Kärcher HDS 9/50 De Tr1 Service Manual page 106

 Unscrew the screws.
1 Inlet hose
2 Connection float valve
 Detach the supply hoses from the two float valves.
 Lift the locking catch on the float valve.
 Push out the float valve.
1 Swimmer valve
106
English 5.906-736.0 Rev. 00 (07/15)