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4 Safety Precautions
may be injured and the water hose may be
damaged.
► Do not direct the water jet at the water
hose.
► Route and mark the water hose so that
people will not trip over it.
► Route the water hose so that it is not under
tension or tangled.
► Route the water hose so that it will not be
damaged, kinked or crushed, or chafed.
► Protect the water hose from heat, oil and
chemicals.
■ The strong water jet produces reactive forces.
The user may lose control of the spraying sys‐
tem due to the reaction forces that occur. The
user may be seriously injured and property
damage may occur.
► Hold the spray gun with both hands.
► Work as described in this user manual.
4.8
Detergents
WARNING
■ If detergents come into contact with the skin or
eyes, the skin or eyes may be irritated.
► Observe the user manual for the detergent.
► Avoid contact with detergents.
► If skin contact occurs: Wash affected areas
of skin with plenty of water and soap.
► If eye contact occurs: Flush eyes with
plenty of water for at least 15 minutes and
consult a doctor.
■ Using the wrong or inappropriate detergent
can damage the pressure washer or the sur‐
face of the object being cleaned and be harm‐
ful to the environment.
► STIHL recommends the use of genuine
STIHL detergents.
► Observe the user manual for the detergent.
► If you have any doubts, be sure to consult a
STIHL dealer.
4.9
Connecting the water supply
WARNING
■ Releasing the spray gun trigger causes a kick‐
back in the water hose. A kickback can force
dirty water back into the drinking water main.
This can pollute the drinking water.
► Do not connect the high-pressure
washer directly to the drinking water
main.
► Observe the regulations of the water supply
company. If required, use proper system
0458-004-9821-B
separation (e.g. backflow preventer) when
connecting to the drinking water system.
■ Dirty or sandy water can damage components
of the pressure washer.
► Use clean water.
► If using dirty or sandy water: Use a water fil‐
ter with the pressure washer.
■ If the water supply to the pressure washer is
insufficient, components of the pressure
washer may be damaged.
► Turn tap fully on.
► Make sure there is a sufficient supply of
water to the pressure washer,
4.10
Connecting to the power supply
Contact with live components may occur for the
following reasons:
– The connecting cable or the extension cord is
damaged.
– The mains plug of the connecting cable or
extension cord is damaged.
– The socket is not properly installed.
DANGER
■ Contact with live parts may result in electric
shock. This may result in serious or fatal injury
to the user.
► Make sure that the connecting cable, exten‐
sion cord and their mains plugs are undam‐
aged.
If the connecting cable or the extension
cord is damaged:
► Do not touch the damaged area.
► Disconnect the mains plug from the
power supply.
► Make sure your hands are dry before touch‐
ing the connecting cable, extension cord or
mains plugs.
► Plug the mains plug of the connecting cable
or extension cord into a properly installed,
shockproof socket with the correct fuse rat‐
ing.
► Have a qualified electrician connect the
device to the mains and make sure the
requirements set out in IEC 60364-1 have
been met. We recommend connecting the
machine to the power supply via an earth-
leakage circuit breaker that disconnects the
power supply as soon as the leakage cur‐
rent to earth exceeds 30 mA for 30 ms or
the power supply features an earth tester.
■ A damaged or unsuitable extension cable can
result in electric shock. There is a risk of seri‐
ous or fatal injury.
► Use an extension cable with the correct
cable cross-section,
English
18.
18.2.
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