TENNANT S780 (01) PDF MANUAL

DANGER:

Indicates the need for care in order to avoid serious consequences that could lead to the death of personnel, or to situations representing a possible health and safety hazard.

If lead-acid (WET) batteries are installed in the machine, keep sparks, flames and smoking materials away from the batteries. Explosive gases can escape during normal use, particularly when recharging the batteries.

If lead-acid (WET) batteries are installed in the machine, charging the batteries produces highly explosive hydrogen gas. Keep the seat cowling tilted toward the steering wheel throughout the battery charging cycle and carry out this procedure only in well-ventilated areas, away from naked flames.

Do not operate the machine in the presence of flammable liquids or vapours, or combustible powders.

Never pick up toxic materials.

Never pick up burning or incandescent objects.

This machine must not be used on floors where there are hazardous coatings / finishes / materials.

ATTENTION:

Indicates the need for care in order to avoid serious consequences that could involve harm being done to the machine or to the workplace, or lead to economic losses.

Never use the machine on wet surfaces.

Do not use the machine:

without having read the operating and maintenance manual.

without having been trained in its use.

without having been specifically entrusted with its use.

if legally under age.

without the debris bin and/or filter in place.

if the machine is not working properly.

in places without adequate lighting.

in explosive environments.

on public roads.

where there is dirt that can be harmful to health (dust, gas, etc.).

where there is danger of falling objects, unless the machine is equipped with an overhead protective structure.

In areas that are too dark to see the controls or operate the machine in safety.

Wear safety shoes with non-slip soles.

Wear protective eyewear or visor and safety garments.

Depending on the surface being cleaned and on the environment, the protective measures necessary for atomized sprays include respiratory masks with class FFP2 or equivalent or higher protection.

When performing maintenance, the operator must always use Personal Protective Equipment: protective apron or overalls, non-slip waterproof shoes, rubber gloves, protective eyewear and ear defenders, and mask for protection of the respiratory airways.

Check that the machine is not damaged.

Check the operation of the brake.

Check that all safety devices are in place and operating correctly.

The machine must be operated by one person only.

Park the machine on a flat, level surface.

Do not allow children to play on or near the machine.

Do not use the machine to sweep/vacuum up liquids.

Do not use the machine to pick up wire, string, straps or similar materials.

Assess the type of building to be swept, e.g. hospitals, industrial premises (pharmaceuticals, chemicals, etc.) and be sure to observe the safety regulations and conditions adopted these facilities.

The machine must not be used for purposes other than those expressly intended.

The machine is intended for commercial use, for example in hotels, schools, hospitals, factories, shops, offices and business premises generally. Do not use for other purposes.

Keep all parts of body within the riding position while the machine is in motion.

The machine must be stored only indoors.

Do not allow the machine to be used as a toy.

The machine is not designed for towing or being towed.

Never rest objects of any significant weight on the machine, for whatever reason.

Never obstruct the air inlet and release vents.

Never remove, modify or by-pass safety devices.

Keep hands away from moving parts.

In the case of malfunction and/or faulty operation, turn the machine off immediately (disconnect from the batteries/mains power supply) and do not tamper with it; contact a service centre approved by the manufacturer.

Do not use the machine to clean surfaces on slopes or gradients steeper than indicated on the data plate.

When using the machine on gentle gradients, do not move transversely across the slope, but keep the machine on a line parallel to the direction of the incline, manoeuvring carefully and without making U-turns.

Never use the machine to transport people or goods or for towing.

Before leaving the machine or before maintenance:

Park the machine on a flat, level surface.

Turn off the machine and remove the ignition key.

Apply the parking brake.

When performing maintenance:

All operations must be carried out in conditions guaranteeing adequate visibility and lighting.

Isolate the machine from its power source by disconnecting the batteries.

Disconnect the battery charger from the machine.

Protect the batteries from impurities such as metal dust.

Take care when handling battery acid, and avoid contact. In the event of battery fluid leakage, do not touch the fluid and observe the following precautions: Contact with the skin can cause irritation; wash with soap and water. Inhalation of vapours can cause irritation to the airways; stay out in the open air and consult a doctor. Contact with the eyes can cause irritation; wash the eyes immediately, flooding with water for at least 15 minutes, and consult a doctor.

Never rest tools on the batteries as they could cause short circuits leading to explosions.

Always use the battery charger accompanying the machine (if supplied), or if not, a product with specifications as recommended in the technical data.

Installation of the battery should be entrusted to a TENNANT approved service technician.

