Kärcher HD 6/13 ST Manual page 18

Clean filter at the detergent suck hose.
Check oil level Please contact Custom-
er Service immediately if the oil is milky
(water in oil).
Clean the sieve in the water connection.
monthly or after 500 operating
Oil change.
Oil change
Note
See "Technical Details" for details of oil quantity
and type.
Loosen the fastening screws, remove the
hood.
Empty swimmer tank.
Hold the container under the oil drain screw
left of the motor casing to collect the oil.
Unscrew the oil drain screw and collect oil.
Fix in the oil drain screw and tighten it.
Remove the appliance from the wall and
place it on the reverse.
Remove the lid of the oil container.
Fill in new oil slowly; air bubbles should go
out.
Attach the lid of the oil container.
Troubleshooting
Danger
Risk of injury by inadvertent startup of ap-
pliance and electrical shock.
First pull out the plug from the mains be-
–
fore carrying out any tasks on the ma-
chine.
Get the electrical components checked
–
and repaired only by authorised cus-
tomer service persons.
Contact an authorised customer service
–
person in case of problems not men-
tioned in this chapter or if you are in
doubt or when you have been explicitly
asked to do so.
18
Weekly
Monthly
Half-yearly
hours
Appliance is not running
Check connection cable for damages.
Check the supply voltage.
Let the appliance cool down if the motor
is over-heated. Then switch it on again.
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.
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.
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.
Clean/ replace backflow valve in the
connection of the detergent suction
hose.
Contact Customer Service if needed.
– 6
EN
appliance
Pump leaky