KARCHER K4 Basic Pressure Washer Instruction Manual

: June 11, 2024
: Karcher

Table of Contents

K4 Basic Pressure Washer
Safety
Proper use
Environmental protection
Description of the Appliance
Operation
Storage
Care and maintenance
Troubleshooting
Warranty
Technical specifications
EU Declaration of Conformity
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

K4 Basic Pressure Washer
Instruction Manual

KARCHER K4 Basic Pressure Washer

K4 Basic Pressure Washer

Register your product
59672820 (11/17)
www.kaercher.com/welcom

KARCHER K4 Basic Pressure Washer - fig | KARCHER
K4 Basic Pressure Washer - fig1
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Safety

Please read these original operating instructions and the enclosed safety in- structions prior to the initial use of your device. Proceed accordingly. Keep both booklets for future reference or subsequent owners.
Symbols on the machine
The high pressure jet must not be directed at persons, animals, live electrical equipment or at the appliance itself. Protect the appliance against frost.
The appliance must not be directly connected to the public drinking water network.
Safety Devices
CAUTION

Safety installations serve the protection of the user and may not be modified or bypassed.

Appliance switch
The appliance switch prevents unintentional operation of the appliance.
Lock trigger gun
This lock locks the lever of the trigger gun and prevents the inadvertent start of the appliance.
Overflow valve with pressure switch
The overflow valve prevents the permissible working pressure from being exceeded. If the lever on the trigger gun is released the pressure switch turns off the pump, the high pressure jet is stopped. If the lever is pulled the pump is turned on again.
Motor protection switch
The motor protection switch switches off the device if the power consumption is high.

Proper use

This high pressure cleaner is designed for domestic use only.
– for cleaning machines, vehicles, buildings, tools, facades, terraces, gardening tools, etc. by means of a high-pressure water jet (if necessary, with ad- ditional cleaning agents).
– with accessories, replacement parts and cleaning agents approved by KÄRCHER. Please observe the information accompanying the cleaning agents.

Environmental protection

Notes about the ingredients (REACH)
You will find current information about the ingredients at: www.kaercher.com/REACH
The packaging material can be recycled. Please arrange for the environmentally appropriate disposal of the packaging.
Old appliances contain valuable recyclable materials that should be recycled properly. Please arrange for the environmentally appropriate disposal of the old devices.
Cleaning operations which produce oily waste water, e.g. engine washes, underbody washes, may only be carried out using washing stations equipped with an oil separator.
Work with detergents must only be performed on liquid-tight work surfaces with a connection to the sewer system. Do not let release detergent into waters or earth.
The extraction of water from public waters is prohibited in some countries.

Description of the Appliance

The scope of delivery of your appliance is illustrated on the packaging. Check the contents of the appliance for completeness when unpacking. In the event of missing accessories or any transport damage, please contact your dealer.
See fold-out page 3 for illustrations

Coupling element for water connection
Quick coupling for high pressure hose
Water connection with integrated sieve
Appliance switch „0/OFF“ / „I/ON“
Transport handle, detachable
Accessory net
Storage for accessories
Mains cable with mains plug
Detergent suction hose with filter
Bearing wheel
Trigger gun
Lock trigger gun
Key to detach the high pressure hose from the trigger gun
High pressure hose
Spray lance with Dirt blaster For strong contaminations. The 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. Suitable for use with detergents.
Spray lance with pressure regulation (Vario Power) Carrying out the most common cleaning tasks.
** Additionally required
Fabric-reinforced water hose with commercially available coupling.
– Minimum diameter, 1/2 inches (13 mm).
– Minimum length 7.5 m.

Before Startup
See fold-out page 4 for illustrations
Attaching the Accessories
Mount loose parts delivered with appliance prior to startup.
Install the transport handle
Illustration A

Place the transport handle into the intake until you feel resistance. Use the heel of your hand or a soft rubber mallet to position it.

Attach the accessories net
Illustration B

Hook the accessories net into the hooks shown in the illustration.

Connect the high pressure hose to the trigger gun
Illustration C

Push the high pressure hose into the trigger gun until it locks audibly.

