Technical Specifications; Troubleshooting - Kärcher NT 251 Bedienungsanleitung

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NT 251

Wet-vacuuming

Never use this cleaner to vacuum explosive

liquids, acids or solvents.

• The paper filter bag must be removed before

using the cleaner for wet-vacuuming.

• The cartridge or fabric filter must remain in the

unit. Let it dry out before using it again for dry

vacuuming.

• If the container is full, the float closes the inlet,

the suction power is reduced, and the suction

motor runs at a higher speed. When this

happens, switch off and unplug the cleaner

from the mains electricity.

• Hold the hose up high to allow any liquid to flow

into the container.

• Cleaning can be continued as soon as the

container has been emptied.

Emptying the container

• Release the container clips, lift off the

vacuuming assembly, and lay it on its side.

• Within a short period of time wet dirt will start to

decay, therefore empty the container after each

use, and rinse it out with clean water.

Troubleshooting

Problem

Motor (suction turbine) does

not work

Suction power drops off

gradually

Suction power drops off

suddenly

Dust is expelled during

vacuuming

Replacing and cleaning the filter

cartridge or fabric filter

• Release the container clips, lift off the

vacuuming assembly, and lay it on its side.

• Loosen the bayonet catch holding the cartridge

filter and remove cartridge filter, or pull off the

fabric filter (Illustration D).

• Cleaning can be done with a soft brush or by

holding the filter under running water

(Illustration E). Let it dry out before using it

again for dry vacuuming.

• Place the vacuum assembly onto the container,

and secure with the clips.