Kärcher K 2.91 MD, Operating Instructions Manual

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8
English
You can rectify minor faults yourself with
the help of the following overview.
If in doubt, please consult the authorized
customer service.

Risk of electric shock
Always switch off the appliance and pull out
the mains plug before care and mainte-
nance work.

Warning
Repair works may only be performed by the
authorized customer service.
Machine does not start
Î Check whether the voltage indicated on
the type plate corresponds to the volt-
age of the socket.
Î Check the power cable for damage.
Pressure does not build up in the appli-
ance
Î Check the setting at the spray lance.
Î
Evacuate air from the appliance: Switch
on the appliance when the high pres-
sure hose is not connected and allow it
to run until the water which discharges
from the high pressure outlet is free of
bubbles. Then connect the high pres-
sure hose again.
Î Clean the filter in the water supply con-
nection: This can be easily removed us-
ing flat-nose pliers.
Î Check all supply lines to the High pres-
sure pump for leaks or blockages.
Strong pressure fluctuations
Î 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.
Î
Check the volume of incoming water.
High pressure pump leaking
Î Slight leakage from the high pressure
pump is normal. If the leakage increas-
es contact the authorized 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 Detergent suction hose for
kinks.
Troubleshooting
Specifications
Power connection
Voltage (1~50 Hz) 230-240 V
Connection output 1,4 kW
Mains fuse (slow-blow) 13 A
Protective class 1,IPX5
Water connection
Max. feed temperature 40 °C
Min. feed volume 8 l/min
Max. feed pressure 1,2 MPa
Performance data
Working pressure 8 MPa
Max. permissible pressure 10 MPa
Water flow rate 5,5 l/min
Detergent flow rate 0,4 l/min
Recoil force of handgun 12 N
Hand-arm vibration
(ISO 5349) 0,8 m/s
2
Sound pressure level
Lpa (EN60704-1) 72 dB(A)
Sound power level
Lwa (2000/14/EG) 86 dB(A)
Dimensions
Length 284 mm
Width 294 mm
Height 566 mm
Weight 8,1 kg