Tennant T7 Operator's Manual
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Tennant T7 Operator's Manual

Rider- scrubber
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See also: Service Information Manual , Operator's Manual
The Safe Scrubbing Alternative
Hygenic
Fully Cleanable Tanks
TennantTrue
Parts
IRIS
a Tennant Technology
North America / International
For the latest Parts manuals and other
language Operator manuals, visit:
www.tennantco.com/manuals
R
T7
(Battery)
Rider- Scrubber
Operator Manual
331040
Rev. 09 (10-2015)
*331040*

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Summary of Contents for Tennant T7

  • Page 1 Operator Manual The Safe Scrubbing Alternative  Hygenic Fully Cleanable Tanks  TennantTrue Parts  IRIS a Tennant Technology North America / International 331040 Rev. 09 (10-2015) For the latest Parts manuals and other language Operator manuals, visit: *331040* www.tennantco.com/manuals...
  • Page 2 Installation Date - INTENDED USE The T7 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

    ....Checking On- Board Battery Charger Settings ......T7 331040 (10- 2015)

  • Page 4: Safety Precautions

    3. When using machine: because of concerns related to equipment - Use only as described in this manual. interference, please contact a Tennant - Use brakes to stop machine. representative for information on how to - Go slowly on inclines and slippery disable the cellular communication surfaces.
  • Page 5 - All repairs must be performed by a 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 6 Electrical components, use cause explosion or fire. Do not grounding strap before pick up. opening panel. Located on electrical panel under the seat Located under the solution fill port and next to foot pedals T7 331040 (9- 2013)

  • Page 7: Operation

    S. Battery charging connector H. Scrub head T. Propel pedal I. Steering wheel U. Brake pedal J. Solution tank K. Tool Box or optional FaST- PAK compartment ec- H2O System Module (option) L. Solution tank fill cap T7 331040 (02- 09)

  • Page 8: Controls And Instruments

    K. ec- H2O system indicator light (option) L. Vacuum fan / squeegee button M. Brush Pressure increase button (+) N. Brush Pressure decrease button (- ) O. Solution increase button (+) P. Solution decrease button (- ) Q. Control panel cover T7 331040 (02- 09)

  • Page 9: How The Machine Works

    BRUSH INFORMATION section of this tank. Drain, rinse and refill the solution tank with manual or contact a Tennant representative. clear cool water before operating the FaST system. Conventional cleaning detergents may cause failure to the FaST system.

  • Page 10: (Ec-H2O Model)

    Polishing pad - This white pad is for polishing floors. Maintains a high gloss. Use for buffing very soft finishes and lower traffic areas, and polishing soft waxes on wood floors. T7 331040 (03- 2015)

  • Page 11: Machine Setup

    To install the brushes or pad, see REPLACING The ec-H2O system indicator light will blink DISK SCRUB BRUSHES OR PAD DRIVER or green/red when it’s time to replace cartridge. REPLACING CYLINDRICAL SCRUB BRUSHES section of this manual. T7 331040 (03- 2015)

  • Page 12: Installing The Fast- Pak (Fast Model)

    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. T7 331040 (03- 2015)

  • Page 13: Filling The Solution Tank

    Plan the scrubbing in advance. Try to arrange long runs with minimum stopping and starting. Do an entire floor or section at one time. Pre- sweep the area to prevent streaking. T7 331040 (9- 2013)

  • Page 14: Setting Scrub Modes

    H2O System Indicator Light ATTENTION: ec-H2O NanoClean Models- During first time use and after replacing the water conditioning cartridge, the ec-H2O system will automatically override the selected solution flow rate for up to 75 minutes. T7 331040 (03- 2015)

  • Page 15: Economy Setting

    FaST/ec- H2O solution system. Drain, rinse and refill solution tank with cool clean water before operating the FaST/ec- H2O system. NOTE: For ec-H2O models manufactured before ec-H2O NanoClean models, contact an Authorized Service Center if solution flow rate adjustment is required. T7 331040 (03- 2015)
  • Page 16 The light next to the One Step or fire. Do not pick up. Scrub button will turn off and the scrubbing functions will turn off after a short delay. T7 331040 (9- 2013)

  • Page 17: Double Scrubbing

    The light above the vacuum fan button will turn off, the squeegee will raise and the vacuum fan will stop operating. Then scrub the area. Let the cleaning solution set on the floor for 3- 5 minutes. T7 331040 (9- 2013)

  • Page 18: Water Pickup Mode (No Scrubbing)

    Drive the machine slowly on inclines. Use the brake pedal to control machine speed on descending inclines. Scrub with the machine up inclines rather than down inclines. FOR SAFETY: When using machine, go slowly on inclines and slippery surfaces. T7 331040 (03- 2015)

  • Page 19: Emergency Stop Button

    Solid red Contact Service Center If an alarm sounds and the ec- H2O system indicator light begins to blink red, the ec- H2O module must be flushed to resume ec- H2O operation (See ec-H2O MODULE FLUSH PROCEDURE). T7 331040 (03- 2015)

