Tennant T16 Service Information Manual
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Tennant T16 Service Information Manual

Rider scrubber
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T16
Rider Scrubber
Service Information Manual
The Safe Scrubbing Alternative
R
Hygenic Fully Cleanable Tanks
R
ES Extended Scrub System
R
North America / International
9008149
Rev. 00 (1-2011)
*9008149*
www.tennantco.com

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  • Page 1 Rider Scrubber Service Information Manual The Safe Scrubbing Alternative Hygenic Fully Cleanable Tanks ES Extended Scrub System North America / International 9008149 Rev. 00 (1-2011) *9008149* www.tennantco.com...
  • Page 2 Touch- -N- -Go, 1- -STEP, Grip- -N- -Go, Dura- -Track, Positive Drain Control, SmartRelease, Duramer, FaST- -PAK, are US registered and unregistered trade- marks of Tennant Company. Specifications and parts are subject to change without notice. Original Instructions, copyright E 2010 TENNANT Company, Printed in U.S.A.

  • Page 3: Table Of Contents

    Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22 T16 Service Information (1-11)
  • Page 4 Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-53 T16 Service Information (1-11)
  • Page 5 FaST Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-49 ES (Extended Scrub) Pump . . . . . . . . . . . . . 5-50 T16 Service Information (1-11)
  • Page 6 CONTENTS T16 Service Information (1-11)

  • Page 7: Safety Precautions

    - - Use care when backing machine. This machine is designed solely for scrubbing dirt - - Do not carry passengers on machine. and dust in a well lit indoor environment. Tennant - - Follow mixing and handling does not recommend using this machine in any instructions on chemical containers.
  • Page 8 LABEL - - LOCATED ON LABEL - - LOCATED RECOVERY TANK COVER UNDERSIDE OF ON SEAT PANEL. AND ON CIRCUIT SOLUTION TANK COVER. BREAKER PANEL. FOR SAFETY LABEL - - LOCATED ON CIRCUIT BREAKER PANEL. T16 Service Information 9008149 (1-11)

  • Page 9: General Information

    Machine Dimensions . . . . . . . . . . . . . . . . . . . 2-19 T16 Service Information 9008149 (1-11)

  • Page 10: Component Locator

    Detergent Metering Tank* Circuit Breakers (1-10) Solution Tank Vacuum Fan Housing Rear Squeegee Lift Actuator M Detergent Metering Pump* Side Brush Motor* O Throttle/Brake Sensor Curtis 1234 Controller Q Circuit Breakers (11-19) Recovery Tank * Optional Equipment T16 Service Information 9008149 (1-11)
  • Page 11 LH Side Brush Motor* Pre-Sweep Vacuum Fan* Pre-Sweep Lift Actuator* Diodes (D-2, D-3, D-10*) AA Side Brush Lift Actuator* Main Brush Lift Actuator Conventional Water Valve DD Solution Tank Level Sensor Main Brush Motors * Optional Equipment T16 Service Information 9008149 (1-11)
  • Page 12 SWITCH OPENS IF CHARGER PLUGGED IN. P1-D CONN11B 1/RED 4/YEL 3/ORA 2.5A 102/BRN SWITCHED B+ AC PLUG 1/RED 2/BRN 2/BRN SWITCHED B+ 2.5A 2.5A 2/BRN 10/TAN 5/GRN CABLE, BAT.- M1 MAIN FU-2 FU-2 100A 100A T16 Service Information 9008149 (1-11)
  • Page 13 GENERAL INFORMATION ELECTRICAL SCHEMATIC (2 of ) MEMBRANE TOUCH PANEL QUANTUM CONTROL BOAR QUANTUM CAN BUS CONTROL BOARD CONN11A CONN11B 2/BRN T16 Service Information 9008149 (1-11)
  • Page 14 GENERAL INFORMATION ELECTRICAL SCHEMATIC ( of ) 13/BLK GROUND QUANTUM CONTROL BOARD QUANTUM CONTROL BOARD 2/BRN SWITCHED B+ T16 Service Information 9008149 (1-11)
  • Page 15 GENERAL INFORMATION ELECTRICAL SCHEMATIC ( of ) GROUND GROUND SWITCHED B+ SWITCHED B+ T16 Service Information 9008149 (1-11)
  • Page 16 GENERAL INFORMATION ELECTRICAL SCHEMATIC ( of ) 13/BLK 13/BLK CONN5H CONN6H NOT USED CONN5G CONN6G 43/ORA ENABLE 145/GRN 145/GRN CB15 92/BRN 2.5A SWITCHED B+ T16 Service Information 9008149 (1-11)
  • Page 17 GENERAL INFORMATION ELECTRICAL SCHEMATIC ( of ) 13/BLK CONN5H CONN6H 43/ORA ENABLE 145/GRN 145/GRN SWITCHED B+ T16 Service Information 9008149 (1-11)

  • Page 18: Electrical Schematic Symbols

    Induction Motor Energized Relay Coil Adaptor Harness Motor Encoder N.C. Relay Contacts Sensor (Variable Resistor) Notes Momenary Switch N.O. N.O. Relay Contacts Assembly Contact Switch N.C. Horn or Alarm AC Plug Solenoid Valve Capacitor Light 2-10 T16 Service Information 9008149 (1-11)

  • Page 19: Operational Matrix

    • 1-STEP Scrub OFF (Non Pre-Sweep) • Side Brush Switch ON • Side Brush Switch OFF • Recovery Tank Full • Solution Tank Empty • Very Low Battery Voltage • Load Current Fault MOM001 2-11 T16 Service Information 9008149 (1-11)
  • Page 20 • Solution Control OFF • ES Button ON • ES Button OFF • Recovery Tank 1/2 Full • Recovery Tank Full • Solution Tank Full • Very Low Battery Voltage • Load Current Fault MOM002 2-12 T16 Service Information 9008149 (1-11)
  • Page 21 • Seat Switch Open • Seat Switch Closed • Curtis 1234 Fault Back-Up Alarm/Lights • Reverse Switch Input • Forward Switch Input • Reverse Throttle Command • Neutral - Ready State • Curtis 1234 Fault MOM003 2-1 T16 Service Information 9008149 (1-11)

  • Page 22: Fastener Torque

    508 - 660 Nm 177 - 230 Nm 409 - 530 Nm 574 - 745 Nm 686 - 890 Nm 227 - 295 Nm 520 - 675 Nm 732 - 950 Nm 879 - 1140 Nm 2-1 T16 Service Information 9008149 (1-11)

  • Page 23: General Machine Performance

    Maximum rated climb and descent angle for scrubbing 4˚ / 7% Maximum rated climb and descent angle for trailering 11˚ / 20% Sound level at operator’s ear (economy mode) Disk 68 dBA, Cylindrical 71 dBa 2-1 T16 Service Information 9008149 (1-11)

  • Page 24: Power Type

    Front (1) Solid 102 mm wide x 300 mm OD (4 in wide x 12 in OD) Rear (2) Solid 102 mm wide x 300 mm OD (4 in wide x 12 in OD) 2-1 T16 Service Information 9008149 (1-11)

  • Page 25: Fast System (Option)

    Down pressure #3 11 - 22 Amps/Motor (default 22 Amps) Motors, Main cylindrical brush Down pressure #1 11 Amps/Motor (Fixed) Down pressure #2 11 - 16 Amps/Motor (default 16 Amps) Down pressure #3 11 - 22 Amps/Motor (default 22 Amps) 2-17 T16 Service Information 9008149 (1-11)
  • Page 26 3 - 5 Amps Pump, Side Brush 0 .5 - 2 Amps Valve, FaST/ec-H2O Side Brush 129 Ω +/- 5% Valve, Conventional Side Brush 127 Ω +/- 5% Valve, Conventional Main Brush 103 Ω +/- 5% 2-18 T16 Service Information 9008149 (1-11)

