Kärcher HD 10/25 S Service Manual

Also see for HD 10/25 S VEX: Operating instructions Operating instructions User manual Operating manual

Kärcher HD 10/25 S Service Manual Manual pdf 14 page image

14 English 5.905-945.0 Rev. 00 (06/15)Trigger gun closed:Upon closing the trigger gun, the pressure in the pressureroom rises abruptly. This pressure peak will affect the pis-ton rod and the pressure switch via the connecting boring.The ball is pressed out of its seat by the piston road andthe entire flow volume can flow to the suction room via theconnecting boring.The pressure switch switches the motor off.As soon as the trigger gun is closed, the pressure retainingvalve closes. This way the entire system pressure islocked between the trigger gun and the pressure retainingvalve.When the gun is opened again, the pressure in the systemdecreases rapidly, the overflow valve returns to its originalposition and the pressure switch switches the motor backon.1 Manometer2 Pressure holding valve3 Pressure switch B14 Connecting boring to overflow valve5 Overflow valve ball6 Connecting boring to suction room7 Piston rod8 Connecting boring from the overflow valveto the control pressure injector9 Detergent injector10 High pressure outlet11 Control pressure injector12 Pressure room with pressure valves