Power Connection; Operation; Turning On The Appliance - Kärcher HDS 645-4 M Basic Betriebsanleitung

Remove water connection from the
pump head.
Unscrew the upper supply hose with the
fine filter to the swimmer container and
connect it to the pump head.
Connect suction hose (minimum diame-
ter 3/4") with filter (accessory) to the wa-
ter connection point.
– Max. suck height: 0.5 m
Until the pump sucked in water, you should:
Turn the pressure and quantity regula-
tion to MAX.
Close the dosing valve for the deter-
gent.
Danger
Never suck in water from a drinking water
container. Never suck in liquids which con-
tain solvents like lacquer thinner, petrol, oil
or unfiltered water. The sealings within the
device are not solvent resistant. The spray
mist of solvents is highly inflammable, ex-
plosive and poisonous.

Power connection

For connection values, see technical data
and type plate.
Warning
The highest allowed net impedance at the
electrical connection point (refer to techni-
cal data) is not to be exceeded.
Warning
Check direction of rotation of the engine at
every socket change.
– With correct direction of rotation a
strong airflow can be felt out of the ex-
haust opening of the burner.
Figure 14
Exchange the poles at the device plug if
the rotation direction is wrong .
If you have to use an extension chord,
then the same must always be rolled up
and have an adequate cross-section.
22
English

Operation

Warning
Never operate device with empty fuel tank
The fuel pump will otherwise be destroyed.

Turning on the Appliance

Figure 2 - Pos. 1
Set the appliance switch to "I".
Indicator lamp for operational readiness
lights up.
Note
The temperature regulator must be at "0"
position because otherwise the burner will
switch off.
The device starts briefly and turns off, as
soon as the working pressure is reached.
Note
If the indicator lamps for fuel, liquid softner
or engine are on during operation, turn off
device immediately and repair malfunction,
refer to malfunctions.
Figure 6
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 malfunctions
"Device is not building up pressure".
Adjust cleaning temperature.
Figure 2 - Pos. 2
Set temperature regulator to desired
temperature.
30 °C to 80 °C
– Clean with hot water.
Set working pressure and flow rate
Figure 7
Turn the regulation spindle in a clock-
wise direction: Increase working pres-
sure (MAX).