  • Page 27: Machine Dimensions

    MACHINE DIMENSIONS Rear Squeegee 1090mm (43 in) 2080 mm (82 in) 1475 mm (58 in) Frame 1880 mm (roller to roller) (74 in) 1040 mm (41 in) Width (with side brush) 1170 mm (46 in) 2-19 T16 Service Information 9008149 (1-11)
  • Page 28 GENERAL INFORMATION 2-20 T16 Service Information 9008149 (1-11)

  • Page 29: Maintenance

    Squeegee Blades . . . . . . . . . . . . . . . . . . . . 3-32 Replacing (or Rotating) the Side T16 Service Information 9008149 (1-11)

  • Page 30: Maintenance Chart

    Check for damage, wear, debris Recovery tank Clean tank Recovery tank (ES only) Clean ES lter Solution tank (ES only) Clean solution supply lter Vacuum fan inlet lter Clean Cylindrical brushes only: Clean Debris tray T16 Service Information 9008149 (1-11)
  • Page 31 LUBRICANT/FLUID ..Distilled water..Special lubricant, Lubriplate EMB grease (Tennant part number 01433--1) ..SAE 90 weight gear lubricant NOTE: More frequent maintenance intervals may be required in extremely dusty conditions.

  • Page 32: Lubrication

    Lubricate the steering chain after every 200 hours. STEERING GEAR CHAIN The steering gear chain is located directly above the front tire. Lubricate the steering gear chain after every 200 hours. T16 Service Information 9008149 (1-11)

  • Page 33: Batteries

    Keep the tops of the batteries clean and dry. Objects made of metal can potentially short circuit the batteries. Keep all metallic objects o batteries. Replace any worn or damaged wires. T16 Service Information 9008149 (1-11)

  • Page 34: Charging The Batteries

    “Battery Charger, Faults” in the TROUBLESHOOTING section of this manual. 7. The Tennant charger will start automatically. When the batteries are fully charged, the 08247 Tennant charger will automatically turn o .

  • Page 35: Charging The Batteries

    MAINTENANCE CHARGING THE BATTERIES (ON- -BOARD 6. Plug the on--board battery charger into a wall CHARGER) outlet. The Tennant on--board charger will start charging the batteries 1. Drive the machine to a at, dry surface in a well--ventilated area. WARNING: Batteries emit hydrogen gas.

  • Page 36: Circuit Breakers

    Circuit breaker 20 is located inside the optional Pre--Sweep main brush motor, and side brush light assembly mounted on top of the recovery motors after the rst 1000 hours of operation and tank. every 100 hours after the initial check. T16 Service Information 9008149 (1-11)

  • Page 37: Scrub Brushes

    7. Ensure the brush is securely mounted on the brush drive hub. 8. Close and secure the left side squeegee assembly. 9. Repeat procedure for the other brush. T16 Service Information 9008149 (1-11)

  • Page 38: Replacing Disk Scrub Pads

    4. Flip or replace the scrub pad. Center the scrub pad on the pad driver and reinstall the center disk to secure the pad in place on the pad driver. 5. Reinstall the pad driver onto the machine. -10 T16 Service Information 9008149 (1-11)

  • Page 39: Cylindrical Brushes

    NOTE: Each side of the scrub head is stamped with a letter. The idler door is stamped with the same letter. Make sure the letter on the idler door matches the letter on the scrub head when reinstalling the doors. -11 T16 Service Information 9008149 (1-11)

  • Page 40: Checking Cylindrical Scrub

    CONFIG MODE appears on the LCD display. Release the con guration mode button. 5. Press the Contrast control button once to scroll to C16: Dwn Pres Tst Disabled (Down Pressure Test Disabled). -12 T16 Service Information 9008149 (1-11)
  • Page 41 Down Pressure Test Enabled mode has been saved. The entire procedure to get the machine into the Down Pressure Test Mode will need to be repeated if the machine is turned o a second time. -1 T16 Service Information 9008149 (1-11)
  • Page 42 11. Observe the solution ow indicator lights. None of the indicator lights should be illuminated. 15. Press the 1- - STEP button to raise the scrub head and drive the machine away from the chalked area. -1 T16 Service Information 9008149 (1-11)

  • Page 43: Adjusting Cylindrical Brush Taper

    6. Recheck the pattern. Readjust if necessary. 7. Repeat procedure for the other brush located on other side of the scrub head. 10653 19. Turn the key to the o position to return to normal operation. -1 T16 Service Information 9008149 (1-11)

  • Page 44: Pattern Width

    NOTE: Two full turns of the scrub head link adjustment bolt will change the brush pattern approximately 25 mm (1 in). 6. Retighten the lock nut located against the bracket. 7. Recheck the pattern. Readjust if necessary. -1 T16 Service Information 9008149 (1-11)

  • Page 45: Side Brush (Option)

    FOR SAFETY: Before leaving or servicing machine, stop on level surface and turn o machine. 3. Remove the knobs holding the side brush squeegee assembly to the machine and remove the squeegee assembly from the machine. -17 T16 Service Information 9008149 (1-11)

  • Page 46: Pre-Sweep Brushes

    Pre--Sweep assembly. 6. Install the new side brush onto the Pre--Sweep side brush assembly. 3. Turn o the machine. FOR SAFETY: Before leaving or servicing machine, stop on level surface and turn o machine. -18 T16 Service Information 9008149 (1-11)

  • Page 47: Replacing The Pre-Sweep

    7. Remove the cylindrical brush and replace with a new brush. 8. Guide the slotted end of the new brush onto the drive hub. 9. Reinstall the side skirt, side skirt plate, and left brush arm. -19 T16 Service Information 9008149 (1-11)

  • Page 48: Cylindrical Brush

    C1: Disk/Cyl Cyl should appear in the LCD while turning the key to the on position. display. Continue holding the Con guration mode button until CONFIG MODE appears on the LCD display. Release the con guration mode button. -20 T16 Service Information 9008149 (1-11)
  • Page 49 6. Press the Brush pressure button to enter the 7. Press the Contrast control button once to down pressure test selection mode. select C16:Dwn Pres Tst<Enabled (Down Pressure Test Enabled). The < symbol must appear in front of Enabled. -21 T16 Service Information 9008149 (1-11)
  • Page 50 Down Pressure Test Enabled mode has been saved. The entire procedure to get the machine into the Down Pressure Test Mode will need to be repeated if the machine is turned o a second time. -22 T16 Service Information 9008149 (1-11)
  • Page 51 10355 17. If the brush pattern is tapered, the brush needs adjustment to straighten the brush pattern. 10356 -2 T16 Service Information 9008149 (1-11)

  • Page 52: Fast

    NOTE: The FaST- - PAK Floor Cleaning Concentrate is specially designed for use with the FaST system scrubbing application. NEVER use a substitute. Other cleaning solutions may cause FaST system failure. 4. Slide the FaST--PAK carton into the FaST--PAK bracket. -2 T16 Service Information 9008149 (1-11)

  • Page 53: Ec-H2O Module Flush Procedure

    6. Place the drain hose into a empty container. 7. Pour 2 gallons (7.6 liters) of white or rice vinegar into the solution tank. FOR SAFETY: Wear protective gloves and eye protection when handling vinegar. -2 T16 Service Information 9008149 (1-11)
  • Page 54 13. Reconnect the outlet hose to the the scrub head to the ec--H2O manifold hose. 14. Place the drain hose back into the ec--H2O compartment. 15. Reinstall the ec--H2O compartment cover. 16. Close the operator seat cover. -2 T16 Service Information 9008149 (1-11)

