Tennant T20 Operator's Manual
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Tennant T20 Operator's Manual

Tennant T20 Operator's Manual

Rider scrubber
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See also: Service Information Manual
T20
(Gas / LPG)
(S/N 1000−
)
Rider Scrubber
English EN
Operator Manual
t
R
The Safe Scrubbing Alternative
R
ES
Extended Scrub System
R
TennantTrue
Parts
R
Hygenic
Fully Cleanable Tanks
R
FloorSmart
Integrated Cleaning System
R
IRIS
a Tennant Technology
Pro−Panelt Controls
Insta−Fitt Adapter
9016211
Rev. 01 (2-2017)
For the latest Parts manuals and other
language Operator manuals, visit:
*9016211*
www.tennantco.com/manuals

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Summary of Contents for Tennant T20

  • Page 1 The Safe Scrubbing Alternative Extended Scrub System TennantTrue Parts Hygenic Fully Cleanable Tanks FloorSmart Integrated Cleaning System IRIS a Tennant Technology Pro−Panelt Controls Insta−Fitt Adapter 9016211 Rev. 01 (2-2017) For the latest Parts manuals and other language Operator manuals, visit: *9016211* www.tennantco.com/manuals...
  • Page 2 Installation Date − INTENDED USE The T20 is an industrial rider machine designed to scrub hard surfaces (concrete, asphalt, stone, synthetic, etc). Typical applications include industrial warehouses, manufacturing facilities, distribution facilities, stadiums, arenas, convention centers, parking facilities, transportation terminals, and construction sites. Do not use this machine on soil, grass, artificial turf, or carpeted surfaces.

  • Page 3: Table Of Contents

    ....Brush And Pad Information ... . . While Operating The Machine ... T20 Gas/LPG 9016211 (09−2016)
  • Page 4 ..... . Replacing The Side Brush ... Machine Dimensions ....T20 Gas/LPG 9016211 (09−2016)
  • Page 5 ......Programming The Zone Control Buttons Setting / Changing The Date And Time T20 Gas/LPG 9016211 (09−2016)

  • Page 6: Important Safety Instructions

    WARNING: Moving belt and fan. Keep − With pads or accessories not supplied away. or approved by Tennant. The use of other pads may impair safety. WARNING: Engine emits toxic gases. − In areas where flammable Serious injury or death can result.

  • Page 7: Safety Precautions

    − Do not modify the machine from its − Always be aware of surroundings original design. while operating machine. − Use Tennant supplied or approved − Do not access the video / help screens replacement parts. while the machine is moving.
  • Page 8 CAUTION LABEL − LPG engine will run for a few seconds after key is turned off. Apply parking brake before leaving machine. Located next to the ignition switch on the instrument panel. (LPG machines only) 10783 T20 Gas/LPG 9016211 (09−2016)
  • Page 9 WARNING LABEL − Burn hazard. Hot surface. Do not touch. Located on the side of the bumper, on the exhaust shield, on the hydraulic reservoir, and on the scrub head (disk head 10783 machines only). T20 Gas/LPG 9016211 (09−2016)

  • Page 10: Operation

    S. Solution tank drain hose I. Fuel tank T. Debris tray carriage J. Seat shroud U. Taillights K. FaST carton, or ES detergent tank V. Rear squeegee compartment (option), or ec−H2O System W. Engine cover Module compartment (option) T20 Gas/LPG 9016211 (09−2016)

  • Page 11: Controls And Instruments

    CONTROLS AND INSTRUMENTS A. Parking brake pedal B. Brake pedal C. Directional pedal D. Spray nozzle switch / High pressure washer switch (option) E. Operating / Hazard lights switch F. Steering column tilt knob G. Ignition switch T20 Gas/LPG 9016211 (09−2016)

  • Page 12: Standard Touch Panel

    H. Engine speed button R. Solution flow decrease button (−) I. LCD display S. Solution flow indicator lights J. Brush pressure button T. Solution flow increase button (+) K. Brush pressure indicator lights U. USB port (Service only) T20 Gas/LPG 9016211 (09−2016)

  • Page 13: Pro−Panel Controls

    G. Main brush pressure access button R. Zone control 4 button H. Rearview camera button S. Solution on / off buttons I. Solution control access button T. USB ports (Service only) J. Scrubbing main brush button T20 Gas/LPG 9016211 (09−2016)

