SCRUBTEC R 3 - Autolaveuse NILFISK - Free user manual and instructions

USER MANUAL SCRUBTEC R 3 NILFISK

The undersigned certify that the above mentioned model is produced in accordance with the following directives and standards.

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ENGLISH USER MANUAL INTRODUCTION NOTE The numbers in brackets refer to the components shown in Machine Description chapter.

MANUAL PURPOSE AND CONTENTS The purpose of this Manual is to provide the operator with all necessary information to use the machine properly, in a safe and autonomous way. It contains information about technical data, safety, operation, storage, maintenance, spare parts and disposal. Before performing any procedure on the machine, the operators and qualified technicians must read this Manual carefully. Contact Alto in case of doubts concerning the interpretation of the instructions and for any further information.

TARGET This Manual is intended for operators and technicians qualified to perform the machine maintenance. The operators must not perform procedures reserved for qualified technicians. Alto will not be answerable for damages coming from the non-observance of this prohibition.

HOW TO KEEP THIS MANUAL The User Manual must be kept near the machine, inside an adequate case, away from liquids and other substances that can cause damage to it.

DECLARATION OF CONFORMITY The declaration of conformity, supplied with the machine, certifies the machine conformity with the law in force. NOTE Two copies of the original declaration of conformity are provided together with the machine documentation.

IDENTIFICATION DATA The machine serial number and model are shown on the plate (30) on the steering column. The machine model year is written in the declaration of conformity and it is also indicated by the first two figures of the machine serial number. This information is useful when requiring machine spare parts. Use the following table to write down the machine identification data. MACHINE model MACHINE serial number

OTHER REFERENCE MANUALS – Electronic Battery Charger Manual (to be considered as integral part of this Manual) Moreover, the following Manuals are available: – Service Manual (that can be consulted at Alto Service Centers) – Spare Parts List (supplied with the machine)

SPARE PARTS AND MAINTENANCE All necessary operating, maintenance and repair procedures must be performed by qualified personnel or by Alto Service Centers. Only original spare parts and accessories must be used. Contact Alto for service or to order spare parts and accessories, specifying the machine model and serial number.

CHANGES AND IMPROVEMENTS Alto constantly improves its products and reserves the right to make changes and improvements at its discretion without being obliged to apply such benefits to the machines that were previously sold. Any change and/or addition of accessories must be approved and performed by Alto.

OPERATION CAPABILITIES This scrubber-dryer is used to clean (scrubbing and drying) smooth and solid floors, in civil or industrial environment, under safe operation conditions by a qualified operator. The scrubber-dryer cannot be used for fitted carpet and carpet cleaning.

CONVENTIONS Forward, backward, front, rear, left or right are intended with reference to the operator’s position, that is to say on the driver's seat (25).

SCRUBTEC R 361 - R 366 - R 371 - R 371 C

9097421000(1)2008-01 A USER MANUAL ENGLISH UNPACKING/DELIVERY To unpack the machine, carefully follow the instructions on the packing. Upon delivery carefully check that the machine and its packing have not been damaged during transportation. In case of visible damages, keep the packing and have it checked by the carrier that delivered it. Call the carrier immediately to fill in a damage claim. Check that the machine is equipped with the following features: Technical documents: – • Scrubber-dryer User Manual • Battery Charger Manual • Scrubber-dryer Spare Parts List No. 2 lamellar fuses – No. 5 shims for 6 V battery housing – One 2 mm-key for socket screws –

SAFETY The following symbols indicate potentially dangerous situations. Always read this information carefully and take all necessary precautions to safeguard people and property. The operator's cooperation is essential in order to prevent injury. No accident prevention program is effective without the total cooperation of the person responsible for the machine operation. Most of the accidents that may occur in a factory, while working or moving around, are caused by failure to comply with the simplest rules for exercising prudence. A careful and prudent operator is the best guarantee against accidents and is essential for successful completion of any prevention program.

SYMBOLS DANGER! It indicates a dangerous situation with risk of death for the operator.

WARNING! It indicates a potential risk of injury for people or damage to objects.

CAUTION! It indicates a caution related to important or useful functions. Pay careful attention to the paragraphs marked by this symbol. NOTE It indicates the necessity to refer to the User Manual before performing any procedure.

GENERAL INSTRUCTIONS Specific warnings and cautions to inform about potential damages to people and machine are shown below.

DANGER! Disconnect the batteries before performing any maintenance/repair procedure. This machine must be used by properly trained and authorised personnel only. Children or disabled people cannot use this machine. Keep the battery away from sparks, flames and incandescent material. During the normal operation explosive gases are released. Do not wear jewels when working near electrical components. Do not work under the lifted machine without supporting it with safety stands. Do not operate the machine near toxic, dangerous, flammable and/or explosive powders, liquids or vapours. Battery charging produces highly explosive hydrogen gas. Keep the tank assembly open during battery charging and perform this procedure in well-ventilated areas and away from naked flames.

