Danger
Risk of injury. If you use the short spray
lance/adapter, the use of point spray noz-
zles is not permitted.
Operation with detergent
Warning
Unsuitable detergents can cause damage
to the appliance and to the object to be
cleaned. Use only those detergents that
have been approved by Kärcher. Observe
the dosage and other instructions provided
with these detergents. For considerate
treatment of the environment use detergent
economically.
Follow the safety instructions for using de-
tergents.
Kärcher detergents ensure smooth func-
tioning. Please consult us or ask for our
catalogue or our detergent information
sheets.
Place the detergent bottle into the bottle
holder on the appliance or place a de-
tergent container next to the appliance..
Two different detergents can be simul-
taneously placed into the appliance.
Pull the detergent suction hose out and
immerse it into the detergent bottle or
container.
Screw the lid onto the bottle or the con-
tainer.
Set nozzle to "CHEM".
34
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EN
Set the detergent
dosing valve to
the desired deter-
gent and concen-
tration.
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-
pressure ray.
After operations, dip the filter in clear
water. Turn the dosing valve to the
highest detergent concentration. Start
the appliance and rinse for one minute.
Interrupting operation
Release the lever of the hand-spray
gun; the device will switch off.
Release again the lever of the hand-
spray gun; the device will switch on
again.
Turn off the appliance
Set the appliance switch to "0".
Disconnect the mains plug from the
socket.
Shut off water supply.
Activate hand spray gun until device is
pressure-less.
Press the safety lever of the hand-spray
gun to secure the lever of the pistol
against being released accidentally.
Only on HD 9/20-4...:
Danger
Danger of scalding by means of hot water.
The water remaining in the switched off de-
vice can get heated up. When you remove
the hose from the water inlet, the heated
water can spray out and cause scalding.
Remove the hose only when the device has
cooled down.
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