Tennant T12 Operator's Manual
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Tennant T12 Operator's Manual

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See also: Operator's Manual
T12
(Battery)
Rider Scrubber
English EN
Operator Manual
R
The Safe Scrubbing Alternative
R
TennantTrue
Parts
R
R
IRIS
a Tennant Technology
Insta−Fitt Adapter
9009918
For the latest parts manuals and other
Rev. 05 (6-2016)
language Operator manuals, visit:
*9009918*
www.tennantco.com/manuals

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Summary of Contents for Tennant T12

  • Page 1 (Battery) Rider Scrubber English EN Operator Manual The Safe Scrubbing Alternative TennantTrue Parts IRIS a Tennant Technology Insta−Fitt Adapter 9009918 For the latest parts manuals and other Rev. 05 (6-2016) language Operator manuals, visit: *9009918* www.tennantco.com/manuals...
  • Page 2 Always remember to recycle. INTENDED USE The T12 is an industrial/commercial rider machine designed to wet scrub both rough and smooth hard surfaces (concrete, tile, stone, synthetic, etc). Typical applications include schools, hospitals / health care facilities, office buildings, and retail centers. Do not use this machine on soil, grass, artificial turf, or carpeted surfaces. This machine is intended for indoor use only.

  • Page 3: Table Of Contents

    ... . . LUBRICATION ......CONTROLS AND INSTRUMENTS (T12) STEERING CHAIN (T12XP ONLY) . . .
  • Page 4 ......ec−H2O SYSTEM (OPTION) ... MACHINE DIMENSIONS ....T12 9009918 (1−2016)
  • Page 5 SAFETY PRECAUTIONS T12 9009918 (3−2013)

  • Page 6: Important Safety Instructions − Save These Instructions

    − With brake disabled. − If it is not in proper operating condition. − With pads or accessories not supplied or approved by Tennant. The use of other pads may impair safety. T12 9009918 (6−2016)
  • Page 7 − All repairs must be performed by a that exceed 20% grade. trained service mechanic. − Do not modify the machine from its original design. − Use Tennant supplied or approved replacement parts. − Wear personal protective equipment as needed and where recommended in this manual.
  • Page 8 Located inside battery compartment. FOR SAFETY LABEL − Read manual before operating machine. FOR SAFETY LABEL − Authorized Service Mechanic Only. Located on electrical panel. Located on circuit board cover and electrical panel. 356290 T12 9009918 (8−2014)

  • Page 9: Operation

    F Side squeegee M Battery compartment G Vacuum wand (Option) N Solution tank cap H Solution tank drain hose O Solution tank Recovery tank drain hose P Scrub head Q Backup alarm / flashing light (Option) T12 9009918 (6−2016)

  • Page 10: Controls And Instruments (T12)

    OPERATION CONTROLS AND INSTRUMENTS (T12) A Steering wheel F Operating lights / hazard lights B Touch panel switch (Option) C Propel pedal G Side brush switch (Option) D Brake pedal H Key switch E Spray nozzle switch (Option) Direction switch J Emergency shut−off button...

  • Page 11: Touch Panel (T12)

    OPERATION TOUCH PANEL (T12) A Contrast control button K Solution decrease button (−) B Battery discharge indicator L Solution flow indicator lights C Warning / fault indicator light M Solution increase button (+) D LCD display N ec−H2O button E Hour meter...

  • Page 12: Controls And Instruments

    A Steering wheel B Touch panel C Propel pedal D Brake pedal E Emergency shut−off button F Directional switch G Key switch H Spray nozzle switch (option) Side brush switch (option) J Operating lights / hazard lights switch (option) T12 9009918 (3−2013)

  • Page 13: Touch Panel (T12Xp)

    J Brush pressure indicator lights K 1−Step button L ec−H2O button M Vacuum fan / squeegee button N Solution increase button (+) O Solution decrease button (−) P Solution on / off buttons Q Solution flow indicator lights T12 9009918 (3−2013)

  • Page 14: Symbol Definitions

    Decrease Main brush pressure Side brush (option) Solution On / Off Battery charge Emergency shut−off Horn Contrast control Hour meter Jack point Solution tank Solution flow (maximum / minimum) Forward / Reverse Brush pressure (maximum / minimum) T12 9009918 (3−2013)

