Kärcher HDS-E 3.3/25-4M Ec Manual page 10

DANGER
Danger of explosion! Do not spray flammable liquids.
DANGER
Risk of injury! Never use the appliance without the spray
lance attached. Check and ensure proper fitting of the
spray lance prior to each use. The screw connection of
the spray lance must be finger-tight.
DANGER
Risk of injury! Hold the hand spray gun and the spray
pipe firmly with both hands.
DANGER
Risk of injury! The trigger and safety lever may not be
locked during the operation.
DANGER
Risk of injury! Contact Customer Service if the safety le-
ver is damaged.
Note: With especially hard water, calcium can be floc-
culated at a higher rate inside the boiler. This is a natu-
ral phenomenon and it does not impact the function of
the appliance, so long as the maintenance intervals are
adhered to (see "Care and Maintenance").
Opening/closing the trigger gun
 To open the trigger gun: Actuate the safety lever
and trigger.
 To close the hand spray gun: Release the safety le-
ver and trigger.
Replace the nozzle
DANGER
Risk of injury! Switch the appliance off prior to replacing
nozzle and activate hand spray gun until device is pres-
sureless.
 Secure the trigger gun. To do so, push the safety
catch towards the front.
 Replacing the nozzle.
Turning on the Appliance
 Set appliance switch to desired operating 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, lack of water, boil-
er malfunction or motor, turn off the appliance immedi-
ately and repair malfunction, refer to "Help with malfunc-
tions".
 Release the trigger gun. To do so, push the safety
catch towards the back.
When activating the hand spray gun the device switch-
es 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 185 °F/85 °C:
– Clean with hot water.
10
Operation
Boiler
Set working pressure and flow rate
Pressure/quantity regulation of the pump unit
 Turn the regulation spindle in a clockwise direction:
Increase working pressure (MAX).
 Turn the regulation spindle in an anti-clockwise di-
rection: Reduce working pressure (MIN).
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 deter-
gent concentration as determined by the manufac-
turer.
Note: Recommended values at the control panel at
maximum working pressure.
 Set pressure/temperature and detergent concen-
tration according to the surface to be cleaned.
Note: To prevent damage due to too much pressure, al-
ways position high pressure ray first from a greater dis-
tance 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.
Eco! efficiency setting
The appliance works in the most economical tempera-
ture range.
Note: The temperature can be regulated up to 140 °F/
60 °C.
Operating with hot water
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-185 °F/85 °C
DANGER
Scalding danger!
 Set temperature regulator to desired temperature.
Note: Changing the working pressure and the feed vol-
ume will also change the water temperature.
Interrupting operation
 Secure the trigger gun. To do so, push the safety
catch towards the front.
– 4
EN
Cleaning