Table of Contents
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SC401, SCRUBTEC 344
Service Manual
Advance Model Numbers:
9087394020 SC401 17 B
9087395020 SC401 17 BD
Nilfisk Model Numbers:
9087391020 SC401 43 B
9087390020 SC401 43 B FULL PKG
9087392020 SC401 43 E
9087393020 SC401 43 BD
9087398020 SC401 43 BD FULL PKG
9087396020 SCRUBTEC 344 B COMBI
9087397020 SCRUBTEC 344 E
07/2018 (B) Form No. 9100002300
English
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Table of Contents
Troubleshooting
Related Manuals for Nilfisk-Advance SC401 43 B FULL PKG
Summarization of Contents
General Information
Machine General Description
Provides a description of the SC401, SCRUBTEC 344 walk-behind scrubber machine.
Service Manual Purpose and Field of Application
Explains the manual's intent for service technicians and its scope.
Other Reference Manuals
Lists related manuals for the machine, including instructions and spare parts.
Conventions
Defines directional terms used in the manual relative to the operator's position.
Name Plate Information
Details about the information found on the machine's name plate.
Safety Precautions
Highlights safety warnings and symbols used throughout the manual.
General Safety Instructions
Provides specific warnings and cautions for safe operation and maintenance.
Lifting The Machine
Instructions for safely lifting the machine.
Transporting The Machine
Guidelines for safely transporting the machine.
Technical Specifications
Detailed technical specifications for the machine models.
Maintenance Schedule
Provides a schedule for routine maintenance tasks for battery and cord models.
Know Your Machine (Battery Model)
Overview of the battery model's components and controls.
Know Your Machine (Cord Model)
Overview of the cord model's components and controls.
Service and Diagnostic Equipment
Lists the necessary equipment for servicing and diagnostics.
Machine Dimensions
Diagrams showing the overall dimensions of the machine.
Control System - Battery
Functional Description
Explains the electrical functions controlled by the main machine controller.
Functional Block Diagrams
Illustrates the system architecture for battery-powered models.
Wiring Diagram
Details the electrical connections within the battery system.
Component Locations
Identifies the location of key control system components.
Maintenance and Adjustments
Procedures for maintaining and adjusting control system parameters.
Troubleshooting
Guides for diagnosing and resolving issues in the control system.
Removal and Installation
Steps for removing and installing main control system components.
Specifications: Main Machine Controller (EB1) Connectors
Details the pinouts and specifications for EB1 controller connectors.
Control System - Cord
Functional Description
Explains the electrical functions of the cord-powered machine.
Wiring Diagram
Illustrates the electrical connections for the cord system.
Component Locations
Identifies key control system components for cord models.
Maintenance and Adjustments
Procedures for maintaining and adjusting cord control system parameters.
Removal and Installation
Steps for removing and installing cord control system components.
Specifications
Details specifications for the cord-powered control system.
Chassis System
Chassis (Main Parts)
Identifies the main structural components of the chassis.
Wheel System, Non-Traction
Functional Description
Describes the wheel system for machines without a drive system.
Component Locations
Shows the location of front and pivoting rear wheels.
Specifications
Provides technical specifications for the non-traction wheel system.
Wheel System, Traction
Functional Description
Explains the function of the wheel system with drive motor and controller.
Wiring Diagram
Details the electrical connections for the traction wheel system.
Component Locations
Identifies key components of the traction wheel system.
Maintenance and Adjustments
Procedures for maintaining and adjusting the drive system.
Drive Wheels Controller (EB3) Parameters
Lists and explains the adjustable parameters for the drive wheels controller.
Troubleshooting
Guides for diagnosing and resolving issues with the traction system.
Drive Wheels Controller (EB3) Alarms
Describes the alarm codes and their meanings for the drive wheels controller.
Drive System Gear Motor Current Draw Test
Procedure to test the current draw of the drive system gear motor.
Removal and Installation
Steps for removing and installing the drive wheels controller.
Specifications
Details specifications for the drive wheels controller connectors.
Shop Measurements
Drive Wheels Controller (EB3) Measurements
Provides typical voltage measurements for the EB3 controller.
Main Machine Controller (EB1) Measurements
Provides typical voltage measurements for the EB1 controller.
Electrical System (Battery)
Functional Description
Overview of the machine's electrical system components for battery models.
