Kärcher K 4.20 M Betriebsanleitung Seite 12

Start up
Caution
Never operate the high-pressure cleaner
when the tap is turned off as dry running will
damage the high-pressure pump.
Illustration
Connect the high pressure hose to the
high pressure connection of the appli-
ance.
Illustration
Push the spray lance into the trigger gun
and fasten it by turning it through 90°.
Completely open the water tap.
Insert the mains plug into the socket.
Turn on the appliance "I/ON".
Operation
Danger
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 hold-
ing the trigger gun and spray lance firmly.
Illustration
Unlock the lever on the trigger gun.
Pull on the lever of the trigger gun; the de-
vice will switch on.
Note: Release the lever of the trigger gun; the
device will switch off again. High pressure re-
mains in the system.
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.
Illustration
Turn the spray lance to the desired posi-
tion.
Spray lance with dirt blaster
For strong contaminations.
Not suitable for use with detergents.
Working with detergent
We recommend the Kärcher cleaning and
care program that will match the respective
cleaning requirements. Please seek consulta-
tion or request information on the subject.
Use spray lance with pressure regulation
(Vario Power).
12
English
Turn the spray lance to "Mix" position.
Illustration
Pull detergent suction hose as far as is re-
quired out of the housing.
Suspend end of detergent suction hose in
a container filled with detergent.
Recommended cleaning method
Spray the detergent sparingly on the dry
surface and allow it to react, but not to dry.
Spray off loosened dirt with the high-pres-
sure ray.
Interrupting operation
Release the lever on the trigger gun.
Illustration
Lock the lever on the trigger gun.
During longer breaks (more than 5 min-
utes), also turn the appliance off using the
"0/OFF" switch.
Insert the trigger gun in its holder.
Finish operation
After working with detergent, suspend de-
tergent 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.
Turn off the appliance "0/OFF".
Turn off tap.
Detach the appliance from the water sup-
ply.
Press the lever on the trigger gun to re-
lease any remaining pressure in the sys-
tem.
Lock the lever on the trigger gun.
Pull out the mains plug.
Stow away the mains cable, the high-
pressure hose and accessory at the appli-
ance.