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.
Weekly
Check oil level Please contact Custom-
er Service immediately if the oil is milky
(water in oil).
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.
Clean filter at the detergent suck hose.
Every 500 operating hours, at least
annually
Have the maintenance of the device
performed by the customer service.
Oil change.
Oil change
Note:
See "Specifications" for oil volume and
type.
Unscrew the fastening screws of the
device hood; remove the device hood.
Turn out the oil drain screw at the front
on the motor casing.
Drain the oil in a collection basin.
Screw in the oil drain screw.
Fill in new oil slowly; air bubbles should
go out.
Attach the lid of the oil container.
Fasten the device hood.
If required
Empty and clean the detergent tank.
Pull out the locking cap for the deter-
gent tank along with the suction hose.
Lay the device on the reverse.
Empty and clean the detergent tank.
Troubleshooting
DANGER
Risk of injury by inadvertent startup of ap-
pliance and electrical shock.
– Prior to all work on the appliance,
switch off the appliance and pull the
power plug.
– 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.
Appliance is not running
Check connection cable for damages.
Call Customer Service in case of elec-
trical defects.
Pressure does not build up in the
Install the high pressure nozzle.
Clean/ replace nozzle.
Clean the fine filter; replace it, if neces-
sary.
Deaerate the appliance (see "Start-up")
Check water supply level (refer to tech-
nical data).
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")
Clean the fine filter.
Contact Customer Service if needed.
– 7
EN
appliance
Pump leaky
21