Nilfisk-Advance Advance SC901 ST-28D Manuals

SC901 04/2019 Form No. 56043178 Service Manual Advance Model Numbers: 56115530 SC901 ST-28D 56115531 SC901 ST-34D 56115532 SC901 ST-32C English ii Service Manual – SC901 Contents Contents 03 - General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 General Machine Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Service Manual Purpose and Application . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Other Reference Manuals and Information Sources . . . . . . . . . . . . . . . . . . . . . 5 Parts And Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Diagnostic and Service Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Modifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Nameplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 General Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Property Damage Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Lifting or Transporting the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Know Your Machine — Major components: . . . . . . . . . . . . . . . . . . . . . . . . 11 Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Lubricating the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 14 - Wheel System, Non-Traction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 20 - Wheel System, Traction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Speed Limiting Potentiometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Wigwag Throttle Potentiometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Drive Motor PWM Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Drive Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Circuit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Drive Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Throttle and Speed Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Drive Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Follow-up Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Drive Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Motor Brushes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Transaxle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Shop Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Curtis Programmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 24 - Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Maintenance and Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 Setting Onboard Charger Battery Profile . . . . . . . . . . . . . . . . . . . . . . . 35 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 General Electrical Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Understanding the Features of the Main Wiring Diagram . . . . . . . . . . . . . . 37 Device Labeling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 iii Service Manual – SC901 Contents Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Using the Wiring Harness Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Wire Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Splice Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Connector Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Back-Probing Connector Voltages . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Testing Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Diagnostic Scenarios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Battery Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Electrical Bay Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Squeegee and Brush Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Drive Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Drive Handle Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Hour Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Electrical (Ladder) Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Wiring Harness Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Sheet 1, Drive Handle Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Sheet 2, Power Relays and Drive Controller . . . . . . . . . . . . . . . . . . . . 51 Sheet 3, Scrub Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Sheet 4, Circuit Breakers and TrackClean . . . . . . . . . . . . . . . . . . . . 53 Sheet 5, TrackClean Adapter Harnesses . . . . . . . . . . . . . . . . . . . . . 54 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Connector Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 TrackClean Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 EcoFlex Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Operator’s Handle Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Drive Controller Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 30 - Solution System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Non-Detergent Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Detergent Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Detergent Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Scrub System, General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 No Solution Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 No EcoFlex Detergent Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Scrub Skirt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Solution Solenoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Solution Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Solution Control Panel and Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 EcoFlex Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 34 - Scrub System, Disc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Circuit Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Scrub System, General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 One Brush Not Working . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Both Brush Motors Not Working . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 iv Service Manual – SC901 Contents Scrub Skirt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Scrub Brush Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Brush Motor Brushes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 34 - Scrub System, Cylindrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Circuit Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Scrub System, General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 One Brush Not Working . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Both Brush Motors Not Working . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Scrub Skirt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Scrub Brush Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Brush Motor Brushes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 38 - Squeegee System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Squeegee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Maintenance and Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83 Squeegee Blade Cleaning and Inspection . . . . . . . . . . . . . . . . . . . . . . . 83 Squeegee Tilt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 Squeegee Blade Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 40-Recovery System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 Vacuum Motor and Recovery Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 Circuit Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 No Vacuum Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 Poor Suction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 Vacuum Suction Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 Vacuum Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 Vacuum Motor Brushes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 90 - Options and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Onboard Charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 TrackClean . