Karcher HDS 3-5-23 -4M Eg User Manual

Page 13

– 6

Danger

Switch the appliance off prior to replacing
nozzel and activate hand spray gun until
device is pressureless.

1 Operating with cold water
2 Eco operation (hot water max. 140 °F/

60 °C)

3 Operating with hot water/steam



Set appliance switch to desired operat-
ing mode.
Indicator lamp for operational readiness
lights up.

The device starts briefly and turns off, as
soon as the working pressure is reached.
Note: If the indicator lamps for pump, burn-
er malfunction or engine are on during op-
eration, turn off the appliance immediately
and repair malfunction, refer to "Help with
malfunctions".


Release the trigger gun.

When activating the hand spray gun the de-
vice switches back on.
Note:If no water comes out of the high
pressure nozzle, vent pump. Refer to "Help
with malfunctions - appliance is not building
up pressure".



Set temperature regulator to desired
temperature.

86 °F/30 °C to 208 °F/98 °C:

–

Clean with hot water.

212 °F/100 °C to 302 °F/150 °C

–

Clean using steam.



Replace the high-pressure nozzle
(stainless steel) with steam nozzle
(brass), (refer to "Using steam").



Turn the regulation spindle in a clock-
wise direction: Increase working pres-
sure (MAX).



Turn the regulation spindle in an anti-
clockwise direction: Reduce working
pressure (MIN).

–

For considerate treatment of the envi-
ronment use detergent economically.

–

The detergent must be suitable for the
surface to be cleaned.



With support of the detergent dose
valve set detergent concentration as
determined by the manufacturer.

Note: Recommended values at the control
panel at maximum working pressure.



Set pressure/temperature and deter-
gent concentration according to the sur-
face to be cleaned.

Note: To prevent damage due to too much
pressure, always position high pressure ray
first from a greater distance towards object
to be cleaned.

–

Loosen the dirt:



Spray detergent economically and let it
work for 1...5 minutes but do not let it
dry up.

–

Remove the dirt:



Spray off loosened dirt with the high-
pressure jet.

Replace the nozzle

Operating modes

0/OFF =Off

Turning on the Appliance

Adjust cleaning temperature

Set working pressure and flow rate

Pressure/quantity regulation of the
pump unit

Operation with detergent

Cleaning

Recommended cleaning method