Inspect the power cable of the battery charger periodically to ensure that it is not damaged; in the event of damage being discovered, the appliance cannot be used. Replacement of the cable should be entrusted to a TENNANT approved service technician. Detach both connections of the battery charger (AC side and DC side).

Empty the debris bin before loading the machine.

Do not drive the machine on a slippery ramp.

Take particular care when operating the machine on ramps.

Turn off the machine and remove the ignition key.

Lock the wheels of the machine.

Use straps to anchor the machine.

The nameplate provides the following information:

Name of manufacturer.

Model.

Serial number.

Year of manufacture.

Power supply voltage (charging/supply value).

Current intensity (maximum charge level, in line as far as possible with the value indicated by the battery manufacturer).

Gross weight.

IP degree of protection.

Machine voltage (in average operating conditions).

Machine power (in average operating conditions).

Maximum negotiable gradient.

1. Debris bin.

2. Control panel.

3. Centre brush.

4. Side brush.

5. Suction filter.

6. Filter shaker.

7. Driver seat.

8. Battery compartment.

9. Steering wheel.

10. Accelerator pedal.

11. Service and parking brake pedal.

12. Side brush operating lever.

13. “Lift flap” operating pedal, allows the centre brush to pick up bulky objects.

14. Centre brush operating lever.

15. Emergency stop button: acts as a safety device.

16. Speed potentiometer: regulates the maximum speed of the machine forward and in reverse.

17. Direction selector switch: determines movement of the machine forward or in reverse.

18. Display: showing Remaining battery charge expressed as percentage, Alarm codes and Hour meter.

19. Horn button.

20. Suction button: enables/disables the suction motor.

21. Programming button: used for navigation of the USER MENU.

22. Filter shaker button: enables manual operation of the filter shaker.

23. Main switch/Ignition switch: connects and disconnects electrical power to and from all functions of the machine.

24. Not used.

25. Not used.

26. Not used.

Lifting and Transporting:

ATTENTION: during all lifting operations, make sure the palletized machine is firmly secured to prevent it tipping over or being accidentally dropped. The machine must be loaded onto/unloaded from vehicles in areas with adequate lighting.

The machine is packaged on a wooden pallet. It must be loaded on to the transporting vehicle using suitable equipment. The palletized body of the machine can be lifted only with the aid of a fork lift truck. Handle with care to avoid impact and ensure the machine is not overturned.

Inspection on Delivery:

When the carrier delivers the machine, check that the packaging and the machine are both intact and undamaged. If the machine is damaged, make sure the carrier is aware of the damage and before accepting the goods, reserve the right (in writing) to request compensation for the damage.

DANGER: when unpacking the machine, the operator must wear suitable Personal Protection Equipment (gloves, eyewear, etc.) to limit the risk of injury.

When unpacking the machine, proceed as follows:

1. Cut and remove the plastic straps using scissors or nippers.

2. Remove the cardboard packaging.

3. Remove the side brushes placed inside the battery compartment.

4. Remove the bags placed inside the battery compartment and check the contents: user manual; CE certificate of conformity; quick guide; instructions for setting up the battery charger; battery bridges with terminals; 1 x connector for battery charger; 2 x hex wrench.

5. Remove the metal brackets securing the front/rear wheels and the machine chassis to the pallet base.

6. Release the parking brake.

7. Using a ramp, push the machine off the pallet in the reversing direction. The machine must not be lifted.

8. Remove the side brushes from their packaging.

9. Clean the outside of the machine, taking care to observe safety regulations.

Once the machine is clear of the packaging, proceed to install the batteries, referring to the section “Batteries: installation and connection”. If not retained, the packaging must be disposed of in compliance with current regulations.

NOTICE: Enter the type of battery installed in the machine software settings.

ATTENTION: when machines are shipped with batteries installed, the “BATTERY TYPE” parameters are factory-set.

Follow the instructions below to adjust the machine logic settings for the type of battery installed:

1. Turn the ignition key to switch the machine off.

2. Press the Programming and Suction buttons at the same time, then switch the machine on by turning the ignition key.

3. Press the Suction button twice.

4. Press the Programming button to access the battery type setting menu.

5. Select the type of batteries installed using the Suction or Filter Shake buttons: “ACID battery” or “GEL/AGM battery”.

6. Press the Programming button to store the parameter.

7. Press the Suction button repeatedly until “EXIT” appears, then press the Programming button to exit and save the parameter.

ATTENTION: the operation of installing and connecting the batteries must be carried out by a skilled technician.

ATTENTION: when installing and connecting the batteries, ensure that the battery charger is unplugged from the power socket.

