K 4.650
Operating Instructions
Before first use of the unit
Please read these Operating Instructions and act in
accordance with them
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59639020 (11/10)
General information
Proper Use
Environmental protection
Symbols in the operating instructions
Symbols on the machine
Safety instructions
Safety Devices
Prerequisites for the appliance's stability
.. 7
.. 8
.. 8
Scope of delivery
Description of the Appliance
Before Startup
Water supply
Start up
High pressure operation
Working with detergent
Interrupting operation
Finish operation
.. 9
.. 9
.. 9
.. 9
. 10
. 11
. 11
. 12
. 12
. 12
When transporting by hand
When transporting in vehicles
. 12
. 12
. 12
Storing the Appliance
Frost protection
. 13
. 13
. 13
Maintenance and care
Spare parts
. 14
Technical specifications
. 14
General information
Dear Customer,
Please read and comply with
these original instructions prior
to the initial operation of your appliance and
store them for later use or subsequent owners.
Proper Use
This high-pressure cleaner is designed for
domestic use only:
– to clean machines, vehicles, buildings,
tools, facades, terraces, garden equipment etc. using a high-pressure water
jet (and detergents if required).
– with accessories, replacement parts
and detergents approved by KÄRCHER. Observe the instructions provided
with these detergents.
Environmental protection
The packaging material can be recycled. Please do not place the packaging into the ordinary refuse for disposal, but
arrange for the proper recycling.
Old appliances contain valuable materials that can be recycled. Please
arrange for the proper recycling of old
appliances. Please dispose your old appliances using appropriate collection systems.
Notes about the ingredients (REACH)
You will find current information about the
ingredients at:
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.
(See address on the reverse)
Symbols in the operating instructions
 Danger
Immediate danger that can cause severe
injury or even death.
몇 Warning
Possible hazardous situation that could
lead to severe injury or even death.
Possible hazardous situation that could
lead to mild injury to persons or damage to
Symbols on the machine
High-pressure jets can be
dangerous if improperly
used. The jet must not be
directed at persons, animals, live electrical equipment or at the
appliance itself.
Frost can destroy the not completely
drained appliance. Store the appliance
in a frost resistant room during winter.
Safety instructions
 Danger
 Never touch the mains plug and the
socket with wet hands.
 The appliance must not be used if the
power cord or important parts of the appliance, e.g. high-pressure hoses, trigger gun or safety devices are damaged.
 Check the power cord and mains plug
for damage before every use. If the
power cord is damaged, please arrange
for it to be replaced immediately by an
authorised repair agent or a skilled
 Check the high-pressure hose for damage before every use. Please arrange
for the immediate replacement of a
damaged high-pressure hose.
 The appliance may not be used in areas
where a risk of explosion is present.
 If the appliance is used in hazardous areas (e.g. filling stations) the corresponding safety provisions must be
 High-pressure jets can be dangerous if
improperly used. The jet must not be directed at persons, animals, live electrical equipment or at the appliance itself.
 The high-pressure jet must not be directed at other persons or directed by
the user at him/herself to clean clothing
or footwear.
 Never use the appliance to clean objects containing hazardous substances
(e.g. asbestos).
 Vehicle tyres or tyre valves are susceptible to damage from the high-pressure
jet and may burst. The first indication of
this is a discolouration of the tyre. Damaged vehicle tyres/tyre valves are highly dangerous. Ensure that a distance of
at least 30 cm is observed when cleaning with the jet!
 Risk of explosion!
Do not spray flammable liquids.
Never draw in fluids containing solvents
or undiluted acids and solvents! This includes petrol, paint thinner and heating
oil. The spray mist thus generated is
highly inflammable, explosive and poisonous. Do not use acetone, undiluted
acids and solvents as they are damaging to the materials from which the appliance is made.
The mains plug and the coupling of an
extension cable must be watertight and
must never lay in the water.
Unsuitable extension cables can be
hazardous. Only use extension cables
outdoors which have been approved for
this purpose and labelled with a sufficient cable cross-section: 1 - 10 m: 1.5
mm2; 10 - 30 m: 2.5 mm2
Always fully unroll electrical cables from
the cable drum.