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USER MANUAL WARNING! Carefully read all the instructions before performing any maintenance/repair procedure. Before using the battery charger, ensure that frequency and voltage values, indicated on the machine serial number plate, match the electrical mains voltage. To reduce the risk of fire, electric shock, or injury, do not leave the machine unattended when it is plugged in. Disconnect the machine from the electrical mains when not in use and before performing maintenance procedures. To avoid electric shock, do not expose to rain. Store the machine indoors. Do not allow to be used as a toy. Close attention is necessary when used near children. Use only as shown in this Manual. Use only Alto's recommended accessories. Do not use the machine if the battery charger cable or plug is damaged. If the machine is not working as it should, has been damaged, left outdoors or dropped into water, return it to the Service Center. Do not pull or carry the machine by the battery charger cable and never use the battery charger cable as a handle. Do not close a door on the battery charger cable, or pull the battery charger cable around sharp edges or corners. Do not run the machine on the battery charger cable. Keep the battery charger cable away from heated surfaces. Take all necessary precautions to prevent hair, jewels and loose clothes from being caught by the machine moving parts. Do not smoke while charging the batteries. Do not leave the machine unattended without being sure that it cannot move independently. Do not use the machine on slopes with a gradient exceeding the specifications. Do not wash the machine with direct or pressurised water jets, or with corrosive substances. Do not use the machine in particularly dusty areas. While using this machine, take care not to cause damage to other people, especially children. Do not put any can containing fluids on the machine. The machine storage temperature must be between 0°C and +40°C. The machine working temperature must be between 0°C and +40°C. The humidity must be between 30% and 95%. Always protect the machine against the sun, rain and bad weather, both under operation and inactivity condition. Do not use the machine as a means of transport. Do not use the machine on slopes with an inclination higher than 16%. Do not allow the brushes to operate while the machine is stationary to avoid damaging the floor. In case of fire, use a powder fire extinguisher, not a water one. Do not bump into shelves or scaffoldings, especially where there is a risk of falling objects. Do not tamper with the machine safety guards and follow the ordinary maintenance instructions scrupulously. To move the machine by hand the electromagnetic brake must be unlocked. When the operation is over, the electromagnetic brake must be activated again. Do not use the machine when the electromagnetic brake is deactivated. Do not remove or modify the plates affixed to the machine. In case of machine malfunctions, ensure that these are not due to lack of maintenance. If necessary, request assistance from the authorised personnel or from an authorised Service Center. If parts must be replaced, require ORIGINAL spare parts from an Authorised Dealer or Retailer. To ensure machine proper and safe operation, the scheduled maintenance shown in the relevant chapter of this Manual, must be performed by the authorised personnel or by an authorised Service Centre. The machine must be disposed of properly, because of the presence of toxic-harmful materials (batteries, etc.), which are subject to standards that require disposal in special centres (see Scrapping chapter). Do not allow any object to enter into the openings. Do not use the machine if the openings are clogged. Always keep the openings free from dust, hairs and any other foreign material which could reduce the air flow. This machine cannot be used on roads or public streets. Pay attention during machine transportation when temperature is below freezing point. The water in the recovery tank or in the hoses could freeze and seriously damage the machine. Use brushes and pads supplied with the machine and those specified in the User Manual. Using other brushes or pads could reduce safety. When WET batteries are installed on the machine, do not tilt the machine for more than 30° from the horizontal plane to prevent the highly corrosive acid from leaking out of the batteries. If the machine must be tilted to perform any maintenance procedure, remove the batteries.

20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30.

Steering wheel tilting control lever Steering wheel Forward/reverse gear pedal Brush/pad-holder deck Cylindrical brush deck Side skirts Battery charger cable housing Battery charger cable Solution filter Recovery water drain hose Squeegee vacuum hose Squeegee Bumper wheel Squeegee support wheels Squeegee mounting handwheels Squeegee balance adjusting handwheel Front squeegee blade Rear squeegee blade Squeegee rear blade fastening hook

Solution tank Recovery water tank Recovery water tank cover Flashing light (optional) Solution drain tap Seat Battery charger Electromagnetic brake Front steering, driving and braking wheel Electromagnetic brake unlocking screws Serial number plate/technical data/conformity certification

Control panel Emergency push-button Horn Brush/pad-holder deck and squeegee lifting/lowering switch 35. Extra pressure switch (when the cylindrical brush deck is installed, the extra pressure function is not enabled) 36. Squeegee lifting/lowering and vacuum system on/off switch 37. Battery charge indicator 37a. Charged battery warning light (green) 37b. Semi-discharged battery warning light (yellow) 37c. Discharged battery warning light (red) 38. Hour counter and solution level display: • When the machine is started, it displays for a few seconds the number of working hours which have been performed. • While using the machine, it displays the solution level in the tank (measured in percentage terms, compared with the full tank). • When the level is below 20%, the display starts blinking. • The display could indicate “000 %” even if the tank is not completely empty, thus allowing to complete the cleaning cycle; in any case, it is recommended to check the actual detergent flow supplied to the brushes.

9097421000(1)2008-01 A USER MANUAL ENGLISH VIEW UNDER THE TANK COVERS 51. 52. 53. 54. 55. 56. 57. 58.

Recovery water tank cover Recovery water tank cover gasket Recovery water vacuum duct Vacuum grid with automatic shut-off float Float Grid fasteners Solution inlet opening Solution tank cover / driver's seat

59. Cover support rod 60. Recovery water tank 61. Solution tank

S311219A VIEW UNDER TANK ASSEMBLY 71. 72. 73. 74.

