Operation With Detergent; Eco! Efficiency Setting; After Operation With Detergent - Kärcher HDS-E 3.3/25-4M Ec Manual Del Usuario

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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 the operating pressure on the pump
unit to the maximum value.
 Set the working pressure and feed
quantity by turning (steplessly) the
pressure/quantity regulation mecha-
nism at the hand spray gun (+/-).
DANGER
When adjusting the pressure/quantity regu-
lation, 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 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.
12
Cleaning
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.

Eco! efficiency setting

The appliance works in the most economi-
cal temperature range.
Note: The temperature can be regulated
up to 140 °F/60 °C.
Operating with hot water
We recommend the following cleaning tem-
peratures:
– Light contaminations
86 °F/30 °C-122 °F/50 °C
– Contaminations containing protein, i.e.
in the food processing industry
max. 140 °F/60 °C
– Vehicle cleaning, machine cleaning
140 °F/60 °C-185 °F/85 °C
DANGER
Scalding danger!
 Set temperature regulator to desired
temperature.
Note: Changing the working pressure and
the feed volume will also change the water
temperature.

After operation with detergent

 Set dosing value for detergent to "0".
 Set the appliance switch to "1" (opera-
tion with cold water).
 Open the hand spray gun and rinse the
appliance for at least 1 minute.
– 6
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