Kärcher HDS 550 C Eco Original Instructions Manual page 256

Operation
Danger
Risk 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 fingertight.
Caution
Never operate device with empty fuel tank
The fuel pump will otherwise be destroyed.
Safety instructions
Warning
Long hours of using the appliance can
cause circulation problems in the hands on
account of vibrations.
It is not possible to specify a generally valid
operation time, since this depends on sev-
eral factors:
Proneness to blood circulation deficien-
–
cies (cold, numb fingers).
Low ambient temperature. Wear warm
–
gloves to protect hands.
A firm grip impedes blood circulation.
–
Continuous operation is worse than an
–
operation interrupted by pauses.
In case of regular, long-term operation of
the device and in case of repeated occur-
rence of the symptoms (e.g. cold, numb fin-
gers) please consult a physician.
Replace the nozzle.
Danger
Switch the appliance off prior to replacing
nozzel and activate hand spray gun until
device is pressureless.
30
Turning on the Appliance
 Set the appliance switch to "I".
Indicator lamp for operational readiness
lights up.
Note: If the control lamps fuel low, liquid
softener or exhaust temperature limiter
light up, please switch the appliance off im-
mediately and fix the error, see "Help with
malfunctions".
The device starts briefly and turns off, as
soon as the working pressure is reached.
Figure 5
 Release the hand spray gun (A).
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 device switch to desired tempera-
ture.
30 °C to 90 °C
Clean with hot water.
–
100 °C to 150 °C
Clean using steam.
–
 Replace the high-pressure nozzle with
steam nozzle (refer "Using steam").
Set working pressure and flow rate
Only HDS 558.../601.../698.../798...
Servo pressure regulation:
 Set device switch to max. 98 °C.
Figure 6
 Set regulating spindle to maximum
working pressure.
Figure 5
Set working pressure and flow rate
–
through turning (directly) at the pres-
sure- and amount regulation (B) of the
handgun (+/-).
Danger
When adjusting the pressure/quantity regu-
lation, make sure that the screw connection
of the spray lance does not become loose.
– 6
EN