Tank assembly Batteries Battery case Battery connector

75. Battery caps 76. Battery connection diagrams

Brush/pad-holder deck Brush/pad-holder motors Brush/pad-holder deck or cylindrical brush deck connector Solution hose Deck mounting knob Deck cotter pins Deck support Brush Pad-holder Pad Cylindrical brush deck connector Connector protection cover Cylindrical brush deck Cylindrical brush motors Brush/pad-holder deck side skirt Cylindrical brush deck side skirt

S311378A ACCESSORIES/OPTIONS In addition to the standard components, the machine can be equipped with the following accessories/options, according to the machine specific use: GEL batteries – Brushes of different materials – Oil-proof squeegee blades – Flashing light – For further information concerning the optional accessories, contact an authorised Service Centre or Retailer.

Solution tank capacity

Wheel specific pressure on the floor Front steering, driving and braking wheel diameter

Vacuum system motor power

500 W Drive system motor power

600 W Drive speed (variable)

Sound pressure level at workstation (ISO 11201, ISO 4871) (LpA)

Machine sound pressure level (ISO 3744, ISO 4871) (LwA)

Vibration level at the operator's arms (*)

Vibration level at the operator's body (*)

< 1.2 m/s2 24 V battery box: 600 x 390 x 300 mm

Battery compartment size

No. 4 6 V batteries, with case: 600 x 360 x 370 mm

Vacuum system capacity

1,800 mmH2O Machine height

Technical data for machines with brush/pad-holder deck Description

Brush/pad diameter Weight without batteries and with empty tanks

Maximum weight with batteries and full tanks

Brush/pad-holder pressure with extra-pressure function turned off

Brush/pad-holder pressure with extra-pressure function turned on

Technical data for machines with cylindrical brush deck Description

SCRUBTEC R 371 C Cylindrical brush size (diameter x length)

Weight without batteries and with empty tanks

Maximum weight with batteries and full tanks

Cylindrical brush motor power

2 x 600 W Cylindrical brush speed

Cylindrical brush pressure

Under normal working conditions, on a level asphalt surface.

24 V batteries Flashing light Electromagnetic brake Reverse gear warning buzzer/horn Battery connector Battery charger auxiliary connector Battery charger external fan auxiliary connector Battery charger Brush deck connector Cylindrical brush deck sub-connector Function electronic board Drive system electronic board Electronic board under the control panel Electronic board under control panel (optional) Solenoid valve Function electronic board fuse Drive system electronic board fuse Low power circuit fuse Pump fuse (optional) Ignition switch Drive system electronic board diagnostic LED Left brush motor Right brush motor Vacuum system motor Brush deck actuator Drive system motor

SCRUBTEC R 361 - R 366 - R 371 - R 371 C

9097421000(1)2008-01 A USER MANUAL ENGLISH USE WARNING! On some points of the machine there are some adhesive plates indicating: – DANGER – WARNING – CAUTION – CONSULTATION While reading this Manual, the operator must pay careful attention to the symbols shown on the plates. Do not cover these plates for any reason and immediately replace them if damaged.

BATTERY CHECK/SETTING ON A NEW MACHINE WARNING! The electric components of the machine can be seriously damaged if the batteries are either improperly installed or connected. The batteries must be installed by qualified personnel only. Set the function electronic board and the integrated battery charger according to the type of batteries installed (WET or GEL) as shown below. Check the batteries for damage before installation. Disconnect the battery connector and the battery charger plug. Handle the batteries with great care. Install the battery terminal protection caps supplied with the machine. The machine requires one of the followings: One 24 V battery box, 240 Ah/C5 (WET) – One 24 V battery box, 240 Ah/C5 (GEL) (optional) – No. 4 6 V batteries, 180 Ah C5 (WET) – No. 4 6 V batteries, 180 Ah C5 (GEL) – The machine can be supplied in one of the following modes:

Batteries (WET or GEL) already installed and ready to be used 1. 2. 3. 4. 5. 6.

Open the covers (51 and 58) and check that the tanks (60 and 61) are empty, otherwise empty them through the drain hose (10) and the tap (24). Close the covers (51 and 58). Carefully lift the tank assembly (71). Check that the batteries are connected to the machine with the connector (74). Carefully lower the tank assembly (71). Insert the ignition key (41) and turn it to “I”. If the green warning light (37a) turns on, the batteries are ready to be used. If the yellow or red warning light (37b or 37c) turns on, the batteries must be charged (see the procedure in Maintenance chapter).

Batteries (WET) installed on the machine, but without electrolyte 1. 2. 3. 4.

Open the covers (51 and 58) and check that the tanks (60 and 61) are empty, otherwise empty them through the drain hose (10) and the tap (24). Close the covers (51 and 58). Carefully lift the tank assembly (71). Remove the caps (75) of the batteries (72). WARNING! Pay attention when using sulphuric acid, as it is corrosive. If it comes in contact with skin or eyes, rinse thoroughly with water and consult a physician. Batteries have to be filled in a well-ventilated area. Wear protective gloves. Fill up the battery cells with sulphuric acid for batteries (density 1.27 to 1.29 kg at 25°C) as shown in the Battery Manual. The correct quantity of sulphuric acid is shown in the Battery Manual. To avoid damaging the floor, dry with a cloth both acid and water on the top of the batteries after charging. Let the batteries rest and fill in with sulphuric acid as shown in the Battery Manual. Charge the batteries (see the procedure in Maintenance chapter).

