BR751 - Floor cleaner NILFISK - Free user manual and instructions

USER MANUAL BR751 NILFISK

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

Authorized signatory: Franco Mazzini, General Mgr

Date:

Signature:

B

S311212

C

S311377

D

S311214

E

S311215

F

S311216

EINLEITUNG 2

M1: Motor Bürste links

CONSERVATION DU MANUEL 2

ATTESTATION DE CONFORMITE 2

DONNEES D'IDENTIFICATION 2

ACCESSIONS/OPTIONS 8

UTILISATION 9

CONTROLE / PREPARATION DES BATTERIES SUR UNE MACHINE NEUVE 9

INSTALLATION DES BATTERIES ET CONFIGURATION DU TYPE DE BATTERIES (WET OU GEL) .... 10

AVANT LA MISE EN MARCHE 10

MISE EN MARCHE ET ARRET DE LA MACHINE 12

MACHINE AU TRAVAIL 12

VIDANGE DES RESERVOIRS 13

APRES L'UTILISATION DE LA MACHINE 14

MOUVEMENT PAR POUSSEE/REMORQUAGE DE LA MACHINE 14

INACTIVITE PROLONGEE DE LA MACHINE 14

PREMIERE PERIODE D'UTILISATION 14

ENTRETIEN 14

PLAN D'ENTRETIEN PROGRAMME 15

CONTROLE DES HEURES DE TRAVAIL DE LA MACHINE 15

NETTOYAGE DE L'EMBOUCHURE 15

CONTROLE ET REMPLACEMENT DES LAMELLES EN CAOUTCHOUC DE L'EMBOUCHURE 16

NETTOYAGE DES BROSSES OU DES BROSSES CYLINDRIQUES 16

NETTOYAGE DES RESERVOIRS ET DE LA GRILLE D'ASPIRATION AVEC FLOTTEUR 16

NETTOYAGE DU RESERVOIR DU DETERGENT (Optionnel) 16

VIDANGE DU SYSTEME EDS - SYSTEME D'ALIMENTATION DU DETERGENT (Optionnel) 17

CONTROLE ET REMPLACEMENT DES VOLETS LATERAUX 17

NETTOYAGE DU FILTRE DE LA SOLUTION 18

CHARGEMENT DES BATTERIES 18

CONTROLE/REPLACEMENT DES FUSIBLES 19

DEPOSE/REPOSE DE LA TETE PORTE-BROSSSES/PLATEAUX SUPPORT DISQUE

OU DE LA TETE PORTE-BROSSES CYLINDRIQUES 19

FONCTIONS DE SECURITE 19

BOUTON-POUSSOIR D'ARRET D'URGENCE 19

REDUCTION DE LA VITESSE EN VIRAGE 19

MICROINTERRUPTEUR DU SIEGE DE CONDUITE 19

FREIN ELECTROMAGNETIQUE 19

DEPISTAGE DES PANNES 20

MISE EN DECHARGE 20

INTRODUCTION

BUT ET CONTENU DU MANUEL

CONSERVATION DU MANUEL

MANUAL PURPOSE AND CONTENTS 2

TARGET 2

HOW TO KEEP THIS MANUAL 2

CONFORMITY CERTIFICATE 2

IDENTIFICATION DATA 2

OTHER REFERENCE MANUALS 2

SPARE PARTS AND MAINTENANCE 2

CHANGES AND IMPROVEMENTS 2

SAFETY 2

SYMBOLS 3

GENERAL INSTRUCTIONS 3

UNPACKING/DELIVERY 4

MACHINE DESCRIPTION 5

ACCESSIONS/OPTIONS 8

USE 9

BATTERY CHECK/SETTING ON A NEW MACHINE 9

BATTERY INSTALLATION AND BATTERY TYPE SETTING (WET OR GEL) 10

BEFORE START-UP 10

MACHINE START AND STOP 12

AFTER USING THE MACHINE 14

PUSHING/TOWING THE MACHINE 14

MACHINE LONG INACTIVITY 14

FIRST PERIOD OF USE 14

MAINTENANCE 14

SCHEDULED MAINTENANCE TABLE 15

MACHINE WORKING HOUR CHECK 15

SQUEEGEE CLEANING 15

SQUEEGEE BLADE CHECK AND REPLACEMENT 16

BRUSH/CYLINDRICAL BRUSH CLEANING 16

TANK AND VACUUM GRID WITH FLOAT CLEANING 16

DETERGENT TANK CLEANING (Optional) 16

EDS-ECO DOSAGE SOLUTION DRAINING (Optional) 17

SIDE SKIRT CHECK AND REPLACEMENT 17

SOLUTION FILTER CLEANING 18

BATTERY CHARGING 18

FUSE CHECK/REPLACEMENT 19

BRUSH/PAD-HOLDER DECK OR CYLINDRICAL BRUSH DECK DISASSEMBLY/ASSEMBLY 19

SAFETY FUNCTIONS 19

EMERGENCY STOP BUTTON 19

SPEED REDUCTION 19

DRIVER'S SEAT MICROSWITCH 19

ELECTROMAGNETIC BRAKE 19

TROUBLESHOOTING 20

SCRAPPING 20

INTRODUCTION

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 carrying out any procedure on the machine, the operators and qualified technicians must read this Manual carefully. Contact Nilfisk-Advance 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 carry out procedures reserved for qualified technicians. Nilfisk-Advance will not be answerable for damages coming from the non-observation 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.

CONFORMITY CERTIFICATE

Figure A shows the documentation certifying the scrubber-dryer conformity with the law in force.

NOTE

Two copies of the original EC Declaration of Conformity are provided together with the machine documentation.

