Manual Karcher K 6.450 (page 18 of 256) (English, German, Dutch, Danish, French, Italian, Polish, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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Illustration

Î Push the high pressure 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.

ṇ Warning

According to the applicable regula-

tions, the appliance must never be

used on the drinking water supply

without a system separator. Use a

suitable system separator manufactured by

KÄRCHER; or, as an alternative, a system

separator as per EN 12729 Type BA. Water

flowing through a system separator is con-

sidered non-drinkable.

Caution

Always connect the system separator to

the water supply, never directly to the appli-

ance!

Note: Impurities in the water can damage

the high-pressure pump and accessories.

For protection, the use of the KÄRCHER

water filter (optional accessory, order no.

4.730-059) is recommended.

Observe regulations of water supplier.

For connection values, see type plate/tech-

nical data.

Î Use a fibre-reinforced water hose (not

included) with a standard coupling.

(Minimum diameter 1/2 inch (13 mm),

minimum length 7.5 m).

Caution

Hose couplings made of metal with aquas-

top can damage the pump! Please use

plastic couplings or KÄRCHER brass cou-

plings.

Illustration

Î Screw the supplied coupling element to

the water connection on the appliance.

Push the water supply hose onto the

coupling unit, then connect it to the wa-

ter supply.

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).

Î Fill the KÄRCHER suction hose with

backflow valve with water, screw to wa-

ter supply and hang into the water butt.

Î Remove air from appliance before oper-

ation.

Switch on the appliance without con-

nection the high-pressure hose (max. 2

minutes) and run it until the water dis-

charging from the high-pressure outlet

is free of bubbles. Switch off appliance

and reconnect high-pressure hose.

Caution

Dry runs lasting longer than two minutes

lead to damages to the high pressure

pump. If the appliance does not build up

pressure within two minutes, switch it off

and proceed as instructed in the Chapter

"Troubleshooting".

Illustration

Î Push the spray lance into the trigger

gun and fasten it by turning it through

90°.

Illustration

Î Unwind the high pressure hose from the

hose drum. Hold on to the transport

handle during this procedure.

Note: If the hand crank is in its secured

position, fold it up first.

Î Completely open the water tap.

Î Completely uncoil the mains cable.

Î Insert the mains plug into the socket.

Î Turn on the appliance “I/ON”.

Connect the high pressure hose to the

hand spray gun

Water supply

Water supply from mains

Drawing in water from open reservoirs

Start up

18 EN

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Karcher K 6.450 Manual

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