Without batteries 1. 2. 3. 4.

Buy appropriate batteries (see Technical Data paragraph). For battery choice and installation, apply to qualified battery Retailers. Set the electronic board of the machine and of the battery charger according to the type of batteries installed (WET or GEL). Install the batteries. Charge the batteries.

9097421000(1)2008-01 A SCRUBTEC R 361 - R 366 - R 371 - R 371 C

ENGLISH USER MANUAL BATTERY INSTALLATION AND BATTERY TYPE SETTING (WET OR GEL) Set the electronic board of the machine and of the battery charger according to the type of batteries installed (WET or GEL), as shown below:

Machine setting 1. 2. 3. 4. 5. 6.

Turn the ignition key (41) to “I” and pay attention to the following in the very first seconds of machine operation: • If the green warning light (37a) is flashing, the machine is set to GEL. • If the red warning light (37c) is flashing, the machine is set to WET. To change the settings, proceed as follows. Turn off the machine by turning the ignition key (41) to “0”. Press and hold the switch (36), then turn on the machine by turning the ignition key (41) to “I”. Release the switch (36) at least 5 seconds after starting the machine. Within three seconds, press the switch (36) again for a few seconds and check that the warning light for the required setting is flashing.

Battery charger setting 7. 8. 9.

Remove the screws (A, Fig. 1) and the panel (B). Turn the selector (C) to WET or GEL according to the type of batteries installed. Install the panel (B) and tighten the screws (A).

S311218A Battery installation 10. Open the covers (51 and 58) and check that the tanks (60 and 61) are empty, otherwise empty them through the drain hose (10) and the tap (24). 11. Close the covers (51 and 58). 12. Carefully lift the tank assembly (71). 13. Install the batteries and connect them according to the diagram (76). WARNING! If a battery box is installed, place it on the left side of the machine, to allow the tank assembly (71) to be closed correctly.

Battery charging 14. Charge the batteries (see the procedure in Maintenance chapter).

SCRUBTEC R 361 - R 366 - R 371 - R 371 C

9097421000(1)2008-01 A USER MANUAL ENGLISH BEFORE MACHINE START-UP WARNING! When starting the machine, check that between the deck (4 or 5) and the machine, or between the squeegee (12) and the machine, there is no foreign material which may prevent the deck or squeegee from lifting. This check is necessary because, if the machine has been turned off without lifting the deck and the squeegee, the deck and the squeegee will lift automatically at next machine start-up.

Deck installation/removal The machine can be equipped with either the brush/pad-holder deck (4) or the cylindrical brush deck (5). For deck installation/removal see the procedure in Maintenance chapter. NOTE When the deck is installed/removed, it may be necessary to change the squeegee too, because they must have the same width. For correct matching of deck and squeegee, see the Technical Data paragraph.

Brush/pad-holder installation/removal (only for SCRUBTEC R 361 / R 366 / R 371) 1. 2.

According to the kind of cleaning to be performed, the machine can be equipped either with brushes (88) or pad-holders (89) with pads (90) together with the appropriate deck. For the installation/removal, proceed as follows. Insert the ignition key (41) and turn it to “I”. WARNING! Before turning on the switch (34), always check that between the deck (4) and the machine there is no foreign material which may prevent the deck from lifting.

Lift the deck by pressing the switch (34). Turn the ignition key (41) to “0” and remove it. Install the brushes/pad-holders (88 or 89) and lift them completely, then turn them clockwise (see the arrows 88 and 89) until the end of stroke. To remove the brushes/pad-holders, perform steps 2 to 5 in the reverse order.

PROLENE PROLITE UNION MIX General cleaning: Concrete Terrazzo floor Ceramic tiles/quarrystones Marble Vinyl tiles Rubber tiles Polishing: Rubber tiles Marble Vinyl tiles

9097421000(1)2008-01 A SCRUBTEC R 361 - R 366 - R 371 - R 371 C

ENGLISH USER MANUAL Cylindrical brush installation/removal (only for SCRUBTEC R 371 C) 7.

Insert the ignition key (41) and turn it to “I”. WARNING! Before turning on the switch (34), always check that between the deck (5) and the machine there is no foreign material which may prevent the deck from lifting.

Lift the deck by pressing the switch (34). Turn the ignition key (41) to “0” and remove it. On both sides of the machine, unscrew the knobs (97) and remove the side skirt assembly (96). Unscrew the knobs (101) and remove the lids (100) by pushing the knobs downwards. Install the cylindrical brushes (99). The cylindrical brushes can be installed on either sides. 13. Install the lids (100) and fasten them with the knobs (101). 14. To remove the cylindrical brushes, perform steps 7 to 13 in the reverse order. 8. 9. 10. 11. 12.

Types of cylindrical brushes available 145 x 690 mm-model PROLENE MAGNA GRIT 46 DYNA GRIT 80 MIDLITE GRIT 180

PROLITE UNION MIX Cylindrical brush application guide Models

PROLENE PROLITE UNION MIX General cleaning: Concrete Terrazzo floor Ceramic tiles/quarrystones Marble Vinyl tiles Rubber tiles

Squeegee installation NOTE The squeegee and the deck must have the same width. For correct matching of deck and squeegee, see the Technical Data paragraph. 15. Install the squeegee (12) and fasten it with the handwheels (15), then connect the vacuum hose (11) to the squeegee. 16. Adjust the squeegee with the handwheel (16) so that the rear blade (18) touches the floor along all its length and the front blade (17) is slightly lifted from the floor.

