Karcher Xpert HD 7140 X - Manual (Page 21)

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diately by an authorised customer
service person/ electrician.
 Check the high pressure hose for dam-
ages (risk of bursting).
Please arrange for the immediate ex-
change of a damaged high-pressure
hose.
 Check appliance (pump) for leaks.
3 drops per minute are permitted and
can come out from the lower side of the
appliance. Call Customer Service if
there is heavy leakage.
 Check oil level Please contact Custom-
er Service immediately if the oil is milky
(water in oil).
 Clean the sieve in the water connection.
 Clean filter at the detergent suck hose.
 Oil change.
Note
See "Technical Details" for details of oil
quantity and type.

Unscrew the fastening screws of the
device hood; remove the device hood.
 Remove the lid of the oil container.
 Tilt the appliance forward.
 Drain the oil in a collection basin.
 Fill in new oil slowly; air bubbles should
go out.
 Attach the lid of the oil container.
 Fasten the device hood.
ƽ
Danger
Risk of injury by inadvertent startup of ap-
pliance and electrical shock.
First pull out the plug from the mains before
carrying out any tasks on the machine.
Get the electrical components checked and
repaired only by authorised customer ser-
vice persons.
Contact an authorised customer service
person in case of problems not mentioned
in this chapter or if you are in doubt or when
you have been explicitly asked to do so.
 Check connection cable for damages.
 Check the supply voltage.
 Call Customer Service in case of elec-
trical defects.
 Set nozzle to "High pressure".
 Clean the nozzle.
 Replace the nozzle.
 Deaerate the appliance (see "Start-up")
 Check water supply level (refer to tech-
nical data).
 Clean the sieve in the water connection.
 Check all inlet pipes to the pump.
 Contact Customer Service if needed.
3 drops per minute are permitted and can
come out from the lower side of the appli-
ance. Call Customer Service if there is
heavy leakage.

With stronger leak, have device
checked by customer service.
 Check suction pipes for water and de-
tergent and ensure that they are leak-
proof.
 Close dosing valve for detergent to op-
erate the machine without detergent.
 Deaerate the appliance (see "Start-up")
 Contact Customer Service if needed.
 Set nozzle to "CHEM".
 Check/ clean detergent suction hose
with filter.
 Open or check/clean detergent dosing
valve.
 Contact Customer Service if needed.
Weekly
monthly or after 500 operating
hours
Oil change
Troubleshooting
Appliance is not running
Pressure does not build up in the
appliance
Pump leaky
Pump is vibrating
Detergent is not getting sucked in
21 EN