Kärcher HDS 9/50 De Tr1 Service Manual page 82

Detergent dosing valve
1 Connection from the detergent tank (labelled with "1")
2 Connection to the pump (labelled with "P")
Solenoid valve dosing detergent
1 Motor flange
2 Connection from the detergent tank
3 Solenoid valve
4 Connection to the pump
5 Pump casing
NOTE
The solenoid valves opens subject to the pressure switch
of the pump.
If no detergent is desired, the detergent dosing valve must
be set to "0".
If the dosing level is too high, foaming in the float container
may occur. Reduce the dosing if necessary.
Supply detergent to the high-pressure pump
1 Pump head
2 Supply water with fine filter
3 Injection point detergent
82
English 5.906-736.0 Rev. 00 (07/15)