  • Page 14: Symbol Definitions

    FaST (Option) Unleaded fuel only Scrub mode Spray nozzle (Option) Operating lights / Hazard light Hour meter Headlights Scrubbing main brush Scrubbing side brush Scrubbing vacuum fan / squeegee Contrast control Jack point Engine speed control T20 Gas/LPG 9016211 (09−2016)
  • Page 15 Hour meter Checklist item confirmed Login Logout Select Supervisor settings Rotate machine view Supervisor menu Camera settings Start−up video Control help Video help About Video button Backspace Video list button Rearview camera Home (main operating screen) T20 Gas/LPG 9016211 (09−2016)
  • Page 16 Pro−Panel Symbols Up arrow Down arrow Disable login Back arrow Add / Edit profiles Enable login Operator Calibrate touch Supervisor Checklist setup Edit profile Export all Add profile Export new Delete profile Export checklists Copy profile Enter T20 Gas/LPG 9016211 (09−2016)

  • Page 17: Operation Of Controls − Standard Panel

    LPG tank.When the LPG tank is near empty, the fault indicator will flash and a low fuel message will appear. The LPG fuel gauge on the tank displays the amount of fuel in the LPG tank. T20 Gas/LPG 9016211 (09−2016)

  • Page 18: Solution Tank Indicator

    Use the contrast control button to darken / lighten the LCD display. When two thicker bars appear above and below the engine speed icon and the thinner bars and the icon is solid the engine is in the high setting. T20 Gas/LPG 9016211 (09−2016)

  • Page 19: 1−Step Button

    Lower squeegee and turn vacuum fan on: Press the scrubbing vacuum fan / squeegee button. The indicator light will illuminate. Raise squeegee and turn vacuum fan off: Press the scrubbing vacuum fan / squeegee button. The indicator light will turn off. T20 Gas/LPG 9016211 (09−2016)

  • Page 20: Main Scrub Brush Button

    10 second delay). Turn on the solution flow: Press the solution on / off button. The solution indicators will turn back on and the solution flow will default to the last setting used. T20 Gas/LPG 9016211 (09−2016)

  • Page 21: Operation Of Controls − Pro−Panel

    For Gasoline machines: The Fuel indicator displays the amount of fuel left in the tank. The fault indicator will flash and a low fuel message will appear when the tank is near empty. T20 Gas/LPG 9016211 (09−2016)

  • Page 22: Changing The Default Button

    The recovery tank full indicator displays FULL when the recovery tank is full. All scrubbing functions will stop when the recovery tank is full. Empty the recovery tank when the indicator displays FULL. T20 Gas/LPG 9016211 (09−2016)

  • Page 23: 1−Step Button

    / squeegee button. The button will mode prior to the 1−STEP button being pressed. turn off. The selected buttons will become fully illuminated when the 1−STEP button is pressed. T20 Gas/LPG 9016211 (09−2016)

  • Page 24: Scrubbing Side Brush Button (Option)

    10 second delay). Turn on the solution flow: Press the solution on / off button. The solution indicators will turn back on and the solution flow will default to the last setting used. T20 Gas/LPG 9016211 (09−2016)

  • Page 25: Zone Control Buttons

    The rearview camera is located on the recovery tank, above where the vacuum hose is attached to the recovery tank. T20 Gas/LPG 9016211 (09−2016)

  • Page 26: Help Button

    Press the back arrow button to return to the main help screen. Press the about button to access machine operating system information. Press the home button to return to the main operating screen. Press the Pre−Operation Checklist button to access the Pre−Operation Checklist. T20 Gas/LPG 9016211 (09−2016)
  • Page 27 Press the Pre−Operation Checklist button to access the Pre−Operation Checklist. Press the back arrow button to return to the previous screen. Press the home button to navigate back to the main operating screen. T20 Gas/LPG 9016211 (09−2016)

  • Page 28: Video Help Button

    Press the home button to return to the main operating screen. Press the back arrow button to return to the previous screen. Press the video list button to access a text list of all help videos. T20 Gas/LPG 9016211 (09−2016)

  • Page 29: Completing The Pro−Check Pre−Operation Checklist

    Press the problem found (X) button if a problem is found when checklist item is checked. Press the video help button to view the video related to a particular checklist item. Press the Enter button to log into the machine. T20 Gas/LPG 9016211 (09−2016)