  • Page 55: Squeegee Blades

    FOR SAFETY: Before leaving or servicing machine, stop on level surface and turn o machine. 2. Disconnect the vacuum hose from the rear squeegee assembly. 4. Pull the rear squeegee assembly from the machine. -27 T16 Service Information 9008149 (1-11)
  • Page 56 10. Install the rotated or new squeegee blade into the outer frame. Be sure the squeegee is 7. Slide both retainers out away from the completely slid down onto each tab on the squeegee assembly. outer frame. -28 T16 Service Information 9008149 (1-11)
  • Page 57 13. Place the rotated or new squeegee blade onto the inner frame. Be sure the squeegee is securely attached on each tab on the inner frame. -29 T16 Service Information 9008149 (1-11)

  • Page 58: Leveling The Rear Squeegee

    7. Drive the machine forward with the squeegee 4. To adjust the squeegee leveling, loosen the tilt down to recheck the squeegee blade lock knob. de ection if adjustments were made. 8. Readjust the squeegee blade de ection if necessary. -0 T16 Service Information 9008149 (1-11)

  • Page 59: Adjusting The Rear Squeegee

    15 mm (0.62 in) for rough oors. 5. Retighten the lock knob. 6. Drive the machine forward again to recheck the squeegee blade de ection. 7. Readjust the squeegee blade de ection if necessary. -1 T16 Service Information 9008149 (1-11)

  • Page 60: Replacing Or Rotating The Side

    4. Remove the retaining band from the side squeegee assembly. 8. Fasten the retaining band latch onto the side squeegee assembly. 9. Repeat for the side squeegee on the other side of the scrub head. -2 T16 Service Information 9008149 (1-11)

  • Page 61: Replacing Or Rotating The Side Brush Squeegee Blade(S) (Option)

    FOR SAFETY: Before leaving or servicing machine, stop on level surface and turn o machine. 4. Loosen the retaining band latch. - T16 Service Information 9008149 (1-11)
  • Page 62 NOTE: Brush wear may a ect squeegee de ection. Install / reinstall squeegees so the de ection is approximately 12 mm (0.50 in) for smooth oors and 15 mm (0.62 in) for rough oors. - T16 Service Information 9008149 (1-11)

  • Page 63: Skirts And Seals

    Check the skirts for damage and wear after every 50 hours of operation. PRE- -SWEEP RECIRCULATION SKIRT (OPTION) The Pre--Sweep recirculation skirt is located behind the main sweeping brush. Check the skirt for damage and wear after every 50 hours of operation. - T16 Service Information 9008149 (1-11)

  • Page 64: Belts And Chains

    The brush drive belts are located on the tires for damage and wear after every 500 hours cylindrical brush scrub head. Check the belts for of operation. damage and wear after every 200 hours of operation. - T16 Service Information 9008149 (1-11)

  • Page 65: Pushing, Towing, And Transporting

    FOR SAFETY: Do not operate machine with as far as possible. If the machine starts to brake disabled. veer o the center line of the truck or trailer, stop and turn the steering wheel to center the machine. -7 T16 Service Information 9008149 (1-11)
  • Page 66 Do not drive the machine o the truck or trailer unless the loading surface is horizontal AND 380 mm (15 in) or less from the ground. The rear tie-down locations are the holes in the frame. -8 T16 Service Information 9008149 (1-11)

  • Page 67: Machine Jacking

    FOR SAFETY: When servicing machine, block machine tires before jacking machine up. Use a hoist or jack that will support the weight of the machine. Jack machine up at designated locations only. Support machine with jack stands. -9 T16 Service Information 9008149 (1-11)

  • Page 68: Freeze Protection

    Operate the wand for a solution tank. few seconds to protect the pump. 13. Turn o the machine. 14. The remaining RV antifreeze does not need to be drained from the solution tank. -0 T16 Service Information 9008149 (1-11)

  • Page 69: Preparing The Machine For Operation

    RV antifreeze from the pump. 10. Turn o the machine. 11. The remaining water does not need to be drained from the solution tank. 4. Turn on the machine 5. Press the 1- - STEP button. -1 T16 Service Information 9008149 (1-11)

  • Page 70: Freeze Protection

    9. Connect the drain hose to the ec--H2O 5. Lift the operator seat open and engage the manifold hose disconnected from the outlet seat support bar. hose in the previous step. 6. Remove the ec--H2O compartment cover. -2 T16 Service Information 9008149 (1-11)
  • Page 71 14. Reconnect the outlet hose to the scrub head to the ec--H2O manifold hose. 15. Place the drain hose back into the ec--H2O compartment. 16. Reinstall the ec--H2O compartment cover. 17. Close the operator seat cover. - T16 Service Information 9008149 (1-11)

  • Page 72: Priming The Ec-H2O System

    10. Reconnect the outlet hose to the scrub head compartment. to ec--H2O manifold hose. 11. Place the drain hose back into the ec--H2O compartment. 12. Reinstall the ec--H2O compartment cover. 13. Close the operator seat cover. - T16 Service Information 9008149 (1-11)

  • Page 73: Troubleshooting

    Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-43 T16 Service Information 9008149 (1-11)

  • Page 74: Self-Test Mode

    . “SELF-TEST STARTING” will appear on the LCD . STP003 2 . Key switch On . Release the configuration mode ****SELF-TEST*** button when “CONFIG MODE” appears on the LCD . STARTING STP002 CONFIG MODE T16 Service Information 9008149 (1-11)
  • Page 75 Alarm Output S13:Head Act J5-1,2/Short S31:FaST/Ec Side J7-9/Short S14:Squeegee ActJ5-5,6/Open S32:On Board Relay/Open S15:Squeegee ActJ5-5,6/Short S33:On Board Relay/Short S16:Side Act J5-3,4/Open S34:Alarm J7-7/Open S17:Side Act J5-3,4/Short S35:Alarm J7-7/Short S18:Presweep J7-4/Open S36:Curtis CAN J6-13,14 No Comm STP006 T16 Service Information 9008149 (1-11)

  • Page 76: Configuration Mode

    C7:Main Press #3 XX Amps C8:Transport Spd XX.X MPH C9:Scrubbing Spd XX.X MPH CONFIG MODE C10:Propel H.M. XXXX.X Hrs C11:Main Water Low/Med/High C12:Side Brush? Sweep/Scrub C13:Scrub H.M. XXXX.X Hr C14:Reset C15:Battery Type C16:Dwn Pres Tst CMP002 T16 Service Information 9008149 (1-11)
  • Page 77 1 LED, 2 LEDs, or 3 LEDs. C5 (#1) down pressure is not adjustable. NOTE: C4:Reset Press.? mode. Press the brush pressure button after “No” changes to “Yes” following step 7. This completes the reset process. T16 Service Information 9008149 (1-11)

  • Page 78: Lcd Warnings

    ON. CLEAR: Correct open circuit condition. W12:Solution O Solution Water is O SET: Solution is OFF during scrub mode for 15 seconds. CLEAR: Correct warning condition. WMM001 T16 Service Information 9008149 (1-11)

  • Page 79: Lcd Faults

    KSI terminal of PMC or 31.6 Volts at battery. CLEAR: Charge batteries to BDI reset threshold of 37 Volts at KSI terminal of PMC or 38.3 Volts at batteries. SET: Curtis 1234 PMC to T16 logic board F5:Propel Error Propel Controller CAN-bus Connectivity CAN-bus connectivity problem or Error Curtis 1234 PMC power supply problem.
  • Page 80 TROUbLESHOOTING LCD Faults, continued T16 LCD Fault Messages, continued FAULT FAULT MESSAGE FAULT DESCRIPTION SET/CLEAR CODE F7:Right Br Flt# Right Brush Over Current, Fault # SET: Fault #1 = Current Exceeds 30A for 30 Seconds; Fault #2 = Current Exceeds 40A for 5 Seconds;...

