Kärcher K 4 Silent, Original Operating Instructions

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The scope of delivery of your appliance is illustrated on
the packaging. Check the contents of the appliance for
completeness when unpacking.
In the event of missing accessories or any transport
damage, please contact your dealer.
Illustrations on fold-out page!
1 Storage for accessories
2 Transport handle, detachable
3 Carrying handle
4 Quick coupling for high pressure hose
5 Mains cable with mains plug
6 Appliance switch „0/OFF“ / „I/ON“
7 Storage for high pressure hose and mains cable
8 Carrying handle
9 Bearing wheel
10 Water connection with integrated sieve
11 Coupling element for water connection
12 Detergent suction hose (with sieve)
13 PremiumFlex high pressure hose
14 High pressure cleaner connection
15 Trigger gun connection
16 Trigger gun
17 Lock trigger gun
18 Key to detach the high pressure hose from the trig-
ger gun
19 Spray lance with Dirtblaster
For strong contaminations.
20 Spray lance with pressure regulation (Vario Power)
Carrying out the most common cleaning tasks.
The working pressure can be continuously in-
creased from "SOFT" to "HARD". To adjust the
working pressure, release the trigger gun lever and
turn the spray lance to the desired position.
Suitable for use with detergents.
Mount loose parts delivered with appliance prior to start-
up.
Illustrations on fold-out page!
 Illustration
Screw the coupling element to the water connec-
tion on the appliance.
 Park the appliance laying down (horizontal) on an
even surface.
 Illustration
Push the trigger gun connection of the high pres-
sure hose into the trigger gun until it locks audibly.
Note: Make sure the connection nipple is aligned
correctly.
 Check the secure connection by pulling on the high
pressure hose.
 Illustration
Push the high pressure cleaner connection of the
high pressure hose into the quick coupling until it
locks audibly.
 Insert the mains plug into the socket.
For connection values, see type plate/technical data.
ATTENTION
Impurities in the water can damage the high-pressure
pump and the accessories. For protection, the use of
the KÄRCHER water filter (optional accessory, order
no. 4.730-059) is recommended.
Observe regulations of water supplier.
ATTENTION
Hose couplings made of metal with aquastop can dam-
age the pump! Please use plastic couplings or KÄRCH-
ER brass couplings.
 Illustration
Attach the water supply hose to the coupling on the
water connection.
 Connect the water supply hose to the water supply.
 Completely open the water tap.
This high-pressure cleaner is suited to work with the
KÄRCHER suction hose with backflow valve (Optional
accessory, order no. 2.643-100) to draw in surface wa-
ter, e.g. from water butts or ponds (see specifications for
max. suction height).
 Remove coupling from the water connection.
 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 operation.
 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 bubbles (max. 2 minutes).
 Release the lever on the trigger gun.
Note: Release the lever of the trigger gun; the de-
vice will switch off again. High pressure remains in
the system.
 Lock the lever on the trigger gun.
Description of the Appliance
** Additionally required
21 Water supply hose
Fabric-reinforced water hose with commercially
available coupling.
– Minimum diameter, 1/2 inches (13 mm).
– Minimum length 7.5 m.
22 Universal hose coupling with Aqua Stop
Assembly
Start up
Water supply
Water supply from mains
Drawing in water from open reservoirs
11 EN