ContentsviiiService Manual – CS7000Hopper Hydraulic System Circuit Details 252Hopper at Rest 252Hopper Being Raised 252Hopper Being Lowered 253Circuit Description 253Component Locations 254Upper and Lower Hopper 254Hydraulic Power Pack Assembly 255Hopper Dump Door 256Hopper Dump Door Actuator 256Dump Door Extend and Retract Limit Switches 256Hopper Interlock Switch 257Hopper Prop Rod and Pull Rod 257Troubleshooting 258Removal and Installation 260To Remove and Reinstall the Hydraulic Power Pack Assembly 260LPG and Diesel Models 260Battery Models 262To Remove and Reinstall the Hopper Lift Cylinder 264To Replace the Oil in the Hydraulic System 267To Remove and Reinstall the Hopper Dump Door Actuator Assembly 276Hopper Interlock Switch Replacement 276Specifications 277Options and Accessories 278Recovery System 288Functional Description 288Overview 288Recovery System Wiring Diagram 289Circuit Description 290Component Locations 291Recovery Tank 291Recovery Tank Cover and Debris Basket 291Vacuum Fan Cover Assembly 292Vacuum Motors 292Float Cage and Ball Assemblies 292Maintenance and Adjustments 293To Clean the Vacuum Filter and Filter Screen 293To Clean the Debris Basket 294Troubleshooting 295Removal and Installation 296To Remove the Recovery Tank 296To Reinstall the Recovery Tank 298To Remove and Reinstall a Vacuum Motor 299Specifications 300Special Tools 300Scrub System 301Functional Description 301Overview 301Scrub Pressure Control 301Scrub System Wiring Diagram 302Circuit Description 303The Following Conditions Must be Met for the Scrub System To Operate 303Scrub Deck Actuator Motor 303Brush Current Sensor 304Component Locations 304
