16 English 5.906-468.0 Rev. 00 (02/09)
1 Water stop valve (Y1)
2 Hose for the water pump (M4)
3 Hose to the brush head
4 Connecting coupling
5 Potentiometer
6 Servo motor
7 Connection plug
The detergent dosing pump is located behind the battery.
Î Drain the water from the fresh water and wastewater tank.
Î Open the tank cover screw.
Î Tilt the tank backwards.
Pin 1 Battery voltage 24 Volt (+).
Pin 2 24 Volts if the water pump is ON.
0 Volts if the water pump is OFF.
Pin 3 Ground 0 Volts.
Pin 4 Control voltage for servo motor:
1.7-1.9 volts = dosing valve opened to the max.
3.1-3.3 volts = dosing valve opened at min.
0 volts = dosing valve closed.
4.14 Detergent dosing pump (DOSE)
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