IDENTIFICATION DATA

The machine serial number and model are shown on the plate (30, Fig. C) on the steering column.

The machine model year is written in the EC 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 (if equipped), to be considered as integral part of this Manual Moreover, the following Manuals are available:

Service Manual (that can be consulted at Nilfisk-Advance Service Centers)
- Spare Parts List (supplied with the machine)

SPARE PARTS AND MAINTENANCE

All necessary operating, maintenance and repair procedures must be carried out by qualified personnel or by Nilfisk-Advance Service Centers. Only original spare parts and accessories must be used.

Contact Nilfisk-Advance for service or to order spare parts and accessories, specifying the machine model and serial number.

CHANGES AND IMPROVEMENTS

Nilfisk-Advance 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 Nilfisk-Advance.

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 a remark related to important or useful functions.

CONSULTATION

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 far from sparks, flames and incandescent material. During 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.

WARNING!

• Carefully read all the instructions before carrying out any maintenance/repair procedure.
  Before using the external battery charger, ensure that frequency and voltage, indicated on the machine serial number plate, match the mains voltage.
• To reduce the risk of fire, electric shock, or injury, do not leave the machine unattended when it is plugged in. Unplug the machine from the outlet when not in use and before servicing.
• 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. Only Nilfisk-Advance recommended accessories must be used.
• Do not use with damaged battery charger cable or plug. If the machine is not working as it should, has been damaged, left outdoors or dropped into water, return it to the Service Centre.
• 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 storage temperature must be between 0^ and +40^ .
• The machine working temperature must be between 0^ and +40^ .

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.
- Do not remove or modify the plates affixed to the machine.
In case of machine malfunctions ensure that these are not caused by a lack of maintenance. Otherwise, request assistance from the authorised personnel or from an authorised Service Center.
- If parts must be replaced, require ORIGINAL spare parts from a Dealer or Authorised Retailer.
- To ensure proper and safe operation of the machine, have the scheduled maintenance, detailed in the relevant chapter of this Manual, performed by the authorised personnel or 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 transport, when temperature is below freezing point, because the water in the recovery tank or in the hoses could freeze and seriously damage the machine.
- Use only brushes and pads supplied with the machine or specified in this 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 procedures, remove the batteries.

UNPACKING/DELIVERY

To unpack the machine, carefully follow the instructions on the packing.

When the machine is delivered, check that the packing and the machine were not 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.

1. Technical documents:

2. Scrubber-dryer User Manual
   Electronic Battery Charger Manual (if equipped)

3. Scrubber-dryer Spare Parts List

4. No. 1 connector for battery charger (for machines without on board battery charger)

5. No. 2 lamellar fuses

6. No. 5 shims for 6V battery housing
7. One 2 mm-key for socket screws

MACHINE DESCRIPTION

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, Fig. C).

DESCRIPTION

Control panel

(See Fig. B)

1. Control panel
2. Emergency stop button
3. Horn
4. Brush/pad-holder deck and squeezegee lifting/lowering switch
5. Brush/pad-holder extra pressure switch (disabled when the cylindrical brush deck is installed)
6. Squeezegee lifting/lowering and vacuum ON/OFF switch
7. Battery charge indicator
   7a. Green warning light (ON: charged batteries)
   7b. Yellow warning light (ON: nearly discharged batteries)
   7c. Red warning light (ON: discharged batteries)

8. Hour counter and solution or washing water level display:

9. 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 or washing water 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 washing water flow supplied to the brushes.

1. Detergent flow control switch (optional)
2. Washing water control switches
   10a. Flow increase switch
   10b. Flow decrease switch
3. Maximum speed adjuster (enabled only when the brushes are operating)
4. Ignition key

Outside view

(See Fig. C)

1. Steering wheel inclination control lever
2. Steering wheel
3. Forward/reverse gear pedal
4. Brush/pad-holder deck
5. Cylindrical brush deck
6. Side skirts
7. Battery charger cable housing
8. Cable with battery charger plug (optional)
9. Filter for:

Solution
- Washing water (optional)

1. Recovery water drain hose
2. Squeezee vacuum hose
3. Squeegee
4. Bumper wheels
5. Squeegee support wheels
6. Squeegee mounting handwheels
7. Squeegee balance adjusting knob
8. Front squeezegee blade
9. Rear squeezegee blade
10. Squeegee rear blade fastening hook
11. Solution or washing water tank (according to the system equipped)
12. Recovery water tank
13. Recovery water tank cover
14. Flashing light (optional)
15. Solution or washing water drain tap (according to the system equipped)
16. Seat
17. Battery charger (optional)
18. Electromagnetic brake
19. Front steering, driving and braking wheel
20. Electromagnetic brake unlock screws
21. Serial number plate/technical data/EC certification
22. Rear wheels

View under tank covers (See Fig. 1)

1. Recovery water tank cover
2. Recovery water tank cover gasket
3. Detergent pump (optional)
4. Recovery water vacuum duct
5. Vacuum grid with automatic shut-off float
6. Float
7. Grid fasteners
8. Solution or washing water inlet opening
9. Detergent tank (optional)
10. Detergent tank filler plug (optional)
11. Detergent tank handle (optional)
12. Detergent supply hose (optional)
13. Solution or washing water tank cap
14. Cover stand
15. Recovery water tank
16. Tank for:

solution (machine not equipped with EDS-ECO

Dosage Solution)

• washing water (machine equipped with EDS-ECO

Dosage Solution)

View under tank assembly (See Fig. J)

