Safety Instructions; Environmental Protection; Before The First Use - Kärcher K 3.70 Bedienungsanleitung

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
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not admissible.
Please comply with the corresponding safety
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instructions if you use the appliance in danger areas
(e.g. filling stations).
Do not turn on the appliance if the power supply line
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or important components of the appliance, such as
safety components, high-pressure hoses, spray jet,
are damaged.
Warning: Warning: High-pressure hoses, fittings, and couplings Warning: Warning: Warning:
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are of importance for the appliance safety. Only use
high-pressure hoses, fittings, and couplings recom-
mended by the manufacturer.
The appliance is not intended for use by young
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children or 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
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must take the local conditions into consideration and
must pay attention to third persons, in particular
children, while working with the appliance.
Warning: Warning: Do not use the appliance if third persons are Warning: Warning: Warning:
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within the reach of the appliance unless
such persons wear protective clothes.
Warning: High-pressure jets may be Warning: Warning: Warning: Warning:
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dangerous if they are used improperly.
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The jet must not be directed at people, animals, active
electrical equipment, or the appliance itself.
Never direct the jet at yourself or third persons to
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clean clothes or shoes.
Never use the appliance to spray objects containing
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hazardous substances (e.g. asbestos).
Warning: Warning: Vehicle tyres/tyre valves may be damaged Warning:
Warning: Warning:
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and burst by the high-pressure jet. A first sign is the
discoloration of the tyre. Damaged vehicle tyres/tyre
valves are hazardous. Always perform the cleaning
with a minimum distance of 30 cm.
Cleaning operations during which oil saturated waste
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water 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
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minimum distance of 30 cm to avoid damages.
Never take in solvent-containing liquids or undiluted
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acids 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 appliance.
If required, wear appropriate protective clothes and
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glasses to protect yourself from return spray.
Never leave the appliance unattended as long as it
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turned on.
Warning: Warning: Warning: This appliance has been developed for the
Warning: Warning:
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use 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 ad-
dition, 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
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connection 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
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