Note: Make sure the connection nipple is aligned correctly. Check the secure connection by pulling on the high pressure hose.
Water supply
For connection values, see type plate/technical data.
ATTENTION
Impurities in the water can damage the high-pressure pump and the accessories. For protection, the use of the KÄRCHER water filter (optional accessory, order no. 4.730-059) is recommended.
Water supply from mains
Observe regulations of water supplier.
Illustration D

Screw the coupling element to the water connection on the appliance.

Drawing in water from open reservoirs
This high-pressure cleaner is suited to work with the KÄRCHER suction hose with backflow valve (Optional accessory, order no. 4.440-238) to draw in surface water, e.g. from water butts or ponds (see specifications for max. suction height).

Fill the suction hose with water.
Screw the suction hose into the water connection of the appliance and insert it into the water source (e.g. rainwater drum).

Start up
ATTENTION
Dry running of more than 2 minutes leads to damage of the high-pressure pump. If the appliance does not build up pressure within 2 minutes, switch the appliance off and proceed in accordance with the instructions in Chapter “Troubleshooting”.
Illustration E

Push the high pressure hose into the quick coupling until it locks audibly.
Note: Make sure the connection nipple is aligned correctly.
Check the secure connection by pulling on the high pressure hose.
Attach the water supply hose to the coupling on the water connection.
Note: The supply hose is not included.
Connect the water supply hose to the water supply.
Completely open the water tap.
Insert the mains plug into the socket.
Turn on the appliance “I/ON”.
Unlock the lever on the trigger gun.
Pull on the lever of the trigger gun; the device will switch on. Let the appliance work until the water exits at the hand spray gun without bubbles (max. 2 minutes).
Release the lever on the trigger gun.
Note: Release the lever of the trigger gun; the device will switch off again. High pressure remains in the system.
Lock the lever on the trigger gun.

Operation

CAUTION
Keep a distance of at least 30 cm when using the jet for cleaning painted surfaces to avoid damage.
ATTENTION
Car tyres, paint or sensitive surfaces such as wood should not be cleaned with the dirt blaster, as there is a risk of damage.
Illustration F

Push the spray lance into the trigger gun and fasten it by turning it through 90°.
Unlock the lever on the trigger gun.
Pull on the lever of the trigger gun; the device will switch on.

Working with detergent
DANGER
When using detergents, the material data safety sheet issued by the detergent manufacturer must be adhered to, especially the instructions regarding personal protective equipment.
Note: Detergent can only be added when the device is operated in low pressure mode.
Illustration G

Pull detergent suction hose as far as is required out of the housing.
Suspend end of detergent suction hose in a container filled with detergent.
Use spray lance with pressure regulation (Vario Power).
Turn the spray lance as far as it will go in the direction of “SOFT”. Note: This will mix the detergent with the water stream.

Recommended cleaning method

Spray the detergent sparingly on the dry surface and allow it to react, but not to dry.
Spray off loosened dirt with the high pressure jet.

Interrupting operation

Release the lever on the trigger gun.
Lock the lever on the trigger gun.
During longer breaks (more than 5 minutes), also turn the appliance off using the “0/OFF” switch.

Finish operation
CAUTION
Only separate the high-pressure hose from the trigger gun or the appliance when there is no pressure in the system.

After operation with detergent: Run the machine for approximately 1 minute for a clear rinse.
Release the lever on the trigger gun.
Turn off the appliance “0/OFF”.
Turn off tap.
Press the lever on the trigger gun to release any remaining pressure in the system.
Lock the lever on the trigger gun.
Disconnect the mains plug from the socket.
Detach the appliance from the water supply.

Transport
CAUTION
Risk of personal injury or damage! Mind the weight of the appliance during transport.
When transporting by hand
Illustration H

Pull out the transport handle until it audibly snaps into place.
Pull the appliance by its transport handle. When transporting in vehicles
Secure the appliance against shifting and tipping over.

Storage

CAUTION Risk of personal injury or damage! Consider the weight of the appliance when storing it.
Storing the Appliance
Prior to extended storage periods, as during the winter, also observe the instructions in the Care section.

Park the machine on an even surface.
Push the casing of the quick coupling for the high pressure hose toward the rear and disconnect the high pressure hose from the appliance.
Press the disconnect on the trigger gun and remove the high pressure hose from the trigger gun.
Stow away the mains cable, the high-pressure hose and accessory on the appliance.