  • Page 81: Propel Diagnostic Mode

    Curtis 1234 control- ler inputs on the instrument panel LCD (Liquid Crystal CONFIG MODE Display) . The input data is transmitted to the T16 control- PROPEL DIAG MODE ler through a CAN-bus (Controller Area Network) .
  • Page 82 Displays Curtis 1234 controller P7:Motor Temp XXXX.XC XXXX.XF temperature XXXX.XC XXXX.XF P7:Motor Temp Displays drive motor temperature. P8:PropelCurrent XXXX.XC XXXX.XF Thermistor located in drive assembly. XXXX.X A PDM003 P8:PropelCurrent Displays propel motor current. XXXX.X A PDM004 -10 T16 Service Information 9008149 (1-11)

  • Page 83: Diagnostic Led Operation

    The red LED ashes twice to indicate that the second digit of the code will follow; the yellow LED ashes the appropriate number of times for the second digit. Example: Battery Undervoltage (Code 23) YELLOW YELLOW ( rst digit) (second digit) -11 T16 Service Information 9008149 (1-11)
  • Page 84 Clear: Bring capacitor voltage above 3. Battery resistance too high. severe undervoltage limit. 4. Battery disconnected while driving. 5. See Monitor menu » Battery: Capacitor Voltage. 6. Blown B+ fuse or main contactor did not close. PMC003 -12 T16 Service Information 9008149 (1-11)
  • Page 85 Output 6 driver (pin 19) is too low. Digital Output 6 driver exceeded 15 mA. will not turn on. Clear: Remedy the overcurrent cause and use the VCL function Set_DigOut() to turn the driver on again. PMC004 -1 T16 Service Information 9008149 (1-11)
  • Page 86 1. Open or short on driver load. Set: Driver 4 (pin3) is either open or 2. Dirty connector pins. shorted. ShutdownDriver4. 3. Bad crimps or faulty wiring. Clear: Correct open or short, and cycle driver. PMC005 -1 T16 Service Information 9008149 (1-11)
  • Page 87 Set: Pot2 wiper (pin 17) voltage is Pot2 Raw. higher than the high fault threshold FullBrake. 2. Pot2 wiper voltage too high. (can be changed with the VCL function Setup_Pot_Faults()). Clear: Bring Pot2 wiper voltage below the fault threshold. PMC006 -1 T16 Service Information 9008149 (1-11)
  • Page 88 Clear: Cycle KSI ShutdownEMBrake; operate until KSI is cycled. ShutdownThrottle; For example, if a user changes the FullBrake; Throttle Type this fault will appear ShutdownPump. and require cycling KSI before the vehicle can operate. PMC007 -1 T16 Service Information 9008149 (1-11)
  • Page 89 4. Problems with power supply for detect valid motor encoder signals the motor encoder. while operating in LOS mode and 5. See Monitor menu » Motor: return Throttle Command = 0 and Motor RPM. Motor RPM= 0 PMC008 -17 T16 Service Information 9008149 (1-11)
  • Page 90 Clear: Cycle KSI, or if LOS mode was acti- 3. Bad crimps or faulty wiring. vated by the Stall Fault, clear by ensuring 4. Vehicle is stalled. encoder senses proper operation, Motor RPM = 0, and Throttle Command = 0. PMC009 -18 T16 Service Information 9008149 (1-11)
  • Page 91 Model_Number, and a fault is ShutdownEMBrake; 2. Software and hardware do not match. issued if one is not found. ShutdownThrottle; Clear: Download appropriate software 3. Controller defective. FullBrake; for your controller model. ShutdownPump. PMC010 -19 T16 Service Information 9008149 (1-11)

  • Page 92: Input Display Mode

    “CONFIG MODE” appears on the LCD . gradually from 0(0) to 5(5) in a 0(0), 0(1), 1(1), 1(2), 2(2), 2(3)... sequence. STP002 IDM002 I1:Sol Tank 2(2) XXXX Filt(Raw) CONFIG MODE -20 T16 Service Information 9008149 (1-11)
  • Page 93 IX:Input Mode Message Here I14:Down Pres. I15:Alt Solution Button Pressed Button Pressed I11:Left Water Off Button Pressed I12:Right Water Off Button Pressed I6:Vac Button Pressed I10:Dec Solution I9:Inc Solution Button Pressed Button Pressed IDM004 -21 T16 Service Information 9008149 (1-11)

  • Page 94: Manual Mode

    Manual Mode . “Manual Mode On . . . ” will appear on the LCD . MMP002 2 . Key switch On . Release the configuration mode Manual Mode On M1:L Brush XX.X button when “CONFIG MODE” appears on the LCD . STP002 CONFIG MODE -22 T16 Service Information 9008149 (1-11)
  • Page 95 Scrub Head Lift Actuator M9:He XX.X Side Brush Brush Pressure, Water Flow (-), Horn Button Brush down pressure button disables Lift Actuator Manual Mode On M10:Sq Act XX.X MMP004 Manual Mode On M11:SB Act XX.X MMP003 -2 T16 Service Information 9008149 (1-11)

  • Page 96: Battery Charger, Standard

    Lead-Acid, 360 Ah CHANGING CHARGER SETTING 1 . Key Off . Disconnect battery charger from AC power supply and the batteries . Wait 30 seconds before proceeding to step 2 to allow for capacitor discharge . -2 T16 Service Information 9008149 (1-11)

  • Page 97: Battery Charger, Onboard Option

    3 . Use the table below to set the dip switches for Lead-Acid or Gel batteries . NOTE: The dip switches below are shown in the default Lead- Acid position. OBC003 Dip #1 OBC005 TYPE OFF ON ACID OFF ON OFF ON -2 T16 Service Information 9008149 (1-11)

  • Page 98: Back-Up Alarm/Light

    Operational Matrix: Enabled Disabled Battery Positive + • Rev Switch Input • Fwd Switch Input Back-Up Battery Negative - • • Neutral - Ready State Rev Throttle Command Alarm/Lights • Curtis 1234 Fault PMC011 -2 T16 Service Information 9008149 (1-11)

  • Page 99: Troubleshooting

    LCD = Liquid Crystal Display Backprobe = To insert voltmeter probe(s) into the back of a connector to contact a terminal(s) while the circuit oper- ates or should be operating . VDC = DC Voltage -27 T16 Service Information 9008149 (1-11)

  • Page 100: Troubleshooting

    2.5A 2.5A Key Switch 50 Start BATT E-Stop Switch 6/BLU 7/PUR Interlock Connection Battery Positive + Note: Battery charger interlock Battery Negative - harness connects to main AC Volts harness S-3 interlock connection. OBC001 -28 T16 Service Information 9008149 (1-11)
  • Page 101 0 .050 (50 points) specific gravity of each other? Terms: AC = Alternating Current AGM = Absorbed Glass Mat Specific Gravity = Relative density of a substance compared to water (1 .000 specific gravity) -29 T16 Service Information 9008149 (1-11)
  • Page 102 AC Plug O Board Battery Charger rush LT+ 1/RED 2.5A Key Switch 50 Start BATT E-Stop Switch 6/BLU 7/PUR 8/GRY S-3 Charger Battery Positive + Interlock Switch (N.C.) Battery Negative - AC Volts OBC002 -0 T16 Service Information 9008149 (1-11)
  • Page 103 0 .050 (50 points) specific gravity of each other? Terms: AC = Alternating Current AGM = Absorbed Glass Mat Specific Gravity = Relative density of a substance compared to water (water = 1 .000 specific gravity) -1 T16 Service Information 9008149 (1-11)

