Maintenance and care, Care, Pump maintenance – Karcher G 4-10 M User Manual
Page 20: Engine maintenance, Spare parts, Troubleshooting, Appliance is not running, Pressure does not build up in the appliance, Strong pressure fluctuations, Appliance is leaking
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ṇ WARNING
Prior to any care or maintenance work, switch the de-
vice off and let the engine cool down. In order to avoid
an accidental start-up of the engine, remove the spark
plug connector.
To avoid risks, all repairs and replacement of spare
parts may only be carried out by the authorised custom-
er service personnel.
Prior to longer periods of storage, e.g. in the winter:
Remove filter from suction hose for detergent and
clean under running water.
Pull out the sieve in the water connection using flat-
nose pliers and clean under running water.
Pull out the fine filter in water connection using flat-
nose pliers and clean with running water.
The pump is maintenace-free.
Park the machine on an even surface.
Carry out maintenance tasks to the motor accord-
ing to the specifications provided in the operating
instructions of the motor manufacturer.
Use only original KÄRCHER spare parts. You will find a
list of spare parts at the end of these operating instruc-
tions.
You can rectify minor faults yourself with the help of the
following overview.
If in doubt, please consult the authorized customer ser-
vice.
Follow operating instructions of the motor manu-
facturer!
Check setting at the spray lance.
Appliance ventilation: Switch the appliance on with
the high-pressure hose detached and operate
(max. 2 minutes) until the water exits the high-pres-
sure connection without bubbles. Switch off appli-
ance and reconnect high-pressure hose.
Check the water supply.
Pull out the sieve in the water connection using flat-
nose pliers and clean under running water.
Overflow valve blocked: Press the lever on the
handgun many times.
Clean high-pressure nozzle: Remove dirt and de-
bris from the nozzle bore, using a needle and rinse
through with water from the front.
Check water flow quantity.
Slight leakage from the appliance pump is normal.
If the leakage increases contact the authorized
customer service.
Use spray lance with pressure regulation (Vario
Power).
Turn the spray lance to "Mix" position.
Clean the detergent suction hose filter.
Check the detergent suction hose for kinks.
Subject to technical modifications!
The warranty terms published by the relevant sales
company are applicable in each country. We will repair
potential failures of your appliance within the warranty
period free of charge, provided that such failure is
caused by faulty material or defects in manufacturing. In
the event of a warranty claim please contact your dealer
or the nearest authorized Customer Service centre.
Please submit the proof of purchase.
(See address on the reverse)
Maintenance and care
Care
Pump maintenance
Engine maintenance
Spare parts
Troubleshooting
Appliance is not running
Pressure does not build up in the appliance
Strong pressure fluctuations
Appliance is leaking
No detergent infeed
Technical specifications
Water connection
Max. feed temperature
°C
40
Min. feed volume
I/min
10
Max. feed pressure
MPa
1,2
Max. Suction height
m
0,5
Motor
Type
Grow 154F
Cylinder capacity
cm
3
87
Motor; see operations instructions of the motor manu-
facturer
Performance data
Working pressure
MPa
11
Max. permissible pressure
MPa
12
Water flow rate
I/min
7
Detergent flow rate
I/min
0,3
Recoil force of trigger gun
N
17,3
Dimensions and weights
Length
mm
431
Width
mm
390
Height
mm
921
Weight kg
22
Values determined as per EN 60335-2-79
Hand-arm vibration value
Uncertainty K
m/s
2
m/s
2
< 2,5
0,3
Sound pressure level L
pA
Uncertainty K
pA
dB(A)
dB(A)
87
3
Sound power level L
WA
+ Uncertainty
K
WA
dB(A) 104
Warranty
20
EN