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Nilfisk-Advance CS7000 - Page 9

Nilfisk-Advance CS7000
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Contents ixService Manual – CS7000
Scrub Motor Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .304
Right Scrub Arm Gas Spring and Lever Arm Bracket . . . . . . . . . . . . . . . . 304
Side Squeegee Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .305
Scrub Deck Actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305
Maintenance and Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306
To Replace a Leading Deck Blade. . . . . . . . . . . . . . . . . . . . . . . . . . .306
To Replace a Trailing Deck Blade. . . . . . . . . . . . . . . . . . . . . . . . . . .306
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
To Remove and Reinstall a Side Squeegee Assembly . . . . . . . . . . . . . . . . 308
To Remove and Reinstall the Scrub Deck Actuator . . . . . . . . . . . . . . . . . 309
To Remove and Reinstall the Scrub Deck. . . . . . . . . . . . . . . . . . . . . . . 309
To Remove and Reinstall a Scrub Motor Assembly . . . . . . . . . . . . . . . . . 312
To Replace the Scrub Motor Carbon Brushes . . . . . . . . . . . . . . . . . . . . 313
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .316
Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317
Solution System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .318
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .318
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318
Solution Flow Control - Non-EcoFlex™ Machines . . . . . . . . . . . . . . . . . . 318
Solution Flow Control - EcoFlex™ Machines . . . . . . . . . . . . . . . . . . . . .318
EcoFlex™ Detergent System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319
Extended Scrub System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319
Optional Hot Water System (LP and Diesel EcoFlex™ Machines Only) . . . . . . 319
Optional Wash Hose Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .319
Optional High-pressure Spray System (LP and Diesel Only) . . . . . . . . . . . . 320
Solution Level Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320
Solution System Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Circuit Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
The Following Conditions Must be Met for the Solution System to Operate . .322
The Following Conditions Must be Met for the Extended Scrub System to Operate
322
The Following Conditions Must be Met for the Low Pressure Wash Hose to Operate
323
The Following Conditions Must be Met for the EcoFlex™ System to Operate . 323
The Following Conditions Must be Met for the High-pressure Spray System to Operate
323
Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Solution Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Drain Hose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Solution Filter and Solution Shutoff Valve. . . . . . . . . . . . . . . . . . . .324
Solution Pressure Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Solution Pump (EcoFlex™ Models Only) . . . . . . . . . . . . . . . . . . . . . . . 325
Low Pressure (Wash Hose) Pump . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Solution Solenoid Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
Solution Nozzles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
EcoFlex™ Detergent Bottles and Pumps . . . . . . . . . . . . . . . . . . . . . . .327
High-pressure Spray System Pump. . . . . . . . . . . . . . . . . . . . . . . . . . 327
Extended Scrub System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328
Maintenance and Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
To Clean the Solution Filter Screen. . . . . . . . . . . . . . . . . . . . . . . . . .329
To Clean the Extended Scrub System Strainer . . . . . . . . . . . . . . . . . . . 330
To Clean the High Pressure Solution Filter . . . . . . . . . . . . . . . . . . . . . 330
To Adjust the Belt Tension on the High Pressure Pump. . . . . . . . . . . . . . .331
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332
Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335

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