Solution tank filling 17. Open the cover (58). 18. Fill the solution tank (61) with a solution suitable for the work to be performed. Do not fill the solution tank completely, leave a few centimetres from the edge. Always follow the dilution instructions on the label of the chemical product used to prepare the solution. The solution temperature must not exceed 40°C. WARNING! Use only low-foam and non-flammable detergents, intended for automatic scrubber applications.

Driver's position adjustment 21. Using the lever (1), adjust the inclination of the steering wheel (2) to reach a comfortable position.

Prepare the machine as shown in the previous paragraph. Turn the ignition key (41) to “I” and press the forward/reverse gear pedal (3). Check that the green warning light (37a) turns on. If the yellow or red warning light (37b or 37c) turns on, turn the ignition key back to “0” and charge the batteries (see the procedure in Maintenance chapter). Drive the machine to the working place, by starting it with the hands on the steering wheel and by pressing the pedal (3). The drive speed can be adjusted from zero to maximum speed according to the pressure on the pedal (3). The forward/reverse gear is selected with the switch (39) on the right side of the dashboard. NOTE The driver's seat (25) is equipped with a safety sensor which allows the machine to be moved with the pedal (3) only when the operator is on the driver's seat. NOTE

The machine is equipped with an anti-tilting safety system that reduces the speed when turning, irrespectively of the pressure on the pedal. The reduction of speed when turning is not a malfunction but a characteristic that improves the machine stability in every condition. Lower the brush/pad-holder deck and the squeegee by pressing the pedal (34). Press the solution flow control switches (40) as necessary, depending on the type of cleaning to be performed. Start scrubbing, by starting it with the hands on the steering wheel (2) and by pressing the pedal (3) as necessary.

Stopping the machine 8. 9.

Release the pedal (3). It is not necessary to lock the machine during stopping or parking, because the electromagnetic brake (27) turns on automatically when the gear pedal is not pressed. 10. Lift the brush/pad-holder deck and the squeegee by pressing the pedal (34).

MACHINE OPERATION (SCRUBBING/DRYING) 1. 2.

Start the machine as shown in the previous paragraph. If necessary, vary the solution quantity by pressing the switches (40). NOTE For correct scrubbing/drying of floors at the sides of the walls, Alto suggests to go near the walls with the right side of the machine as shown in figure 2.

9097421000(1)2008-01 A SCRUBTEC R 361 - R 366 - R 371 - R 371 C

ENGLISH USER MANUAL Squeegee adjustment 3.

If necessary, stop the machine and turn the squeegee adjusting handwheel (16) so that the rear blade touches the floor along all its length. CAUTION! To avoid any damage to the floor surface, turn off the brushes/pad-holders when the machine stops in one place, especially when the extra pressure function is on.

Working with brush/pad-holder extra pressure function turned on NOTE When the cylindrical brush deck is installed, the extra pressure function is not enabled. 4. 5.

If the floor proves to be particularly difficult to clean, it is possible to turn on the brush/pad-holder extra pressure function by pressing the switch (35). To return to normal pressure, press the switch (35) again. The switch (35) is enabled only when the deck (4) is lowered and the switch warning light (34) is on. CAUTION! In case of brush/pad-holder motor overload, due to foreign bodies which prevent them from rotating, or to excessively aggressive floors/brushes, the safety system stops the brushes/pad-holders after about one minute of continuous overload. The overload is shown by the three warning lights (37a, 37b, 37c) flashing simultaneously. If the overload takes place when the extra pressure function is on, the system automatically reduces the pressure on the brushes/pad-holders, thus turning the extra pressure function off. If the overload persists, the brushes/pad-holders stop. To start scrubbing again after a brush/pad-holder stop due to overload, stop the machine by turning the ignition key (41) to “0”. Then turn on the machine again by turning the ignition key (80) to “I”.

Battery discharge during operation 6.

Until the green warning light (37a) stays on, the batteries allow the machine to work normally. When the green warning light (37a) turns off and the yellow and red warning lights (37b and 37c) turn on in sequence, the batteries must be charged. • When the yellow warning light (37b) turns on, the machine residual autonomy will last for a few minutes (depending on battery type). • When the red warning light (37c) turns on, the autonomy is over: after a few seconds the brushes/pad-holders are automatically stopped and the deck is automatically lifted. The vacuum system and the drive system stay on, to finish drying the floor and drive the machine to the appointed recharging area. CAUTION! Do not use the machine with discharged batteries, to avoid damaging the batteries and reducing the battery life. NOTE In case the machine drive system cannot be used in order to move the machine, see Pushing/Towing The Machine paragraph.