  • Page 104: Parking Brake, Electromagnetic

    E-Stop Switch Open (Up) • Battery Negative - E-Stop Switch Closed (Down) Magnetic • Neutral (1-2 Second Delay) • Throttle Command Brake • Seat Switch Open • Seat Switch Closed • Curtis 1234 Fault PMC012 -2 T16 Service Information 9008149 (1-11)

  • Page 105: Electrical Schematic

    Test voltage applied to the parking brake as shown Repair or Re- on the electrical schematic place Neces- • Are the electrical circuits operating as shown on the sary Compo- electrical schematic? nents Terms: LCD = Liquid Crystal Display - T16 Service Information 9008149 (1-11)

  • Page 106: Detergent Metering

    • Neutral-Ready State • 2 or 3 Solution LEDs ON Battery Negative - • Recovery Tank Full • Fwd/Rev Propel • Solution Tank Empty • Very Low Batt Voltage DMP001 • Load Current Fault - T16 Service Information 9008149 (1-11)

  • Page 107: Electrical Schematic

    • Are the electrical circuits operating as shown on the electrical schematic? Terms: LCD = Liquid Crystal Display J7-12 = T16 Control Board Connector #7, Pin #12 - T16 Service Information 9008149 (1-11)

  • Page 108: Extended Scrub

    • ES Button OFF • ES Button ON Scrub Battery Negative - • Solution Tank Full • Recovery Tank 1/2 Full • Recovery Tank Full • Very Low Batt Voltage • Load Current Fault ESC001 - T16 Service Information 9008149 (1-11)

  • Page 109: Electrical Schematic

    Compo- • Are the electrical circuits operating as shown on the nents electrical schematic? Terms: ES = Extended Scrub LCD = Liquid Crystal Display J7-10 = T16 Control Board Connector #7, Pin #10 -7 T16 Service Information 9008149 (1-11)
  • Page 110 Headlight and Flashing ON/Up = 3-4, 7-8 Center Headlight (LED) CB11 CB12 (2.5A) 77/PUR (15A) 75/GRN CB13 (2.5A) 78/GRY 93/ORA 13/BLK OHG Flash/ CB15 Strobe Light (2.5A) 92/BRN 13/BLK Flash/Strobe Light Battery Positive + Battery Negative - ELC001 -8 T16 Service Information 9008149 (1-11)

  • Page 111: Lighting

    Test voltage applied to the lighting subsystem as Location and shown on the electrical schematic Repair or Re- • Are the electrical circuits operating as shown on the place Neces- electrical schematic? sary Compo- nents -9 T16 Service Information 9008149 (1-11)

  • Page 112: Main Scrub Brushes

    • 1-STEP Scrub OFF • Fwd/Rev Propel • Neutral-Ready State Main Scrub Battery Positive + • Recovery Tank Full Brushes • Solution Tank Empty Battery Negative - • Very Low Batt Voltage • Load Current Fault MSC001 -0 T16 Service Information 9008149 (1-11)

  • Page 113: Electrical Schematic

    Terms: LCD = Liquid Crystal Display J3-1 = T16 Control Board Connector #3, Pin #1 J3-2 = T16 Control Board Connector #3, Pin #2 J3-5 = T16 Control Board Connector #3, Pin #5 J3-6 = T16 Control Board Connector #3, Pin #6...

  • Page 114: Power-Up

    B+(Control) From Buss Bar Cable Control Instrument Panel Assembly Board Tennant Quantum UI ver X.X Shield Battery Positive + (Key - On Position) Battery Positive + PUC001 (Key - Start Position) Battery Negative - -2 T16 Service Information 9008149 (1-11)

  • Page 115: Electrical Schematic

    Drop shown on the electrical schematic Location and • Are the electrical circuits operating as shown on the Repair or Re- electrical schematic? place Neces- sary Compo- nents Terms: VDC = DC Voltage - T16 Service Information 9008149 (1-11)

  • Page 116: Pre-Sweep Brushes

    Enabled Disabled Battery Positive + • Pre-Sweep Switch ON • Pre-Sweep Switch OFF Pre-Sweep • Fwd/Rev Propel Battery Negative - • Neutral-Ready State Brushes • Very Low Battery Voltage • Load Current Fault PSB001 - T16 Service Information 9008149 (1-11)

  • Page 117: Troubleshooting

    Are the electrical circuits operating as shown on the Repair or Re- electrical schematic? place Neces- sary Compo- nents Terms: LCD = Liquid Crystal Display J7-4 = T16 Control Board Connector #7, Pin #4 - T16 Service Information 9008149 (1-11)

  • Page 118: Troubleshooting

    (15A) Limit Sw. 68/GRY Black 69/WHT 65/GRN 71/PNK Extend Limit Sw. 13/BLK Operational Matrix: Battery Positive + Enabled Disabled Pre-Sweep Battery Negative - • Pre-Sweep Switch ON • Pre-Sweep Switch OFF Brushes Down PSL001 - T16 Service Information 9008149 (1-11)

  • Page 119: Electrical Schematic, Up

    Test voltage applied to the Pre-Sweep lift subsystem Location and as shown on the electrical schematic Repair or Re- • Are the electrical circuits operating as shown on the place Neces- electrical schematic? sary Compo- nents -7 T16 Service Information 9008149 (1-11)
  • Page 120 (15A) Limit Sw. 68/GRY Black 69/WHT 65/GRN 71/PNK Extend Limit Sw. 13/BLK Operational Matrix: Battery Positive + Enabled Disabled Battery Negative - • Pre-Sweep Switch OFF • Pre-Sweep Switch ON Pre-Sweep Brushes Up PSL002 -8 T16 Service Information 9008149 (1-11)
  • Page 121 Test voltage applied to the Pre-Sweep lift subsystem Location and as shown on the electrical schematic Repair or Re- • Are the electrical circuits operating as shown on the place Neces- electrical schematic? sary Compo- nents -9 T16 Service Information 9008149 (1-11)

  • Page 122: Propel

    Battery Positive + • Seat Switch Closed • Seat Switch Open • Foot Throttle • Neutral-Ready State Battery Negative - Propel Command • Brake Command • Fwd/Rev Switch Input • Curtis 1234 Fault PMC001 -0 T16 Service Information 9008149 (1-11)

  • Page 123: Electrical Schematic

    Test voltage applied to the propel subsystem as place Neces- shown on the electrical schematic sary Compo- • Are the electrical circuits operating as shown on the nents electrical schematic? Terms: LCD = Liquid Crystal Display VDC = Direct Current Voltage -1 T16 Service Information 9008149 (1-11)
  • Page 124 • 1-STEP Scrub OFF • Squeegee/Vac ON • Squeegee/Vac OFF Squeegee Battery Positive + • Reverse Propel Down • Recovery Tank Full Battery Negative - • Very Low Batt Voltage • Load Current Fault RSL001 -2 T16 Service Information 9008149 (1-11)

  • Page 125: Rear Squeegee Lift

    Are the electrical circuits operating as shown on the sary Compo- electrical schematic? nents Terms: LCD = Liquid Crystal Display J5-5 = T16 Controller Connector #5, Pin #5 J5-6 = T16 Controller Connector #5, Pin #6 - T16 Service Information 9008149 (1-11)