Frost protection
ATTENTION
Appliances and accessories that are not completely drained can be destroyed by frost. Completely drain appliance and accessories and protect them against frost. To avoid damage:

Completely drain all water from the appliance: Switch the appliance on with detached high pressure hose and detached water supply (max. 1 minute) and wait, until no more water exits at the high pressure connection. Turn off the appliance.
Store the appliance and the entire accessories in a frost free room.

Care and maintenance

DANGER

Risk of electric shock.

Prior to all work on the appliance, switch off the appliance and pull the power plug.

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

Pull out the sieve in the water connection using flat nose pliers and clean under running water.

Maintenance
The appliance is maintenance free.

Accessories and Spare Parts
Only use original accessories and spare parts, they ensure the safe and trouble-free operation of the device. For information about accessories and spare parts, please visit www.kaercher.com.

Troubleshooting

You can rectify minor faults yourself with the help of the following overview. If in doubt, please consult the authorized customer service.
DANGER
Risk of electric shock.

Prior to all work on the appliance, switch off the appliance and pull the power plug.

Appliance is not running

Pull on the lever of the trigger gun; the device will switch on.
Check whether the voltage indicated on the type plate corresponds to the voltage of the mains supply.
Check the mains connection cable for damages.

Appliance does not start, motor hums
Voltage reduction due to weak mains supply or when using an extension cable.

When switching on, first pull the lever of the trigger gun and then switch the appliance switch to “I/ON”.

Pressure does not build up in the appliance

Check setting at the spray lance.
Check water supply for adequate delivery rate.
Pull out the sieve in the water connection using flat nose pliers and clean under running water.
Appliance ventilation: Switch the appliance on with the high-pressure hose detached and operate (max. 2 minutes) until the water exits the high-pressure connection without bubbles. Switch off appliance and reconnect high-pressure hose.

Strong pressure fluctuations

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

Appliance is leaking

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

No detergent infeed

Use spray lance with pressure regulation (Vario Power).
Turn the spray lance as far as it will go in the direction of “SOFT”.
Clean the detergent suction hose filter.
Check the detergent suction hose for kinks.

Warranty

The warranty terms published by the relevant sales company are applicable in each country. We will repair potential failures of your appliance within the warranty period free of charge, provided that such failure is caused by faulty material or defects in manufacturing. In the event of a warranty claim please contact your dealer or the nearest authorized Customer Service centre. Please submit the proof of purchase. Addresses can be found under: www.kaercher.com/dealersearch

Technical specifications

Electrical connection

EU Declaration of Conformity

We hereby declare that the machine described below complies with the relevant basic safety and health requirements of the EU Directives, 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 machine is modified without our prior approval.
Product: High pressure cleaner
Type: 1.180-xxx
Relevant EU Directives
2000/14/EC
2014/30/EU
2006/42/EC (+2009/127/EC)
2011/65/EU
Applied harmonized standards
EN 50581
EN 55014–1: 2006+A1: 2009+A2: 2011
EN 55014–2: 2015
EN 60335–1
EN 60335–2–79
EN 61000–3–2: 2014
EN 61000–3–3: 2013
EN 62233: 2008
Applied conformity evaluation method
2000/14/EC: Appendix V
Sound power level dB(A)
Measured: 87
Guaranteed: 89
The undersigned act on behalf and under the power of attorney of the company management.

Authorised Documentation Representative S. Reiser
Alfred Kärcher GmbH Co. KG
Alfred-Kärcher-Str. 28 – 40
71364 Winnenden (Germany)
Phone: +49 7195 14-0
Fax: +49 7195 14-2212
Winnenden, 2017/07/01

THANK YOU! MERCI!
DANKE! GRACIAS!
Register your product and benefit from many advantages.
www.kaercher.com/welcome ****

www.kaercher.com/dealersearch
Alfred Kärcher GmbH & Co. KG
Alfred-Kärcher-Str. 28-40
71364 Winnenden (Germany)
Tel.: +49 7195 14-0
Fax: +49 7195 14-2212www.kaercher.com/dealersearch