  • Page 20: Solution Tank Empty Indicator

    See BATTERIES in the MAINTENANCE section. NOTE: The blinking left battery discharge light will not reset from blinking until the batteries are fully charged. T7 331040 (9- 2013)

  • Page 21: Fault Indicator

    Brush Pressure Light overloaded (possibly from string or or Contact Tennant service both blink banding wrapped around motor) representative Fault Light and Vacuum Fan Motor is overloaded Contact Tennant service Vacuum Fan Light representative both blink T7 331040 (02- 09)

  • Page 22: Circuit Breakers

    The circuit breakers are located inside the battery hazard light. compartment next to the hour meter. The chart shows the circuit breakers and the electrical components they protect. Circuit Breaker Rating Circuit Protected Instrument Panel - power 15 A Accessories T7 331040 (9- 06)

  • Page 23: Draining And Cleaning The Tanks

    7. Replace the recovery tank drain hose cap and mount the drain hose back onto the mounting clip after the tank is drained. T7 331040 (9- 2013)
  • Page 24 11. Tilt the recovery tank back to access the solution tank cover. Wipe the bottom of the solution tank. Make sure the recovery tank is cover and the tank seal before replacing the empty before tilting. cover. T7 331040 (9- 2013)

  • Page 25: Propel System Troubleshooting

    8 times Horn repeatedly ON/OFF key switch is turned on while Unplug battery charger before starting beeps 9 times battery charger is plugged into machine machine Fault Light blinks Propel motor is overloaded Contact Tennant service representative T7 331040 (9- 2013)

  • Page 26: Machine Troubleshooting

    Worn scrub brush Replace scrub brush Broken or loose brush drive belt Replace or tighten belt (Cylindrical models) Brush pressure set too light Increase brush pressure Low battery charge Charge batteries until the charger automatically turns off T7 331040 (02- 09)
  • Page 27 Contact Service Center light solid red ec- H2O system indicator Defective light or module Contact Service Center light does not turn on No water flow Clogged module Contact Service Center Defective solution pump Replace solution pump T7 331040 (03- 2015)

  • Page 28: Maintenance

    MAINTENANCE MAINTENANCE 355033 T7 331040 (02- 09)

  • Page 29: Maintenance Chart

    500 hour check) Tires Check for damage and wear 1000 FaST water and air Replace Hours filters (option) LUBRICANT/FLUID ..Distilled water NOTE: More frequent maintenance intervals may be required in extremely dusty conditions. T7 331040 (9- 2013)

  • Page 30: Batteries

    Replace any worn or damaged wires. Do not system. remove battery caps when cleaning batteries. 08247 FOR SAFETY: When servicing machine, keep all metal objects off batteries. Avoid contact with battery acid. T7 331040 (7- 2015)

  • Page 31: Charging The Batteries With Off- Board Charger

    OFF- BOARD CHARGER NOTE: If the red “ABNORMAL CYCLE” lamp IMPORTANT: Before charging, make sure that lights when the TENNANT charger is plugged into the battery charger setting is properly set for a wall outlet, the charger cannot charge the the battery type (Refer to charger’s owners...

  • Page 32: Checking On- Board Battery Charger Settings

    To select the proper battery type, press the solution flow decrease button (- ) to advance selection. 3. Turn key switch off to save setting. Battery Discharge Indicator LEDs Blinking Green Blinking Red Sealed/AGM/main- Wet/lead acid tenance free battery battery T7 331040 (7- 2015)

  • Page 33: Charging The Batteries With The On- Board Charger

    E03 reappears check battery or ies undercharged due to a sulfated replace it. or faulty battery. Safety timer exceeded maximum Replace battery. charging time. Interrupts charging cycle. Possible internal short circuit. Contact Service Center. T7 331040 (9- 06)

  • Page 34: Electric Motors

    Proper belt tension is a 6 mm (0.25 in) deflection from a force of 2.3 to 2.5 kg (5.0 to 5.4 lb) at the belt midpoint. Check and adjust the belt tension every 100 hours of operation. T7 331040 (9- 2013)

  • Page 35: Scrub Brushes

    Do not wash the pads with a pressure washer. Hang pads, or lie pads flat to dry. NOTE: Always replace brushes and pads in sets. Otherwise one brush or pad will be more aggressive than the other. T7 331040 (10- 2015)

  • Page 36: Replacing Disk Pads

    8. Close the side squeegee and the retainer pivot, then insert the pin. 4. Reinsert the pad driver into the machine. NOTE: Be sure the pin is inserted completely through the bottom. T7 331040 (10- 2015)

  • Page 37: Cylindrical Brushes

    The idler door of that side of the scrub head is stamped with the same letter. Make sure the letter on the door matches the letter on the scrub head when replacing the doors. T7 331040 (9- 2013)

