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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.
Frost can destroy the not completely drained ap-
pliance. Store the appliance in a frost resistant
room during winter.
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.
Risk of injury
Always switch off the appliance and pull out the
mains plug before care and maintenance work.
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
Summary of Contents for K 4000 M
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