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Initial start-up
When the appliance is delivered, the HP hose
and trigger gun are not attached, this prevents
buckling. Please mount these before using the
appliance for the first time.
Push out the safety clip in the trigger gun us-
ing e.g. a small screwdriver.
Join HP hose and trigger gun together.
Push clip in until it engages and check that it
is securely fastened by pulling on the HP
hose.
Remove cable tie and unroll HP hose
Water supply
Water supply from mains
For connection values, see type plate/technical
data.
Observe regulations of water supplier.
Use a fibre-reinforced hose (not included)
with a standard coupling: - Minimum diame-
ter, 1/2 inches (13 mm). - Minimum length,
7.5 m.
Screw the coupling unit (supplied) to the wa-
ter connection on the appliance.
Push the water supply hose onto the cou-
pling unit, then connect it to the tap.
Caution
Never operate the high-pressure cleaner when
the tap is turned off as dry running will damage
the HP pump.
If the water supply is not clean, the Kärcher water
filter must be used (special accessory - order No.
4.730-059).
The appliance is not suited for use in
the drinking water supply network. It is
necessary to install a suitable system
separator from Kärcher, if the device is
to be used in the drinking water supply network.
Drawing in water from open reservoirs
When fitted with the appropriate accessories,
this high-pressure cleaner can draw in surface
water, e.g. from water butts or ponds (max. suc-
tion height 0.5 m).
Use the Kärcher water filter to protect the HP
pump and accessories (special accessories,
order no. 4.730-059). This filter removes dirt
from incoming water.
As the standard coupling system is not suita-
ble for use in suction mode, the Kärcher suc-
tion hose with integrated filter should be used
instead (special accessory, order no. 4.440-
238) and suspended inside the water butt.
Remove air from appliance before operation:
Switch on the appliance when the HP hose is
not connected and run it until the water which
discharges from the HP outlet is free of bub-
bles. Switch off appliance and connect HP
hose.
Note: Fill suction hose with water before use,
this will help ventilate the pump of air.
Start up
Screw HP hose on to HP outlet on appliance.
Push the appropriate spray lance on to the
trigger gun and fasten it by turning it to the
right through 90°.
Open tap.
Plug in mains plug.
Set main switch to "I/ON".
Press safety catch on the trigger gun to re-
lease it and pull lever.
High pressure operation
Risk of injury
The trigger gun is subjected to a recoil force
when the water jet is discharged. Make sure that
you have a firm footing and are also holding the
trigger gun and spray lance firmly.
Spray lance with pressure regulation
Carrying out the most common cleaning tasks.
The work pressure can be stagelessly regulated
between "Min" and "Max".
Release the lever on the trigger gun.
Turn the spray lance to the desired position.
Spray lance with dirt blaster
For strong contaminations.
Operation with detergent
Note:
Detergent can only be added when the appliance
is being operated in low pressure mode.
All washing brushes supplied by Kärcher are de-
signed for use with detergents.
Use spray lance with pressure regulation
(Vario Power).
Turn the spray lance to "Mix" position - low
pressure.
DT suction infeed from DT tank
During low pressure operation, detergent is
automatically drawn in from the filled deter-
gent tank.
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