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 EcoFlex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Battery Watering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Advance Models: 56115530 (SC901 ST-28D) 56115531 (SC901 ST-34D) 56115532 (SC901 ST-32C) SC901 ST Instructions for use Instructions for Use Original Instructions Instrucciones de uso Mode d’ emploi 3/2019 revised 4/2019 REV B Form no. 56091217 A-English B-Español C-Français A - 2 SC901 ST - 56091217 3/2019 INSTRUCTIONS FOR USE A - ENGLISH TABLE OF CONTENTS Page Introduction ..............................................................................A-3 Parts and Service ....................................................................A-3 Nameplate ...............................................................................A-3 Unpacking the Machine ...........................................................A-3 Cautions and Warnings ...........................................................A-4 Know Your Machine .......................................................A-6 – A-7 Control Panel ...........................................................................A-8 Control Panel – EcoFlex™ ......................................................A-8 Preparing the Machine for Use Batteries ......................................................................A-9 – A-10 Installing the Brushes ................................................ A-11 – A-12 Filling the Solution Tank .........................................................A-13 Squeegee Installation ............................................................A-13 Detergent System (EcoFlex™) ..................................A-14 – A-15 Operating the Machine Wet Scrubbing ...........................................................A-16 – A-17 After Using the Machine ........................................................A-18 Maintenance Schedule ..........................................................A-19 Servicing the Vacuum Motor ..................................................A-19 Lubricating the Machine ........................................................A-19 Maintenance Charging the Batteries (Wet) .................................................A-20 Charging the Batteries (Gel) ..................................................A-20 Servicing the Squeegee ........................................................A-21 Adjusting the Squeegee ........................................................A-21 Troubleshooting .....................................................................A-22 Technical Specifi cations ........................................................A-23 Material Composition .............................................................A-24 3/2019 A - 3 56091217 - SC901 ST ENGLISH - A INSTRUCTIONS FOR USE INTRODUCTION This manual will help you get the most from your Advance™ automatic scrubber/dryer. Read it thoroughly before operating the machine. Note: Bold numbers in parentheses indicate an item illustrated on pages A-6 – A-8 unless otherwise noted. This product is intended for commercial use only. PARTS AND SERVICE Repairs, when required, should be performed by your Authorized Advance Service Center, who employs factory trained service personnel, and maintains an inventory of Advance original replacement parts and accessories. Call Advance for repair parts or service. Please specify the Model and Serial Number when discussing your machine. MODIFICATIONS Modi¿ cations and additions to the cleaning machine which affect capacity and safe operation shall not be performed by the customer or user without prior written approval from Nil¿ sk Inc. Unapproved modi¿ cations will void the machine warranty and make the customer liable for any resulting accidents. NAMEPLATE The Model Number (also known as Part Number) and Serial Number of your machine are shown on the Nameplate in the battery compartment. This information is needed when ordering repair parts for the machine. Use the space below to note the Part Number and Serial Number of your machine for future reference. PART NO. ______________________________________ SERIAL NO. ____________________________________ UNPACKING THE MACHINE When the machine is delivered, carefully inspect the shipping packaging and the machine for damage. If damage is evident, save the shipping carton (if applicable) so that it can be inspected. Contact the Advance Customer Service Department immediately to ¿ le a freight damage claim. Refer to the unpacking instruction sheet included with the machine to remove the machine from the pallet. REGULATORY FCC: This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Users are not permitted to make changes or modify the device in any way. Changes or modi¿ cations not expressly approved by Nil¿ sk, Inc. will void the user’s authority to operate the equipment. IC: This device complies with Industry Canada ICES-002. Operation is subject to the following two conditions: (1) This device may not cause harmful interference and (2) This device must accept any interference received, including interference that may cause undesired operation of the device. revised 4/2019 A - 4 SC901 ST - 56091217 3/2019 INSTRUCTIONS FOR USE A - ENGLISH CAUTIONS AND WARNINGS SYMBOLS Advance uses the symbols below to signal potentially dangerous conditions. Read this information carefully and take the necessary steps to protect personnel and property. DANGER! Is used to warn of immediate hazards that will cause severe personal injury or death. WARNING! Is used to call attention to a situation that could cause severe personal injury. CAUTION! Is used to call attention to a situation that could cause minor personal injury or damage to the machine or other property. Read all instructions before using. GENERAL SAFETY INSTRUCTIONS Specifi c Cautions and Warnings are included to warn you of potential danger of machine damage or bodily harm. This machine is for commercial use, for example in hotels, schools, hospitals, factories, shops and offi ces other than normal residential housekeeping purposes. WARNING! • This machine should only be used by properly trained and authorized persons. • This machine is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the machine by a person responsible for their safety. • Children should be supervised to ensure that they do not play with the machine. • Close attention is necessary when used near children. • While on ramps or inclines, avoid sudden stops. Avoid abrupt sharp turns. Use low speed down ramps. • Keep sparks, fl ame and smoking materials away from batteries. Explosive gases are vented during normal operation. • Charging the batteries produces highly explosive hydrogen gas. Charge batteries only in well-ventilated areas, away from open fl ame. Do not smoke while charging the batteries. • Remove all jewelry when working near electrical components. • Turn the key switch off (O) and disconnect the batteries before servicing electrical components. • Never work under a machine without safety blocks or stands to support the machine. • Do not dispense fl ammable cleaning agents, operate the machine on or near these agents, or operate in areas where fl ammable liquids exist. • Do not clean this machine with a pressure washer. • Only use the brushes provided with the appliance or those specifi ed in the instruction manual. The use of other brushes may impair safety. • Observe the Gross Vehicle Weight, GVW, of the machine when loading, driving, lifting or supporting the machine.