  • Page 30: Operation Of Controls − All Machines

    HAZARD LIGHT (OPTION) Press the bottom of the Operating / hazard light switch to turn on the hazard light, headlights, and taillights. Return the light switch to the center position to turn off the lights. T20 Gas/LPG 9016211 (09−2016)

  • Page 31: Operator Seat

    Decrease firmness: Turn the weight adjustment knob counterclockwise. The front−to−back adjustment lever adjusts the seat position. Adjust: Push to lever in towards the seat and slide the seat to the desired position. Release the lever to lock the seat into place. T20 Gas/LPG 9016211 (09−2016)

  • Page 32: Brake Pedal

    SQUEEGEE PROTECTORS (OPTION) The rear and side squeegee protectors help protect the rear squeegee from being damaged. To engage the rear squeegee protector, pull the pin, lower the protector bar, and reinsert the pin. T20 Gas/LPG 9016211 (09−2016)

  • Page 33: How The Machine Works

    When in the optional FaST (Foam scrubbing) mode, the FaST scrubbing system mixes the FaST−PAK concentrate with a small amount of water, creating a large volume of expanded wet foam. The FaST system can be used with all scrubbing applications. T20 Gas/LPG 9016211 (09−2016)

  • Page 34: Brush And Pad Information

    General purpose polypropylene bristles lift lightly short bristles, or “tufts,” on the back to hold the compacted dirt without scuffing high-gloss coated pad in place. This driver works with all Tennant floors. pads except the black high productivity pad. Super AB brush (Cylindrical and Disk)* − Nylon fiber impregnated with abrasive grit to remove stains and compacted dirt.

  • Page 35: While Operating The Machine

    0_ C (32_ F). FOR SAFETY: When using machine, do not scrub on ramp inclines that exceed 10% grade or transport (GVWR) on ramp inclines that exceed 14% grade.. T20 Gas/LPG 9016211 (09−2016)

  • Page 36: Pre−Operation Checklist

    ES filter. - Check the right solution tank cover seal for damage and wear. - Check the squeegee hose for debris or blockage. - Check the squeegees for damage, wear, and deflection adjustment. T20 Gas/LPG 9016211 (09−2016)

  • Page 37: Changing The Lpg Tank

    9. Slowly open the tank service valve and check for leaks. If a leak is found, immediately close the service valve and inform the appropriate personnel. T20 Gas/LPG 9016211 (09−2016)

  • Page 38: Starting The Machine

    FOR SAFETY: Before leaving or servicing machine, do not park near combustible materials, dust, gases, or liquids. Stop on level surface, set parking brake, turn off machine, and remove key. T20 Gas/LPG 9016211 (09−2016)

  • Page 39: Filling The Solution Tank

    Drain, rinse, and refill the solution tank with clear cool water before operating the FaST or ec−H2O system. Conventional cleaning detergents may cause a FaST or ec−H2O system failure. T20 Gas/LPG 9016211 (09−2016)

  • Page 40: Es (Extended Scrub) Mode With Auto−Fill

    Do not use flammable materials in tank(s). ATTENTION: For ES Scrubbing, only use recommended low−foaming cleaning detergents. Machine damage due to the use of improper detergent will void the manufacturer’s warranty. T20 Gas/LPG 9016211 (09−2016)

  • Page 41: Setting Scrub Modes

    LED (light−emitting diode) light directly an ec−H2O error. above the ec−H2O button indicates when the ec−H2O system needs to be flushed. See ec−H2O MODULE FLUSH PROCEDURE in the MAINTENANCE section Standard Panel T20 Gas/LPG 9016211 (09−2016)

  • Page 42: Setting Fast Mode

    Machines equipped with Pro−Panel controls: button is pushed to indicate it is active. The slash disappears from the ES button and the button is illuminated when the ES button is pushed to indicate it is active. Pro−Panel Pro−Panel T20 Gas/LPG 9016211 (09−2016)

  • Page 43: Setting Brush Pressure

    Use the brush pressure increase (+) button and setting. the brush pressure decrease (−) button to change the brush pressure. The brush pressure indicator bar displays the current brush pressure setting. T20 Gas/LPG 9016211 (09−2016)

  • Page 44: Setting Solution Flow

    SETTING SOLUTION FLOW − STANDARD PANEL With the 1−STEP button activated, press either solution increase (+) button or solution decrease (−) button to set the solution flow level. The solution flow indicator lights display the current solution flow setting. T20 Gas/LPG 9016211 (09−2016)