1. Tank assembly
2. Batteries
3. Battery case
4. Battery connector
5. Battery caps
6. Battery connection diagrams
7. Detergent supply hose union (optional)
8. Detergent tank (optional)
9. Detergent pump (optional)

Brush/pad-holder deck and cylindrical brush deck view (See Fig. K)

1. Brush/pad-holder deck
2. Brush/pad-holder motors
3. Brush/pad-holder deck or cylindrical brush deck connector
4. Solution supply hose
5. Deck mounting knob
6. Deck cotter pins
7. Deck support
8. Brush
9. Pad-holder
10. Pad
11. Cylindrical brush deck connector
12. Connector protection cover
13. Cylindrical brush deck
14. Cylindrical brush motors
15. Brush/pad-holder deck side skirt
16. Cylindrical brush deck side skirt
17. Skirt upper mounting knob
18. Skirt lower mounting knob
19. Cylindrical brush
20. Cylindrical brush lids
21. Lid mounting knobs
22. Cylindrical brush debris container
23. Debris container handle

TECHNICAL DATA

General technical data
Description	BR 601	BR 651	BR 751/BR 751C
Cleaning width	610 mm	660 mm	740 mm
Squeezeeep width	830 mm		860 mm
Solution or washing water tank capacity	75 litres
Recovery water tank capacity	75 litres
Rear wheel diameter	300 mm
Wheel specific pressure on the ground	Less than 1.0 N/mm2
Front steering, driving and braking wheel diameter	250 mm
Vacuum system motor power	500 W
Drive system motor power	600 W
Drive speed (variable)	0 to 6 km/h
Gradeability	16%
Sound pressure level at workstation	67.5 dB(A)
Vibration level at the operator's arms (*)	0.23 – 7.5 m/s2
Vibration level at the operator's body (*)	Less than 1.2 m/s2
Batteries	24 V battery box, 240 Ah/5 h (WET) 240 Ah C5
	24 V battery box, 240 Ah/5 h (GEL) (optional) 240 Ah C5
	4 6 V batteries, 180 Ah/5 h (WET) 180 Ah C5
	4 6 V batteries, 180 Ah/5 h (GEL) (optional) 180 Ah C5
Battery compartment size	24 V battery box: 355 x 606 x 370 mm
	4 6 V batteries, with case: 530 x 380 x 300 mm
Vacuum system capacity	1,800 mmH2O
Machine height	1,250 mm
Machine maximum length	1,450 mm
Machine width without squeezegee	658 mm	681.5 mm	758 mm

Technical data for machines with brush/pad-holder deck
Description	BR 601	BR 651	BR 751
Brush diameter	305 mm	330 mm	370 mm
Weight without batteries and with empty tanks	140 kg
Maximum weight with batteries and full tanks	385/470 kg
Brush/pad-holder motor power	400 W
Brush/pad-holder rotation speed	190 rpm
Brush/pad-holder pressure with extra-pressure function turned off	30 kg
Brush/pad-holder pressure with extra-pressure function turned on	50 kg
Technical data for machines with cylindrical brush deck
Description	BR 751C
Cylindrical brush size (diameter x length)	145 x 690 mm
Weight without batteries and with empty tanks	140 kg
Maximum weight with batteries and full tanks	385/470 kg
Cylindrical brush motor power	600 W
Cylindrical brush rotation speed	748 rpm
Cylindrical brush pressure	33.4 kg

(*) Under normal working conditions, on a level asphalt surface.

WIRING DIAGRAM

(See Fig. L)

BAT: 24V battery

BE: Flashing light

BRX: Electromagnetic brake

BZ1: Reverse gear warning buzzer/horn

C1: Battery connector

C2: Battery charger auxiliary connector

C3: Battery charger external fan auxiliary connector

CH: Battery charger (optional)

CS: Brush/pad-holder deck connector

CS: Cylindrical brush deck secondary connector

EB1: Function electronic board

EB2: Drive system electronic board

EB3: Electronic board (under the control panel)

EB3/2: Electronic board (under control panel) (optional)

EV1: Washing water solenoid valve

F1: Function electronic board fuse

F2: Drive system electronic board fuse

F3: Low power circuit fuse

F4: Pump fuse (optional)

K1: Ignition switch

LD1: Drive system electronic board diagnostic warning light

M1: Left brush motor

M2: Right brush motor

M3: Vacuum system motor

M4: Brush deck actuator

M5: Drive system motor

M6: Squeezegee actuator

M7: Washing water pump (optional)

M8: Detergent pump (optional)

M9: Cooling fan

PR1: Washing water level sensor

RV1: Working speed potentiometer

RV2: Speed potentiometer (pedal)

SW0: Emergency stop button

SW1: Actuator position 0 microswitch

SW2: Actuator position 1 microswitch

SW3: Actuator position 2 microswitch

SW4: Steering sensor

SW5: Seat microswitch

SW6: Reverse gear switch (if equipped)

Colour codes

BK: Black

BU: Blue

BN: Brown

GN: Green

GY: Grey

OG: Orange

PK: Pink

RD: Red

VT: Violet

WH: White

YE: Yellow

ELECTRICAL FUSES

Fuses

The following fuses are located under the cover (1, Fig. H):
Low power circuit protection fuse (F3) (5A): (2, Fig. H)
- Drive system electronic board protection fuse (F2) (60A): (3, Fig. H)
- Function electronic board protection fuse (F1) (100A): (4, Fig. H)
- When the machine is equipped with EDS-ECO Dosage Solution (optional), under the control panel (1, Fig. B) there is the following fuse:
- Pump protection fuse (F4) (3.15 A).

