches on

Check that the voltage specified on the type plate corresponds to the voltage of the power source.
Check the mains connection cable for damage.

The device does not reach the required pressure

The water supply is too low

Open the water tap fully.
Check the water inlet for an adequate flow rate.

The sieve in the water connection is dirty

Pull the sieve in the water connection out using flat pliers.
Clean the sieve under running water.

Air is in the device

Vent the device:
Switch on the device without a connected spray lance for a maximum of 2 minutes.
Press the high-pressure gun and wait until the water escaping from the high-pressure gun is free of air bubbles.
Connect the spray lance.

Strong pressure fluctuations

Clean the high-pressure nozzle:
Use a needle to remove dirt from the nozzle drill.
Rinse the high-pressure nozzle from the front with water.
Check the water supply volume.

Device leaking

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

Detergent is not sucked in

Use the Click-Vario Power spray lance and turn it to “MIX”.
Clean the filter on the detergent suction hose.
Check the detergent suction hose for kinks.

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

Technical data

KARCHER-K2-Premium-Power-Control-high-pressure-cleaner-
FIG-20

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.