Safety Devices; Environmental Protection - Kärcher HD 3.5/30-4S Ea Mode D'emploi

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.
pH value
electrical conductivity * Conductivity
settleable solids **
total suspended solids
***
Hydrocarbons
Chloride
Sulphate
Calcium
Total hardness
Iron
Manganese
Copper
Active chloride
free of bad odours
* Maximum total 2000 µS/cm
** Test volume 1 l, settling time 30 min
*** no abrasive substances

Safety Devices

Safety devices serve to protect the
user and must not be rendered in oper-
ational or their functions bypassed.
Overflow valve with pressure
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.
6
6,5...9,5
fresh water
+1200 µS/
cm
< 0,5 mg/l
< 50 mg/l
< 20 mg/l
< 300 mg/l
< 240 mg/l
< 200 mg/l
< 28 °dH
< 50 °TH
< 500 ppm
(mg CaCO
l)
< 0,5 mg/l
< 0,05 mg/l
< 2 mg/l
< 0,3 mg/l
switch
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.

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.
/
3
Please dispose of your old
appliances using appropriate
collection systems.
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
– 4
EN