High-pressure hoses, fixtures and couplings are important for the safety of the
appliance. Only use high-pressure hoses, fixtures and couplings recommended by the manufacturer.
This appliance is not intended for use
by persons with reduced physical, sensory or mental capabilities.
The appliance must not be operated by
children or persons who have not been
instructed accordingly.
Children should be supervised to prevent them from playing with the appliance.
Keep packaging film away from children
- risk of suffocation!
The operator must use the appliance
correctly. When working with the appliance, he must consider the local conditions and pay due care and attention to
other persons, in particular children,
who are nearby.
 Do not use the appliance when there
are other persons around unless they
are also wearing safety equipment.
 Wear protective clothing and safety
goggles to protect against splash back
containing water or dirt.
 In case of extended downtimes, switch
the appliance off at the main switch / appliance switch or remove the mains
 Do not operate the appliance at temperatures below 0 °C.
 Observe a distance of at least 30 cm
when using the jet to clean painted surfaces to avoid damaging paintwork.
 Never leave the appliance unattended
when it is in operation.
 Make sure that the power cable or extension cables are not damaged by running over, pinching, dragging or similar.
Protect the power cable from heat, oil,
and sharp edges.
 All current-conducting parts in the working area must be protected against jet
 The appliance may only be connected
to an electrical supply which has been
installed in accordance with IEC 60364.
 The appliance may only be connected
to alternating current. The voltage must
correspond with the type plate on the
 For safety reasons, we recommend that
you operate the appliance only via a
earth-leakage circuit breaker (max.
30 mA).
 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.
 This appliance was designed to be
used with detergents which are supplied or recommended by the manufacturer. The use of other detergents or
chemicals may compromise the safety
of the appliance.
Safety Devices
Safety devices protect the user and must
not be modified or bypassed.
Power 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.
Prerequisites for the appliance's
Create stability for the appliance prior to all
work on or with the appliance to prevent accidents or damage.
– The stability of the appliance is warranted when it is placed onto an even surface.
Scope of delivery
Before Startup
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
Mount loose parts delivered with appliance
prior to start-up.
Description of the Appliance
Illustrations on fold-out page!
1 Coupling element for water
2 Water connection with integrated sieve
3 Appliance switch "0/OFF“/ „I/ON“
4 High pressure hose
5 Dosage regulator for detergent
6 Storage for trigger gun
7 High-pressure hose drum
8 Transport handle
9 Hand crank for hose drum
10 Storage of detergent reservoir with detergent connection
11 Storage for accessories
12 Storage hook for mains connection cable
13 Mains cable with mains plug
14 Detergent reservoir with locking lid
15 Wheels
16 Trigger gun
17 Lock trigger gun
18 Key to detach the high pressure hose
from the trigger gun
19 Spray lance with pressure regulation
(Vario Power)
20 Spray lance with Dirtblaster
Special accessories
Special accessories expand the possibilities of using your appliance. Please contact
your KÄRCHER dealer for further information.
Install wheels
 Illustration
Push the wheels into the intake and secure with the enclosed plugs, watch for
positioning of plug.
Install the storage for hand-spray gun
 Illustration
Place the bottom holder into the recesses and push forward until it audibly
locks in.
Insert the top holder and push down all
the way.
Install the storage hook for the mains
connection cable
 Illustration
Press in the storage hook and lock it
into the top position.
Install the transport handle
You will need the 2 included screws as well
as a Philips screwdriver PH 2.
 Illustration
Slide the transport handle into the guide
and secure it with 2 screws.
Install the dosage regulator for detergent
You will need the 2 included screws as well
as a Philips screwdriver PH 2.
 Illustration
Insert both detergent hoses onto the
hose fittings.
Install the dosage regulator and connect using 2 screws.
Note: During installation you must
make sure that the tongues of the dosage regulator match up with the intended recesses in the casing.
Install the high pressure hose drum
 Illustration
Slide the free end of the coiled high
pressure hose through the recesses on
the dosage regulator.