ATTENTION: before carrying out the operations described below, stop on a flat and level surface, switch off the machine, remove the ignition key and apply the parking brake.

DANGER: Make certain that the terminals marked with a “+” are connected to the positive poles of the battery. Do not check the battery charge by sparking.

1. Tilt the seat cowling toward the steering wheel, then place the batteries in the compartment, positioning them as indicated by the wiring diagram.

2. Connect the wiring terminals to the battery poles, tighten and smear with Vaseline.

3. Return the seat cowling to the working position.

DANGER: use a battery charger with CE marking that is in compliance with product standard (EN 60335-2-29), equipped with double insulation or reinforced insulation between input and output and with SELV type output circuit.

ATTENTION: check that the battery charger is compatible with the batteries being charged.

ATTENTION: authorized service technician required to perform this procedure.

When using a battery charger not provided with the machine, it must be fitted with the connector included in the machine equipment package.

Proceed as follows to fit the connector:

1. Remove around 13 mm of the protective sheath from the red and black conductors of the battery charger cable.

2. Attach the ends to the contacts of the connector and squeeze forcibly with suitable crimping pliers.

3. Make certain the polarity is correct (red + black –) when attaching the wires to the connector.

ATTENTION: before carrying out the operations described below, stop on a flat and level surface, switch off the machine, remove the ignition key and apply the parking brake.

Assembly:

1. Undo the screw on the motor shaft.

2. Check that the drive key is located in the keyway of the motor shaft.

3. Position the brush complete with flange on the motor shaft.

4. Retighten the clamp screw.

Disassembly:

Repeat the steps described above in reverse order.

Clothing and Equipment: Wear safety shoes with non-slip soles and protective eyewear/visor. Use respiratory masks (class FFP2 or higher) if necessary.

Before Starting: Clear away larger items of refuse before sweeping. Pick up any pieces of wire, tape, string and similar items that could become entangled around the brushes.

Preparing the machine for work:

Check that the batteries are fully charged. If not, refer to the “Charging the batteries” section.

Make certain that the debris bin is empty. If not, refer to the “Emptying the debris bin” section.

NOTICE: The operator seat can be adjusted for position to make the use of the machine more comfortable.

ATTENTION: do not use the machine without first reading the operating and maintenance manual.

DANGER: Never sweep up combustible powders, flammable or explosive liquids (e.g. petrol, fuel oil, etc.), acids and solvents (e.g. paint thinners, acetone etc.) even if diluted.

1. Sit on the seat.

2. Turn the ignition key to switch the machine on.

3. Use the drive selector to select the drive direction.

4. To lower the centre brush, push the operating lever forward. As the brush is lowered, the brush motor and suction motor will come into operation.

NOTICE: A resettable fuse is fitted on the guide plate of the centre brush operating lever. In the event that the centre brush should stop working, press the button to reset the fuse.

5. Lower the side brushes by pulling the relative levers out and easing them down.

NOTICE: A resettable fuse is fitted above each of the side brush operating levers. In the event that a side brush should stop working, press the button to reset the fuse.

6. Start cleaning, turning the steering wheel by hand and depressing the accelerator pedal.

7. The maximum operating speed can be set by turning the speed potentiometer.

8. If the machine has to be used on damp ground, it is essential to protect the paper filter: accordingly, shut off the suction motor by pressing the suction button.

9. Press the “Lift Flap” pedal to pick up bulky items.

NOTICE: Releasing the accelerator pedal, all functions of the machine will switch off automatically within 5 seconds (AUTO POWER-OFF). To reactivate the functions, simply depress the accelerator pedal. This feature can be enabled/disabled in the USER MENU.

To stop the machine: Release the accelerator pedal and depress the brake pedal (service brake).

To apply the parking brake: Depress the brake pedal fully, together with the lock pedal.

To release the parking brake: Depress the brake pedal fully.

Before leaving the machine unattended: Stop on a flat and level surface, switch off the machine, remove the ignition key, make certain that the centre brush and the side brushes are raised clear of the ground, and apply the parking brake.

Keep the cleaning passes as straight as possible.

Overlap successive cleaning passes by a few centimetres.

Adjust the speed of the machine according to the type of cleaning.

Check the battery charge indicator to ensure there will be sufficient power for completion of the cleaning operation.

ATTENTION: Do not operate the machine on slopes or gradients steeper than indicated on the data plate.

ATTENTION: When using the machine on gentle gradients, do not move transversely across the slope, but keep the machine on a line parallel to the direction of the incline, manoeuvring carefully and without making U-turns.

