Kärcher HDS 13/20-4 S Manual Original página 29

 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.
30 °C to 98 °C
– Clean with hot water.
100 °C to 150 °C
– Clean using steam.
Follow the instructions given in the sec-
tion "Operation with 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).
Pressure/ quantity regulation at the
hand spray gun
 Set thermostat to max. 98 °C.
 Set the working pressure/quantity regu-
lation at the pump unit to maximum
quantity.
 Set the working pressure and feed
quantity by turning (steplessly) the
pressure/quantity regulation mecha-
nism at the hand spray gun (+/-).
DANGER
Risk of injury! When adjusting the pressure/
quantity regulation, make sure that the
screw connection of the spray lance does
not become loose.
Note: For long term work with low pres-
sure, set pressure at the pressure/quantity
regulation of the pump unit.
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 60 °C.
Operating with hot water/steam
We recommend the following cleaning tem-
peratures:
– Light contaminations
30-50 °C
– 7
EN
Cleaning
Eco operation
29