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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
flowing through a system separator is con-
sidered non-drinkable.
Caution
Always connect the system separator to
the water supply, never directly to the appli-
ance!
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.
Connect filter (order-no. 4.730-012.0) to
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.
22
Danger
Risk of explosion!
Do not spray flammable liquids.
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.
Risk of blocking. Place the nozzles in the
accessory compartment with their joint
pointing upward.
Only HD 9/19....
Danger
Long hours of using the appliance can
cause circulation problems in the hands on
account of vibrations.
It is not possible to specify a generally valid
operation time, since this depends on sev-
eral factors:
Proneness to blood circulation deficien-
–
cies (cold, numb fingers).
Low ambient temperature. Wear warm
–
gloves to protect hands.
A firm grip impedes blood circulation.
–
Continuous operation is worse than an
–
operation interrupted by pauses.
In case of regular, long-term operation of
the device and in case of repeated occur-
rence of the symptoms (e.g. cold, numb fin-
gers) please consult a physician.
– 4
EN
Operation
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