Karcher Vacuum Cleaner K 291 MD User Manual

K 2.91 MD  
Operating  
Instructions  
Before first use of the unit  
read these operating  
instructions and act in  
accordance with them.  
5.961-864.0 (05/07)  
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Dear Customer,  
Please read and comply with  
these instructions prior to the  
initial operation of your appliance. Retain  
these operating instructions for future refer-  
ence or for subsequent possessors.  
Description of the Appliance  
When unpacking the product, make sure  
that no accessories are missing and that  
none of the package contents have been  
damaged. If you detect any transport dam-  
ages please contact your dealer.  
Illustrations on Page 2  
Proper Use  
1
2
3
4
5
6
7
8
9
High pressure outlet  
This high-pressure cleaner is designed for  
domestic use only:  
Connection for water supply with filter  
ON/OFF switch for appliance  
Detergent suction hose with filter  
Detergent tank  
to clean machines, vehicles, buildings,  
tools, facades, terraces, garden equip-  
ment 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.  
Carrying handle  
Transport handle, adjustable height  
Support for spray lance  
Storage, trigger gun  
10 Power cable with plug  
11 Bearing wheel  
12 Trigger gun with safety catch  
13 High pressure hose  
14 Spray lance with dirt blaster  
15 Spray lance with pressure regulation  
(Vario Power)  
Environmental protection  
The packaging material can be recy-  
cled. Please do not place the packag-  
ing into the ordinary refuse for  
disposal, but arrange for the proper  
recycling.  
16 Coupling element for water connection  
Old appliances contain valuable ma-  
terials that can be recycled. Please  
arrange for the proper recycling of old  
appliances. Please dispose your old  
appliances using appropriate collec-  
tion systems  
Warranty  
The terms of the guarantee applicable in  
each country have been published by our  
respective national distributors. We will re-  
pair possible faults on your unit free of  
charge within the warranty period, insofar  
as the faults are caused by material defects  
or defective workmanship. Guarantee  
claims should be addressed to your dealer  
or the nearest authorized customer service  
centre, and supported by documentary evi-  
dence of purchase.  
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sive towards the materials from which  
the appliance is made.  
Safety instructions  
ƽ Danger  
Warning  
Never touch the mains plug and the  
socket with wet hands.  
Check the high-pressure hose for dam-  
age before every use. Please arrange  
for the immediate exchange of a dam-  
aged high-pressure hose.  
The appliance must not be used if the  
power cable or important parts of the ap-  
pliance, e.g. safety devices, high-pres-  
sure hoses, spray guns, are damaged.  
The appliance may not be used in areas  
where a risk of explosion is present.  
If the appliance is used in hazardous ar-  
eas (e.g. filling stations) the corre-  
sponding safety provisions must be  
observed.  
High-pressure hoses, fixtures and cou-  
plings are important for the safety of the  
appliance. Only use high-pressure hos-  
es, fixtures and couplings recommend-  
ed by the manufacturer.  
Do not use the appliance when there  
are other persons around unless they  
are also wearing safety gear.  
Unsuitable extension cables can be  
hazardous. Only use extension cables  
outdoors which have been approved for  
this purpose and labelled with a suffi-  
cient cable cross section:  
Check the power cord with mains plug  
for damage before every use. If the  
power cord is damaged, please arrange  
immediately for the exchange by an au-  
thorized customer service or a skilled  
electrician.  
2
2
1 - 10 m: 1,5 mm ; 10 - 30 m: 2,5 mm  
High-pressure jets can be  
Note  
dangerous if improperly  
used. The jet must not be  
directed at persons, ani-  
The appliance must not be operated by  
children or persons who have not been  
instructed accordingly.  
mals, live electrical equipment or at the  
appliance itself.  
The operator must use the appliance  
properly. When working with the appli-  
ance, he must consider the local condi-  
tions and pay due care and attention to  
other persons, in particular children,  
who are nearby.  
Observe a distance of at least 30 cm  
when using the jet to clean painted sur-  
faces to avoid damaging paintwork.  
Cleaning operations which produce oily  
waste water, e.g. engine washes, un-  
derbody washes, may only be carried  
out using washing stations equipped  
with an oil separator.  