ACCESSORIES/OPTIONS

In addition to the standard components, the machine can be equipped with the following accessories/options, according to the machine specific use:

1. GEL batteries
2. Electronic battery charger
3. Brushes of different materials
4. Oil-proof squeegee blades
5. Front and rear wheels of different materials
6. EDS-ECO Dosage Solution
7. Flashing light

For further information concerning the above-mentioned optional accessories, contact an authorised Retailer.

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 particular 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 this machine can be seriously damaged if batteries are either installed or connected improperly. The batteries must be installed by qualified personnel only. Set the function electronic board and the built-in battery charger (optional) according to the type of batteries used (WET or GEL).

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)
- 46V batteries, 180 Ah C5 (WET)
- 46 V batteries, 180 Ah C5 (GEL)

The machine can be supplied in one of the following modes:

a) Batteries (WET or GEL) already installed on the machine and ready to be used.

1. Lift the covers (1 and 13, Fig. I) and check that the tanks (15 and 16) are empty, otherwise drain them through the drain hose (10, Fig. C) and the tap (24).
2. Close the covers (1 and 13, Fig. I).
3. Carefully lift the tank assembly (1, Fig. J).
4. Check that the batteries are connected to the machine with the connector (4, Fig. J).
5. Carefully close the tank assembly (1, Fig. J).
6. Insert the ignition key (12, Fig. B) and turn it to "l". If the green warning light (7a, Fig. B) turns on, the batteries are ready to be used. If the yellow or red warning light (7b or 7c, Fig. B) turns on, it is necessary to charge the batteries (see procedure in Maintenance chapter).

b) Batteries (WET) installed on the machine but without electrolyte.

1. Lift the covers (1 and 13, Fig. I) and check that the tanks (15 and 16) are empty, otherwise drain them through the drain hose (10, Fig. C) and the tap (24).
2. Close the covers (1 and 13, Fig. I).
3. Carefully lift the tank assembly (1, Fig. J).
4. Remove the caps (5, Fig. J) of the batteries (2).

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.

1. Fill up the battery cells with sulphuric acid for batteries (density 1.27 to 1.29kg at 25^ ) as shown in the Battery Manual.
   The correct quantity of sulphuric acid is shown in the Battery Manual.
2. To avoid damaging the floor, dry with a cloth both acid and water on the top of the batteries after charging.
3. Let the batteries rest and fill in with sulphuric acid as shown in the Battery Manual.
4. Charge the batteries (see the procedure in Maintenance chapter).

c) Without batteries

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

BATTERY INSTALLATION AND BATTERY TYPE SETTING (WET OR GEL)

According to the type of batteries (WET or GEL), set the electronic board of the machine and of the battery charger (if equipped), according to the following procedure:

Machine setting

1. Turn the ignition key (12, Fig. B) to "I" and pay attention to the following in the very first seconds of machine operation:

2. If the green warning light (7a) is flashing, the machine is set to GEL

3. If the red warning light (7c) is flashing, the machine is set to WET

4. To change the settings, proceed as follows.

5. Turn off the machine by turning the ignition key (12, Fig. B) to "0".

6. Press and hold the switch (6, Fig. B), then turn the ignition key (12, Fig. B) to "I".
7. Release the switch (6, Fig. B) at least 5 seconds after starting the machine.
8. Press again the switch (6, Fig. B) for a few seconds and check that the warning light of the required setting is flashing.

Battery charger setting (if equipped)

1. Remove the screws (5, Fig. H) and the panel (1).
2. Turn the selector (6, Fig. H) to "WET" or "GEL" according to the type of batteries installed.
3. Install the panel (1, Fig. H) and tighten the screws (5).

Battery installation

1. Lift the covers (1 and 13, Fig. I) and check that the tanks (15 and 16) are empty, otherwise drain them through the drain hose (10, Fig. C) and the tap (24).
2. Close the covers (1 and 13, Fig. I).
3. Carefully lift the tank assembly (1, Fig. J).
4. Install the batteries and connect them according to the diagram (6, Fig. J).

CAUTION!

If a battery box is installed, place it on the left side of the machine, to allow the tank assembly (1, Fig. J) to be closed correctly.

Battery charging

1. Charge the batteries (see the procedure in Maintenance chapter).

BEFORE START-UP

WARNING!

At every machine start-up, check that, between the deck (4 or 5, Fig. C) and the machine or between the squeegee (12, Fig. C) and the machine, there is no foreign material which may prevent the deck and the squeegee from lifting. This check is necessary because, if the machine has been turned off without lifting the deck and the squeegee, when turned on again, the deck and the squeegee lift automatically.

Deck installation/removal

The machine can be equipped with either the brush/pad-holder deck (4, Fig. C) 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 deck and squeegee matching, see the Technical Data paragraph.

Brush/pad-holder installation/removal

1. According to the kind of cleaning to be carried out, the machine can be equipped either with brushes (8, Fig. K) or pad-holders (9) with pads (10) together with the appropriate deck.

For the installation/removal, proceed as follows.

1. Insert the ignition key (12, Fig. B) and turn it to "I".

WARNING!

Before pressing the switch (4, Fig. B), always check that, between the deck (4, Fig. C) and the machine there is no foreign material which may prevent the deck from lifting.

1. Lift the deck by pressing the switch (4, Fig. B).
2. Turn the ignition key (12, Fig. B) to "0" and remove it.
3. Install the brushes/pad-holders (8 or 9, Fig. K) and lift them completely, then turn them clockwise (see the arrows in Fig. K) until the end of stroke.
4. To remove the brushes/pad-holders, carry out steps 2 to 5 in the reverse order.