SCRUBTEC R 361 - R 366 - R 371 - R 371 C

9097421000(1)2008-01 A USER MANUAL ENGLISH TANK EMPTYING An automatic float shut-off system (54) turns off the vacuum system when the recovery water tank (60) is full. The vacuum system deactivation is signalled by a sudden increase in the vacuum system motor noise frequency, and the floor is not dried. CAUTION! If the vacuum system turns off accidentally (for example, when the float is activated because of a sudden machine movement), to resume the operation: turn off the vacuum system by pressing the switch (36), then open the cover (22) and check that the float inside the grid (55) has gone down to the water level. Then close the cover (22) and turn on the vacuum system by pressing the switch (36). When the recovery water tank (60) is full, empty it according to the following procedure.

Recovery water tank emptying 1. 2. 3. 4.

Stop the machine by releasing the pedal (3). Lift the brush/pad-holder deck and the squeegee by pressing the pedal (34). Drive the machine to the appointed disposal area. Empty the recovery water tank with the hose (10). Then, rinse the tank with clean water.

Solution tank emptying 5. 6.

Perform steps 1 to 3. Empty the solution tank with the tap (24). Then, rinse the tank with clean water.

AFTER MACHINE USE After working, before leaving the machine: 1. Remove the brushes/pad-holders as shown in the relevant paragraph. 2. Empty the tanks (60 and 61) according to the procedure shown in the previous paragraph. 3. Perform the daily maintenance procedures (see the Maintenance chapter). 4. Store the machine in a clean and dry place, with the brushes/pad-holders and the squeegee lifted or removed.

PUSHING/TOWING THE MACHINE To push/tow the machine easily when the drive system cannot be used, unlock the electromagnetic brake (27) by tightening the screws (29) completely (turn them clockwise) with the supplied key. When pushing/towing procedure is over, loosen the screws (29) for 3 turns approximately, to lock the electromagnetic brake (27). WARNING! If the screws (29) are not loosened as shown, the electromagnetic brake is deactivated.

WARNING! Do not start the machine when the electromagnetic brake unlocking screws (29) are tightened (electromagnetic brake deactivated). It is safer to tighten the screws (29) only for the time necessary to move the machine by hand.

MACHINE LONG INACTIVITY 1. 2. 3.

If the machine is not going to be used for more than 30 days, proceed as follows: Perform the procedures shown in After Machine Use paragraph. Before disconnecting the battery red connector (74) perform the following procedures: • Open the covers (51 and 58) and check that the tanks (60 and 61) are empty, otherwise empty them through the drain hose (10) and the tap (24). • Close the covers (51 and 58). • Carefully lift the tank assembly (71).

FIRST PERIOD OF USE After the first 8 hours, check the machine fastening and connecting parts for proper tightening. Check the visible parts for integrity and leakage.

9097421000(1)2008-01 A SCRUBTEC R 361 - R 366 - R 371 - R 371 C

ENGLISH USER MANUAL MAINTENANCE The lifespan of the machine and its maximum operating safety are ensured by correct and regular maintenance. The following chart provides the scheduled maintenance. The intervals shown may vary according to particular working conditions, which are to be defined by the person in charge of the maintenance. WARNING! The procedures must be performed with the machine off and the battery disconnected. Moreover, carefully read the instructions in the Safety chapter. All scheduled or extraordinary maintenance procedures must be performed by qualified personnel, or by an authorised Service Centre. This Manual describes only the easiest and most common maintenance procedures. NOTE For other maintenance procedures shown in the Scheduled Maintenance Table, refer to the Service Manual that can be consulted at any Service Center.

Squeegee cleaning Brush cleaning Tank and vacuum grid with float cleaning Battery charging Squeegee blade check and replacement Side skirt check Solution filter cleaning Battery (WET) fluid level check Screw and nut tightening check

Check and adjustment of driving belts between motors and cylindrical brushes

Vacuum system motor carbon brush check or replacement

Drive system motor carbon brush check or replacement

(1) And after the first 8 working hours. (2) This maintenance procedure must be performed by Alto authorised Service Center.

MACHINE WORKING HOUR CHECK 1. 2.

Insert the ignition key (41) and turn it to “I”. In the first 5 seconds of machine operation, the display (38) shows the total number of working hours (scrubbing/drying) performed by the machine. Turn the ignition key (41) to “0”.

SCRUBTEC R 361 - R 366 - R 371 - R 371 C

9097421000(1)2008-01 A USER MANUAL ENGLISH SQUEEGEE CLEANING NOTE The squeegee must be clean and its blades must be in good conditions in order to get a good drying.

CAUTION! It is advisable to wear protective gloves when cleaning the squeegee because there may be sharp debris. 1. 2. 3. 4. 5. 6. 7. 8.

Drive the machine on a level floor. Insert the ignition key (41) and turn it to “I”. Lower the squeegee (12) with the switch (36). Turn the ignition key (41) to “0”. Disconnect the vacuum hose (11) from the squeegee. Loosen the handwheels (15) and remove the squeegee (12). Wash and clean the squeegee. In particular, clean the compartments (A, Fig. 3) and the vacuum hole (B). Check the front blade (C) and rear blade (D) for integrity, cuts and tears; if necessary replace them as shown below. Assemble in the reverse order of disassembly.

SQUEEGEE BLADE CHECK AND REPLACEMENT 1. 2.