Insert the hose drum into the intakes on
the transport handle.
Insert the axle of the hand crank into the
Install the fixating plate and secure it
using 2 screws.
Press the connecting fitting from the
short high pressure hose into the brass
intake, secure with clamps.
Note: Make sure the connection nipple
is aligned correctly.
Water supply from mains
Observe regulations of water supplier.
For connection values, see type plate/technical data.
 Use a fibre-reinforced water hose (not
included) with a standard coupling.
(Minimum diameter 1/2 inch (13 mm),
minimum length 7.5 m).
 Illustration
Screw the supplied coupling element to
the water connection on the appliance.
Push the water supply hose onto the
coupling unit, then connect it to the water supply.
How to draw water from a bucket when
using a KÄRCHER Pressure Cleaner
Connect the high pressure hose to the
hand spray gun
 Illustration
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.
KÄRCHER recommends using the suction
hose accessory (sold separately) Order no.
 Connect the suction hose to the water
inlet on the pressure cleaner and drop
the other end into a bucket.
Tip: If you are not using this accessory, coil
a hose into the bucket and ensure that you
only use a standard hose clamp to connect
to the pressure washer.
Water supply
몇 Warning
According to the applicable regulations, the appliance must never be
used on the drinking water supply
without a system separator. Use a
suitable system separator manufactured by
KÄRCHER; or, as an alternative, a system
separator as per EN 12729 Type BA. Water
flowing through a system separator is considered non-drinkable.
Always connect the system separator to
the water supply, never directly to the appliance!
Note: Impurities in the water can damage
the high-pressure pump and accessories.
For protection, the use of the KÄRCHER
water filter (optional accessory, order no.
4.730-059) is recommended.
 Fill up your bucket with water.
– 10
 Connect the KÄRCHER power cord to
an electricity source and turn on at powerpoint. Make sure the high pressure
nozzle is not connected and turn the
unit on at the ON/OFF switch. Press the
trigger on the gun - the unit is ready for
use once there is a constant water system.
 Connect the high pressure nozzle and
press the hand trigger to begin cleaning.
Start up
Dry runs lasting longer than two minutes
lead to damages to the high pressure
pump. If the appliance does not build up
pressure within two minutes, switch it off
and proceed as instructed in the Chapter
 Illustration
Push the spray lance into the trigger
gun and fasten it by turning it through
 Illustration
Unwind the high pressure hose from the
hose drum. Hold on to the transport
handle during this procedure.
Note: If the hand crank is in its secured
position, fold it up first.
 Completely open the water tap.
 Insert the mains plug into the socket.
 Turn on the appliance “I/ON”.
High pressure operation
몇 Danger
The trigger gun is subjected to a recoil force
when the water jet is discharged. Make
sure that you have a firm footing and are
also holding the trigger gun and spray lance
Prior to cleaning, make sure that the high
pressure is placed safely on level ground.
Wear protective goggles and protective
clothing during the cleaning process.
 Unlock the lever on the trigger gun.
 Pull on the lever of the trigger gun; the
device will switch on.
Note: Release the lever of the trigger gun;
the device will switch off again. High pressure remains in the system.
Spray lance with pressure regulation
Carrying out the most common cleaning
tasks. The work pressure can be stagelessly regulated between "Min" and "Max".
 Release the lever on the trigger gun.
 Turn the spray lance to the desired position.
Note: Suitable for working with detergent;
for this, turn the spray lance to the "Mix" position.
Spray lance with Dirtblaster
For particularly dirty items or areas.
Car tyres, paint or sensitive surfaces such
as wood should not be cleaned with the dirt
blaster, as there is a risk of damage.
– Not suitable for use with detergents.
– 11
Working with detergent
Finish operation
Please use exclusively KÄRCHER detergents and care products to carry out the respective cleaning task, as these were
specifically developed for your appliance.
The use of other detergents and care products may lead to premature wear and can
invalidate your warranty claims. Please obtain information at your local dealer or request information directly from KÄRCHER.
