SERVICE MANUAL ENGLISHRazor Blade 26D / 28D / 28C 909 6510 000(3)2007-12 83ELECTRICAL SYSTEMCOMPONENT LAYOUTKeyBAT 24 V batteryBE Flashing lightBRX Electromagnetic brakeBZ1 Reverse gear warning buzzer/hornC1 Battery connectorC2 Battery charger auxiliary connectorC3 Battery charger external fan auxiliary connectorCH Battery charger (optional)CS Brush deck connectorCSC Cylindrical brush deck secondary connectorEB1 Function electronic boardEB2 Drive system electronic boardEB3 Electronic board under the control panelEB3/2 Electronic board under control panel (optional)EV1 Water solenoid valveF1 Function electronic board fuseF2 Drive system electronic board fuseF3 Low power circuit fuseF4 Pump fuse (optional)K1 Ignition switchLD1 Drive system electronic board diagnostic warninglightM1 Left brush motorM2 Right brush motorM3 Vacuum system motorM4 Brush deck actuatorM5 Drive system motorM6 Squeegee actuatorM7 Water pump (optional)M8 Detergent pump (optional)M9 Cooling fanPR1 Water level sensorRV1 Working speed potentiometerRV2 Speed potentiometer (pedal)SW0 Emergency push-buttonSW1 Actuator position 0 microswitchSW2 Actuator position 1 microswitchSW3 Actuator position 2 microswitchSW4 Steering sensorSW5 Driver's seat microswitchSW6 Reverse gear switch (if equipped)Colour codesBK BlackBU BlueBN BrownGN GreenGY GreyOG OrangePK PinkRD RedVT VioletWH WhiteYE Yellow
