Kärcher HD 6/11-4 M Plus Manual De Instrucciones página 36

Weekly
 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.
HD 9/20-4 only:
Clean the fine filter.
 Unpressurize the appliance.
 Unscrew the fastening screws of the
device hood; remove the device hood.
 Unscrew lid with filter.
 Clean the filter with clean water or com-
pressed air.
 Reinstall in reverse sequence.
monthly or after 500 operating
 Oil change.
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.
Troubleshooting
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 serv-
ice 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.
36
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hours
Appliance is not running
 Check connection cable for damages.
 Check the supply voltage.
 Turn device switch on "0" and let engine
cool off for min. 5 minutes.
If malfunction still occurs, have device
checked by customer service.
 Call Customer Service in case of elec-
trical defects.
Pressure does not build up in the
 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.
Pump leaky
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.
Pump is vibrating
 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.
Detergent is not getting sucked in
 Set nozzle to "CHEM".
 Check/ clean detergent suction hose
with filter.
 Open or check/clean detergent dosing
valve.
 Contact Customer Service if needed.
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EN
appliance