Kärcher K 4.91 M Mode D'emploi page 13

Detergents
To ensure a trouble-free operation of the ap-
pliance and to match the individual cleaning
task, we recommend our Kärcher detergent
and maintenance agents. Please ask for our
advice, or request information on the prod-
ucts.
Maintenance and Care
Risk of injury
Always switch off the appliance and pull out
the mains plug before care and maintenance
work.
Cleaning
Prior to longer periods of storage, e.g. in the
winter:
" Remove filter from suction hose for de-
tergent and clean with running water.
" Pull out filter in water connection using
flat-nose pliers and clean with running
water.
Maintenance
The appliance is maintenance-free.
Frost protection
Frost can destroy the not completely drained
appliance. Store the appliance in a frost re-
sistant room during winter.
Spare Parts
Only use original Kärcher spare parts. You
will find a list of spare parts at the end of this
document.
Faults
You can rectify minor faults yourself with the
help of the following overview.
If in doubt, please consult the authorized
customer 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
authorized customer service.
Machine does not start
" Check whether the voltage indicated on
the type plate corresponds to the voltage
of the socket.
" Check the power cord for damage.
Pressure does not build up in the appli-
ance
" Check the setting at the spray lance.
" Evacuate air from the appliance: Switch
on the appliance when the HP hose is
not connected and allow it to run until the
water which discharges from the HP out-
let is free of bubbles. Then connect the
HP hose again.
" Clean the filter in the water supply con-
nection: This can be easily removed us-
ing flat-nose pliers.
" Check all supply lines to the HP pump for
leaks or blockages.
Strong pressure fluctuations
" Clean the high-pressure nozzle: Re-
move dirt and debris from the nozzle
bore with a needle and rinse through with
water towards the front.
" Check the volume of incoming water.
HP pump leaking
" Slight leakage from the HP pump is nor-
mal. If the leakage increases contact the
authorized customer service.
No detergent infeed
" Select the low-pressure setting for the
spray lance.
" Clean the filter of the detergent suction
hose.
" Check the DT suction hose for kinks.
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English