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Nilfisk-Advance Manuals
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SC6500 45C
Service manual
Nilfisk-Advance SC6500 45C Service Manual
Sc6500 series
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Service Manual
Table of Contents
General Information
General Machine Description
Service Manual Purpose and Application
Conventions
Feedback
Revision History
Other Manuals and Information Sources
Electronic Databases
Manuals
Parts and Service
Nameplate
Transporting the Machine
Towing
Caution and Warning Symbols
General Safety Instructions
Emergency-Stop Switch/Battery Disconnect
Technical Specifications (as Installed and Tested on the Unit)
Advance Brand SC6500 Models
Nilfisk Brand SC6500 Models
Dimensions
General Machine Overview
Major Machine Components
Control Panel
Switch and Button Functions
Control Panel Indicators
Control Panel Display
Caution Displays
Circuit Breakers
General Maintenance
Maintenance after Use
Maintenance Schedule
Machine Lubrication
Lubrication Points
PM Check List - SC6500
Chassis System
Major Chassis Components
Control System
Functional Description
Overview
A2 Control Board Assembly
A3 Switch/Display Panel Assembly
Circuit Description
Main Control Programming Options
Fault Recall Mode
To Select the Battery Used in the Machine
To Restore the Scrub Pressures to the Factory Default Settings
To Enable/Disable the Fault Detection
To Display the Control Board Revision Level
Monitor Mode
Scrub Deck down Time Adjustment
Normal (Light) Scrub Setting Adjustment
Heavy Scrub Setting Adjustment
Extreme Scrub Setting Adjustment
Scrub Speed Switch Lockout
Detergent System Selection Mode
Ecoflex ™ Mode Selection
Vacuum Motor Configuration Option
Recovery Tank Full Detection Enable/Disable
Solution Flow in Reverse Enable/Disable
Indicator LED Intensity Selection Option
Detergent and Solution Pump Purge
Method 1
Method 2 (as Described in the Instructions for Use)
Side Broom Function
Side Broom Height Adjustment
Display Mode Selection
Service Test Mode
To Enter the Service Test Mode
Service Test Mode Display
Control Panel Switch and Button Functions
Troubleshooting
Error Indicator and Error Code Display
Error Codes
Removal and Installation
A2 Control Board Assembly
Specifications
I/O Table with Shop Measurements
A2 Control Board Assembly
Electrical System
Functional Description
Overview
Low-Voltage Cut-Out Feature
Battery Condition Indicator
Component Locations
Battery Location
Connector Pin-Outs
J1 Connects to A2 Control Board
J2 Connects to A2 Control Board
J3 Connects to A3 Display Panel
X6 Connects to A1 Speed Controller
X7 Connects to Drive Motor
X8 Connector for Curtis Programmer
X10
X12 Connects to H2 Flashing Lamp X11
X13 Connects to M12 Solution Control Pump X14
X16 Connects to L1 Solution Solenoid Valve X15
X20 Connects to M3 Squeegee Actuator X19
X29 Connects to M7 Left Side Broom Motor X27
X30 Connects to M8 Right Side Broom Motor X28
X32
X41 Connects to R2 Scrub Deck Sensing Resistor X40
X43 Connects to S5 Solution Tank Float Switch X42
X49 Connects to X48 Connector of Vacuum Motor Wiring Harness
X51
X55 Connects to M15 Accessory Pump (Optional) X54
X59 Connects to Telematics Connector Jumper X59A
X59A Telematics Connector Jumper
X60 (Deutsch DTM04-6P) Connects to X61
X61 (Deutsch DT M06-6S)Connects to X60
Maintenance and Adjustments
Wet-Cell Battery Maintenance
Checking the Battery Water Level
Charging Wet-Cell Batteries
To Charge the Batteries
When Servicing Batteries
Troubleshooting
Battery Testing
General Troubleshooting
Removal and Installation
To Install the Batteries
Specifications
Special Tools
Wiring Diagram Tips
Wiring Diagram PN 56414095 REV C Sheet 1 of 3
Wiring Diagram PN 56414095 REV C Sheet 2 of 3
Wiring Diagram PN 56414095 REV C Sheet 3 of 3
Wiring Harness Diagram 56414096_REV_C
Options and Accessories
Recovery System
Functional Description
Overview
Recovery Tank
Vacuum Motor
Squeegee and Squeegee Hose
Float Cage and Ball
Recovery System Wiring Diagram
Circuit Description
Component Locations
Vacuum Motor and Vacuum Hose
Top Cover Assembly
Float Cage and Ball
Recovery Tank Lid
Squeegee and Drain Hoses
Maintenance
To Inspect and Clean the Vacuum Filter and Inlet Screen
To Inspect and Clean the Vacuum Motor Float Cage
Troubleshooting
Insufficient Water Pick-Up
Possible Causes
Troubleshooting Steps
Removal and Installation
Recovery Tank
Vacuum Motor
Specifications
Shop Measurements
K1 Vacuum Contactor
Vacuum Motor
Special Tools