  • Page 38: Checking Cylindrical Brush Pattern

    6. Observe the brush patterns. If the brush pattern is the same width across the entire length of each brush and both brushes are the same width, no adjustment is necessary. 10653 10355 T7 331040 (9- 2013)

  • Page 39: Adjusting Cylindrical Brush Taper

    Tighten the mounting screw. 4. Remove idler plate from the scrub head by pressing the spring tab downward. 7. Check the brush patterns again and readjust as necessary until both patterns are the same. T7 331040 (9- 2013)

  • Page 40: Adjusting Cylindrical Brush Width

    4. Loosen the jam nut, then adjust the brush width adjustment screw. Tighten the jam nut and the two scrub head mounting screws when finished. 5. Check the brush patterns again and readjust as necessary until both brush patterns are the same. T7 331040 (9- 2013)

  • Page 41: Fast System Maintenance (Fast Model)

    2. Remove the injector assembly from the pinch clamps. 3. Replace the water and air filter. An 8mm hex wrench is required to install the new water filter. Air Filter (50 Mesh/Brown) Water Filter (50 Mesh/Brown) T7 331040 (9- 2013)

  • Page 42: Ec- H2O System (Ec- H2O Model)

    3 indicator lights Solution flow button 3. Disconnect the two hose connectors from cartridge by pressing the gray collars inward and pulling the connectors outward. Lift 7. Reinstall the battery compartment shroud and cartridge to remove. operator seat. T7 331040 (03- 2015)

  • Page 43: Ec-H2O Module Flush Procedure

    4. Turn the key to the on position. 5. Press and release the ec- H2O module flush switch to start the flush cycle. The module is located under the seat T7 331040 (03- 2015)

  • Page 44: Squeegee Blades

    8. Install the new front squeegee blade or rotate the existing blade to the new edge. Be sure the holes in the front squeegee blade are 4. Pull the rear squeegee assembly from the hooked onto the tabs on the front blade machine. clamp. T7 331040 (9- 2013)
  • Page 45 11. Reinstall the rear squeegee retaining band onto the squeegee assembly. Be sure each of the flanges on the retaining band are seated in the cut outs in the rear squeegee assembly. 12. Tighten the rear squeegee retaining band tension latch. T7 331040 (9- 2013)

  • Page 46: Replacing Side Squeegee Blades

    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. T7 331040 (9- 2013)

  • Page 47: Adjusting Rear Squeegee Blade Deflection

    12 mm (0.50 in) for scrubbing the squeegee blade deflection after smooth floors and 15 mm (0.62 in) for rough adjustments are made. floors. 6. Readjust the squeegee blade deflection if necessary. 12 mm (0.50 in) 03719 T7 331040 (9- 2013)

  • Page 48: Skirts And Seals

    The recovery tank seal is located on the bottom of damage and wear after every 500 hours of the recovery tank cover. Check the seal for operation. damage and wear after every 100 hours of operation. T7 331040 (9- 2013)

  • Page 49: Pushing, Towing, And Transporting The Machine

    7. Route the rear tie- down straps through the remove the screw driver to enable the parking opening at the center part of the rear axle. brake. FOR SAFETY: Do not operate machine with the brake disabled. T7 331040 (9- 2013)

  • Page 50: Machine Jacking

    3. Disconnect batteries before storing. IMPORTANT: Before operating machine, the 4. Park the machine in a cool, dry area. Do not expose the machine to rain. Store indoors. antifreeze must be flushed from the module as described below. T7 331040 (10- 2015)

  • Page 51: Flushing Antifreeze From Ec- H2O Module

    Dispose the antifreeze in an environmentally safe way according to local waste disposal regulations. Disconnect the black connector fitting at the scrub head and place the hose into a bucket. 5. The machine is now ready for scrubbing. T7 331040 (3- 2015)

  • Page 52: Specifications

    1840 mm (72.5 in) Travel Speed (maximum) 6.4 Km/h (4 mph) Maximum rated climb and descent angle with full tanks 10.5% Maximum rated climb and descent angle with empty tanks 19.25% Maximum rated climb and descent angle when scrubbing T7 331040 (9- 2013)

  • Page 53: Power Type

    1.1 L/min (0.30 gpm) Disk model 1.5 L/min (0.40 gpm) Cylindrical brush model 1.9 L/min (0.50 gpm) Optional * ec- H2O models manufactured before ec-H2O NanoClean models - If the optional solution flow rates are required, contact an Authorized Service Center. T7 331040 (03- 2015)

  • Page 54: Machine Dimensions

    800 mm (33.25 in) For 800 mm (32 in) squeegee 1000 mm (39.25 in) 1270 mm (50 in) Frame (Disk) 740 mm (29 in) Frame (Cyl) 1520 mm 810 mm (31.7 in) (60 in) 1014751 MACHINE DIMENSIONS T7 331040 (9- 06)

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