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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 (max length
7.5 m, minimum diameter 1/2“) to the
water connection point of the machine
and at the water supply point (for e.g. a
tap).
Note
The supply hose is not included.
Open the water supply.
Screw the suction hose with filter (order
no. 4.440-238.0) to the water connec-
tion.
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.
Danger
Risk of explosion!
Do not spray flammable liquids.
If the appliance is used in hazardous areas
(e.g. filling stations) all of the safety provi-
sions and operating instructions detailed in
this manual must be observed.
Caution
Clean engines only at places with corre-
sponding oil separators (environmental
safety).
Risk of blocking. Place the nozzles in the
accessory compartment with their joint
pointing upward.
Note
The appliance is equipped with a pressure
switch. The motor starts up only when the
lever of the pistol is pulled.
Roll off the high pressure hose totally
from the hose drum.
Set the appliance switch to "I".
Unlock the hand-spray gun and pull the
lever of the gun.
Set working pressure and flow rate
through turning (runless) at the pres-
sure- and amount regulation (B) (+/-).
Close the hand spray gun.
Turn the casing of the nozzle till the de-
sired symbol matches the marking.
Water connection
Connection to the water supply
Drawing in water from open reservoirs
Operation
High pressure operation
Select spray type
High pressure circular spray
(0°) for specially stubborn dirt
Flat low pressure spray
(CHEM) for operating using
detergents or cleaning at low
pressure.
High pressure flat spray (25°)
for large dirt areas
21
EN