Battery Charge State Display
Explains how the battery charge level is indicated.
Wiring Diagram
Illustrates the electrical wiring for battery-powered systems.
Component Locations
Shows the physical location of electrical system components.
Maintenance and Adjustments
Procedures for maintaining the battery electrical system.
Battery Charger Setting and Dipswitches Configuration
Instructions for configuring the onboard battery charger.
Battery Installation
Steps for correctly installing the machine's batteries.
Battery Charging
Procedures and safety notes for charging the machine's batteries.
Checking/Replacing Relay or Fuses
Guides for checking and replacing relays and fuses in the system.
Troubleshooting
Guides for diagnosing and resolving electrical system issues.
Complete Wiring Diagrams (Battery)
Comprehensive wiring diagrams for battery-powered configurations.
Specifications
Technical specifications for the battery electrical system.
Electrical System (Cord)
Functional Description
Overview of the machine's electrical system components for cord models.
Troubleshooting
Guides for diagnosing and resolving issues in the cord electrical system.
Complete Wiring Diagram (Cord)
Detailed wiring diagram for the cord-powered electrical system.
Specifications
Technical specifications for the cord electrical system.
Solution System
Functional Description and Pre-Wetted Function
Explains the solution system and the pre-wetted function.
Adjusting Detergent Concentration
Procedure for adjusting the detergent concentration in the wash water.
Wiring Diagram
Illustrates the electrical connections for the solution system.
Component Locations
Shows the physical locations of solution system components.
Maintenance and Adjustments
Procedures for maintaining the solution system.
Detergent Tank and System Cleaning
Instructions for cleaning the detergent tank and system.
Troubleshooting
Guides for diagnosing and resolving solution system issues.
Removal and Installation
Steps for removing and installing solution system components.
Specifications
Technical specifications for the solution system.
Scrub System, Disc
Functional Description
Explains the operation of the disc brush system.
Brush Motor ANTISPLASHING System
Details the system to prevent water splashing from the brush.
Wiring Diagram
Illustrates the electrical connections for the brush system.
Component Locations
Shows the physical locations of scrub system components.
Maintenance and Adjustments
Procedures for maintaining the scrub system.
Brush Motor Cleaning
Instructions for cleaning the brush motor.
Troubleshooting
Guides for diagnosing and resolving brush system issues.
Brush Motor Current Draw Test
Procedure to test the current draw of the brush motor.
Removal and Installation
Steps for removing and installing the brush deck.
Brush Motor Carbon Brushes Checking/Replacing
Procedure for checking and replacing brush motor carbon brushes.
Brush Motor Disassembly/Assembly
Instructions for disassembling and assembling the brush motor.
Capacitor Replacement (Cord Model)
Instructions for replacing starting and run capacitors on cord models.
Specifications
Technical specifications for the scrub system.
Squeegee System
Functional Description
Explains the function of the squeegee system in collecting dirty water.
Component Locations
Shows the physical locations of squeegee system components.
Maintenance and Adjustments
Procedures for maintaining the squeegee system.
Checking/Replacing the Squeegee Blades
Instructions for checking and replacing squeegee blades.
Troubleshooting
Guides for diagnosing and resolving squeegee system issues.
Removal and Installation
Steps for removing and installing squeegee system parts.
Specifications
Technical specifications for the squeegee system.
Recovery System
Functional Description
Explains how the recovery system collects and stores dirty water.
Wiring Diagram
Illustrates the electrical connections for the recovery system.
Component Locations
Shows the physical locations of recovery system components.
Maintenance and Adjustments
Procedures for maintaining the recovery system.
Troubleshooting
Guides for diagnosing and resolving recovery system issues.
Vacuum Motor Current Draw Test
Procedure to test the current draw of the vacuum motor.
Removal and Installation
Steps for removing and installing the vacuum motor unit.
Container and Vacuum Motor Disassembly/Assembly
Instructions for disassembling and assembling the vacuum motor container.
Specifications
Technical specifications for the recovery system.
Options
Key Kit
Details the components included in the Key Kit option.
Detergent Kit
Details the components included in the Detergent Kit option.
Battery Charger Kit
Details the components included in the Battery Charger Kit option.
Counter Hour 24V Kit
Details the components included in the Counter Hour 24V Kit option.
USB Port Kit
Details the components included in the USB Port Kit option.
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