Nobles SPEED SCRUB 500 Operator's Manual
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Nobles SPEED SCRUB 500 Operator's Manual

Walk-behind floor scrubber
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TennantTrue
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®
IRIS
a Tennant Technology
Insta-Fit™ Adapter
Smart-Fill™ Automatic Battery Watering
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®
SPEED SCRUB 500
WALK-BEHIND FLOOR SCRUBBER
R
OPERATOR MANUAL
®
9015513
Rev. 03 (09-2020)
*9015513*
ENGLISH

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  • Page 1 ENGLISH ® SPEED SCRUB 500 ® WALK-BEHIND FLOOR SCRUBBER OPERATOR MANUAL ® TennantTrue Parts ® IRIS a Tennant Technology Insta-Fit™ Adapter Smart-Fill™ Automatic Battery Watering 9015513 Rev. 03 (09-2020) For the latest Parts manuals and other language Operator manuals, visit: *9015513* www.nobles.com/manuals...

  • Page 2: Introduction

    INTRODUCTION INTENDED USE This manual is furnished with each new model. The Speed Scrub 500 walk-behind floor scrubber is It provides necessary operation and maintenance intended for commercial use, for example in hotels, schools, hospitals, factories, shops, offices and rental instructions.

  • Page 3: Table Of Contents

    ....HOUR METER ......Nobles Speed Scrub 500 (09-2020)
  • Page 4 CONTENTS Nobles Speed Scrub 500 (01-2017)

  • Page 5: Safety

    Set the parking brake, if equipped. because of concerns related to equipment Turn off machine and remove key. interference, please contact a Tennant representative for information on how to disable the cellular communication functionality. Nobles Speed Scrub 500 (01-2017)
  • Page 6 Battery installation must be done by trained personnel. Only use distilled water when filling the automatic battery watering tank. Wear personal protection equipment as needed and where recommended in this manual. For Safety: wear protective gloves. For Safety: wear eye protection. Nobles Speed Scrub 500 (01-2017)

  • Page 7: Safety Labels

    Batteries emit hydrogen gas. Disconnect battery Explosion or fire can result. Keep cables before servicing sparks and open flame away when machine. charging. Located on circuit breaker Located on bottom side of recovery tank. panel. Nobles Speed Scrub 500 (01-2017)

  • Page 8: Operation

    OPERATION MACHINE COMPONENTS Nobles Speed Scrub 500 (09-2020)

  • Page 9: Machine Components

    26 in / 650 mm Dual Disk 28 in / 700 mm Cylindrical Brush 28 in / 700 mm Orbital Pad 28 in / 700 mm Dual Disk 32 in / 800 mm Dual Disk Nobles Speed Scrub 500 (01-2017)

  • Page 10: Control Panel Components

    Slow speed (drive model) Automatic Battery Watering Tank (Option) Forward / Reverse (drive model) No detergent (ec-H2O option) Key On Key Off Water temperature (ec-H2O option) ec-H2O scrubbing (option) Battery charge Circuit breaker Do not power spray Nobles Speed Scrub 500 (01-2017)

  • Page 11: Installing Batteries

    The FOAM SPACER electrically converted water attacks the dirt, allowing the machine to easily scrub away the suspended soil. BLACK The converted water then returns to normal water in the recovery tank. FIG. 2 Nobles Speed Scrub 500 (09-2020)

  • Page 12: Brush And Pad Information

    3. Connect the vacuum hose to the squeegee prepare the floor for re-coating. assembly (Figure 6). Turf scrubbing pad (Green) - Used to scrub uneven floor surfaces with crevices, cracks and deep grout lines. FIG. 6 Nobles Speed Scrub 500 (01-2017)

  • Page 13: Installing Disk Brushes/Pads (Disk Scrub Head Model)

    (Figure 12). Pad will drop to floor. and set parking brake if equipped. 2. Attach the pad to the pad driver before installing the driver. Secure pad with center-lock (Figure 9). FIG. 12 FIG. 9 Nobles Speed Scrub 500 (01-2017)

  • Page 14: Installing Orbital Pads (Orbital Scrub Head Model)

    4. Guide brush onto the drive hub and refasten latch 3. Attach the two pads to the bottom of the scrub (Figure 18). head (Figure 15). Make sure pad is centered on Double row of scrub head. bristles FIG. 18 FIG. 15 Nobles Speed Scrub 500 (01-2017)

