English
5.906-494.0 Rev. 01 (04/11)
9
Service work on the appliance may only be per-
formed by the authorized customer service. If so in-
structed in the operating instructions, the special
tools indicated by KÄRCHER must be used.
Danger
Danger from electric current and liquids. While work-
ing on the appliance
, pull the mains plug out of the
socket and shut off the water supply
Turn the filter cup screws and pull it downwards
along with the cup.
The individual parts of the water filter
Check the water filter for contamination, clean if
required.
Assemble it back in the reverse sequence.
Unscrew the oil drain screw and collect used oil.
Replace washers of the oil drain screw.
Screw in the oil drain screws and tighten them.
Slowly fill in new oil until the "MAX" marking on the
oil sight glass.
Drain the oil in a collection basin.
Pull the support bow from the pressure switch.
Remove the pressure switch.
Check the diaphragm, replace if required.
Unscrew the filter cup.
Loosen the screw connection at the motor flange.
Remove the high pressure pump casing; use a flat
screwdriver for this.
5
Basic settings and service procedures
5.1
Cleaning the water filter
5.2
Oil change
5.3
Removal of the crankshaft pump