Cylindrical brush installation/removal

1. Insert the ignition key (12, Fig. B) and turn it to "I".

WARNING!

Before pressing the switch (4, Fig. B), always check that, between the deck (5, Fig. C) and the machine there is no foreign material which may prevent the deck from lifting.

1. Lift the deck by pressing the switch (4, Fig. B).
2. Turn the ignition key (12, Fig. B) to "0" and remove it.
3. On both sides of the machine, unscrew the knobs (17, Fig. K) and remove the side skirt assemblies (16).
4. Unscrew the knobs (21, Fig. K) and remove the lids (20) by pushing the knobs downwards.
5. Install the cylindrical brushes (19).

The cylindrical brushes can be installed on either sides.

1. Install the lids (20, Fig. K) and fasten them with the knobs (21).
2. To remove the cylindrical brushes, carry out steps 7 to 13 in the reverse order.

Squeegee installation

NOTE

The squeegee and the deck must have the same width. For correct deck and squeegee matching, see the Technical Data paragraph.

1. Install the squeegee (12, Fig. C) and fasten it with the handwheels (15), then connect the hose (11) to the squeegee.
2. Using the handwheel (16, Fig. C), adjust the squeezegee so that its rear blade (18) - in all its length - touches the floor and that the front blade (17) is slightly detached from the floor.

Solution or washing water tank filling

1. Open the cover (13, Fig. I).
2. (For machines without EDS-ECO Dosage Solution) Fill the solution tank (16, Fig. I) with a solution suitable for the work to be carried out.

Do not fill the solution tank completely, leave few inches from the edge.

Always follow the dilution instructions on the label of the chemical product (detergent) used to create the solution. The solution temperature must not exceed 40^ .

CAUTION!

Use only low-foam and non-flammable detergents, intended for automatic scrubber applications.

(For machines with EDS-ECO Dosage Solution) Fill the washing water tank (16, Fig. I) with water. Do not fill the washing water tank completely, leave a few inches from the edge. The water temperature must not exceed 40^ .

Detergent tank filling (optional)

(For machines with EDS-ECO Dosage Solution)
19. Open the cover (13, Fig. I).
20. Fill the tank (16, Fig. 1) with a detergent suitable for the work to be carried out (highly concentrated detergents). Do not fill the detergent tank completely, leave a few inches from the edge.

CAUTION!

Use only low-foam and non-flammable detergents, intended for automatic scrubber applications.

NOTE

If the supply hose (12, Fig. I) is empty (in case of new system, system emptied for cleaning, etc.), in order to fill the hose quickly, it may be useful to drain the EDS-ECO Dosage Solution once or several times (see the procedure in Maintenance chapter).

Operator's position adjustment

1. Using the lever (1, Fig. C), adjust the inclination of the steering wheel (2) to reach a comfortable position.

MACHINE START AND STOP

Start

1. Prepare the machine as shown in the previous paragraph.
2. Turn the ignition key (12, Fig. B) to "I" without pressing the forward gear pedal (3, Fig. C). Check if the green warning light (7a, Fig. B) turns on.
   If the yellow or red warning light (7b o 7c, Fig. B) turns on, turn the key back to "0", then charge the batteries (see the procedure in Maintenance chapter).
3. Drive the machine to the working area, by keeping the hands on the steering wheel and pressing the pedal (3, Fig. C) on the front side to move forward and on the rear side to move backward.
   The drive speed can be adjusted from zero to maximum speed according to the pressure on the pedal (3, Fig. C).

NOTE

The seat (25, Fig. C) is equipped with a safety sensor, which allows the machine to be moved with the pedal (3, Fig. C) 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 gear pedal.

The reduction of speed when turning is not a malfunction but a characteristic that improves the machine stability in every condition.

1. Lower the brush/pad-holder deck and the squeezegee by pressing the switch (6, Fig. B).
2. Press the solution flow control switches (10, Fig. B) according to the type of cleaning to be carried out.
3. Start scrubbing, by turning the steering wheel (2, Fig. C) and moving the machine forward by pressing the pedal (3).
4. If necessary, adjust the working speed using the maximum speed adjuster (11, Fig. B). The adjuster is enabled only when the machine is operating (scrubbing and/or drying).

Stopping the machine

1. Release the pedal (3, Fig. C).
2. It is not necessary to lock the machine during stopping or parking, because the electromagnetic brake (27, Fig. C) turns on automatically when the gear pedal is not pressed.
3. Lift the brush/pad-holder deck and the squeezegee by pressing the switch (6, Fig. B).

MACHINE OPERATION

1. Start the machine as shown in the previous paragraph.
2. If necessary, adjust the solution flow by pressing the switches (10, Fig. B).

Detergent flow percentage adjustment

(For machines with EDS-ECO Dosage Solution (optional))

1. Turn on the mixing system by pressing the switch (9, Fig. B): the relevant warning light turns on.
2. Press again the switch (9, Fig. B) and hold it (for about 5 seconds) until the warning light flashes.
3. Read on the display (8, Fig. B) the previously set detergent percentage value and, if necessary, change it by repeatedly pressing the switch (9) until the desired value is displayed.
4. Wait for the switch warning light (9, Fig. B) to stop flashing: the new percentage value is now set.

Squeezegee adjustment

1. If necessary, stop the machine and adjust the balancing handwheel (16, Fig. C) of the squeegee (12).

CAUTION!

To avoid any damage to the floor surface, stop the brush/pad-holder rotation 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 disabled.

1. 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 (5, Fig. B).
2. To return to normal pressure, press the switch (5, Fig. B) again.

The switch (5, Fig. B) is enabled only when the deck (4, Fig. C) is lowered and the switch warning light (4, Fig. B) is on.