  • Page 15: Installing Batteries

    Machines with deluxe seat option only: Pull and RED TO POSITIVE (+) & BLACK TO hold the Operator seat release handle forward to NEGATIVE (−). unlock the seat before lifting the seat open. T12 9009918 (7−2013)

  • Page 16: Operation Of Controls

    LCD (liquid crystal display) will not reset until after the batteries have been fully charged. See FAULT INDICATOR(S). HOUR METER The Hour meter records the hours the machine was operated. Use this information to determine machine service intervals. T12XP T12 9009918 (3−2013)

  • Page 17: Emergency Shut−Off Button

    Turn the key switch to the Off position, then turn hazard light switch. the key fully clockwise and release it to the On position. Only use this button in the event of an emergency. It is not intended for routine machine shutdown. T12XP T12 9009918 (3−2013)

  • Page 18: Operator Seat

    SEAT BELTS (Deluxe Seat Option Only) FOR SAFETY: Before starting machine, adjust seat and fasten seat belt. Machines with deluxe seat option only: Pull and hold the Operator seat release handle forward to unlock the seat before lifting the seat open. T12 9009918 (3−2013)

  • Page 19: Contrast Control Button

    The Configuration mode button is for accessing the configuration and diagnostic modes. Only NOTE: Machines equipped with the optional properly trained service personnel and TENNANT flashing light / backup alarm only: The optional representatives should access these modes. backup light and alarm will function only when the machine is moving in reverse.

  • Page 20: Vacuum Fan / Squeegee Button

    The vacuum fan / squeegee button can be turned on or turned off with the 1−STEP button either on or off. T12 With Cylindrical Brushes T12XP SOLUTION ON / OFF BUTTON Shut off the solution flow: Press the Solution on / T12 With Disk Brushes off button to shut off the solution flow.

  • Page 21: Brush And Pad Information

    “tufts,” on the back to hold the Super AB brush (Cylindrical and Disk)* − Nylon pad in place. This driver works with all Tennant fiber with an abrasive grit to remove stains and pads except the black high productivity pad.

  • Page 22: While Operating The Machine

    (32_ F). - Check the horn, headlights, taillights, safety lights, and backup alarm (if equipped). - Check the brakes and steering for proper operation. - Check the tires for damage. - Check maintenance records to determine maintenance requirements. T12 9009918 (8−2014)

  • Page 23: Starting The Machine

    Drain, rinse, and refill the solution tank with clear cool water before operating the ec−H2O system. Conventional cleaning detergents may cause an ec−H2O system failure. 3. Reinstall the cap onto the solution tank. T12 9009918 (7−2013)

  • Page 24: Conventional Scrubbing Mode

    Machine damage due to improper detergent usage will void the manufacturer warranty. NOTE: Pour a recommended foam control solution into the recovery tank if excessive foam appears. For specific detergent recommendations, contact a Tennant representative. 3. Close the solution tank cover. T12 9009918 (3−2013)

  • Page 25: Setting Brush Pressure

    (middle or right lights). The machine will default to the last setting used when T12 Only: With the 1−STEP button activated, the machine is powered on or off. The solution press either the Brush pressure increase button flow indicator lights display the current solution (+) or Brush pressure decrease button (−) to set...

  • Page 26: Scrubbing

    4. If necessary, adjust the brush pressure and brake pedal to stop the machine. solution flow. 8. Press the 1−STEP button to stop scrubbing. The light near the button will go off and scrubbing functions will stop after a short delay. T12 9009918 (3−2013)

  • Page 27: Double Scrubbing

    Scrub the heavily soiled area. Let the cleaning solution soak on the floor for 5−15 minutes. T12XP FOR SAFETY: When using machine, go slowly on inclines and slippery surfaces. T12 9009918 (3−2013)

  • Page 28: Water Pickup Mode (No Scrubbing)

    Do not pick up. Press the Vacuum fan/squeegee button. The light above the button will come on, the squeegee will lower, and the vacuum fan will start operating. Pick up the water or non−flammable liquid spill. T12XP T12 9009918 (3−2013)