  • Page 126: Scrub Head Lift

    • 1-STEP Scrub OFF • Fwd/Rev Propel • Neutral-Ready State Scrub Head Battery Positive + • Recovery Tank Full Down • Solution Tank Empty Battery Negative - • Very Low Batt Voltage • Load Current Fault MSL001 - T16 Service Information 9008149 (1-11)

  • Page 127: Electrical Schematic

    Are the electrical circuits operating as shown on the sary Compo- electrical schematic? nents Terms: LCD = Liquid Crystal Display J5-2 = T16 Controller Connector #5, Pin #2 J5-3 = T16 Controller Connector #5, Pin #1 - T16 Service Information 9008149 (1-11)

  • Page 128: Side Brush

    • Side Brush Switch ON Battery Positive + • Recovery Tank Full Side Brush • Fwd/Rev Propel • Solution Tank Empty Battery Negative - • Very Low Batt Voltage • Load Current Fault • Neutral (Ready State) SBC001 - T16 Service Information 9008149 (1-11)

  • Page 129: Electrical Schematic

    Are the electrical circuits operating as shown on the place Neces- electrical schematic? sary Compo- nents Terms: LCD = Liquid Crystal Display J3-4 = T16 Controller Connector #3, Pin #4 J3-3 = T16 Controller Connector #3, Pin #3 -7 T16 Service Information 9008149 (1-11)

  • Page 130: Side Brush Lift

    • Side Brush Switch OFF Side Brush • Side Brush Switch ON Battery Positive + • Recovery Tank Full Extend/Down • Solution Tank Empty Battery Negative - • Very Low Batt Voltage • Load Current Fault SBED001 -8 T16 Service Information 9008149 (1-11)

  • Page 131: Troubleshooting

    • Are the electrical circuits operating as shown on the electrical schematic? Terms: LCD = Liquid Crystal Display J5-4 = T16 Controller Connector #5, Pin #4 J5-3 = T16 Controller Connector #5, Pin #3 -9 T16 Service Information 9008149 (1-11)

  • Page 132: Side Brush Lift

    • Side Brush Switch OFF Side Brush • Side Brush Switch ON Battery Positive + • Recovery Tank Full Retract/Up • Solution Tank Empty Battery Negative - • Very Low Batt Voltage • Load Current Fault SBED002 -0 T16 Service Information 9008149 (1-11)

  • Page 133: Electrical Schematic, Up

    Are the electrical circuits operating as shown on the place Neces- electrical schematic? sary Compo- nents Terms: LCD = Liquid Crystal Display J5-4 = T16 Controller Connector #5, Pin #4 J5-3 = T16 Controller Connector #5, Pin #3 -1 T16 Service Information 9008149 (1-11)

  • Page 134: Solution Control, Conventional

    • Solution Control ON Battery Positive + • Neutral-Ready State • Fwd/Rev Propel Control • Recovery Tank Full Battery Negative - (Conventional) • Solution Tank Empty • Very Low Batt Voltage • Load Current Fault CSC001 -2 T16 Service Information 9008149 (1-11)

  • Page 135: Electrical Schematic

    Are the electrical circuits operating as shown on the electrical schematic? Terms: LCD = Liquid Crystal Display J7-5 = T16 Controller Connector #7, Pin #5 J7-14 = T16 Controller Connector #7, Pin #14 SV2 = Solenoid Valve #2 (Main Brush) SV4 = Solenoid Valve #4 (Side Brush)

  • Page 136: Troubleshooting

    • ec-H2O Button ON • Neutral-Ready State • Fwd/Rev Propel Battery Negative - (ec-H2O) • Recovery Tank Full • Solution Tank Empty • Very Low Batt Voltage • ec-H2O System Fault ECC001 • Load Current Fault - T16 Service Information 9008149 (1-11)
  • Page 137 *NOTE: Add 1/2 tablespoon of salt for every 10 gallons of water in the solution tank to increase water conductivity. Terms: LCD = Liquid Crystal Display J7-10 = T16 Controller Connector #7, Pin #10 LED = Light Emitting Diode J7-12 = T16 Controller Connector #7, Pin #12...
  • Page 138 • FaST Button OFF • FaST Button ON Control • Neutral-Ready State • Fwd/Rev Propel Battery Negative - (FaST) • Recovery Tank Full • Solution Tank Empty • Very Low Batt Voltage • Load Current Fault FSC001 - T16 Service Information 9008149 (1-11)

  • Page 139: Electrical Schematic

    Are the electrical circuits operating as shown on the nents electrical schematic? Terms: LCD = Liquid Crystal Display J7-9 = T16 Controller Connector #7, Pin #9 J7-10 = T16 Controller Connector #7, Pin #10 -7 T16 Service Information 9008149 (1-11)

  • Page 140: Spray Nozzle

    TROUbLESHOOTING Spray Nozzle ON (Option) Note: Key Switch ON 100A D-10 Spray Nozzle Switch CB14 (15A) 73/ORA 74/YEL 13/BLK Spray Nozzle Pump 13/BLK 74/YEL Battery Positive + Battery Negative - SNC001 -8 T16 Service Information 9008149 (1-11)

  • Page 141: Electrical Schematic

    Repair or Re- • Test voltage applied to spray nozzle subsystem as place Neces- shown on the electrical schematic sary Compo- • Are the electrical circuits operating as shown on the nents electrical schematic? -9 T16 Service Information 9008149 (1-11)
  • Page 142 • 1-STEP Scrub ON • 1-STEP Scrub OFF Battery Positive + • Squeegee/Vac ON • Squeegee/Vac OFF Vacuum Fan • Recovery Tank Full Battery Negative - • Very Low Batt Voltage • Load Current Fault VFC001 -70 T16 Service Information 9008149 (1-11)

  • Page 143: Vacuum Fan(S), Scrubbing

    Terms: LCD = Liquid Crystal Display J4-1 = T16 Controller Connector #4, Pin #1 J4-2 = T16 Controller Connector #4, Pin #2 J4-3 = T16 Controller Connector #4, Pin #3 J4-4 = T16 Controller Connector #4, Pin #4...
  • Page 144 Disabled Battery Positive + • Pre-Sweep/Vacuum • Pre-Sweep/Vacuum Pre-Sweep Switch ON Switch OFF Battery Negative - Vacuum Fan • Neutral-Ready State • Fwd/Rev Propel • Very Low Battery Voltage PSV001 • Load Current Fault -72 T16 Service Information 9008149 (1-11)

  • Page 145: Vacuum Fan, Pre-Sweep

    Neces- • Are the electrical circuits operating as shown on the sary Compo- electrical schematic? nents Terms: LCD = Liquid Crystal Display J7-4 = T16 Controller Connector #7, Pin #4 -7 T16 Service Information 9008149 (1-11)
  • Page 146 TROUbLESHOOTING -7 T16 Service Information 9008149 (1-11)

  • Page 147: Service

    Main Brush Lift Actuator . . . . . . . . . . . . . . . . 5-39 T16 Service Information 9008149 (1-11)