CAUTION!

In case of brush/pad-holder motor overload, due to foreign material which prevent the brushes/pad-holders 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 condition is shown by the three warning lights (7a, 7b, 7c, Fig. B) 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 (12,

Fig. B) to "0". Restart the machine by turning the ignition key to "I".

Battery discharge during operation

1. Until the green warning light (7a, Fig. B) stays on, the batteries allow the machine to work normally. When the green warning light (7a) turns off and first the yellow warning light (7b) and then the red warning light (7c) turn on, it is necessary to charge the batteries.

2. When the yellow warning light (7b) turns on, the machine residual autonomy will last for a few minutes (depending on battery type).

3. When the red warning light (7c) turns on the machine autonomy is over: after a few seconds the brushes/pad-holders are automatically stopped and the deck is automatically lifted. Only the machine vacuum and drive systems still operate, just to dry the wet floor and move the machine to the charging 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 to move the machine, see

Pushing/towing the machine paragraph.

TANK EMPTYING

An automatic float shut-off system (5, Fig. I) stops the vacuum system when the recovery water tank (15) is full.

The vacuum system deactivation is signalled by a sudden increase in the vacuum system motor noise frequency.

When the recovery water tank (15, Fig. I) is full, empty it according to the following procedure.

Recovery water tank emptying

1. Stop the machine by releasing the pedal (3, Fig. C).
2. Lift the brush/pad-holder deck and the squeezegee by pressing the switch (4, Fig. B).
3. Drive the machine to the appointed disposal area.
4. Empty the recovery water tank through the hose (10, Fig. C). After working, rinse the tank with clean water.

Solution or washing water tank emptying

1. Carry out steps 1 to 3.
2. Empty the solution or washing water tank using the tap (24, Fig. C). After working, rinse the tank with clean water.

AFTER USING THE MACHINE

After working, before leaving the machine:

1. Remove the brushes/pad-holders according to the procedure shown in the relevant paragraph.
2. Empty the tanks (15 and 16, Fig. I) 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.

To push/tow the machine easily when the drive system cannot be used, unlock the electromagnetic brake (27, Fig. C) according to the following procedure:

• Screw down completely the internal screws (29, Fig. C) (by turning them clockwise) with the supplied key.
  When pushing/towing procedure is over, unscrew the screws (29, Fig. C) for 3 turns approximately, to lock the electromagnetic brake (27).

WARNING!

If the screws (29, Fig. C) are not unscrewed as shown, the electromagnetic brake is deactivated.

WARNING!

Do not start the machine when the electromagnetic brake unlocking screws (29, Fig. C) are screwed (electromagnetic brake deactivated).

MACHINE LONG INACTIVITY

If the machine is not going to be used for more than 30 days, proceed as follows:

1. Perform the procedures shown in After using the machine paragraph.

2. Disconnect the battery red connector (4, Fig. J) by proceeding as follows:

3. Lift the covers (1 and 13, Fig. I) and check that the tanks (15 and 16) are empty, otherwise drain them through the drain hose (10, Fig. C) and the tap (24).

4. Close the covers (1 and 13, Fig. I).

5. Carefully lift the tank assembly (1, Fig. J).

6. Drain the EDS-ECO Dosage Solution, according to the procedure shown in Maintenance chapter (only for machine equipped with EDS-ECO Dosage Solution (optional)).

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.

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 carried out with the machine off and the battery disconnected.

Moreover, before performing the maintenance, carefully read all the instructions in Safety chapter.

All scheduled or extraordinary maintenance procedures must be performed by qualified personnel, or by an authorised Service Center.

This Manual contains the Scheduled Maintenance Table and 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.

SCHEDULED MAINTENANCE TABLE

Procedure	Daily or after using the machine	Weekly	Every six months	Yearly
Squeezegee cleaning
Brush/cylindrical brush cleaning
Tank and vacuum grid with float cleaning
Battery charging
Squeezegee blade check and replacement
Side skirt check
Solution filter cleaning
Battery (WET) fluid level check
Screw and nut tightening check			(1)
Check and adjustment of driving belts from motors to cylindrical brushes			(2)
Squeezegee cable sliding shoe lubrication			(2)
Electromagnetic brake efficiency check			(2)
Brush/pad-holder motor carbon brush check or replacement				(2)
Vacuum system motor carbon brush check or replacement				(2)
Drive system motor carbon brush check or replacement				(2)

(1): After the first 8 working hours
(2): This maintenance procedure must be performed by an authorized Nilfisk-Advance Service Center

MACHINE WORKING HOUR CHECK

1. Insert the ignition key (12, Fig. B) and turn it to "I".
2. In the first 5 seconds of machine operation, the display (8, Fig. B) shows the total number of working hours (scrubbing/drying) performed by the machine. Turn the ignition key (12, Fig. B) to "0".

SQUEEGEE CLEANING

NOTE

The squeezegee 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. Drive the machine on a level floor.
2. Insert the ignition key (12, Fig. B) and turn it to "I".
3. Lower the squeegee (12, Fig. C) by pressing the switch (6, Fig. B).
4. Turn the ignition key (12, Fig. B) to "0".
5. Disconnect the vacuum hose (11, Fig. C) from the squeegee.
6. Loosen the handwheels (15, Fig. C) and remove the squeegee (12).
7. Wash and clean the squeezegee. In particular, clean the compartments (1, Fig. F) and the hole (2) from dirt and debris. Check the front blade (3) and the rear blade (4) for integrity, cuts and tears; otherwise replace them.
8. Assemble in the reverse order of disassembly.

