![background image](http://html1.mh-extra.com/html/karcher/hd-1050-b/hd-1050-b_service-handbook_3815754017.webp)
HD 1050
Trouble shooting
17
4. Visible water leakage
4.1 Relief valve
Unscrew the nuts, pull off the springs and un-
screw the screw plug.
Pull the rod together with the piston out of the
housing.
Heat the rod and screw out the piston.
Replace the O-ring and O-ring sets.
For fitting instructions, see page 12.
4.2 Leakage between the cylinder head and
relief-valve housing
Unscrew the screws and remove the relief-
valve housing.
Replace the O-ring, applying silicon grease
before fitting.
Remount the housing and tighten the screws to
a torque of 9 Nm.
Summary of Contents for HD 1050 B
Page 1: ...Service Handbook HD 1050 5 905 032 07 97...
Page 26: ...Notes HD 1050 26...
Page 27: ...HD 1050 Notes 27...