Safety Instructions; Environmental Protection; Before The First Use - Kärcher K 4.90 M Operating Instructions Manual

Proper Use
Use this appliance exclusively in your private house-
hold for the following non-industrial purposes:
- cleaning of machines, vehicles, buildings, tools, fa-
cades, terraces, gardening tools, etc. with a high-
pressure water jet (if required, with the addition of
detergents);
- cleaning of vehicle engines - admissible only in loca-
tions with an appropriate oil separator;
- only use the appliance with accessories, spare parts,
and detergents that have been approved by Kärcher.
Please comply with the instructions supplied with the
detergents.

Safety Instructions

The operation of the device in hazardous locations is not
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admissible.
Please comply with the corresponding safety instructions
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if you use the appliance in danger areas (e.g. filling stations).
Do not turn on the appliance if the power supply line or
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important components of the appliance, such as safety
components, high-pressure hoses, spray jet, are dama-
ged.
Warning: Warning: Warning: High-pressure hoses, fittings, and couplings
Warning: Warning:
!
are of importance for the appliance safety. Only use high-
pressure hoses, fittings, and couplings recommended by
the manufacturer.
The appliance is not intended for use by young children or
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infirm persons without supervision.
Young children should be supervised to ensure that they do
not play with the appliance.
The operator must use the appliance properly. He must
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take the local conditions into consideration and must pay
attention to third persons, in particular children, while wor-
king with the appliance.
Warning: Do not use the appliance if third persons are Warning: Warning:
Warning: Warning:
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within the reach of the appliance unless such persons wear
protective clothes.
Warning: Warning: Warning: Warning: High-pressure jets may be dan- Warning:
!
gerous if they are used improperly.
The jet must not be directed at people, ani-
18 English
mals, active electrical equipment, or the appliance itself.
Never direct the jet at yourself or third persons to clean
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clothes or shoes.
Never use the appliance to spray objects containing hazar-
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dous substances (e.g. asbestos).
Warning: Vehicle tyres/tyre valves may be damaged and Warning: Warning: Warning: Warning:
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burst by the high-pressure jet. A first sign is the discolora-
tion of the tyre. Damaged vehicle tyres/tyre valves are ha-
zardous. Always perform the cleaning with a minimum
distance of 30 cm.
Cleaning operations during which oil saturated waste water
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is generated, such as engine cleaning and underbody
cleaning, may only be performed in cleaning locations that
are equipped with an oil separator.
If you clean varnished surfaces, please respect a minimum
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distance of 30 cm to avoid damages.
Never take in solvent-containing liquids or undiluted acids
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and solvents! These include, for example, benzene, paint
thinner, or heating oil. The spray is highly inflammable,
explosive, and toxic. Do not use acetone, undiluted acids,
and solvents as they affect the materials used on the ap-
pliance.
If required, wear appropriate protective clothes and glas-
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ses to protect yourself from return spray.
Never leave the appliance unattended as long as it turned
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on.
Warning: Warning: Warning: Warning: Warning: This appliance has been developed for the use
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of detergents that are supplied or recommended by the
manufacturer. The use of other detergents or chemicals
may affect the safety of the appliance.
Safety Devices
Safety devices are intended to ensure the protection
from injuries and must not be modified or circumven-
ted.
Overflow Valve with Pressure Switch
When the lever located on the trigger gun is released,
the pressure switch turns off the pump, and the high-
pressure jet comes to a stop. When the lever is pulled,
the pressure switch turns the pump on again. In addi-
tion, the overflow valve ensures that the admissible
operating pressure is not exceeded.
Safety Button
The safety button located on the trigger gun ensures
that the appliance is not switched on inadvertently.

Environmental Protection

Disposal of the Packaging
The packaging materials can be recycled. Please ar-
range for the proper disposal of the packaging.
Disposal of Appliances
This appliance was developed with a good recyclability
in mind. Nevertheless, it may contain components or
substances that must not be disposed in the house-
hold refuse. Please contact your Kärcher dealer for
information on how to arrange the proper disposal.
Saving Water
Using this appliance, you save up to 85% of water
compared to other cleaning methods. The appliance
can also be operated with rain water (use the water
filter 4.730-097).
Easing the Burden on Waste Water
Please be sparing with detergents. Comply with the
dosage recommendations supplied with the detergents.

Before the First Use

Assembly
Check the contents of the box when unpacking the
appliance. If you detect any transport damages, plea-
se contact your dealer.
Electrical Connection
Never use defect connection or extension lines! If the con-
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nection line is damaged, it must be replaced with a special
connection line that is available from the manufacturer or his
customer service.
Please make sure that the connection or extension lines are
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not damaged by being ran over, pulled or dragged. Protect
the connection lines from heat, oil, and sharp edges.