Operating instructions

– 4
to increased wear and tear or forma-
tion of deposits in the appliance.
If recycled water is used, the following
limit values must not be exceeded.
Safety devices serve to protect the
user and must not be rendered in oper-
ational or their functions bypassed.
While reducing the water supply/quan-
tity regulation at the pump head, the
overflow valve opens and part of the
water flows back to the pump suck
side.
If the pulling lever on the trigger gun is
released the pressure switch turns off
the pump, the high-pressure jet is
stopped. If the pulling lever is pulled
the pump is turned on again.
The overflow valve and pressure
switch are set and sealed at the facto-
ry. Setting only by customer service.
Electrical and electronic devices often
contain components which could po-
tentially pose a danger to human
health and the environment if handled
or disposed of incorrectly. However,
these components are necessary for
the proper operation of the device. De-
vices marked with this symbol must not
be disposed of with regular household
rubbish.
Notes about the ingredients
(REACH)
You will find current information about
the ingredients at:
www.kaercher.com/REACH
pH value 6,5...9,5
electrical conductivity * Conductivity
fresh water
+1200 µS/
cm
settleable solids ** < 0,5 mg/l
total suspended solids
***
< 50 mg/l
Hydrocarbons < 20 mg/l
Chloride < 300 mg/l
Sulphate < 240 mg/l
Calcium < 200 mg/l
Total hardness < 28 °dH
< 50 °TH
< 500 ppm
(mg CaCO
3
/
l)
Iron < 0,5 mg/l
Manganese < 0,05 mg/l
Copper < 2 mg/l
Active chloride < 0,3 mg/l
free of bad odours
* Maximum total 2000 µS/cm
** Test volume 1 l, settling time 30 min
*** no abrasive substances
Safety Devices
Overflow valve with pressure
switch
Environmental protection
The packaging material can
be recycled. Please do not
throw the packaging material
into household waste; please
send it for recycling.
Old appliances contain valu-
able materials that can be re-
cycled; these should be sent
for recycling. Batteries, oil,
and similar substances must
not enter the environment.
Please dispose of your old
appliances using appropriate
collection systems.
6 EN