Technical Specifications - Kärcher K 3.550 Manual

Pressure does not build up in the
appliance
 Check setting at the spray lance.
 Appliance ventilation: Switch the appli-
ance on with the high-pressure hose
detached and operate (max. 2 minutes)
until the water exits the high-pressure
connection without bubbles. Switch off
appliance and reconnect high-pressure
hose.
 Check the water supply.
 Pull out the sieve in the water connec-
tion using flat-nose pliers and clean un-
der running water.
Appliance does not start, motor
hums
Cause: Voltage reduction due to weak
mains supply or when using an extension
cable.
 When switching on, first pull the lever of
the trigger gun and then switch the ap-
pliance switch to "I/ON".
Strong pressure fluctuations
 Clean high-pressure nozzle: Remove
dirt and debris from the nozzle bore, us-
ing a needle and rinse through with wa-
ter from the front.
 Check water flow quantity.
Appliance is leaking
 Slight leakage from the appliance pump
is normal. If the leakage increases con-
tact the authorized customer service.
No detergent infeed
 Use spray lance with pressure regula-
tion (Vario Power).
Turn the spray lance to "Mix" position.
 Check the settings at the dosage regu-
lator for detergent.
 Check whether the Plug 'n' Clean deter-
gent bottle is placed into the detergent
connection facing down.
 Check the detergent suction hose for
kinks.

Technical specifications

Electrical connection
Voltage
Connected load
Protection class
Protective class
Mains fuse (slow-blow)
Water connection
Max. feed pressure
Max. feed temperature
Min. feed volume
Max. Suction height
Performance data
Working pressure
Max. permissible pressure
Water flow rate
Detergent flow rate
Recoil force of trigger gun
Dimensions and weights
Length
Width
Height
Weight, ready to operate with
accessories
Values determined as per EN 60335-2-79
Hand-arm vibration value
Uncertainty K
Sound pressure level L
Uncertainty K
Sound power level L
certainty K
WA
Subject to technical modifications!
– 10
EN
230
1~50
IP X5
300 mm
325 mm
876 mm
12,5 kg
<2,5
pA
pA
+ Un-
WA
V
Hz
1,8 kW
I
10 A
0,8 MPa
40 °C
10 I/min
0,5 m
11 MPa
12 MPa
6,3 I/min
0,3 I/min
15 N
m/s
2
0,3 m/s
2
73 dB(A)
2 dB(A)
89 dB(A)
19