  • Page 15: Filling Solution Tank

    Drain, rinse, and refill the solution tank with clear cool distilled water when filling the automatic battery water before operating the ec-H2O system. watering tank. Conventional cleaning detergents will cause an ec-H2O system fault. FIG. 23 FIG. 20 Nobles Speed Scrub 500 (09-2020)

  • Page 16: Ec-H2O Water Conditioning Cartridge (Ec-H2O Model)

    The flashing LED alerts the operator to reduce the brush pressure setting to prevent brush motor overload. FIG. 26 Nobles Speed Scrub 500 (01-2017)

  • Page 17: Solution Flow Button

    Check for kink. Restart key. Flashing rapidly Empty ABW tank has been empty too long and scrub function has been disabled. Refill tank and restart key. FIG. 31 Nobles Speed Scrub 500 (09-2020)

  • Page 18: Machine Operation

    FIG. 34 3. ec-H2O models - The ec-H2O system will automatically turn on at key start up. The ec-H2O indicator will appear on the control panel indicating that the system is activated (Figure 35). FIG. 37 Nobles Speed Scrub 500 (01-2017)

  • Page 19: Emergency Shut-Off Button

    Keep the metal scrub head edge NOTE: To pick up any remaining water left on floor away to avoid possible damage. after scrub head is raised continue to drive machine forward with squeegee down. Nobles Speed Scrub 500 (01-2017)

  • Page 20: Circuit Breaker Panel

    20 A Vacuum motor 25 A Left brush motor 25 A Right brush motor 60 A Propel FOR SAFETY: When servicing machine, all repairs must be performed by trained personnel. Nobles Speed Scrub 500 (09-2020)

  • Page 21: Draining Solution Tank

    2. To drain remaining water from solution tank, pull the solution tank level hose from the accessory rail (Figure 48). Firmly reconnect the hose to the accessory rail after draining tank. FIG. 48 Nobles Speed Scrub 500 (01-2017)

  • Page 22: Service Indicator Codes

    ☼ ☼ S ☼ S Battery watering system fault Contact service Charger communication fault Restart. If fault repeats, contact service. S ☼ ☼ ☼ S Scrub control board communication fault ec-H2O system communication fault Battery watering CAN fault Nobles Speed Scrub 500 (01-2017)

  • Page 23: On-Board Battery Charger Service Indicator Codes

    Verify if cleaning detergent was added to solution tank. If ec-H2O system was operated with cleaning detergent, drain solution tank, add clear water and operate the ec-H2O system until the fault code clears. If fault repeats, continue to recycle key until fault clears. Nobles Speed Scrub 500 (01-2017)

  • Page 24: Maintenance

    Batteries, terminals and cables Check and clean 750 Hours Vacuum motor Replace carbon brushes 1250 Hours Propel motor Replace carbon brushes Brush motor Replace carbon brushes Brush belt Replace belt O = Operator T = Trained Personnel Nobles Speed Scrub 500 (01-2017)

  • Page 25: Machine Maintenance

    2. Remove and clean the float shut-off screen (Figure 52). FIG. 55 Orbital scrub head - Turn the working pad over or replace when worn (Figure 56). FIG. 52 3. Drain and rinse out the solution tank (Figure 53). FIG. 56 FIG. 53 Nobles Speed Scrub 500 (09-2020)
  • Page 26 FOR SAFETY: When servicing machine, do not power spray or hose off machine. Electrical malfunction may occur. Use damp cloth. FIG. 62 ATTENTION: Do not disconnect battery cables while charger is plugged in, circuit board damage may result. FIG. 59 Nobles Speed Scrub 500 (09-2020)

  • Page 27: After Weekly Use

    1. Drain solution tank. Remove the solution tank filter FOR SAFETY: When servicing batteries, wear and clean screen (Figure 65). Turn the filter bowl personal protection equipment as needed. Avoid counter-clockwise to remove. contact with battery acid. FIG. 65 FIG. 68 Nobles Speed Scrub 500 (09-2020)

  • Page 28: Electric Motors

    FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, remove key and set parking brake if equipped. Replace belts every 1250 hours. Contact trained personnel for belt replacement (Figure 69). FIG. 69 Nobles Speed Scrub 500 (NIL)

  • Page 29: Batteries

    After charging, distilled water can be added equipped with charger. up to about 3 mm (0.12 in) below the sight tubes. Nobles Speed Scrub 500 (09-2020)
  • Page 30 FOR SAFETY: Do not disconnect the off-board FIG. 75 charger's DC cord from the machine's receptacle when the charger is operating. Arcing may result. If the charger must be interrupted during charging, disconnect the AC power supply cord first. Nobles Speed Scrub 500 (01-2017)

