Karcher K 4 Basic - Manual (Page 18)

– 9
Caution
Dry running of more than 2 minutes leads to
damage of the high-pressure pump. If the
appliance does not build up pressure within
2 minutes, switch the appliance off and pro-
ceed in accordance with the instructions in
Chapter "Troubleshooting".
Illustration

Push the high pressure hose into the
quick coupling until it locks audibly.
Note: Make sure the connection nipple
is aligned correctly.
 Check the secure connection by pulling
on the high pressure hose.
 Attach the water supply hose to the
coupling on the water connection.
Note: The supply hose is not included.
 Connect the water supply hose to the
water supply.
 Completely open the water tap.
 Insert the mains plug into the socket.
 Turn on the appliance “I/ON”.
 Unlock the lever on the trigger gun.
 Pull on the lever of the trigger gun; the
device will switch on.
Switch the appliance on for a (max. of 2
minutes) and wait until the water exits at
the hand spray gun without bubbles.
 Release the lever on the trigger gun.
Note: Release the lever of the trigger
gun; the device will switch off again.
High pressure remains in the system.
 Lock the lever on the trigger gun.
ṇ
Danger
The water jet that is emitted from the high-
pressure nozzle results in a repulsion pow-
er acting on the hand spray gun. Make sure
that you have a firm footing and are also
holding the hand spray gun and spray lance
firmly.
ṇ
Danger
High-pressure jets can be dangerous if im-
properly used. The jet may not be directed
at persons, animals, live electrical equip-
ment or at the appliance itself.
Caution
Car tyres, paint or sensitive surfaces such
as wood should not be cleaned with the dirt
blaster, as there is a risk of damage.
Illustration

Push the spray lance into the trigger gun
and fasten it by turning it through 90°.
 Unlock the lever on the trigger gun.
 Pull on the lever of the trigger gun; the
device will switch on.
ƽ
Danger
The use of wrong detergents or chemicals
can compromise the safety of the appli-
ance.
Please use exclusively KÄRCHER deter-
gents and care products to carry out the re-
spective cleaning task, as these were spe-
cifically developed for your appliance. The
use of other detergents and care products
may lead to premature wear and can inval-
idate your warranty claims. Please obtain
information at your local dealer or request
information directly from KÄRCHER.
ƽ
Danger
The improper use of detergents can cause
severe injuries or toxication.
When using detergents, the material data
safety sheet issued by the detergent manu-
facturer must be adhered to, especially the
instructions regarding personal protective
equipment.
Illustration

Pull detergent suction hose as far as is
required out of the housing.
 Suspend end of detergent suction hose
in a container filled with detergent.
 Use spray lance with pressure regula-
tion (Vario Power).
 Turn the spray lance to "Mix" position.
Note: This will mix the detergent with
the water stream.
 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 jet.
Start up
Operation
Working with detergent
Recommended cleaning method
18 EN