Nilfisk-Advance R 253 9087362020 Service Manual

Contents

Squeegee System107Service Manual – Scrubtec R 253 - RA40Squeegee SystemFunctional DescriptionThe squeegee system cleans the liquid off the floor, which is then collected by the recovery system.The squeegee is mounted on castors and the weight of the system presses it down on the floor.The squeegee is held in place by two quick-fit wing nuts in the squeegee support slots. In case of fixed ob-stacles, the quick-fit system allows for squeegee immediate removal.The squeegee support is held on the frame by two tie rods and a centring spring, allowing some lateral move-mentThe angle of the squeegee and the correct adherence of the blades on the floor can be adjusted with a knob.The front blade has an opening in the bottom edge so the squeegee can collect the water on the floor. Thedesign and the central duct make it easy for the squeegee to clear the water The rear blade edge is smoothAll 4 functional edges of each blade can be used before it needs replacingThe squeegee is lifted and lowered by an actuator (M6) located in the solution tank compartment It is acti-vated at the same time as the brush deckThe squeegee actuator (M6) has 2 limit microswitches (not accessible) Every time it is raised or lowered, theactuator is activated by the electronic board for 15 seconds The squeegee must reach the correct limit switchby the end of this timeIn any case the electronic board cuts off the power supplied to the actuator after 15 seconds, to prevent damag-ing the actuatorWiring DiagramFUNCTION ELECTRONICBOARD (EB1)DECKACTUATOR (M5)J2.2J2.1B+B -Electronic board power supply +Electronic board power supply -Deck actuator power supply -/+Deck actuator power supply +/-Figure 1https://harrissupplyind.com - To Order Parts Call 608-268-8080