  • Page 45: Scrubbing − Standard Panel

    Do not pick up. FOR SAFETY: When using machine, go slow on inclines and slippery surfaces. NOTE: The squeegee automatically rises when the machine is driven backwards. This prevents damaging the squeegee. T20 Gas/LPG 9016211 (09−2016)

  • Page 46: Scrubbing − Pro−Panel

    5. Release the parking brake, then press the Directional pedal to begin scrubbing. WARNING: Flammable materials or reactive metals can cause an explosion or fire. Do not pick up. FOR SAFETY: When using machine, go slow on inclines and slippery surfaces. T20 Gas/LPG 9016211 (09−2016)

  • Page 47: Double Scrubbing

    NOTE: If needed, reduce solution flow when operating. Scrub the heavily soiled area. scrubbing the floor for a second time. NOTE: Double scrubbing is not recommended in areas where the cleaning solution will run under racks or damage products. Standard Panel T20 Gas/LPG 9016211 (09−2016)

  • Page 48: Water Pickup Mode (No Scrubbing)

    Machines equipped with Pro−Panel controls: Press the scrubbing vacuum fan / squeegee button. The button will illuminate, the squeegee will lower, and the vacuum fan will start operating. Pick up the water or non−flammable liquid spill. Pro−Panel T20 Gas/LPG 9016211 (09−2016)

  • Page 49: Emptying And Cleaning The Debris Tray − Cylindrical Scrub Heads Only

    2. Press the debris tray carriage release lever. 5. Empty the contents from the debris tray. 6. Remove the debris screen from the debris tray. 7. Rinse the debris screen and the debris tray. 3. Pull the debris tray carriage open. T20 Gas/LPG 9016211 (09−2016)
  • Page 50 13. Lift slightly on the debris tray carriage handle and push the debris tray carriage closed until it locks shut. 9. Spray water through the port located inside the vacuum coupling to rinse debris from the debris tray coupling. T20 Gas/LPG 9016211 (09−2016)

  • Page 51: Draining And Cleaning The Recovery Tank

    NOTE: DO NOT use steam to clean tanks. 2. Place the recovery tank drain hose nozzle Excessive heat can damage tanks and next to a floor drain. components. 5. Remove the vacuum screen from the recovery tank and rinse the screen. T20 Gas/LPG 9016211 (09−2016)

  • Page 52: Draining The Recovery Tank With The Drain Plug

    Allow the recovery tank to drain. 2. Machines equipped with cylindrical scrub heads only: To avoid water and debris from getting in the debris tray, open the debris carriage and remove the debris tray. T20 Gas/LPG 9016211 (09−2016)
  • Page 53 NOTE: If necessary, turn the handle clockwise for a tighter fit and counterclockwise for a looser fit. 5. Remove the recovery tank drain hose from the back of the recovery tank, then rinse the dirt and debris from the hose into the tank. T20 Gas/LPG 9016211 (09−2016)

  • Page 54: Draining And Cleaning The Solution Tank

    Reinstall the debris tray into the 1. Open the solution tank cover(s). debris tray carriage and close the carriage. 11. Close the recovery tank cover. 2. Place the solution tank drain hose nozzle next to a floor drain. T20 Gas/LPG 9016211 (09−2016)
  • Page 55 7. Reinstall the solution tank drain hose onto the toward the solution tank drain. back of the recovery tank. 8. Close the solution tank cover(s). 5. Rinse the float sensor and the screen filter. Allow the solution tank to drain. T20 Gas/LPG 9016211 (09−2016)

  • Page 56: Faults / Alerts

    / alerts. Press left arrow button to scroll back through the faults / alerts. Press the home button to return to the main operating screen. Press the back button to return to the previous screen. T20 Gas/LPG 9016211 (09−2016)
  • Page 57 Pressure Pressure 0x07B5 Fault Engine Fault Engine Inadequate voltage supply Shut off machine. Alternator Low Alternator Low to engine Contact TENNANT service Voltage Voltage representative *NOTE: Contact a Tennant Service representative for all other fault codes. T20 Gas/LPG 9016211 (09−2016)

  • Page 58: Options

    5. Twist the off/on knob to turn on the wand. 6. When finished cleaning, place the spray nozzle and wand back into their storage locations. 7. Press the bottom of the Spray nozzle switch to turn off the water supply. T20 Gas/LPG 9016211 (09−2016)

