Operation - Kärcher K 4 Silent Edition Instructions Manual

Drawing in water from open reservoirs
This high-pressure cleaner is suited to work
with the KÄRCHER suction hose with back-
flow valve (Optional accessory, order no.
4.440-238) to draw in surface water, e.g.
from water butts or ponds (see specifica-
tions for max. suction height).
 Remove coupling from the water con-
nection.
 Fill the suction hose with water.
 Screw the suction hose into the water
connection of the appliance and insert it
into the water source (e.g. rainwater
drum).
Remove air from appliance before oper-
ation.
 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.
 Let the appliance work until the water
exits at the hand spray gun without bub-
bles (max. 2 minutes).
 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.

Operation

ATTENTION
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".
ATTENTION
Risk of damage! The appliance must
only be operated laying down (horizon-
tal).
High pressure operation
CAUTION
Keep a distance of at least 30 cm when us-
ing the jet for cleaning painted surfaces to
avoid damage.
ATTENTION
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°.
 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.
Note: Release the lever of the trigger
gun; the device will switch off again.
High pressure remains in the system.
Operation with detergent
Note: Detergent can only be added when
the device is operated in low pressure
mode.
DANGER
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.
English 19