Kärcher HDS 4.0/20-4 Ea Mode D'emploi page 12

ASSEMBLY & INSTALLATION INSTRUCTIONS
Operation With Detergent
For considerate treatment of the environment 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.
Cleaning
Set pressure/temperature and detergent concentration
according to the surface to be cleaned.
Note: To prevent damage due to too much pressure,
always position high pressure ray first
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 Operation
The appliance works in the most economical temperature
range.
Note: The temperature can be regulated up to 140 °F/
60 °C.
Operating with Hot Water/Steam
We recommend the following cleaning temperatures:
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-194 °F/90 °C
De-preserve, contaminations containing strong fat contents
212 °F/100 °C-230 °F/110 °C
De-frosting of surcharge substances, partially facade
cleaning
up to 284 °F/140 °C
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Operating with Hot Water
Scalding danger!
Set temperature regulator to desired temperature.
Operating with steam
Scalding danger!
Therefore the following measures must definitely be
performed:
In steam operation (> 212ºF/100ºC), use the steam
nozzle available as an accessory (for part no.,
see technical data). Replace high pressure nozzle
(stainless steel) with steam nozzle (brass).
Set the working pressure/quantity regulation at the pump
unit to the minimum quantity.
Set temperature regulator to min. 212 °F/100 °C.
Danger of scalding from hot water! After the operation
with hot water or steam, the device must be operated
with opened gun with cold water for at least two
minutes.
If detergents were used, draw clear water through the
detergent line to purge detergent.
• Shut off water supply.
 • Open the hand spray gun.
 • Switch on the pump with the power switch and allow
to run for about 5-10 seconds.
 • Close the hand spray gun.
 • Set the appliance switch to "0/OFF".
 • Pull main plug out of socket with dry hands only.
 • Remove water connection.
 • Activate hand spray gun until device is pressure less.
 • Secure the trigger gun. To do so, push the safety catch
towards the front.
Operating Manual HDS Premium 9.808-215.0
DANGER
DANGER
TURN OFF THE APPLIANCE
DANGER