High Pressure Operation; Operation With Detergent; Interrupting Operation - Kärcher HD 10/21-4 S Manual Original

High pressure operation

Note:
The appliance is equipped with a pressure
switch. The motor starts up only when the
trigger gun is open.
 Roll off the high pressure hose totally
from the hose drum.
 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.

Operation with detergent

WARNING
Unsuitable detergents can cause damage
to the appliance and to the object to be
cleaned. Use only those detergents that
have been approved by Kärcher. Observe
the dosage and other instructions provided
with these detergents. For considerate
treatment of the environment use detergent
economically.
Follow the safety instructions for using de-
tergents.
Kärcher detergents ensure smooth func-
tioning. Please consult us or ask for our cat-
alogue or our detergent information sheets.
 Fill detergent tank.
DANGER
Risk of injury! Switch the appliance off prior
to replacing nozzle and activate hand spray
gun until device is pressureless.
 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, attachment).
 Set dosing value for detergent to the
desired concentration.
Position of the dosing
valve
Detergent concentration
[%]
(for max. flow quantity)
Recommended cleaning method
 Spray the detergent sparingly on the
dry surface and allow it to react, but not
to dry.
1 3 5 7
0,5 2,5 5,0 7,0
EN
 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 concentration. 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.
 Open the hand spray gun.
The appliance will switch on again.
Turn off the appliance
 Shut off water supply.
 Open the hand spray gun.
 Switch on the pump with the power
switch and allow to run for about 5-10
seconds.
 Close the hand spray gun.
 Set the appliance switch to "0/OFF".
 Pull main plug out of socket with dry
hands only.
 Remove water connection.
 Activate hand spray gun until device is
pressure less.
 Secure the trigger gun. To do so, push
the safety catch towards the front.
DANGER
Danger of scalding on account of hot water.
The water remaining in the switched off de-
vice can get heated up. When you remove
the hose from the water inlet, the heated
water can spray out and cause scalding. Do
not remove the hose before the device has
cooled down.
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