Kärcher HD 4.5/32-4 S Eb Instructions Manual page 10

High pressure operation
Note:
The appliance is equipped with a pres-
sure switch. The motor starts up only
when the trigger gun is open.
Set the appliance switch to "I".

Control lamp glows green.
Release the trigger gun. To do so,

push the safety catch towards the
back.
Open the hand spray gun.

Set working pressure and water

quantity by turning (rungless) at the
pressure and quantity regulation
(option) (+/-).
Note:
For transporting small quantities, the
engine heat ensures that water is heat-
ed up to approx. 15 °C.
Replace the nozzle
DANGER
Switch the appliance off prior to replac-
ing nozzel and activate hand spray gun
until device is pressureless.
Unscrew nozzle screws and re-

move the nozzle.
Put on a new nozzle.

Screw on the nozzle screws and

tighten them by hand.
Operation with detergent
WARNING
Unsuitable detergents can cause dam-
age to the appliance and to the object
to be cleaned. Use only those deter-
gents that have been approved by
Kärcher. Observe the dosage and oth-
er instructions provided with these de-
tergents. For considerate treatment of
the environment use detergent eco-
nomically.
Follow the safety instructions for using
detergents.
10
Kärcher detergents ensure smooth
functioning. Please consult us or ask
for our catalogue or our detergent in-
formation sheets.
Fill detergent tank.

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.
Replace high pressure nozzle with

a low pressure nozzle (size 250, at-
tachment).
Set dosing value for detergent to

the desired concentration.
Detergent concentration [%] (for max.
flow quantity)
Position of the
dosing valve
Detergent con-
centration [%]
(for max. flow
quantity)
Recommended cleaning method
Spray the detergent sparingly on

the dry surface and allow it to react,
but not to dry.
Spray off loosened dirt with the

high-pressure ray.
After operations, dip the filter in

clear water. Turn the dosing valve
to the highest detergent concentra-
tion. Start the appliance and rinse
for one minute.
Interrupting operation
Close the hand spray gun.

The appliance switches off.
Secure the trigger gun. To do so,

push the safety catch towards the
front.
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