Adjust Cleaning Temperature; Operation With Detergent; Operating With Cold Water; Eco Operation - Kärcher HDS 7/11-4 M Manual Del Usuario

The device starts briefly and turns off, as
soon as the working pressure is reached.
Note: If the indicator lamps for pump, rota-
tion direction, burner malfunction or engine
are on during operation, turn off the appli-
ance 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.
30 °C to 98 °C
– Clean with hot water.
100 °C to 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).
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 (+/-).
30
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.
EN – 7
Cleaning

Eco operation