SQUEEGEE BLADE CHECK AND REPLACEMENT

1. Clean the squeegee as shown in the relevant paragraph.

2. Check that the edges (5 and 12, Fig. F) of the front (17, Fig. C) and rear blades (18) lay down on the same level, along all their length; otherwise adjust their height according to the following procedure:

3. Disengage the fastener (6, Fig. F) and loosen the wing nuts (7) to adjust the rear blade (4); then tighten the wing nuts and engage the fastener.

4. Loosen the wing nuts (8, Fig. F) to adjust the front blade (3); then tighten the wing nuts.

5. Check the front blade (3, Fig. F) and the rear blade (4) for integrity, cuts and tears; otherwise replace them according to the following procedure. Check that the front corner (9) of the rear blade is not worn; otherwise, 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.

6. To replace (or overturn) the rear blade (4) disengage the fastener (6), unscrew the wing nuts (7) and remove the retaining strip (10). Install the blade in the reverse order of removal.

7. To replace the front blade (3) unscrew the wing nuts (8) and remove the retaining strip (11). Install the blade in the reverse order of removal.

After replacing (or overturning) the blades, adjust the blade height as shown in the previous step.

1. Install the squeegee (12, Fig. C) and screw down the handwheels (15).
2. Connect the vacuum hose (11, Fig. C) to the squeezegee (12).
3. If necessary, adjust the squeegee balance adjusting handwheel (16, Fig. C).

BRUSH/CYLINDRICAL BRUSH CLEANING

CAUTION!

It is advisable to wear protective gloves when cleaning the brushes because there may be sharp debris.

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

TANK AND VACUUM GRID WITH FLOAT CLEANING

1. Drive the machine to the appointed disposal area.
2. Turn the ignition key (12, Fig. B) to "0".
3. Lift the covers (1 and 13, Fig. I).
4. Clean and wash with clean water the covers (1 and 13, Fig. I), the tanks (15 and 16) and the grid (5) of the vacuum automatic shut-off. Drain the water in the tanks through the hose (10, Fig. C) and the tap (24).
5. If necessary, release the fasteners (1, Fig. G) and open the grid (2); recover the float (3), clean all the components and then reinstall them.
6. Check the tank cover gasket (4, Fig. G) for integrity.

NOTE

The gasket (4, Fig. G) creates vacuum in the tank, which is necessary for vacuuming the recovery water.

If necessary replace the gasket (4, Fig. G) by removing it from its housing (5). When assembling the new gasket, install the joint (6) in the rear central area, as shown in the figure.

1. Check the seating surface (7, Fig. G) of the gasket (4) for integrity and sealing capabilities.
2. Close the covers (1 and 13, Fig. I).

DETERGENT TANK CLEANING (Optional)

If equipped, clean the detergent tank (9, Fig. I) (optional) according to the following procedure:

• Lift the tank assembly (1, Fig. J).
  Unscrew the union (7, Fig. J) and remove the hose from the tank (8).
• To remove the tank (8, Fig. J) release the fastener.
• Wash and clean the detergent tank (8, Fig. J) in the appointed detergent disposal area.
• Install the tank (8, Fig. J) and connect the union (7).
• Carefully close the tank assembly (1, Fig. J).

EDS-ECO DOSAGE SOLUTION DRAINING (Optional)

1. Clean the detergent tank, then remove the detergent remained in the hoses and in the pump.
2. Drive the machine to the appointed detergent disposal area.
3. Turn the ignition key (12, Fig. B) to "I".
4. Turn on the EDS-ECO Dosage Solution by pressing the switch (9, Fig. B). Check that the green warning light turns on.
5. Simultaneously press the switches (9 and 10a, Fig. B), until the warning light of the switch (9) start flashing (after about 5 seconds).
6. Release the switches and wait for the switch warning light (9, Fig. B) to stop flashing.
7. Turn the ignition key (12, Fig. B) to "0".
8. Open the cover (13, Fig. I) and check that the hose (12) is empty, otherwise repeat steps 3 to 8.

NOTE

The draining cycle lasts about 10 seconds, then the vacuum function automatically turns on, which allows to remove the detergent remained.

NOTE

The draining cycle can also be performed with the detergent tank (9, Fig. 1) full of water, thus cleaning the system thoroughly. It is advisable to perform the draining cycle when the EDS-ECO Dosage Solution is really dirty/encrusted because the machine has not been used/cleaned for a long time.

NOTE

The draining cycle can be performed also to quickly fill the detergent supply hose (12, Fig. I) when the tank (9) is full but the hose (12) is still empty.

NOTE

If necessary, the draining cycle can be repeatedly performed.

SIDE SKIRT CHECK AND REPLACEMENT

Check

1. Drive the machine on a level floor.

2. Turn the ignition key (12, Fig. B) to "0".

3. On both sides of the machine, unscrew the knobs (2, Fig. D) and remove the side skirt assemblies (3).

4. Wash and clean the side skirts.

5. Check that the side skirt lower edge (4, Fig. D):

6. lays down on the same level, along all its length
   is integral and free from cuts and lacerations
   has the inner corner (5, Fig. D) that is not worn.

Otherwise overturn or replace the skirts according to the following procedure.

Overturning or replacement

1. Unscrew the wing nuts (6, Fig. D) and remove the retaining strip (7).
2. Remove the skirt blade (8, Fig. D) and, if possible, overturn the blade to replace the lower inner corner (5) with an integral one. If the other three corners are all worn, replace the blade.

