Operation With Detergent - Kärcher HDS 3.5/23-4M Eg Manual

Turning on the Appliance
 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. To do so, push
the safety catch towards the back.
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".
Adjust cleaning temperature
 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").
Set working pressure and flow rate
Pressure/quantity regulation of the
pump unit
 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).
14

Operation with detergent

– 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.
Recommended cleaning method
– 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.
Operating with cold water
Removal of light contaminations and clear
rinse, i.e.: Gardening tools, terrace, tools,
etc.
 Set operating pressure according to
need.
The appliance works in the most economi-
cal temperature range.
Note: The temperature can be regulated
up to 140 °F/60 °C.
– 7
EN
Cleaning
Eco operation