Kärcher 570 - Internal Water Leakage; Checking the Suction Valves; Checking the Pressure Valves

Internal leakage Karcher 570
\ Torx screw
Measuring the pumpdelivery indicates a
loss of some water.
Possible cause:
The suction valve,
delivery valve or relief valve defective.
1. Checking the suction valve
Remove the housing cover.
Pull out the valve seat using
special tool.
Check and, if necessary, replace the valve
seat and O
- ring.
Remove the valve plate and spring.
Checkthesealing surfacesof thevalveseat
andvalve plate fordirt orgroove and replace
if necessary.
If necessary, replace the O - ring seal of the
housing cover.
Tighten the
TOM screws with a torque of
13 Nm.
2. Checking the pressure valves
Unscrew the valve screw.
Remove the pressure valve completely with
the
special tool.
Check the sealing surface of the valve and
Pressure valve replace if necessary.
Pressthevalveintothecylinder head, screw
in the valve screw and tighten with
atorque
of
30 Nm.