Scrub System, Cylindrical
Functional Description
Overview
Cylindrical Scrub System Wiring Diagram
Circuit Description
Component Locations
Maintenance and Adjustments
General Scrub System Maintenance
Daily Maintenance
Weekly Maintenance
Monthly Maintenance
Scrub Brush Belt Replacement
Lift Actuator Adjustment
Using the Actuator Power Cord Adapter
Lift Actuator Drive Nut Adjustment
Side Skirt Replacement and Adjustment
Troubleshooting
Removal and Installation
Scrub Brushes
Scrub Brush Deck
Scrub Deck Lift Actuator
Scrub Brush Motor
Specifications
Shop Measurements
Brush Contactor (K2, K3 or K4)
Scrub Brush Motor
Brush Actuator Motor
Special Tools
Scrub System, Disc
Functional Description
Overview
Disc Scrub System Wiring Diagram
Circuit Description
Component Locations
Maintenance and Adjustments
Lift Actuator Adjustment
Using the Actuator Power Cord Adapter
Lift Actuator Drive Nut Adjustment
Side Skirt Replacement and Adjustment
Troubleshooting
Removal and Installation
Scrub Brush Deck
Scrub Deck Lift Actuator
Scrub Brush Motor and Gearbox
To Remove and Install a Gearbox Assembly
To Disassemble and Reassemble a Gearbox Assembly
Specifications
Shop Measurements
Scrub Brush Motor
Special Tools
Solution System
Functional Description
Overview
Solution Tank
Shutoff Valve
Drain Hose and Hose Cap
Solution Filter
Solution Control Pump
Solution Solenoid Valve
Solution Manifold (Disc Decks Only)
Accessory Pump
Detergent Tank and Pumps
Solution System Wiring Diagram
Circuit Description
Solution System
Detergent System
Accessory Pump
Component Locations
Shutoff Valve
Solution Level Switch
Drain Hose and Hose Cap
Solution Filter
Solution Control Pump
Solution Solenoid Valve
Solution Manifold (Disc Decks Only)
Accessory Pump
Detergent Tank and Pumps
Maintenance and Adjustments
To Disassemble and Clean the Solution Solenoid Valve
Weekly Maintenance
To Empty and Rinse the Solution Tank
To Clean the Solution Filter
To Clean the Solution Delivery Trough (Cylindrical Scrub Decks Only)
To Purge the Detergent System
To Purge the Detergent System When Changing Detergents
To Program the Detergent Ratio
Troubleshooting
Removal and Installation
Solution Control Pump
Solution Solenoid Valve
Specifications
Solution Flow Rates
Component Specifications
Shop Measurements
Squeegee System
Functional Description
Overview
Squeegee System Wiring Diagram
Circuit Description
Squeegee Lift Actuator Reverse Function
Component Locations
Maintenance and Adjustments
To Reverse or Replace the Rear Squeegee Wiping Blade
To Reverse or Replace the Front Squeegee Blade
Squeegee Adjustment
To Adjust the Squeegee Angle
To Adjust the Squeegee Blade Height
Lift Actuator Adjustment
Using the Actuator Power Cord Adapter
Actuator Drive Nut Adjustment
Troubleshooting
Removal and Installation
Squeegee Lift Actuator
Specifications
Shop Measurements
Squeegee Actuator Motor
Special Tools
Steering System
Functional Description
Drive Wheel Steering Assembly
Maintenance and Adjustments
Steering Chain
Removal and Installation
Steering Chain Removal and Tensioning
Sweep System, Side Broom
Functional Description
Overview
Side Broom Sweep System Wiring Diagram
Circuit Description
Component Locations
Maintenance and Adjustments
Side Broom Height Adjustment
Lift Actuator Adjustment
Using the Actuator Power Cord Adapter
Lift Actuator Drive Nut Adjustment
Troubleshooting
Removal and Installation
Side Broom Lift Actuator
Side Broom Gearmotor
Specifications
Shop Measurements
Side Broom Contactor (K6)
Side Broom Motor
Side Broom Actuator Motor
Special Tools
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SC6500™
Service Manual
Advance Model Numbers:
56414010
56414011
56414012
56414013
56414014
56414015
Nilfisk Model Numbers:
56414022
56414023
56414024
SC6500 40C
SC6500 40C ECOFLEX
SC6500 40D
SC6500 40D ECOFLEX
SC6500 45C
SC6500 45C ECOFLEX
SC6500 1100D
SC6500 1100C
SC6500 1300D
56414016
SC6500 45D
56414017
SC6500 45D ECOFLEX
56414018
SC6500 48C
56414019
SC6500 48C ECOFLEX
56414020
SC6500 48D
56414021
SC6500 48D ECOFLEX
56414025
SC6500 1300C
56414026
SC6500 1100D ECOFLEX
English
01/15 Form No. 56043168
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Table of Contents
Troubleshooting
Troubleshooting
46
Troubleshooting
76
Troubleshooting
96
Insufficient Water Pick-up
97
Troubleshooting
114
Troubleshooting
132
Troubleshooting
150
Troubleshooting
160
Troubleshooting
171
Troubleshooting
179
Troubleshooting
188
Fault Code Table (Troubleshooting Chart)
190
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