  • Page 29: Draining And Cleaning The Recovery Tank

    3. Hold the drain hose near a floor drain, twist the drain nozzle open, and place the hose near the floor drain. NOTE: Be sure the drain hose nozzle is pointed in a safe direction before opening the nozzle. T12 9009918 (3−2013)
  • Page 30 Allow filter to completely dry before reinstalling it into the machine. NOTE: The scrub head must be lowered approximately 25 mm (1 in) to remove debris trough. NOTE: The debris trough can be removed from the right side of the machine only. T12 9009918 (3−2013)

  • Page 31: Draining And Cleaning The Solution Tank

    NOTE: DO NOT use steam to clean the tanks. a safe direction before opening the nozzle. Excessive heat can damage the tanks and components. 6. To prevent leaks, clean the plug portion of the nozzle and the interior of the drain hose cuff. T12 9009918 (3−2013)

  • Page 32: Turn Off The Machine

    TURN OFF THE MACHINE 1. Remove foot from the Propel pedal. 2. Press the 1−Step button to stop scrubbing. 3. Press the Brake pedal to stop the machine. 4. Turn the Key switch to the Off position. T12 9009918 (5−2015)

  • Page 33: Fault Indicator(S)

    F3: Vac # Flt # Vacuum fan motor(s) not Shut off and restart machine. operating If fault code still appears, stop using machine and contact Tennant service representative. F4: Batt Very Low Low battery charge Recharge battery F5: Propel Error Propel controller error Turn off and restart machine.

  • Page 34: Warning Codes

    Right / rear brush not operating If warning code still appears, stop using W10: Open L/F Brush Left / front brush not operating machine and contact a Tennant service W11: Open SD Brush Side brush not operating representative. W12: Solution Off...

  • Page 35: Options

    NOTE: Be sure the Spray nozzle switch is turned off before continuing scrubbing. The spray nozzle pump could be damaged if the switch is left on T12XP while scrubbing. T12 9009918 (3−2013)

  • Page 36: Vacuum Wand (Option)

    The squeegee will completely lower. 2. Remove the vacuum wand / squeegee vacuum hose from the rear squeegee. T12XP 7. Vacuum the floor. 3. Insert the vacuum wand cap into the vacuum port in the vacuum wand. T12 9009918 (3−2013)

  • Page 37: Rear Squeegee Guard (Option)

    12. Insert the vacuum hose into the vacuum hose recess in the recovery tank. 13. Snap the vacuum wand lanyard onto the solution tank to secure the vacuum wand / squeegee vacuum hose to the machine. T12 9009918 (3−2013)

  • Page 38: Side Brush (Option)

    NOTE: The 1−Step button controls the side brush assembly when the Side brush switch is in the On (top) position. 4. Press the Propel pedal to begin scrubbing. 5. Press the bottom of the Side brush switch to stop and raise the side brush. T12 9009918 (6−2016)

  • Page 39: Machine Troubleshooting

    Solution tank filter clogged Clean filter Poor scrubbing performance Debris caught on scrub brushes Remove debris from brushes Improper detergent / brushes pads Contact Tennant representative for used recommendations Worn scrub brushes pads Replace scrub brushes / pads Excessive brush pressure...
  • Page 40 Mineral deposit build−up in module Flush module (See ec−H2O Warning and fault indicator MODULE FLUSH PROCEDURE) light blinking red ec−H2O Model: Clogged module Contact Tennant service Warning and fault indicator representative light solid red Defective solution pump Replace solution pump T12 9009918 (3−2013)
  • Page 41 OPERATION T12 9009918 (7−2013)

  • Page 42: Maintenance

    Clean tank and check − cover seal Vacuum fan inlet filter Clean − Cylindrical brushes only: Clean − Debris tray Side brush (Option) Check for damage, wear, − debris Side brush squeegee Check for damage and − (Option) wear T12 9009910 (3−2013)
  • Page 43 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 44: Yellow Touch Points

    STEERING CHAIN (T12XP ONLY) The steering chain is located on the steering column directly under the control panel. Check for damage or wear and lubricate the steering chain after every 200 hours. T12 9009910 (6−2016)

  • Page 45: Batteries

    Proceed to the BATTERY WATERING SYSTEM (OPTION). 08247 FOR SAFETY: When servicing machine, keep all metal objects off batteries. Avoid contact with battery acid. T12 9009918 (6−2016)

  • Page 46: Charging The Batteries (Off−Board Charger)

    MAINTENANCE CHARGING THE BATTERIES 6. The Tennant charger will start automatically. (OFF−BOARD CHARGER) When the batteries are fully charged, the Tennant charger will automatically turn off. IMPORTANT: Before charging, make sure that the charger setting is properly set for the 7.