Wear protective clothing and safety  
goggles to protect against back spray  
containing water or dirt.  
Never leave the appliance unattended  
when it is in operation.  
Make sure that the power cable or ex-  
tension cables are not damaged by run-  
ning over, pinching, dragging or similar.  
The 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 ob-  
jects containing hazardous substances  
(e.g. asbestos).  
Vehicle tyres or tyre valves are suscep-  
tible to damage from the high-pressure  
jet and may burst. The first indication of  
this is a discolouration of the tyre. Dam-  
aged vehicle tyres/tyre valves are high-  
ly dangerous. Ensure that a distance of  
at least 30 cm is observed when clean-  
ing with the jet!  
Never draw in fluids containing solvents  
or undiluted acids and solvents! This in-  
cludes petrol, paint thinner and heating  
oil. The spray mist thus generated is  
highly inflammable, explosive and poi-  
sonous. Do not use acetone, undiluted  
acids and solvents as they are aggres-  
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Protect the power cable from heat, oil,  
and sharp edges.  
Safety Devices  
Safety devices serve to protect the user  
and must not be rendered inoperational or  
their functions bypassed.  
The connection between the power cable  
and extension cable must not lie in water.  
All current-conducting parts in the work-  
ing area must be protected against jet  
water.  
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  
appliance.  
Power switch  
The switch prevents unintented starting of  
the appliance. Stop the appliance during  
breaks or after operation.  
Safety catch  
The safety catch on the trigger gun pre-  
vents the appliance from being switched on  
unintentionally.  
High pressure hose  
The minimum fuse rating required at the  
socket outlet is 10 A (slow-blow).  
To avoid accidents due to electrical  
faults we recommend the use of sock-  
ets with a line-side current-limiting cir-  
cuit breaker (max. 30 mA nominal  
tripping current).  
The plug and coupling of the extension  
cable used must be watertight.  
Always fully unroll electrical cables from  
the cable drum.  
The high pressure hose is specially con-  
structed with reinforced walls to handle wa-  
ter pressure up to 11 MPa (1600 psi) - it is  
easily damaged and should be stored care-  
fully.  
Do not kink.  
Do not drive vehicles over the hose.  
Do not expose the hose to sharp edges  
or corners.  
Misuse will lead to ballooning or premature  
failure and will invalidate warranty.  
This appliance was designed to be  
used with detergents which are sup-  
plied or recommended by the manufac-  
turer. The use of other detergents or  
chemicals may compromise the safety  
of the appliance.  
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the trigger gun and fasten it by turning it  
through 90°.  
Commissioning and operation  
Î Open tap.  
Î Plug in the main plug.  
Before Startup  
Î Assemble appliance as shown on  
page 10.  
Note: When the appliance is delivered, the  
HP hose and handgun are not attached.  
Please mount these before using the appli-  
ance for the first time.  
Î Push out the safety clip in the trigger  
gun using e.g. a small screwdriver.  
Î Join HP hose and trigger gun together.  
Î Push clip in until it engages and check  
that it is securely fastened by pulling on  
the high pressure hose.  
Î Set main switch to “I/ON”.  
Î Press safety catch on the trigger gun to  
release it and pull lever.  
High pressure operation  
Risk of injury  
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 hold-  
ing the trigger gun and spray lance firmly.  
Spray lance with pressure regulation  
Carrying out the most common cleaning  
tasks. The work pressure can be stageless-  
ly regulated between "Min" and "Max".  
Î Release the lever on the trigger gun.  
Î Turn the spray lance to the desired po-  
sition.  
Water supply  
The device is not suitable for being  
operated in the drinking water net-  
work. A suitable system separator  
as per EN 12729 type BA is needed  
to operate it on the drinking water network.  
Spray lance with dirt blaster  
For strong contaminations.  
Water supply from mains  
For connection values, see type plate/tech-  
nical data.  
Observe regulations of water supplier.  
Î Use a fibre-reinforced hose (not included)  
with a standard coupling:  
Operation with detergent  
Note  
Detergent can only be added when the appli-  
ance is being operated in low pressure mode.  