  • Page 31: Battery Charger Settings

    5. To set the BDI for the new battery type, plug the 1. Disconnect the battery cable connection at on-board battery charger cord into an electrical machine (Figure 76). outlet. The machine's software will automatically reprogram the BDI to the new battery type. Nobles Speed Scrub 500 (09-2020)

  • Page 32: Manual Battery Watering System

    FIG. 82 6. After adding water, replace the dust cap on the battery fill hose and store the hand pump hose inside the machine's battery compartment for future use. FIG. 79 Nobles Speed Scrub 500 (09-2020)

  • Page 33: Automatic Battery Watering System

    3. Remove worn blade(s) from the blade retainer (Figure 87). FIG. 84 The automatic battery watering indicator will also alert user to add distilled water when tank is empty (Figure 85). See CONTROL PANEL OPERATION for further details. FIG. 87 FIG. 85 Nobles Speed Scrub 500 (09-2020)

  • Page 34: Ec-H2O Water Conditioning Cartridge Replacement

    FIG. 90 3. Disconnect the two hose connectors from the top of the cartridge by pressing the gray collars inward and pulling the connectors outward (Figure 91). Lift cartridge to remove. Gray Collar FIG. 91 Nobles Speed Scrub 500 (01-2017)

  • Page 35: Machine Jacking

    The three indicator lights will then blink three times to indicate timer has been reset. Repeat process if the three indicator lights do not blink three times. Service switch 3 indicator lights Solution flow button FIG. 93 Nobles Speed Scrub 500 (01-2017)

  • Page 36: Transporting Machine

    (RV) antifreeze into the solution tank. 4. Models not equipped with ec-H2O system - Turn machine on and operate the solution flow system. Turn the machine off when the antifreeze is visible on the floor. Nobles Speed Scrub 500 (01-2017)
  • Page 37 Add clean water to solution tank and to optional detergent tank and operate the machine to flush system. 7. Refill the automatic battery watering tank with distilled water, if equipped. Nobles Speed Scrub 500 (09-2020)

  • Page 38: Troubleshooting

    Incorrect brush pressure Adjust brush pressure Wrong brush/pad type Use correct brush/pad for application Low battery charge Recharge batteries Uneven brush pressure Scrub head/brushes not level. Contact service Broken or loose belt (cylindrical brush Contact service model) Nobles Speed Scrub 500 (01-2017)
  • Page 39 Battery discharge indicator (BDI) See CHARGING BATTERIES programmed incorrectly Faulty charger Replace battery charger Brush pressure set too high Lower brush pressure Excessive scrub head Damaged scrub head isolators Replace isolators. Contact service noise (Orbital model) Nobles Speed Scrub 500 (09-2020)

  • Page 40: Specifications

    Sound power level uncertainty L 83.1 dB(A) 83.1 dB(A) 83.1 dB(A) uncertainty K Machine vibration at hand-arm* <2.5 m/s Ambient operating temperature Min: 36F/2C, Max: 110F/43C *Values per IEC 60335-2-72. Specifications are subject to change without notice. Nobles Speed Scrub 500 (09-2020)
  • Page 41 Sound power level uncertainty L 84.3 dB(A) 83.4 dB(A) uncertainty K Machine vibration at hand-arm* <2.5 m/s Ambient operating temperature Min: 36F/2C, Max: 110F/43C *Values per IEC 60335- 2- 72. Specifications are subject to change without notice. Nobles Speed Scrub 500 (09-2020)

  • Page 42: Machine Dimensions

    41.3 in / 1049 mm 28 in / 700 mm Model 28 in / 700 mm Model 61.1 in / 1552 mm 46.6 in / 1234 mm 32 in / 800 mm Model 32 in / 800 mm Model Nobles Speed Scrub 500 (01-2017)
  • Page 43 SPECIFICATIONS CYLINDRICAL BRUSH MODEL 30.7 in / 780 mm 43.3 in 1100 mm 46.6 in / 1234 mm 59.1 in / 1501 mm Nobles Speed Scrub 500 (01-2017)
  • Page 44 SPECIFICATIONS ORBITAL PAD MODEL 28 in / 710 mm 43.3 in 1100 mm 58.5 in / 1486 mm 41.3 in / 1049 mm Nobles Speed Scrub 500 (01-2017)

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