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If the working pressure exceeds the max.
permissible overpressure by approx. 10%,
the burst disc will be destroyed and the wa-
ter will circulate inside the appliance with-
out pressure. High pressure operation no
longer possible.
The pressure switch switches off the appli-
ance if the minimum prepressure is not
reached.
The pressure sensor monitors the pressure
buildup in the high pressure system. If the
pressure sensor detects an exceedingly
rapid pressure decrease, as might be the
case with leaks or a burst hose, as well as
if the working pressure is exceeded, the ap-
pliance will shut off.
Keep the warning and instructive signs on
the appliance clean.
Replace damaged or missing warning and
instructive signs with new ones.
Furthermore, the personnel must partici-
pate in a Kärcher safety seminar.
The high pressure pump is driven by an in-
termediate gear by a diesel motor.
When the jet operation is interrupted, an
electric signal will switch the system from
hand spray gun to pressureless water cir-
culation.
The preset operating pressure is regulated
via the motor speed.
Please arrange for the proper disposal
of the old appliances
Old appliances contain valuable materials
that can be recycled; these should be sent
for recycling. Batteries, oil, and similar sub-
stances must not enter the environment.
Please dispose of your old appliances us-
ing appropriate collection systems.
Please make sure that engine and gear
oil, diesel and antifreeze
do not enter the environment. Protect the
ground and dispose of used oil as well as
fuel and antifreeze in an environmentally-
clean manner.
Please do not release mineral oil con-
taining wastewater
into the soil, surface waters or sewer sys-
tems.
Notes about the ingredients (REACH)
You will find current information about the
ingredients at:
http://www.karcher.de/de/unternehmen/
umweltschutz/REACH.htm
Use this appliance only as directed in these
operating instructions.
– The appliance is used to clean objects
by means of a high pressure water jet
with cold water without the use of deter-
gents.
– The appliance may only be equipped
with original accessories and spare
parts.
– The appliance is not suited for the use
in potentially explosive environments.
– The appliance is not suitable to be used
simultaneously with multiple spray
units.
– The fresh water supply must meet the
following requirements:
Burst disc
Pressure switch
High pressure sensor
Warning and instructive signs
ƽ Danger
Risk of injury on account
of electric shock!
ṇ Warning
Risk of burns on account
of hot surfaces!
ṇ Warning
Danger of crushing. Do
not remove the cover
while the appliance is
running.
Do not reach near the
cooling fan and the V-
belt while the motor is
running.
Î Retighten the wheel
bolts and the wheel
nuts after driving 50
km to a torque of 100
Nm.
Î Repeat the check af-
ter 500 km have been
driven and after 50
operating hours.
Î Repeat the safety
checks at regular in-
tervals.
Î Have the brake sys-
tem and the lighting
system checked reg-
ularly by an author-
ised dealer
workshop.
Function
Environmental protection
Proper use
max. temperature 60 °C
pH value 6,5...12
Total hardness 3...30 °dH
max. iron 0.2 mg/l Fe
max. manganese 0.05 mg/l Mn
max. chloride 100 mg/l Cl
max. organic substances 12 mg/l
KMnO
4
use
max. sulphate 100 mg/l SO
4
max. chlorine 0,5 mg/l Cl
2
min. dissolved oxygen 5 mg/l O
2
max. abrasive hazardous
substances
5 mg/l
free of undisolved gases
max. conductivity 1000 µS/cm
remaining values as per DIN 50930
4 EN