  • Page 148: Rear Squeegee Lift Actuator

    4 . Remove squeegee adjustment rod-end from the pivot bracket . 2 . Remove vacuum fan housing mounting bolts . Set bracket and hardware aside . 5 . Remove actuator mounting bolts and allow actuator to move downward to resting position . T16 Service Information 9008149 (1-11)
  • Page 149 3 . Turn the actuator tube counter clockwise manually to extend until it stops and then clockwise just enough to align a horizontal mounting position (less than 1/2 turn) . THIS IS THE INSTALLATION ADJUSTMENT . T16 Service Information 9008149 (1-11)
  • Page 150 . 6 . Insert actuator rod-end clevis and cotter pins . 9 . Reconnect vacuum fan motor to wire harness and reinstall the vacuum fan housing mounting bracket . Leave hardware loose . T16 Service Information 9008149 (1-11)
  • Page 151 20 lbs (90 N) of upward force to ensure a tight seal against the recovery tank and then secure mounting bolts . 11 . Turn key On to raise the lift mechanism . Reinstall the rear squeegee and reconnect suction hose . T16 Service Information 9008149 (1-11)
  • Page 152 1 . Key Off . Lift and support the side brush using a floor jack . 5 . Remove actuator tube-end cotter and clevis pins . 2 . Insert a spacer (socket) in the side brush hinge mechanism to prevent the side brush from extending while servicing . T16 Service Information 9008149 (1-11)
  • Page 153 3 . Key On, 1-STEP scrub On, side brush switch On . Allow the actuator tube to extend approximately 3-6 inches (7-15 cm) and then turn the key Off . THIS IS THE INSTALLATION ADJUSTMENT . T16 Service Information 9008149 (1-11)

  • Page 154: Removal

    . NOTE: THIS ACTUATOR DOES NOT REqUIRE AN INSTAL- LATION ADJUSTMENT. Turn the actuator tube manually to align the mounting holes and insert clevis and cotter pins. T16 Service Information 9008149 (1-11)

  • Page 155: Main Scrub Head

    6 . Remove scrub head lift mechanism cotter and clevis pins . 4 . Remove actuator tube-end cotter and clevis pins NOTE: There is spring tension on the lift mechanism. Use a pry bar to remove this clevis pin. T16 Service Information 9008149 (1-11)
  • Page 156 ES, FaST, or ec-H2O. 8 . Disconnect scrub brush motors from wire harness . 9 . Remove scrub head by pulling to side . INSTALLING MAIN SCRUB HEAD 1 . Installation is the reverse of removal . -10 T16 Service Information 9008149 (1-11)

  • Page 157: Main Scrub Brush Motor (Cylindrical)

    3 . Enter Manual Mode and lower scrub head completely . ward pressure on the belt . See Manual Mode in the Troubleshooting section of this manual . Turn key Off after head lowers . -11 T16 Service Information 9008149 (1-11)

  • Page 158: Removal

    1 . Installation of the main brush motor is the reverse of removal . REPLACING CARBON BRUSHES 1 . Release the motor band clamp and set clamp aside . 5 . Installation is the reverse of removal . -12 T16 Service Information 9008149 (1-11)

  • Page 159: Side Brush Motor (Non Pre-Sweep)

    6 . Remove (4) motor mounting nuts . 7 . Key On . SIDE BRUSH wILL RETRACT! 1-STEP Scrub On, Side Brush On and turn key Off when side brush is completely extended/down . -1 T16 Service Information 9008149 (1-11)

  • Page 160: Carbon Brushes

    8 . Disconnect side brush motor from wire harness and 2 . Remove carbon brushes . remove motor . INSTALLING SIDE BRUSH MOTOR 1 . Installation is the reverse of removal . REPLACING CARBON BRUSHES 1 . Remove carbon brush caps . -1 T16 Service Information 9008149 (1-11)

  • Page 161: Instrument Panel

    3 . Remove the access panel directly below the steering wheel in the operator’s compartment . 6 . Remove the instrument panel assembly . INSTALLING INSTRUMENT PANEL 1 . Installation is the reverse of removal . -1 T16 Service Information 9008149 (1-11)

  • Page 162: Logic Board

    9 . Remove circuit board plastic cover . 10 . Attach a static strap to prevent circuit board damage . 5 . Disconnect seat switch from wire harness . 6 . Remove seat . -1 T16 Service Information 9008149 (1-11)
  • Page 163 Also, make sure the power supply terminals are secured on the new board before installation. The torque specification 52 in-lbs (6 Nm). 12 . Carefully pull the logic board off the (5) plastic standoffs and remove the logic board . -17 T16 Service Information 9008149 (1-11)

  • Page 164: Steering Cable Adjustment

    1 . The flex shaft cable should be assembled as shown below with 7mm (0 .280 in) of exposed shaft above the bearing assembly . 2 . Align the steering sprockets and torque all set screws to 9 Nm (77 in-lbs) . -18 T16 Service Information 9008149 (1-11)

  • Page 165: Steering Wheel Timing

    1 . Remove the lower access panel to expose the steering coupling . 5 . Retighten the coupling hardware . 2 . Make sure the drive wheel is straight in alignment with the main frame . 3 . Loosen the coupling hardware . -19 T16 Service Information 9008149 (1-11)

  • Page 166: Wheel Drive Assembly

    4 . Chock rear tires and lift front of machine REPLACING THE DRIVE TIRE using a jack and support with jack stands . Slide drive assembly out from below machine . 1 . Remove (4) flat head screws . -20 T16 Service Information 9008149 (1-11)
  • Page 167 . Torque M6 hardware to 15Nm (11 ft-lbs) and M8 hardware to 22 Nm (16 ft-lbs) . 3 . Remove (6) socket head screws . 4 . Remove aluminum hub and plastic cover . -21 T16 Service Information 9008149 (1-11)

  • Page 168: Vacuum Fan Assembly (Scrubbing)

    5 . Remove vacuum fan from housing . 3 . Remove vacuum fan housing and disconnect vacuum fan motor from wire harness . 6 . Inspect mounting boot for damage . Replace if damaged . -22 T16 Service Information 9008149 (1-11)
  • Page 169 2 . Reinstall the vacuum fan housing . Use a pry bar to ap- ply approximately 20 lbs (90 N) of upward force to ensure a tight seal against the recovery tank and then secure mounting bolts . -2 T16 Service Information 9008149 (1-11)

  • Page 170: Solution Tank Level Sensor

    . The voltmeter should display 10-12 volts . A B C A B C A B C A B C WIRE TERMINALS POS. 113C/BLK-WHT 49C/WHT 53/ORA Vdc Output SLT004 WIRE TERMINALS POS. 113C/BLK-WHT 49C/WHT 53/ORA Vdc Output SLT005 -2 T16 Service Information 9008149 (1-11)
  • Page 171 1 to 5 bars on the LCD. For example, when filling an empty solution tank, the numbers will increase gradually from 0(0) to 5(5) in a 0(0), 0(1), 1(1), 1(2), 2(2), 2(3)... sequence. I1:Sol Tank 2(2) XXXX Filt(Raw) SLT006 -2 T16 Service Information 9008149 (1-11)

  • Page 172: Recovery Tank Level Sensor

    1 . Test the resistance of the recovery tank level sensor using an ohmmeter as shown below . The tank level switch should test as “O .L . ” or open . Ω RLT002 RLT001 -2 T16 Service Information 9008149 (1-11)
  • Page 173 4 . The optional recovery tank 1/2 full ES sensor condition is also viewable in Input Display Mode . See Input Display Mode in the TROUBLESHOOTING section of this manual . I3:ES Float Open/Closed RLT004 -27 T16 Service Information 9008149 (1-11)