  • Page 59: Vacuum Wand (Option)

    Severe respiratory damage or return it to the storage bag. asphyxiation can result. Provide adequate ventilation. Consult with your 11. Reattach the vacuum hose to the rear regulatory authorities for exposure coupling. limits. Keep engine properly tuned. T20 Gas/LPG 9016211 (09−2016)

  • Page 60: Power Wand (Option)

    4. Attach the solution hose to the quick−disconnect fitting. Push the connector in until it stops. Pull on the hose to ensure it is connected. Standard Panel Pro−Panel NOTE: The squeegee will also lower. T20 Gas/LPG 9016211 (09−2016)
  • Page 61 15. Reconnect the vacuum hose to the rear squeegee assembly. 16. Disassemble the power wand assembly and return it to the storage bag. T20 Gas/LPG 9016211 (09−2016)

  • Page 62: High Pressure Washer (Option)

    Stream or Fan setting. 5. Start the machine. WARNING: Engine emits toxic gases. Severe respiratory damage or asphyxiation can result. Provide adequate ventilation. Consult with your regulatory authorities for exposure limits. Keep engine properly tuned. T20 Gas/LPG 9016211 (2−2017)
  • Page 63 RPM. 13. Press the bottom of the Pressure washer switch to turn off the washer. 14. Turn off the machine. 15. Disassemble the hose and wand and return them to the proper storage locations. T20 Gas/LPG 9016211 (2−2017)

  • Page 64: Machine Troubleshooting

    Turn on 1−STEP button Improper detergent or brushes Call Tennant service representative Solution tank empty Fill solution tank Debris caught on main brushes Remove debris Worn main brushes Replace brushes Brush pressure set too light Increase brush pressure T20 Gas/LPG 9016211 (09−2016)
  • Page 65 ES sensor in tank dirty Clean sensor Clogged ES pump filter Clean ES filter Water level in recovery tank too Fill recovery tank about half full Water level in solution tank too low Fill solution tank T20 Gas/LPG 9016211 (09−2016)

  • Page 66: Maintenance

    MAINTENANCE MAINTENANCE T20 Gas/LPG 9016211 (09−2016)

  • Page 67: Maintenance Chart

    Engine oil, 5W30 SAE−SG/SH only. HYDO TennantTrue premium hydraulic fluid or equivalent . . . Water and ethylene glycol anti-freeze, −34_ C (−30_ F) NOTE: More frequent maintenance intervals may be required in extremely dusty conditions. T20 Gas/LPG 9016211 (09−2016)
  • Page 68 . . . Water and ethylene glycol anti-freeze, −34_ C (−30_ F) . . . Special lubricant, Lubriplate EMB grease (Tennant part number 01433−1) NOTE: More frequent maintenance intervals may be required in extremely dusty conditions. T20 Gas/LPG 9016211 (09−2016)
  • Page 69 . . . Water and ethylene glycol anti-freeze, −34_ C (−30_ F) . . . Special lubricant, Lubriplate EMB grease (Tennant part number 01433−1) NOTE: More frequent maintenance intervals may be required in extremely dusty conditions. T20 Gas/LPG 9016211 (09−2016)

  • Page 70: Yellow Touch Points

    Fill the engine with oil until the oil is between the indicator marks on the dipstick. DO NOT fill past the top indicator mark. The engine oil capacity for Mitsubishi engines is 4.7 L (5 qt) with oil filter. T20 Gas/LPG 9016211 (09−2016)

  • Page 71: Rear Wheel Bearings

    Lubricate the three torque tube fittings after every and repack and adjust every 400 hours of 200 hours of operation. The first two fittings are operation. Use Lubriplate EMB grease (Tennant located on each side of the machine and the third part number 01433−1).

  • Page 72: Hydraulics

    Drain and refill the hydraulic fluid reservoir with new TennantTrue premium hydraulic fluid after every 2400 hours of operation. WARNING: Burn hazard. Hot surface. Do NOT touch. Replace the hydraulic strainer outlet after every 2400 hours of operation. T20 Gas/LPG 9016211 (09−2016)

  • Page 73: Hydraulic Fluid

    Consult a physician immediately if injury results If using a locally-available hydraulic fluid, be sure from escaping hydraulic fluid. Serious infection or the specifications match Tennant hydraulic fluid reaction can occur if proper medical treatment is specifications. Substitute fluids can cause not given immediately.

