High Pressure Operation; Operation With Detergent - Kärcher HD 6/11-4 M Plus Manual

High pressure operation

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 water quanti-
ty by turning (rungless) at the pressure-
and volume regulator (+/-) (not on HD 9/
18 M).
Only on HD 9/20-4...:
For transporting small quantities, the en-
gine heat ensures that water is heated up to
approx. 15 °C.
Select spray type
 Close the hand spray gun.
 Turn the casing of the nozzle till the de-
sired symbol matches the marking.
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
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 cat-
alogue 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".
 Set the detergent dosing
valve to the desired deter-
gent and concentration.
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.
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