Clean the squeegee as shown in the previous paragraph. Check that the edges (E and N, Fig. 3) of the front blade (17) and of the rear blade (18) lay down on the same level, along their length; otherwise adjust their height according to the following procedure: • Disengage the fastener (F) and loosen the wing nuts (G) to adjust the rear blade (D); then tighten the wing nuts and engage the fastener. • Loosen the wing nuts (H) and adjust the front blade (C); then tighten the wing nuts. Check the front blade (C) and rear blade (D) for integrity, cuts and tears; if necessary replace them as shown below. Check the front corner (I) of the rear blade for wear; if necessary, overturn the blade to replace the worn corner with an integral one. If the other corners are worn too, replace the blade according to the following procedure: • Disengage the fastener (F), remove the wing nuts (G) and the retaining strip (L), then replace (or overturn) the rear blade (D). Install the blade in the reverse order of removal. • Remove the wing nuts (H) and the retaining strip (M) then replace the front blade (C). Install the blade in the reverse order of removal. After the blade replacement (or overturning), adjust the height as shown in the previous step. Install the squeegee (12) and screw down the handwheels (15). Connect the vacuum hose (11) to the squeegee (12). If necessary, adjust the squeegee balance adjusting handwheel (16).

9097421000(1)2008-01 A SCRUBTEC R 361 - R 366 - R 371 - R 371 C

ENGLISH USER MANUAL BRUSH/CYLINDRICAL BRUSH CLEANING CAUTION! It is advisable to wear protective gloves when cleaning the brushes because there may be sharp debris. 1. 2. 3.

Remove the brushes from the machine, as shown in Use chapter. Clean and wash the brushes with water and detergent. Check the brush bristles for integrity and wear; if necessary, replace the brushes.

TANK AND VACUUM GRID WITH FLOAT CLEANING 1. 2. 3. 4. 5. 6.

Drive the machine to the appointed disposal area. Turn the ignition key (41) to “0”. Open the covers (51 and 58). Wash with clean water the covers (51 and 58), the tanks (60 and 61) and the vacuum grid with automatic shut-off float (54). Drain the water from the tanks with the hose (10) and the tap (24). If necessary, release the fasteners (A, Fig. 4), open the grid (B) and recover the float (C), clean all the components and then reinstall them. Check the tank cover gasket (D) for integrity. NOTE The gasket (D) creates vacuum in the tank that is necessary for vacuuming the recovery water.

If necessary replace the gasket (D) by removing it from its housing (E). When assembling the new gasket, install the joint (F) in the rear central area, as shown in the figure. Check the bearing surface (D) of the gasket (G) for integrity and sealing capabilities. Close the covers (51 and 58).

Drive the machine on a level floor. Turn the ignition key (41) to “0”. On both sides of the machine, unscrew the knobs (B, Fig. 5) and remove the side skirt assembly (C). Wash and clean the side skirts. Check that the side skirt lower edge (D): • lays down on the same level, along all its length; • is integral and free from cuts and lacerations; • has the inner corner (E) that is not worn; Otherwise overturn or replace the skirts according to the following procedure.

Overturning or replacement 6. 7.

Remove the wing nuts (F) and the retaining strip (G). Remove the skirt blade (H) and, if possible, overturn the blade to replace the lower inner corner (E) with an integral one. If the other three corners are worn too, replace the blade.

Assembly and height adjustment 8. 9.

Assemble the blades (H) and skirt assembly (C) in the reverse order of disassembly. Start the machine and lower the deck (D), then check that the side skirt blades (H): • slightly touch the floor; • the side blades (H) collect the solution, otherwise stop the machine and adjust the flap height with the knobs (B) and (I). 10. After adjusting, tighten the knobs.

Drive the machine on a level floor. Turn the ignition key (41) to “0”. Close the solution tap (E, Fig. 6) under the machine, behind the right rear wheel. The tap (E) is closed when it is in the position (F) and it is open when it is in the position (G). Remove the transparent cover (A), then remove the filter strainer (E) under the machine, in front of the right rear wheel. Clean and install them on the support (C). NOTE The filter strainer (B) must be correctly positioned on the housing (D) of the support (C).

SCRUBTEC R 361 - R 366 - R 371 - R 371 C

9097421000(1)2008-01 A USER MANUAL ENGLISH BATTERY CHARGING NOTE Charge the batteries when the yellow or red warning light (37b or 37c) turns on, or at the end of every working cycle.

CAUTION! Keeping the batteries charged make their life last longer.

CAUTION! When the batteries are discharged, charge them as soon as possible, as that condition makes their life shorter. Check for battery charge at least once a week. WARNING! Battery charging produces highly explosive hydrogen gas. Charge the batteries in well-ventilated areas and away from naked flames. Do not smoke while charging the batteries. While charging the battery, always keep the tank assembly open. WARNING! Pay careful attention when charging the batteries as there may be battery fluid leakages. The battery fluid is corrosive. If it comes in contact with skin or eyes, rinse thoroughly with water and consult a physician.

Battery charging with battery charger installed on the machine 1. 2.

Drive the machine on a level floor. For WET batteries only: • Open the covers (51 and 58) and check that the tanks (60 and 61) are empty, otherwise empty them through the drain hose (10) and the tap (24). • Close the covers (51 and 58). • Carefully lift the tank assembly (71). • Check the level of electrolyte inside the batteries (72). If necessary, remove the caps (75) and top up. • When the correct level is reached, close the caps (75) and clean, if necessary, the upper surface of the batteries. Connect the battery charger cable (8) to the electrical mains (the electrical mains voltage and frequency must be compatible with the battery charger values shown on the machine serial number plate). NOTE When the battery charger is connected to the electrical mains, all machine functions are automatically cut off.

