Kärcher 570 - Checking the Relief Valve

Wrcher 570 Internal water leakage
Piston
Spring
O
- ring
Valve seat
II Valve spindle
3. Checking the relief valve
Unscrew the special screw plug.
Using an
8mm socket driver, press the
piston downwards and unscrew it from the
valve spindle.
Pulloutthe pistonwith pliersand removethe
spring. Using the special tool, screw out
the valve seat.
Remove the valve seat and valve spindle
from the cylinder head.
Check the valve seat and valve spindle for
damage or wear and replace
if necessary.
If necessary, replace the valve
- seat O - ring.
Insert the valve seat
andvalve spindle in the
cylinder head and screw in firmly with
special tool.
Insert the spring and piston and screw the
piston on tightly.
Secure the piston with loctite (No.
6.869-
002).
Screw in the special screw plug and tighten
with a torque of
30 Nm.