  • Page 174: Parking Brake, Electromagnetic

    4 . Slide the brake assembly off the splined shaft BET005 BET001 2 . Key Off . Remove brake assembly mounting screws and set aside . Leave brake assembly on the splined shaft . BET002 -28 T16 Service Information 9008149 (1-11)
  • Page 175 8 . Remove connection box cover screws and set cover vernier caliper . Replace the rotor if it is less than aside . 4 .4mm (0 .17in) thickness . BET009 New = 6.3mm (0.25in) Minimum = 4.4mm (0.17in) BET006 -29 T16 Service Information 9008149 (1-11)
  • Page 176 10 . Test the resistance of the brake coil using an ohmmeter as shown below . The resistance should be approximately 50-60 Ohms . BET007 Ω Brake Coil Resistance: 50-60 Ohms BET011 12 . Clean and inspect the brake assembly as required . -0 T16 Service Information 9008149 (1-11)
  • Page 177 1 . Key Off . Remove terminal box cover screws and set cover aside . BET009 Ω 2 . Disconnect U, V, and W cables from W1, A-, and A+ Ω terminals (respectively) . PMT003 PMT002 -1 T16 Service Information 9008149 (1-11)
  • Page 178 . Motor Casing Ω Encoder/Bearing Assembly Motor Temperature Sender PMT005 Casing Ω TEMPERATURE RESISTANCE (Ω) (°C) (°F) MIN . TYP . Motor Casing 1000 PMT004 1007 1036 1064 -2 T16 Service Information 9008149 (1-11)

  • Page 179: Propel Motor Cables

    + . Replace shorted cable(s) . 6 Volt 6 Volt 6 Volt 6 Volt 6 Volt 6 Volt 2 . Disconnect U, V, and W cables from W1, A-, and A+ terminals (respectively) . Ω PMT002 PMT007 - T16 Service Information 9008149 (1-11)
  • Page 180 . Each cable should test as “O .L . ” or open to chassis . Replace shorted cable(s) . Ω 10 lbs (5 kg) 10 lbs (5 kg) 10 lbs (5 kg) CHASSIS PMT009 PMT011 - T16 Service Information 9008149 (1-11)

  • Page 181: Throttle/Brake Sensor

    2 . The throttle and brake hall effect sensor is a component of the pedal subassembly . TBS002 TBS001 PIN/CAVITY NOTES COLOR POWER (BATTERY +) YELLOW FORWARD OUTPUT (0-5Vdc) BRAKE (0-5Vdc) BLUE GROUND (BATTERY -) BLACK GATE A GATE B - T16 Service Information 9008149 (1-11)
  • Page 182 SHOOTING section . The change in voltage in step 5 match the LCD displayed voltage in Propel Diagnostic should correspond to a brake pedal “On” or “Off” LCD Mode . message . P2:Throttle P3:Brake Pedal XXXX.X V On/Off TBS004 TBS005 - T16 Service Information 9008149 (1-11)

  • Page 183: Pre-Sweep Lift Actuator

    Off when the extend limit switch opens . Replace the actuator if it fails to extend . 6 Volt 6 Volt 6 Volt 6 Volt 6 Volt 6 Volt 10 Amp Fuse PSLA002 -7 T16 Service Information 9008149 (1-11)

  • Page 184: Side Brush Lift Actuator

    Off when the extend limit switch opens . Replace the actuator if it fails to extend . 6 Volt 6 Volt 6 Volt 6 Volt 6 Volt 6 Volt 10 Amp Fuse PSLA002 -8 T16 Service Information 9008149 (1-11)

  • Page 185: Main Brush Lift Actuator

    2 . The actuator should retract completely . Replace the actuator if it fails to retract . 6 Volt 6 Volt 6 Volt 6 Volt 6 Volt 6 Volt 10 Amp Fuse MSLA002 -9 T16 Service Information 9008149 (1-11)

  • Page 186: Rear Squeegee Lift Actuator

    2 . The actuator should retract completely . Replace the actuator if it fails to retract . 6 Volt 6 Volt 6 Volt 6 Volt 6 Volt 6 Volt 10 Amp Fuse RSLA002 -0 T16 Service Information 9008149 (1-11)

  • Page 187: Vacuum Fan(S) (Scrubbing)

    2 . Key Off . Inspect carbon brushes . Replace carbon brushes if they are shorter than 10mm (0 .375 in) . Manual Mode On M4:Vac 1 XX.X Carbon Brush Wear Limit: Manual Mode On M5:Vac 2 XX.X 10mm (0.39 in) VFM002 -1 T16 Service Information 9008149 (1-11)

  • Page 188: Vacuum Fan (Pre-Sweep)

    . The fan should turn On . Replace the vacuum fan if it fails to turn On . 6 Volt 6 Volt 6 Volt 6 Volt 6 Volt 6 Volt 25 Amp Fuse VFM002 -2 T16 Service Information 9008149 (1-11)

  • Page 189: Main Scrub Brush Motor(S)

    2 . Inspect carbon brushes . Replace carbon brushes if they are shorter than; Disk = 11mm (0 .43 in), Cylindri- cal = 10mm (0 .39 in) . Carbon Brush Wear Limit: Disk = 11mm (0.43 in) Cyl = 10mm (0.39 in) MBM002 - T16 Service Information 9008149 (1-11)

  • Page 190: Main Sweep Broom Motor

    . MSBM003 MSBM001 PIN ASSIGNMENT BLACK 2 . Inspect carbon brushes . Replace carbon brushes if they are shorter than 10mm (0 .39 in) . Carbon Brush Wear Limit: 10mm (0.39 in) MSBM002 - T16 Service Information 9008149 (1-11)

  • Page 191: Side Brush Motor (Non Pre-Sweep)

    SBM001 PIN ASSIGNMENT BLACK 2 . Key Off . Inspect carbon brushes . Replace carbon brushes if they are shorter than 10mm (0 .375 in) . Carbon Brush Wear Limit: 10mm (0.39 in) SBM002 - T16 Service Information 9008149 (1-11)
  • Page 192 PSSBM001 PIN ASSIGNMENT BLACK 2 . Key Off . Inspect carbon brushes . Replace carbon brushes if they are shorter than 5mm (0 .1875 in) . Carbon Brush Wear Limit: 5mm (0.1875 in) PSSBM002 - T16 Service Information 9008149 (1-11)

  • Page 193: Ec-H2O Pump

    4 . Enter Manual Mode and enable the ec-H2O system . See Manual Mode in the Troubleshooting section of NOTE: Low is the default setting for disk scrub heads. Me- this manual . dium is the default setting for cylindrical scrub heads. -7 T16 Service Information 9008149 (1-11)

  • Page 194: Ec-H2O Pressure Switch

    . There should be 0-1 ohms resistance . Replace the switch if the N .C . contacts are open . Ω 3/8” I.D. Tube 25 30 35 ECP005 ECP003 -8 T16 Service Information 9008149 (1-11)

  • Page 195: Fast Pump

    2 . Fill the solution tank . 3 . Connect a temporary outlet hose to the pump . The hose must be long enough to reach a 5 gallon bucket . POFT001 POFT002 POFT003 -9 T16 Service Information 9008149 (1-11)

  • Page 196: Extended Scrub) Pump

    2 . Fill the recovery tank . POFT001 3 . Connect a temporary outlet hose to the pump . The hose must be long enough to reach a 5 gallon bucket . POFT003 POFT002 -0 T16 Service Information 9008149 (1-11)
  • Page 197 We Need Your Help... As part of Tennant’s Zero Defects Program, we want to know about errors you have found or suggestions you may have regarding our machine manuals. If you find an error or have a suggestion, please complete this postage-paid form and mail it to us.
  • Page 199 We Need Your Help... As part of Tennant’s Zero Defects Program, we want to know about errors you have found or suggestions you may have regarding our machine manuals. If you find an error or have a suggestion, please complete this postage-paid form and mail it to us.

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