If the red warning light (F, Fig. 7) on the battery charger control panel stays on, the battery charger is charging the batteries. When the green warning light (H) turns on, the battery charging is completed. When the battery charging is completed, disconnect the battery charger cable (8) from the electrical mains and wind it round its housing (7). For WET batteries only: • Carefully lower the tank assembly (71). • Fill the tanks (60 and 61). Now the machine is ready to be used. NOTE For further information about the battery charger operation (I), see the relevant Manual.

9097421000(1)2008-01 A SCRUBTEC R 361 - R 366 - R 371 - R 371 C

ENGLISH USER MANUAL FUSE CHECK/REPLACEMENT 1. 2. 3.

Turn the ignition key (41) to “0”. Remove the nuts (E, Fig. 7), then remove the cover (A). Check/replace the following fuses: B) Low power circuit fuse (F3): (5 A) C) Drive system electronic board fuse (F2): (60 A) D) Function electronic board fuse (F1): (100 A) Install the cover and tighten the nuts.

S311214A BRUSH/PAD-HOLDER DECK OR CYLINDRICAL BRUSH DECK DISASSEMBLY/ASSEMBLY NOTE The machine can be equipped with either the brush/pad-holder deck (81) or the cylindrical brush deck (96), according to the following procedure. To assemble/disassemble the deck it is not necessary to remove the brushes/pad-holders.

Disassembly 1. 2. 3. 4. 5. 6. 7.

Drive the machine on a level floor. Lower the deck (4 or 5) by pressing the switch (34). Turn the ignition key (41) to “0”. (For brush/pad-holder deck) Disconnect the connector (83). (For cylindrical brush deck) Disconnect the connectors (83) and (91). Disconnect the solution hose (84). Remove the two cotter pins (86) and the deck left side lever mounting cotter pin. Unscrew the knob (85) and remove the brush/pad-holder deck (81), or the cylindrical brush deck (93).

Assemble in the reverse order of disassembly.

SCRUBTEC R 361 - R 366 - R 371 - R 371 C

9097421000(1)2008-01 A USER MANUAL ENGLISH SAFETY FUNCTIONS The machine is equipped with the following safety functions.

EMERGENCY PUSH-BUTTON It is located in a position (32) that is easily accessible for the operator. Press it in case of immediate necessity to stop all machine functions. To reset it, turn it clockwise.

SPEED REDUCTION It reduces the machine speed in case of turns exceeding a specified angle.

DRIVER'S SEAT MICROSWITCH It is inside the driver's seat and it prevents the machine movement when the operator is not on the seat.

ELECTROMAGNETIC BRAKE Built-in the front wheel, it keeps the machine stopped when the machine is off, when the emergency push-button is pressed and when the forward/reverse gear pedal is not pressed.

TROUBLESHOOTING TROUBLE The motors do not work; no warning light turns on.

POSSIBLE CAUSE REMEDY The battery connector (74) is disconnected.

The batteries (72) are discharged.

The machine does not move.

The machine has been turned on by using the Turn the machine off and then turn it on ignition key (41) and by keeping the pedal (3) without pressing the gear pedal. pressed.

At the machine start-up, the warning light (34) of the switch flashes and the brushes do not work.

The machine has been turned off without lifting the brush deck.

Wait for the deck to lift before turning on again the brushes by pressing the switch (34).

The warning lights (37) flash simultaneously.

The brush motors are overloaded.

Use less aggressive brushes suitable for the floor to be cleaned or avoid working with extra pressure function turned on.

The brushes do not work, the red warning light (37c) is on.

The batteries are discharged.

The recovery water tank (60) is full.

The vacuum grid (55) is clogged or the float is closing.

Clean the vacuum grid.

The vacuum hose (11) is disconnected from the squeegee.

The squeegee (12) is dirty or the squeegee blades are worn or damaged.

Clean the squeegee or overturn/replace the blades.

The recovery water tank cover is not properly closed, or the gasket (52) is damaged.

Correctly close the cover or clean/replace the gasket.

The solution tank is empty.

The solution filter (9) is dirty.

The tank (61) is dirty, or the drain hole is clogged.

There is debris under the squeegee blades (17 - 18).

The squeegee blades (17 - 18) are worn, chipped or torn.

Overturn or replace.

The dirty water vacuuming is insufficient.

The solution flow is insufficient.

The squeegee leaves marks on the floor.

The squeegee has not been balanced with the Balance. handwheel (16).

NOTE The machine does not work if the battery charger is not on board. In case of battery charger malfunction, contact an authorised Service Center. For any further information contact Alto Service Centers.

9097421000(1)2008-01 A SCRUBTEC R 361 - R 366 - R 371 - R 371 C

ENGLISH USER MANUAL SCRAPPING Have the machine scrapped by a qualified scrapper. Before scrapping the machine, remove and separate the following materials, which must be disposed of properly according to the Law in force: Batteries – Brushes – Plastic hoses and components – Electrical and electronic components (*) – (*)

Refer to the nearest Alto Center especially when scrapping electrical and electronic components.

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