  • Page 47: Battery Watering System (Option)

    2. Fully charge batteries prior to using the the water supply. battery watering system. Do not add water to 8. Close the operator seat. batteries before charging, the electrolyte level will expand and may overflow when charging. See CHARGING THE BATTERIES (OFF−BOARD CHARGER). T12 9009918 (8−2014)

  • Page 48: Circuit Breakers

    Spray nozzle pump (Option) CB12 15 A Lights (Option) CB13 2.5 A Headlight / Tail lights (Option) CB14 2.5 A Overhead guard warning light (Option) CB15 2.5 A Warning lights (Option) CB16 Not used CB17 2.5A Reverse alarm light (Option) T12 9009910 (3−2013)

  • Page 49: Electric Motors

    Refer to the table below for carbon brush inspection intervals. Carbon Brush Inspection Hours Main Brush Motors 1000* Side Brush Motor (Option) 1000* Vacuum Motor *Inspect carbon brushes every 100 hours after the initial 1000 hour change. T12 9009918 (7−2013)

  • Page 50: Scrub Brushes

    REPLACING DISK BRUSHES OR PAD DRIVERS 1. Raise the scrub head. 2. Turn off the machine. FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, and remove key. T12 9009910 (6−2016)

  • Page 51: Replacing Disk Scrub Pads

    9. Close and secure the squeegee support door pad driver. and close the main brush access door. 5. Reinstall the pad driver onto the machine. 10. Repeat procedure for the other brush. T12 9009918 (3−2013)

  • Page 52: Cylindrical Brushes

    7. Close and secure the squeegee support door and close the main brush access door. 8. Repeat for the brush on the other side of the scrub head. T12 9009910 (7−2013)

  • Page 53: Side Brush (Option)

    5. Place the new side brush underneath the side brush assembly and lift the side brush up onto the side brush hub until the brush locks onto the hub. 6. Reinstall the side brush squeegee assembly onto the side brush assembly. T12 9009918 (6−2016)

  • Page 54: Squeegee Blades

    1. Lower the scrub head. FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, and remove key. 2. Disconnect the vacuum hose from the rear squeegee assembly. 4. Pull the rear squeegee assembly from the machine. T12 9009910 (3−2013)
  • Page 55 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. T12 9009918 (3−2013)
  • Page 56 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. T12 9009910 (3−2013)

  • Page 57: 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. deflection if adjustments were made. 8. Readjust the squeegee blade deflection if necessary. T12 9009918 (3−2013)

  • Page 58: Adjusting The Rear Squeegee Blade Deflection

    12 mm (0.50 in) for scrubbing smooth floors and 15 mm (0.62 in) for rough floors. 5. Retighten the lock knob. 6. Drive the machine forward again to recheck the squeegee blade deflection. 7. Readjust the squeegee blade deflection if necessary. T12 9009910 (3−2013)

  • Page 59: Replacing Or Rotating The Side Squeegee Blades

    4. Remove the retaining band from the side squeegee assembly. 9. Close and secure the squeegee support door and close the main brush access door. 10. Repeat for the side squeegee on the other side of the scrub head. T12 9009918 (3−2013)

  • Page 60: Replacing Or Rotating The Side Brush Squeegee Blades (Option)

    NOTE: The squeegee blade(s) have two sets of slots for adjusting the squeegee blade deflection. Install / reinstall squeegees so the deflection is approximately 12 mm (0.50 in) for smooth floors and 15 mm (0.62 in) for rough floors. T12 9009910 (3−2013)
  • Page 61 4. Install the rotated / new squeegee blades, spacer, and retaining band onto the side brush assembly. 5. Fasten the side brush retaining band latch. 6. Reinstall the side brush squeegee assembly onto the side brush assembly. T12 9009918 (3−2013)

  • Page 62: Skirts And Seals

    The machine has three solid rubber tires: one in front, and two in the rear of the machine. Check tires for damage and wear after every 500 hours of operation. T12 9009910 (3−2013)