In the event of emergency, this button isolates the machine from its power source.

To cut off the power supply: push the button in.

To restart the machine: pull the button back.

The safety thermostat is located inside the debris bin. Should a fire happen to start up inside the debris bin, the thermostat will cause the suction fan to shut off.

Proceed as follows:

1. Move the machine to a safe area.

2. Remove the ignition key and apply the parking brake.

3. Open the debris bin and remove the source of the heat.

DANGER: always wear a mask when emptying the debris bin, so as to protect the respiratory tract from the dust that will inevitably be raised during this operation.

ATTENTION: before carrying out the operations described below, stop on a flat and level surface, switch off the machine, remove the ignition key and apply the parking brake.

On finishing work, proceed to empty the debris bin following the instructions given below:

1. Switch on the filter shaker for 5 seconds.

2. Move the machine close to the refuse container.

3. Lower the debris bin clamp lever.

4. Remove the bin and empty it.

5. Reposition the bin and lock in place with the lever.

To move the machine, proceed as follows:

1. Turn the ignition key to switch the machine on.

2. Select the direction of travel.

3. Press the accelerator pedal.

4. The top speed of the machine is adjusted by turning the potentiometer.

5. To stop the machine, release the accelerator pedal and depress the brake pedal; refer to the section “Service brake and parking brake”.

6. Turn the ignition key to switch off the machine.

7. Apply the parking brake: see section “Service brake and parking brake”.

DANGER: no maintenance work of any description must be carried without first having isolated the machine from its power source. Maintenance operations on the electrical circuit and all other operations not explicitly described in this operating manual must be performed by a TENNANT approved service technician.

When cleaning the machine, always observe the following precautions:

Avoid using pressure washers. Water could penetrate the electrical compartment or motors leading to damage or short circuits.

Avoid using steam, as the heat could cause the deformation of plastic parts.

Do not use solvents or hydrocarbon based products. These can damage the cowling and rubber components.

The suction filter can be cleaned as follows:

Using the automatic cleaning system: The machine is programmed for automatic and cyclical cleaning of the filter to take place during operation at predetermined intervals. The automatic cleaning system can be enabled/disabled in the machine software menu; refer to the section “USER MENU”. The machine is factory-set with the system DISABLED.

Using the manual cleaning system: press the filter shaker button and hold it down for a few seconds. Repeat this operation 4 or 5 times while using the machine. This operation should be performed at the end of every working shift. If the machine is used in a dusty environment, use the filter shaker more frequently.

Cleaning the filter manually: if the filter shaker does not produce the expected result, clean the filter manually. In any event, clean the filter at least once every 50 working hours.

To clean manually:

1. Stop on a flat and level surface, switch off the machine, remove the ignition key and apply the parking brake.

2. Take out the debris bin and empty it; refer to the section “Emptying the debris bin”.

3. Remove the cover of the filter housing.

4. Lift the two levers and remove the filter shaker bracket complete with the filter shaker motor, carefully disconnecting the power cable from the filter shaker.

5. Take out the filter.

6. Blow the filter clean with compressed air (maximum pressure 6 bar).

7. Refit the filter and reposition the debris bin.

ATTENTION: before carrying out any operations, stop on a flat and level surface, switch off the machine, remove the ignition key and apply the parking brake.

ATTENTION: never install a fuse with a current rating higher than that specified. The replacement of fuses must be entrusted only to a TENNANT service centre or to a TENNANT-approved service technician.

The machine is equipped with resettable fuses also known as thermal fuses. These devices shut off the flow of current in the event of an overload. Once the thermal fuse has been tripped, allow time for it to cool, then press the reset button to restore normal operation.

NOTICE: A resettable fuse is fitted above each of the side brush operating levers. In the event that a side brush should stop working, press the button to reset the fuse.

NOTICE: A resettable fuse is fitted on the guide plate of the centre brush operating lever. In the event that the centre brush should stop working, press the button to reset the fuse.

DANGER: Do not check the batteries by sparking. Lead-acid (WET) batteries give off flammable vapours. During any type of maintenance on the batteries, wear Personal Protective Equipment (gloves, eyewear, overalls, etc.). Keep away from naked flames, do not short circuit the battery poles, do not generate sparks and do not smoke.

To obtain best possible efficiency from batteries, observe the following rules:

Do not leave batteries partially discharged for long periods of time.

Allow batteries to charge completely before resuming use of the machine.

Keep batteries clean, with the connections always well tightened.

