Manual Karcher K 3.97M (page 13 of 160) (English, German, Dutch, Danish, French, Italian, Polish, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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English 13

Risk of injury

Always switch off the appliance and pull out the

mains plug before care and maintenance work.

Prior to longer periods of storage, e.g. in the win-

ter:

Î Remove filter from suction hose for deter-

gent and clean with running water.

Î Pull out filter in water connection using flat-

nose pliers and clean with running water.

The appliance is maintenance-free.

The appliance and its accessories can get de-

stroyed through frost if there are any water resi-

dues in them. To avoid damage to them:

Î Store the appliance and the entire accesso-

ries in a frost-safe room.

Only use original Kärcher spare parts. You will

find a list of spare parts at the end of this docu-

ment.

You can rectify minor faults yourself with the help

of the following overview.

If in doubt, please consult the authorized custom-

er service.

ƽ Risk of injury

Always switch off the appliance and pull out the

mains plug before care and maintenance work.

ƽ Warning

Repair works may only be performed by the au-

thorized customer service.

Appliance does not start

Î Check whether the voltage indicated on the

type plate corresponds to the voltage of the

socket.

Î Check the power cable for damage.

Pressure does not build up in the appliance

Î Check the setting at the spray lance.

Î Evacuate air from the appliance: Switch on

the appliance when the HP hose is not con-

nected and allow it to run until the water

which discharges from the HP outlet is free of

bubbles. Then connect the HP hose again.

Î Clean the filter in the water supply connec-

tion: This can be easily removed using flat-

nose pliers.

Î Check all supply lines to the HP pump for

leaks or blockages.

Strong pressure fluctuations

Î Clean the high-pressure nozzle: Remove dirt

and debris from the nozzle bore with a nee-

dle and rinse through with water towards the

front.

Î Check the volume of incoming water.

HP pump leaking

Î Slight leakage from the HP pump is normal.

If the leakage increases contact the author-

ized customer service.

No detergent infeed

Î Select the low-pressure setting for the spray

lance.

Î Clean the filter of the detergent suction hose.

Î Check the DT suction hose for kinks.

Maintenance and care

Cleaning

Maintenance

Frost protection

Spare Parts

Troubleshooting

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Karcher K 3.97M Manual

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