  • Page 74: Engine

    Flush the radiator and the cooling system after every 800 hours of operation. The cooling system must be completely filled with coolant to keep the engine from overheating. T20 Gas/LPG 9016211 (09−2016)

  • Page 75: Air Filter

    FOR SAFETY: When servicing machine, keep flames and sparks away from fuel system FOR SAFETY: When servicing machine, keep service area. Keep area well ventilated. flames and sparks away from fuel system service area. Keep area well ventilated. T20 Gas/LPG 9016211 (09−2016)

  • Page 76: Engine Belt

    Inspect the PCV system after every 100 hours of operation. FOR SAFETY: When servicing machine, avoid contact with battery acid. SPARK PLUGS − MITSUBISHI ENGINES Replace the spark plugs after every 1000 hours of operation. T20 Gas/LPG 9016211 (09−2016)

  • Page 77: Fuses And Relays

    Not Used 12 VDC, 40 A Not Used 12 VDC. 40 A Not Used 12 VDC. 40 A FaST Water Pump (located in FaST harness) 12 VDC. 40 A Spray Wand (located in Spray wand harness) T20 Gas/LPG 9016211 (09−2016)

  • Page 78: Engine Harness Fuses And Relays

    Once a circuit Otherwise one brush or pad will be more breaker is tripped, allow breaker to cool and then aggressive than the other. press the reset button to manually reset the breaker. T20 Gas/LPG 9016211 (09−2016)

  • Page 79: Replacing Disk Brushes Or Pad Driver

    8. Place the new brushes underneath the scrub head and lift each brush up onto the hub until the brush locks onto the hub. 9. Rotate the disk brush head back to the scrub position until the head locks into place. T20 Gas/LPG 9016211 (09−2016)

  • Page 80: Replacing Disk Pads

    Replace worn or damaged pad on the pad driver. Then reinstall the bumpers. center disk to secure the pad in place on the pad driver. 4. Reinsert the pad driver into the machine. T20 Gas/LPG 9016211 (09−2016)

  • Page 81: Cylindrical Brushes

    1. Raise the scrub head. FOR SAFETY: Before leaving or servicing machine, stop on level surface, set parking brake, turn off machine, and remove key. 5. Pull the brushes out from the scrub head. 2. Open the outer brush doors. T20 Gas/LPG 9016211 (09−2016)

  • Page 82: Checking Cylindrical Brush Pattern

    10. Check the brush pattern and adjust if needed after rotating them. Refer to CHECKING AND ADJUSTING THE MAIN BRUSH PATTERN. 11. Check the brush pattern and adjust if needed after rotating them. Refer to CHECKING CYLINDRICAL BRUSH PATTERN. T20 Gas/LPG 9016211 (09−2016)

  • Page 83: Adjusting The Cylindrical Brush Taper

    Always adjust the nut on each drag link an equal number of turns. NOTE: Two full turns of the drag link adjustment bolt will change the brush pattern approximately 25 mm (1 in). 2. Recheck the pattern. Readjust if necessary. T20 Gas/LPG 9016211 (09−2016)

  • Page 84: Side Brush (Option)

    3. Squeeze the spring handles and let the side brush drop to the floor. T20 Gas/LPG 9016211 (09−2016)

  • Page 85: Fast System

    6. Connect the FaST supply hose to the carton out from the compartment and discard. FaST−PAK hose connector. 7. Scrub with the FaST system for a few minutes to allow the detergent to reach maximum foaming. T20 Gas/LPG 9016211 (09−2016)

  • Page 86: Cleaning The Fast Supply Hose Connector

    The FaST system filter screen filters water from the solution tank as the water flows into the FaST system. Remove the filter screen bowl and clean the filter screen after every 50 hours of operation. Empty the solution tank before removing the filter. T20 Gas/LPG 9016211 (09−2016)

  • Page 87: Ec−H2O Module Flush Procedure

    NOTE: The module will automatically shut off ec−H2O system outlet hose. when the flush cycle is complete (approx. 7 minutes). The module must run the full 7 minute cycle in order to reset the system indicator light and alarm. T20 Gas/LPG 9016211 (09−2016)

  • Page 88: Cleaning The Ec−H2O Filter Screen

    NOTE: The outlet and intake hoses must be down between the ec−H2O assembly and the bracket so they are not pinched or damaged when the operator seat cover is closed. 12. Close the operator seat cover. T20 Gas/LPG 9016211 (09−2016)

