Kärcher HD 7/12-4 M Bedienungsanleitung Seite 20

The appliance may only be connected to an
electrical supply which has been installed in
accordance with IEC 60364.
The voltage indicated on the type plate
must correspond to the voltage of the elec-
trical source.
The minimum fuse rating required at the
socket outlet is (see technical specifica-
tions).
The maximum tolerable mains impedance
at the electrical contact point (see Techni-
cal Data) must not be exceeded.
The appliance should always be connected
to the electrical mains using a plug. It is for-
bidden to permanently connect the appli-
ance to the power supply. The plug is only
for mains separation.
Check the power cord with mains plug for
damage before every use. If the power cord
is damaged, please arrange immediately
for the exchange by an authorized custom-
er service or a skilled electrician.
The plug and coupling of the extension ca-
ble used must be watertight.
Use the extension cord that has an ade-
quate cross-section (see "Technical Data")
and unwind it fully from the cable drum.
Unsuitable extension cables can be haz-
ardous. Only use extension cables out-
doors which have been approved for this
purpose and labelled with a sufficient cable
cross section:
For connection values, see type plate/tech-
nical data.
Water connection
Connection to the water supply
Warning
Observe regulations of water supplier.
According to the applicable regula-
tions, the appliance must never be
used on the drinking water supply
without a system separator. Use a
suitable system separator manufactured by
KÄRCHER; or, as an alternative, a system
separator as per EN 12729 Type BA. Water
20
English
flowing through a system separator is con-
sidered non-drinkable.
For connection values refer to technical
specifications
Connect the supply hose (minimum
length 7.5 m, minimum diameter 1") to
the water connection point of the appli-
ance (such as the tap).
Note
The supply hose is not included.
Open the water supply.
Drawing in water from open reservoirs
Screw the suction hose (order no.
4.440-270.0) onto the water connec-
tion.
Attach the filter (order no. 4.730-012) to
the suction hose.
Deaerate the appliance:
Unscrew the nozzle.
Switch on the appliance and let it run
until the water exiting is bubble-free.
At the end let the appliance run for ap-
prox. 10 seconds - then switch off. Re-
peat the procedure for a couple of
times.
Switch off the appliance and fit the noz-
zle again.
Operation
Danger
If the appliance is used in hazardous areas
(e.g. filling stations) the corresponding
safety provisions must be observed.
Warning
Clean engines only at places with corre-
sponding oil separators (environmental
safety).
The jet must not be directed at other per-
sons or directed by the user at him/herself
to clean clothing or footwear.
Wash animals only with a flat low pressure
jet (see "Select spray type").
Risk of blocking. Place the nozzles in the
accessory compartment with their joint
pointing upward.