  • Page 63: Pushing, Towing, And Transporting The Machine

    FOR SAFETY: When loading/unloading center the machine. machine onto/off truck or trailer, drain tanks before loading machine. 2. Position the machine at the loading edge of the truck or trailer. T12 9009918 (3−2013)
  • Page 64 8. Connect the tie−down straps to the right and left stabilizer bars in front of the machine and loading surface is horizontal AND 380 mm the holes in the rear jacking brackets at the (15 in) or less from the ground. rear of the machine. T12 9009910 (3−2013)

  • Page 65: Machine Jacking

    Jack machine up at designated locations only. Support machine with jack stands. Jacking point location at the rear of machines not equipped with the optional rear squeegee protector. T12 9009918 (3−2013)

  • Page 66: Ec−H2O Module Flush Procedure

    5. Place the drain hose into a empty container. 3. Press the connector button to disconnect the outlet hose from the ec−H2O manifold. 6. Pour 2 gallons (7.6 liters) of white or rice vinegar into the solution tank. T12 9009910 (3−2013)
  • Page 67 11. Disconnect the drain hose from the ec−H2O manifold hose. 12. Reconnect the outlet hose to the the scrub head to the ec−H2O manifold. 13. Place the drain hose back into the ec−H2O compartment. 14. Close the operator seat. T12 9009918 (3−2013)

  • Page 68: Storage Information

    1. Completely drain the solution tank and recovery tank. 2. Pour 7.6 L (2 gal) of Propylene Glycol Based / Recreational Vehicle (RV) antifreeze into the solution tank. T12XP 3. Turn on the machine. T12 9009910 (6−2016)
  • Page 69 13. Turn off the machine. T12XP 14. The remaining RV antifreeze does not need to be drained from the solution or recovery tank. 7. Machines with side brush option only: Press the side brush switch to activate the side brush. T12XP T12 9009918 (3−2013)

  • Page 70: Preparing The Machine For Operation After Storage

    4. Start the machine 5. Press the 1−STEP button. T12XP NOTE: The ec−H2O systems on machines T12XP equipped with ec−H2O must be primed before the machine is ready for operation. See PRIMING THE ec−H2O SYSTEM for additional instructions. T12 9009910 (3−2013)
  • Page 71 Operate the wand for a few seconds to clean the RV antifreeze from the pump. 13. Press the 1−STEP button to turn off the system. 14. Turn off the machine. 15. The remaining water does not need to be drained from the solution tank. T12 9009918 (3−2013)

  • Page 72: Priming The Ec−H2O System

    2. Lift the operator seat open and engage the seat support. 3. Remove the drain hose from the ec−H2O compartment. 7. Place the ec−H2O system outlet hose into an empty container. 8. Start the machine. T12 9009910 (3−2013)
  • Page 73 11. Disconnect the drain hose from the ec−H2O manifold hose. 12. Reconnect the outlet hose to the scrub head to ec−H2O manifold hose. 13. Place the drain hose back into the ec−H2O compartment. 14. Close the operator seat cover. T12 9009918 (3−2013)

  • Page 74: Specifications

    3.0 dB(A) 3.0 dB(A) Sound power level L + Uncertainty K 86.5 dB(A) 87.5 dB(A) Vibration − Hand−arm 1.65 m/s 1.65 m/s Vibration − Whole body 0.32 m/s 0.32 m/s Vibration uncertainty K 0.20 m/s 0.20 m/s T12 9009918 (6−2016)

  • Page 75: General Machine Performance

    102 mm wide x 300 mm OD (4 in wide x 12 in OD) STANDARD SOLUTION FLOW RATE Item Measure Solution pump 36 Volt DC, 4.01 LPH (1.06 GPM) maximum SIDE BRUSH SOLUTION FLOW RATE (OPTION) Item Measure Solution pump 36 Volt DC 0.95 LPM (0.25 GPM) maximum T12 9009918 (8−2014)

  • Page 76: Ec−H2O System (Option)

    MACHINE DIMENSIONS Rear Squeegee 990 mm (39 in) 2095 mm (82.5 in) 1420 mm (56 in) Frame (roller to roller) 1710 mm 945 mm (37.25 in) (67.25 in) Width (with side brush) 1065 mm (42 in) 356389 T12 9009918 (3−2013)

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