  • Page 89: Squeegee Blades

    7. Remove the rear squeegee. 3. Remove both mounting knobs from the rear squeegee assembly. 4. Turn on the machine, raise the scrub head, and turn off the machine. 5. Remove the rear squeegee assembly from the machine. T20 Gas/LPG 9016211 (09−2016)
  • Page 90 13. Install the new front squeegee blade or rotate the existing blade to the new edge. Be sure the holes in the squeegee blade are hooked 10. Tighten the rear retaining band tension latch. onto the tabs. T20 Gas/LPG 9016211 (09−2016)

  • Page 91: Replacing Or Rotating The Side Squeegee Blades

    17. Check and adjust the rear squeegee if necessary. Refer to ADJUSTING THE REAR SQUEEGEE BLADE DEFLECTION and LEVELING THE REAR SQUEEGEE sections of this manual. 4. Remove the retaining band from the side squeegee assembly. T20 Gas/LPG 9016211 (09−2016)
  • Page 92 Discard the squeegee blade if both edges are worn. 9. Close the outer brush door. 6. Install the new or rotated squeegee blades. 7. Reattach the side squeegee retaining band to the side squeegee assembly. T20 Gas/LPG 9016211 (09−2016)

  • Page 93: Replacing Or Adjusting The Side Brush Squeegee Blade (Option)

    3. Open the retaining band tension latch. 6. Reinstall the retaining band tension latch. 7. Reinstall the squeegee bumper and reinsert the pins. T20 Gas/LPG 9016211 (09−2016)

  • Page 94: Leveling The Rear Squeegee

    5. Drive the machine forward with the squeegee down to recheck the squeegee blade deflection if adjustments were made. 6. Readjust the squeegee blade deflection if necessary. T20 Gas/LPG 9016211 (09−2016)

  • Page 95: Adjusting The Rear Squeegee Blade Deflection

    The correct amount of deflection is 12 mm (0.50 in) for scrubbing 5. Readjust the squeegee blade deflection if smooth floors and 15 mm (0.62 in) for rough necessary. floors. 12 mm (0.50 in) T20 Gas/LPG 9016211 (09−2016)

  • Page 96: Skirts And Seals

    The skirts should be between 0 to 6 mm (0 to 0.25 in) from the floor when the scrub head is down. RECOVERY TANK SEAL Check the recovery tank cover seal for damage and wear daily. T20 Gas/LPG 9016211 (09−2016)

  • Page 97: Brakes And Tires

    FRONT WHEEL Torque the front wheel nuts twice in the pattern shown to 122 to 149 Nm (90 to 110 ft lb) after the first 50 hours of operation, and after every 800 hours there after. T20 Gas/LPG 9016211 (09−2016)

  • Page 98: Pushing, Towing, And Transporting The Machine

    AND is 380 mm (15 in) or less from the ground. 4. To winch the machine onto the truck or trailer, attach the winching chains to the holes in the rear jacking brackets behind the rear tires. T20 Gas/LPG 9016211 (09−2016)
  • Page 99 FOR SAFETY: When unloading machine off truck or trailer, use winch. Do not drive the machine off the truck or trailer unless the loading surface is horizontal AND 380 mm (15 in) or less from the ground. T20 Gas/LPG 9016211 (09−2016)

  • Page 100: 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. T20 Gas/LPG 9016211 (09−2016)

  • Page 101: Freeze Protection (Machines Without Ec−H2O System)

    11. The remaining RV antifreeze does not need to be drained from the solution tank. NOTE: Storing or transporting machines equipped with the ES or the FaST system in freezing temperatures requires special procedures. Consult a TENNANT representative for more information. T20 Gas/LPG 9016211 (09−2016)
  • Page 102 12. Insert the intake and outlet hoses down between the ec−H2O assembly and the bracket. 13. Return the intake flush hose to the storage bag behind the operator seat. T20 Gas/LPG 9016211 (09−2016)

  • Page 103: Priming The Ec−H2O System

    8. Disconnect the outlet flush hose from the ec−H2O system outlet hose and return the flush hose to the storage bag. 9. Reconnect the ec−H2O system outlet hose to the hose to the scrub head. T20 Gas/LPG 9016211 (09−2016)

