Opening/Closing The Trigger Gun; High Pressure Operation; Replace The Nozzle; Operation With Detergent - Kärcher HD 3.0/20-4 M Ea Manual De Instrucciones

Opening/closing the trigger gun

To open the trigger gun: Actuate the

safety lever and trigger.
To close the hand spray gun: Re-

lease the safety lever and trigger.

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".

Release the trigger gun. To do so,

push the safety catch towards the
back.
Open the hand spray gun.

Set the working pressure and quantity

by turning the pressure/ quantity regu-
lation mechanism at the pump unit.

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.
Place the detergent bottle into the

bottle holder on the appliance or
place a detergent container next to
the appliance.. Two different deter-
gents can be simultaneously placed
into the appliance.
Pull the detergent suction hose out

and immerse it into the detergent
bottle or container.
Screw the lid onto the bottle or the

container.
Install the low pressure nozzle.

Set the deter-

gent dosing
valve to the de-
sired detergent
and concentra-
tion.
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.
After the interruption:
Release the trigger gun. To do so,

push the safety catch towards the
back.
– 8
EN