Operating The Unit - Kärcher HD 10/21 S Bedienungsanleitung

Caution!
Use an extension cable with a sufficient
cable cross-section (see Technical Specifica-
tions) and unwind it fully from the cable drum.
For connected loads see model rating plate/
Technical Specifications.
Caution!
It is essential that the unit is connected
to the power supply by means of a plug. An in-
separable connection to the power supply is
prohibited. The plug is used to disconnect
from the mains.
Water connection/Suction feed
operation
Connection to water main
Caution!
Pay attention to the regulations of the
water supply company; according to DIN
1988, the unit may not be connected direct to
the public drinking water supply. A short-term
connection via a non-return valve
(Order no. 6.412-578) is allowed.
For connected loads see Technical Specifica-
tions.
Connect a supply hose (not supplied) to the
water outlet on the unit and to the water in-
let (e.g. water tap).
Open water inlet.
Suctioning water from an open container
Screw suction hose with filter
(Order no. 4.440-238) to the water outlet.
Vent the unit before using.
To evacuate air from the unit, unscrew the
nozzle and leave the unit running until wa-
ter exits with no air bubbles.
Switch off the unit and screw the nozzle
back on.

Operating the unit

Danger!
!
Observe the relative safety regulations
16
when using the unit at filling stations or other
high-risk areas.
Caution!
Only clean engines in places which
have appropriate oil separators (protection of
the environment).
Caution!
Only use the low-pressure flat jet to
wash animals.
Operating with high pressure
The unit is equipped with a pressure switch.
The motor only starts up when the lever is re-
tracted.
Unwind the high-pressure hose fully from
the cable drum.
Set the unit switch to "I".
Unlock the hand-held spray gun and retract
the lever of the gun.
Operating with detergent
Caution!
Unsuitable detergents can harm the
cleaner and the object which is to be cleaned.
Use only detergents which are released by
Kärcher. Proportions of detergent to be used
and accompanying instructions should be not-
ed carefully. Use detergents sparingly out of
consideration for the environment.
Kärcher cleaning agents guarantee trouble-
free operation. Please seek advice or ask for
our catalogue of information sheets on clean-
ing agents.
Fill detergent reservoir.
Replace the high-pressure nozzle with the
low-pressure nozzle (size 250, accessory).
Set the detergent metering valve to the
desired concentration.
Concentration of detergent when flow at
maximun:
Position of metering
valve
English
1 3 5 7
0.5 2.5 5.0 7.0
% % % %