Contents iiiService Manual – Focus II / Scrubtec R6 Rider AutoscrubberService Test Mode 25Test Mode Display 25Test Mode Functions 25Sample Shop Voltage Measurements 26Controller I/O Table 28Removal and Installation 29Main Control Board 29Electrical System 30Functional Description 30Safety Circuit 30Description Of The Low-Voltage Cutout Feature 31Onboard Battery Chargers 31Interlock Circuit 31S.P.E. Charging Profiles and Charging Progress 31Delta-Q Charging Profiles and Charging Progress 32Delta-Q Battery Charging Profile Table 32Component Locations 34Maintenance and Adjustments 35Charging Batteries 35Extending Battery Life 35Troubleshooting 36Battery Testing 36Removal and Installation 36Batteries 36Electrical Panel Cover 37Specifications 37Wet Cell Battery Specifications: 37Wet Cell Battery Charger Specifications 37Wiring Diagrams 37Wiring (Ladder) Diagram: 56114061 Rev C (Early, before machine SN 3000167142) 38Sheet 1 of 2 38Sheet 2 of 2 39Wiring (Ladder) Diagram 56114404 Rev A (Late, beginning with machine SN 3000167142) 40Sheet 1 of 2 40Sheet 2 of 2 41Wiring Harness Diagram: 56114062 Rev B (Early, before machine SN 3000167142) 42Wiring Harness Diagram: 56114405 Rev A (Late, beginning with machine SN 3000167142) 43Connector Pinouts 44Options and Accessories 47Recovery System 48Functional Description 48Vacuum Motor and Recovery Tank 48Vacuum Motor Control Circuit Overview 49Troubleshooting 50Vacuum Suction Test 51Removal and Installation 52Recovery Tank 52Vacuum Motor 53Specifications 54Special Tools 54