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English

Danger

Turn off the appliance and remove the mains 
plug prior to any care and maintenance work.

The appliance is maintenance-free.

Prior to longer periods of storage, e.g. in the 
winter:

Î

Completely drain all water from the appli-
ance: Switch the appliance on with de-
tached high-pressure hose and detached 
water supply (max. 1 minute) and wait, un-
til no more water exits at the high-pressure 
connection. Turn off the appliance.

Î

Remove filter from suction hose for deter-
gent and clean under running water.

Î

Pull out the sieve in the water connection 
using flat-nose pliers and clean under run-
ning water.

Caution

Protect the appliance and its accessories 
against frost.

The appliance and its accessories can get de-
stroyed through frost if there are any water 
residues in them. To avoid damage to them:

Î

Store the appliance and the entire acces-
sories in a frost-safe room.

Use only original Kärcher spare parts. You will 
find a list of spare parts at the end of these op-
erating instructions.

You can rectify minor faults yourself with the 
help of the following overview. 
If in doubt, please consult the authorized cus-
tomer service.

Danger

Turn off the appliance and remove the mains 
plug prior to any care and maintenance work.
Repair works may only be performed by the 
authorized customer service.

Î

Check whether the voltage indicated on 
the type plate corresponds to the voltage 
of the mains supply.

Î

Check the mains connection cable for 
damages.

Î

Check setting at the spray lance.

Î

Appliance ventilation: Switch the appli-
ance on with the high-pressure hose de-
tached and operate until the water exits 
the high-pressure connection without bub-
bles. Switch off appliance and reconnect 
high-pressure hose.

Î

Check the water supply.

Î

Pull out the sieve in the water connection 

using flat-nose pliers and clean under run-
ning water.

Cause: Voltage reduction due to weak mains 
supply or when using an extension cable

.

Î

When switching on, first pull the lever of 
the trigger gun and then switch the appli-
ance switch to "I/ON".

Î

Clean high-pressure nozzle: Remove dirt 
and debris from the nozzle bore, using a 
needle and rinse through with water to-
wards the front.

Î

Check water flow quantity.

Î

Slight leakage from the appliance pump is 
normal. If the leakage increases contact 
the authorized customer service.

Î

Use spray lance with pressure regulation 
(Vario Power).
Turn the spray lance to "Mix" position.

Î

Clean filter at the detergent suction hose.

Î

Check the detergent suction hose for 
kinks.

Maintenance and care

Maintenance

Storage

Frost protection

Spare parts

Troubleshooting

Appliance is not running

Pressure does not build up in the appli-
ance

Appliance does not start, motor hums

Strong pressure fluctuations

Appliance is leaking

No detergent infeed

Summary of Contents for K 4

Page 1: ...Operating Instructions Before first use of the unit Please read these Opera ting Instructions and act in accordance with them K 4 5 962 638 0 11 07...

Page 2: ...2...

Page 3: ...ng appropriate collection systems The warranty terms published by our compe tent sales company are applicable in each country We will repair potential failures of your appliance within the warranty pe...

Page 4: ...safety or are instructed by these persons on the use of the device Children should be supervised in order to guarantee that they do not play with the device The operator must use the appliance properl...

Page 5: ...ions on Page 2 1 ON OFF switch for appliance 2 Power cable with plug 3 High pressure connection 4 High pressure hose 5 Trigger gun with safety catch 6 Connection for water supply with filter 7 Couplin...

Page 6: ...ssure connection without bubbles Turn off the appliance 0 OFF Caution Never operate the high pressure cleaner when the tap is turned off as dry running will damage the high pressure pump Figure L Conn...

Page 7: ...Release the lever on the trigger gun Turn off the appliance 0 OFF Turn off tap Detach the appliance from the water sup ply Press the lever on the trigger gun to re lease any remaining pressure in the...

Page 8: ...by the authorized customer service Check whether the voltage indicated on the type plate corresponds to the voltage of the mains supply Check the mains connection cable for damages Check setting at th...

Page 9: ...otection class IP X5 Water connection Max feed temperature 40 C Min feed volume 10 l min Max feed pressure 1 2 MPa Performance data Working pressure 12 MPa Max permissible pressure 14 MPa Max Suction...

Page 10: ...take all calls coming in In these circum stances we would ask that you try to contact us again later in the day The helpline number is 01295 752200 open from 8 30am to 5 00pm Monday to Friday It help...

Page 11: ...11...

Page 12: ......

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