Î Use spray lance with pressure regula-  
tion (Vario Power).  
- Minimum diameter, 1/2 inches (13 mm)  
- Minimum length, 7.5 m  
Î Turn the spray lance to "Mix" position -  
Î Screw the coupling unit (supplied) to  
the water connection on the appliance.  
Î Push the water supply hose onto the  
coupling unit, then connect it to the tap.  
low pressure.  
Detergent infeed from detergent tank  
Î Fill the detergent tank with detergent  
tablet and water or detergent  
concentrate and water (Observe  
metering recommendations on the  
packaging label of the detergent.)  
Î During low pressure operation, deter-  
gent is automatically drawn in from the  
filled detergent tank.  
Caution  
Never operate the high-pressure cleaner  
when the tap is turned off as dry running will  
damage the High pressure pump.  
If the water supply is not clean, the Kärcher  
water filter must be used (special accesso-  
ry - order No. 4.730-059).  
Recommended Cleaning Method  
Start up  
1
Spray a small dose of the detergent on  
the dry surface, and allow it to react  
(make sure the detergent does not dry  
up).  
Î Screw high pressure hose on to high  
pressure outlet on appliance.  
Î Push the appropriate spray lance on to  
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2
Wash off the loosened dirt using the  
high-pressure jet.  
Maintenance and care  
ƽ Risk of electric shock  
Detergents  
Always switch off the appliance and pull out  
the mains plug before care and mainte-  
nance work.  
To ensure a trouble-free operation of the appli-  
ance and to match the individualcleaning task,  
we recommend our Kärcher detergent and  
maintenance agents. Please ask for our ad-  
vice, or request information on the products.  
Cleaning  
Prior to longer periods of storage, e.g. in  
the winter:  
Interrupting operation  
Î Remove filter from suction hose for de-  
tergent and clean with running water.  
Î Pull out filter in water connection using  
flat-nose pliers and clean with running  
water.  
Î Release the lever on the trigger gun.  
Î During breaks, use the safety catch to  
secure the trigger gun lever.  
Î During longer breaks (more than 5 min-  
utes), also turn the appliance off using  
the ON/OFF switch.  
Maintenance  
The appliance is maintenance-free.  
Finish operation  
Frost protection  
Î If detergent has been added:  
Fill detergent tank with clear water, switch  
the appliance on for approximately one  
minute once the spray lance has been re-  
moved and rinse until water runs clear.  
Î Release the lever on the handgun.  
Î Switch the appliance switch to "0/OFF“.  
Î Turn off tap.  
Risk of frost  
Protect the appliance and accessories  
against frost.  
The appliance and its accessories can get  
destroyed through frost if there are any wa-  
ter residues in them. To avoid damage to  
them:  
Î Press the lever on the handgun to re-  
lease any remaining pressure in the  
system.  
Î Disconnect the appliance from the wa-  
ter supply.  
Î Detach spray lance from the handgun.  
Î Briefly switch the appliance on ("I/ON“),  
press the handgun lever until no further  
water is discharged (approx. 1 min).  
Î Switch the appliance switch to "0/OFF“.  
Î Use the safety catch to secure the  
handgun lever.  
Î Store the appliance and the entire ac-  
cessories in a frost-safe room.  
Spare Parts  
Only use original Kärcher spare parts. You  
will find a list of spare parts at the end of this  
document.  
Special accessories  
Special accessories expand the possibili-  
ties of using your appliance. Please contact  
your Kärcher dealer for further information.  
Î Pull out the mains plug.  
Î Store the power cord, the high pressure  
hose and the accessories on the appli-  
ance.  
Caution  
Please remove the detergent from the de-  
tergent tank if the application is transported  
in a reclined position.  
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Î Clean the filter of the detergent suction  
Troubleshooting  
hose.  
You can rectify minor faults yourself with  
the help of the following overview.  
If in doubt, please consult the authorized  
customer service.  
Î Check the Detergent suction hose for  
kinks.  
Specifications  
ƽ Risk of electric shock  
Always switch off the appliance and pull out  
the mains plug before care and mainte-  
nance work.  
