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 gun with EPC
EPC: 3-Step electronic power control.
Loose lever on the spray gun briefly (less
than one second) to change EPC-setting.
The EPC power steps will be changed one
after another, from Step 3, over Step 2, to
Step 1. From Step 1 it will be changed back
to Step 3.
–
Step 3 - Maximum:
Maximum pressure and water flow.
–
Step 2 - Medium:
Reduced pressure and water flow.
–
Step 1 - Soft:
Gentle pressure and water flow.
Note: The electronic saves the EPC-setting for
20 minutes. After longer breaks or after the
mains plug was unplugged, the EPC-setting will
be reset to Step 3.
Spray lance with HP nozzle
For normal cleaning tasks.
Spray lance with dirt blaster
For strong contaminations.
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English
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.
Detach spray lance from the trigger gun
A low-pressure jet is generated if the spray
lance is not attached to the trigger gun.
DT suction infeed from DT tank
During low pressure operation, detergent is
automatically drawn in from the filled deter-
gent tank.
Recommended Cleaning Method
1
Spray a small dose of the detergent on the
dry surface, and allow it to react (make sure
the detergent does not dry up).
2
Wash off the loosened dirt using the high-
pressure jet.
Detergents
To ensure a trouble-free operation of the appli-
ance and to match the individual cleaning task,
we recommend our Kärcher detergent and main-
tenance agents. Please ask for our advice, or re-
quest information on the products.
Interrupting operation
Release the lever on the trigger gun.
During breaks, use the safety catch to secure
the trigger gun lever.
During longer breaks (more than 5 minutes),
also turn the appliance off using the ON/OFF
switch.
Finish operation
If detergent has been added: Suspend deter-
gent suction hose in a container filled with
clear water, switch the appliance on for
around 1 minute once the spray lance has
been removed and rinse until water runs
clear.
Release the lever on the trigger gun.
Switch the appliance switch to "0/OFF".
Turn off tap.
Press the lever on the trigger gun to release
any remaining pressure in the system.
Disconnect the appliance from the water
supply.
Detach spray lance from the trigger gun.