  • Page 104: Specifications

    Maximum ramp incline for loading − Empty tanks Maximum ramp incline for scrubbing Maximum ramp incline for transporting (GVWR) Maximum ambient temperature for machine operation 43_ C (110_ F) Minimum temperature for operating machine scrubbing functions 0_ C (32_ F) T20 Gas/LPG 9016211 (09−2016)

  • Page 105: Hydraulic System

    140 mm x 460 mm (5.5 in x 18 in) Rear (2) Solid 90 mm x 410 mm (3.5 in x 16 in) STEERING Type Power source Front wheel, hydraulic cylinder and rotary valve controlled Hydraulic accessory pump T20 Gas/LPG 9016211 (2−2017)

  • Page 106: Fast System

    1270 mm (50 in) 1300 mm (51 in) Width (with side brush) 1470 mm (58 in) 1470 mm (58 in) Wheel base Track 1280 mm (at rear wheels) (50.38 in) 1270 mm (50 in) 2410 mm (95 in) T20 Gas/LPG 9016211 (09−2016)

  • Page 107: Supervisor Controls

    If the new assigned supervisor mode login number is Press the backspace button if necessary to forgotten, please contact Tennant service. delete and reenter a number. ENTERING THE SUPERVISOR MODE − FIRST 5.

  • Page 108: Entering The Supervisor Mode

    Press the backspace button if necessary to delete and reenter a number. 3. The supervisor machine operation screen should appear in the display. Press the settings button to access the supervisor settings screen. T20 Gas/LPG 9016211 (09−2016)

  • Page 109: Supervisor Setting Screen / Screen Icons

    Press the down arrow button to navigate down through the menu items. Press the home button to navigate back to the main operating screen. Press the back button to navigate back to the previous screen. T20 Gas/LPG 9016211 (09−2016)

  • Page 110: Adding / Editing Profiles

    Press the Copy Profile button to copy an existing profile. Press the Delete Profile button to delete an existing profile. Press the home button to navigate back to the main operating screen. Press the back button to navigate back to the previous screen. T20 Gas/LPG 9016211 (09−2016)
  • Page 111 Press the flashing save button to save the new profile. The Enable Login button will change from Enable Login to Disable Login. See Press the help button to access the help DISABLING LOGIN for instructions how to screen. disable login. T20 Gas/LPG 9016211 (09−2016)

  • Page 112: Enabling The Login

    Delete Profile button to manage the current user profiles. 3. Press the yes button to enter the Default User screen. 4. Press either the Operator button or Supervisor button to select the desired default user. T20 Gas/LPG 9016211 (09−2016)

  • Page 113: Disabling The Login

    See ENTERING THE SUPERVISOR MODE 2. Press the Calibrate Touch button to recalibrate touch if the touch points become misaligned. 4. Press either the Operator button or Supervisor button to select the desired default user. T20 Gas/LPG 9016211 (09−2016)

  • Page 114: Exporting Checklists

    Press the home button to navigate back to the main operating screen. Press the back button to navigate back to the previous screen. 5. Remove the flash drive from USB port and turn off the machine. T20 Gas/LPG 9016211 (09−2016)

  • Page 115: Checklist Setup

    A check mark appears in the chosen interval. Press the home button to navigate back to the main operating screen. Press the back button to navigate back to Press the down arrow button to scroll down the previous screen. through Pre−Operation Checklist items. T20 Gas/LPG 9016211 (09−2016)

  • Page 116: Disabling / Enabling The Pre−Operation Checklist

    2. Press the Checklist Setup button to access the Pre−Operation checklist setup screen. Press the home button to navigate back to the main operating screen. Press the back button to navigate back to the previous screen. T20 Gas/LPG 9016211 (09−2016)

  • Page 117: Changing The Rear View Camera Settings

    Press the home button to navigate back to the main operating screen. Press the back button to navigate back to the previous screen. T20 Gas/LPG 9016211 (09−2016)
  • Page 118 Press the backspace button if necessary to delete and reenter a number. Press the space button to place space between letters / numbers.. Press the pound button to toggle between the number keypad and the letter keypad. T20 Gas/LPG 9016211 (09−2016)

  • Page 119: Setting / Changing The Date And Time

    See ENTERING THE SUPERVISOR MODE 2. Press the Date/Time Set button to access the date / time screen. T20 Gas/LPG 9016211 (09−2016)
  • Page 120 SUPERVISOR CONTROLS T20 Gas/LPG 9016211 (2−2017)

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