Power connection  
Voltage  
(1~50 Hz) 230-240 V  
1,4 kW  
13 A  
Connected load  
ƽ Warning  
Mains fuse (slow-blow)  
Protective class  
Repair works may only be performed by the  
authorized customer service.  
I
Protection class  
IPX5  
Appliance does not start  
Î Check whether the voltage indicated on  
the type plate corresponds to the volt-  
age of the socket.  
Water connection  
Max. feed temperature  
Min. feed volume  
40 °C  
8 l/min  
Î Check the power cable for damage.  
Max. feed pressure  
Performance data  
Working pressure  
1,2 MPa  
Pressure does not build up in the appli-  
ance  
8 MPa  
10 MPa  
5,5 l/min  
0,4 l/min  
12 N  
Î Check the setting at the spray lance.  
Î Evacuate air from the appliance: Switch  
on the appliance when the high pres-  
sure hose is not connected and allow it  
to run until the water which discharges  
from the high pressure outlet is free of  
bubbles. Then connect the high pres-  
sure hose again.  
Max. permissible pressure  
Water flow rate  
Detergent flow rate  
Recoil force of trigger gun  
2
Hand-arm vibration  
(ISO 5349)  
0,8 m/s  
Î Clean the filter in the water supply con-  
nection: This can be easily removed us-  
ing flat-nose pliers.  
Î Check all supply lines to the High pres-  
sure pump for leaks or blockages.  
Sound pressure level  
LpA (EN60704-1)  
72 dB(A)  
86 dB(A)  
Sound power level  
LWA (2000/14/EG)  
Dimensions  
Length  
Strong pressure fluctuations  
284 mm  
294 mm  
566 mm  
8,1 kg  
Î Clean the high-pressure nozzle: Re-  
move dirt and debris from the nozzle  
bore with a needle and rinse through  
with water towards the front.  
Width  
Height  
Weight  
Î Check the volume of incoming water.  
Subject to technical modifications!  
High pressure pump leaking  
Î Slight leakage from the high pressure  
pump is normal. If the leakage increas-  
es contact the authorized customer  
service.  
No detergent infeed  
Î Select the low-pressure setting for the  
spray lance.  
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Help-Line  
CE declaration  
Karcher (UK) Limited operate a help-line  
allowing customers to discuss any  
problems experienced with our products.  
The help-line operates during normal  
business hours, if you have difficulty getting  
through, please understand that there are  
peak periods during the day when our  
consultants are unable to take all calls  
coming in. In these circumstances we  
would ask that you try to contact us again  
later in the day.  
We hereby declare that the machine de-  
scribed 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:  
Type:  
High-pressure cleaner  
1.400-xxx  
Relevant EU Directives  
98/37/EC  
2006/95/EC  
89/336/EEC (+91/263/EEC, 92/31/EEC,  
93/68/EEC)  
2000/14/EC  
Applied harmonized standards  
EN 60335–1  
EN 60335–2–79  
EN 55014–1:2000 +A1:2001 +A2:2002  
EN 55014–2:1997 +A1:2001  
EN 61000–3–2:2000 +A2:2005  
EN 61000–3–3:1995 +A1:2001  
Applied conformity evaluation method  
Appendix V  
The help-line number is 0906 6800632  
(calls to this number are charged at 25p  
per minute) from 8.30 am to 5.00 pm  
Monday - Friday.  
It helps us if you have the model number  
and data plate details to hand before  
making your call as there are very many  
different models of Karcher Pressure  
Washers in use.  
Alternatively you may write or e-mail to the  
address below:  
Sound power level dB(A)  
Measured:  
Guaranteed: 86 dB(A)  
84 dB(A)  
Karcher (UK) Limited  
Karcher House  
Beaumont Road  
Banbury  
Oxon, OX16 1TB  
FAX: 01295 752030  
E-mail:  
The undersigned act on behalf and under  
the power of attorney of the company man-  
agement.  
Alfred Kärcher GmbH Co. KG  
Alfred Kärcher-Str. 28 - 40  
D - 71364 Winnenden  
Phone: +49 7195 14-0  
Fax: +49 7195 14-2212  
English 9  
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Assembly  
10 English  
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Spare Parts  
English 11  
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