Check the level of the electrolyte every two weeks (WET batteries).

WET batteries must be inspected periodically to check the level of the electrolyte. Use only distilled water to top up the level so that the plates are covered. Do not overfill (maximum 5 mm above the plates), as the electrolyte could expand and overflow when the battery is charged.

DANGER: Do not check batteries by sparking. Carry out charging operations in a ventilated area. When charging, highly explosive hydrogen gas is produced. Leave the seat cowling open (tilted toward the steering wheel) throughout the entire battery charging cycle and carry out this procedure only in well-ventilated areas, away from naked flames.

ATTENTION: Before recharging, ensure the battery charger is set up correctly for the battery type. Stop on a flat and level surface, switch off the machine, remove the ignition key and apply the parking brake. Run the recharge cycle exactly as specified in the battery charger manual, and at the end of the cycle, detach the connectors.

OFF-BOARD BATTERY CHARGER

1. Connect the battery charger connector to the machine connector.

2. Plug the battery charger into the mains power socket.

3. Start the recharge cycle.

ATTENTION: the operation of removing the batteries must be carried out by a skilled technician.

DANGER: When removing the batteries, the skilled technician must wear Personal Protective Equipment (gloves, eyewear, overalls, etc.). Remove the ignition key, keep away from naked flames, do not short circuit the battery poles, do not generate sparks and do not smoke.

ATTENTION: before carrying out the operations, stop on a flat and level surface, switch off the machine, remove the ignition key and apply the parking brake. Ensure the battery charger is unplugged from the power socket.

1. Disconnect the terminals of the battery cables from the battery poles.

2. If necessary, remove the devices fixing the battery to the base of the machine.

3. Lift the batteries from the compartment using suitable handling equipment.

ATTENTION: before carrying out the operations described below, stop on a flat and level surface, switch off the machine, remove the ignition key and apply the parking brake.

To replace the centre brush, proceed as follows:

1. Unscrew the knobs and open the door on the left of the machine.

2. Unscrew and remove the three knobs securing the brush compartment cover.

3. Remove the cover of the brush compartment.

4. Take out the worn brush.

5. Remove the adapter from the core of the old brush and fit it to the new brush, taking care to keep the bristles aligned in the same direction.

6. Fit the new brush and make sure that the adapter is coupled to the drive hub.

7. Replace the brush compartment cover, repeating the disassembly operations in reverse order.

Correct adjustment of the centre brush will ensure better quality cleaning in less time. Make the adjustment when the brush has become worn.

Proceed as follows:

1. Raise the brush.

2. Unscrew the knob.

3. Turn the adjuster anti-clockwise until the knob is aligned with the next fixing hole.

4. Retighten the knob.

NOTICE: Once all six of the adjustment positions have been used up, proceed with replacement of the brush as indicated in the section “Replacing the centre brush”.

ATTENTION: before carrying out the operations described below, stop on a flat and level surface, switch off the machine, remove the ignition key and apply the parking brake.

If the side brushes (when lowered) do not touch the floor due to excessive wear, they can be adjusted as follows:

1. Lower the side brushes by pulling the relative levers out and easing them down.

2. Loosen the adjustment screws.

3. Position the brush by hand, as required.

4. Tighten the adjustment screws.

(*) To be performed by trained service personnel only

If the machine is not used for some time, for example, on display in a showroom or stored in the warehouse for a period of more than one month, the following operations are required:

Recharge the batteries completely. During long periods of inactivity, remember to recharge the batteries periodically (at least once every two months) so that they are kept at the maximum charge level.

Disconnect the batteries from the machine.

Make certain that the debris bin is completely empty and perfectly clean.

ATTENTION: remember to check the batteries – if they are not recharged periodically as described above, they could become damaged beyond repair. The manufacturer is not liable for any malfunctions resulting from neglect, improper and/or incorrect use.

ATTENTION: when the batteries discharge to the minimum level, make certain they are not left in this condition for any length of time, as this can reduce their working life. Check the battery charge level at least once a week.

To access the USER MENU:

1. Turn the ignition key to switch the machine off.

2. Press the Programming and Suction buttons at the same time, then switch the machine on by turning the ignition key.

Navigating the Menu:

Pressing the Programming button, the user can select a parameter, make a change and save the new setting.

Pressing the Suction button, the user can change (increase) the value of the selected parameter or navigate other items of the user menu.

Pressing the Filter Shaker button, the user can change (decrease) the value of the selected parameter or navigate other items of the user menu.

To quit the user menu: select EXIT and press the Programming button to confirm.