Notes regarding the detergent: The most
commonly use detergents can be purchased ready to use in their detergent reservoirs with locking lids. This will make the
pesky refilling and filling processes redundant.
 Illustration
Remove the lid from the detergent reservoir and press the detergent reservoir
into the detergent connection with the
opening facing down.
 Illustration
Adjust the suction volume of the detergent solution by means of the dosage
regulator for detergents.
 Use spray lance with pressure regulation (Vario Power).
 Turn the spray lance to "Mix" position.
Note: This will mix the detergent with
the water stream.
Note: If required, the washing brushes can
be used to work with detergent.
Only separate the high-pressure hose from
the trigger gun or the appliance while there
is no pressure in the system.
 Remove the detergent reservoir from
the intake and close it with the lid. To
store, place into the intake rotated by
 Release the lever on the trigger gun.
 Turn off the appliance "0/OFF".
 Turn off tap.
 Detach the appliance from the water
Caution: When disconnecting the supply or high pressure hose, warm water
may leak from the connections after operation.
 Press the lever on the trigger gun to release any remaining pressure in the
 Lock the lever on the trigger gun.
 Pull out the mains plug.
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 highpressure 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.
 Insert the trigger gun in its holder.
In order to prevent accidents or injuries,
keep in mind the weight of the appliance
during transport (see Specifications).
When transporting by hand
 Lift appliance by the carrying handle
and carry it.
 Pull the appliance by its transport handle.
When transporting in vehicles
 Prior to horizontal transport: Remove
the detergent reservoir from the intake
and close it with the lid.
 Secure the appliance against shifting
and tipping over.
– 12
In order to prevent accidents or injuries,
keep in mind the weight of the appliance
when selecting a storage location for it (see
Storing the Appliance
 Park the machine on an even surface.
 Illustration
Wind the entire high pressure hose onto
the hose drum by rotating the hand
crank counter-clockwise.
 Insert the hand spray gun with the spray
lance into the holder for the hand spray
 Stow away the mains cable and accessory at the machine. Store the appliance in a dry room.
Frost protection
Protect the appliance and its accessories
against frost.
The appliance and its accessories can get
destroyed through frost if there are any water residues in them. To avoid damage to
Completely drain all water from the appliance:
 Detach the appliance from the water
 Detach spray lance from the trigger
 Switch the appliance on ("I/ON“), press
the trigger gun lever until no further water is discharged (approx. 1 min).
 Turn off the appliance.
 Store the appliance and the entire accessories in a frost-safe room.
Maintenance and care
 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:
 Completely drain all water from the appliance:
(for a description, see section on "Frost
 Illustration
Pull out the sieve in the water connection using flat-nose pliers and clean under running water.
Spare parts
Use only original KÄRCHER spare parts.
You will find a list of spare parts at the end
of these operating instructions.
– 13
You can rectify minor faults yourself with
the help of the following overview.
If in doubt, please consult the authorized
customer 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.
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
Pressure does not build up in the appliance
 Check setting at the spray lance.
 Remove air from appliance before operation.
Switch on the appliance without connection the HP hose (max. 2 minutes)
and run it until the water discharging
from the HP outlet is free of bubbles.
Switch off appliance and reconnect HP
 Check the water supply.
 Pull out the sieve in the water connection using flat-nose pliers and clean under running water.
Appliance does not start, motor hums
Cause: Voltage reduction due to weak
mains supply or when using an extension
 When switching on, first pull the lever of
the trigger gun and then switch the appliance switch to "I/ON".
ing 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 to "Mix" position.
 Check the settings at the dosage regulator for detergent.
 Check the detergent suction hose for
Technical specifications
Power connection
1~50 Hz
Connected load
Mains fuse (slow-blow)
Protective class
Protection class
Water connection
Max. feed temperature
Min. feed volume
Max. feed pressure
Max. Suction height
Performance data
Working pressure
Max. permissible pressure
Water flow rate
Detergent flow rate
0 - 0,3 I/min
Subject to technical modifications!
Strong pressure fluctuations
 Clean high-pressure nozzle: Remove
dirt and debris from the nozzle bore, us– 14
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