Assembly and height adjustment

1. Install the blades (8, Fig. D) and the skirt assemblies (3) in the reverse order of disassembly.
2. Start the machine and lower the deck (4, Fig. C), then check that the side skirt blades (8, Fig. D):

slightly touch the floor
- during machine operation, the side blades (8, Fig. D) collect the solution, otherwise stop the machine and adjust the skirt height using the knobs (2) and (9). After adjusting, tighten the knobs.

SOLUTION FILTER CLEANING

1. Drive the machine on a level floor.
2. Turn the ignition key (12, Fig. B) to "0".
3. Operating under the machine, behind the rear right wheel, close the solution or washing water tap (5, Fig. E). The tap (5, Fig. E) is closed when it is on the position (6) as to the hoses; it is open when it is on the position (7).
4. Remove the transparent cover (1, Fig. E) and the strainer (2) under the machine, in front of the rear right wheel. Clean and assemble the components on the support (3).

NOTE

Properly install the strainer (2, Fig. E) in the housing (4) of the support (3).

1. Reopen the tap (5, Fig. E).

BATTERY CHARGING

NOTE

Charge the batteries when the yellow and the red warning lights (7b or 7c, Fig. B) turn on, or when finishing cleaning.

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.

CAUTION!

The battery charger must be appropriate for the batteries installed on the machine.

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 the skin or eyes, rinse thoroughly with water and consult a physician.

Charging the batteries with an external battery charger

1. Drive the machine on a level floor.
2. Lift the covers (1 and 13, Fig. I) and check that the tanks (15 and 16) are empty, otherwise drain them through the drain hose (10, Fig. C) and the tap (24).
3. Close the covers (1 and 13, Fig. I).
4. Carefully lift the tank assembly (1, Fig. J).

5. For WET batteries only:

6. Check the level of electrolyte inside the batteries (2, Fig. J). If necessary, adjust the level through the caps (5, Fig. J).

7. Leave the caps (5, Fig. J) open for the next battery charge.
   If necessary, clean the upper surface of the batteries.

8. Check that the external battery charger is suitable by referring to the Battery Charger Manual. The battery charger voltage rating shall be 24V .

9. Disconnect the battery connector (4, Fig. J) and connect it to the external battery charger.
10. Connect the battery charger to the electrical mains.
11. When the recharging is complete, disconnect the battery charger from the electrical mains and from the battery connector (4, Fig. J).
12. (For WET batteries only) Check the level of electrolyte inside the batteries and close all the caps (5, Fig. J).
13. Connect the battery connector (4, Fig. J) to the machine.
14. Carefully close the tank assembly (1, Fig. J).
15. Fill the tanks (15 and 16, Fig. I); now the machine is ready to be used.

Battery charging with (optional) battery charger installed on the machine

1. Drive the machine on a level floor.

2. For WET batteries only:

3. Lift the covers (1 and 13, Fig. I) and check that the tanks (15 and 16) are empty, otherwise drain them through the drain hose (10, Fig. C) and the tap (24).

4. Close the covers (1 and 13, Fig. I).
5. Carefully lift the tank assembly (1, Fig. J).
6. Check the level of electrolyte inside the batteries (2, Fig. J). If necessary, adjust the level through the caps (5, Fig. J).

7. When the correct level is reached, close the caps (5, Fig. J) and clean, if necessary, the upper surface of the batteries.

8. Connect the battery charger cable plug (8, Fig. C) to the electrical mains (voltage and frequency must be compatible with the battery charger values 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 (7, Fig. H) on the battery charger control panel stays on, the battery charger is charging the batteries.

1. When the green warning light (9, Fig. H) turns on, the battery charging is completed.
2. Once the battery charging is completed, disconnect the battery charger cable plug (8, Fig. C) from the electrical mains, then roll up the cable and insert it into its housing (7).

3. For WET batteries only:

4. Carefully close the tank assembly (1, Fig. J).

5. Fill the tanks (15 and 16, Fig. I).
6. Now the machine is ready to be used.

NOTE

For further information about the battery charger (10, Fig. H) operation, see the relevant Manual.

FUSE CHECK/REPLACEMENT

1. Turn the ignition key (12, Fig. B) to "0".
2. Unscrew the nuts (5, Fig. H) and carefully remove the cover (1).
3. Check/replace the drive system electronic board protection fuse (60A): (3, Fig. H)
4. Install the cover and screw the nuts.

BRUSH/PAD-HOLDER DECK OR CYLINDRICAL BRUSH DECK DISASSEMBLY/ASSEMBLY

NOTE

According to the following instructions, it is possible to install on the machine either the brush/pad-holder deck (1, Fig. K) or the cylindrical brush deck (16).

To assemble/disassemble the deck it is not necessary to remove the brushes/pad-holders.

Disassembly

1. Drive the machine on a level floor.
2. Lower the deck (4 or 5, Fig. C) by pressing the switch (4, Fig. B).
3. Turn the ignition key (12, Fig. B) to "0".
4. (For brush/pad-holder deck) Disconnect the electrical connector (3, Fig. K).

(For cylindrical brush deck) Disconnect the electrical connectors (3 and 11, Fig. K), then install the protection cover (12) on the connector.

1. Disconnect the solution supply hose (4, Fig. K).
2. Remove the two cotter pins (6, Fig. K).
3. Unscrew the knob (5, Fig. K) and remove the brush/pad-holder deck (1) or the cylindrical brush deck (13).

Assembly

1. Assemble in the reverse order of disassembly.

SAFETY FUNCTIONS

The machine is equipped with the following safety functions.

EMERGENCY STOP BUTTON

It is located in a position (2, Fig. B) 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 machine movement and brush rotation 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 stop button is pushed and when the forward gear pedal is not pressed.

TROUBLESHOOTING

TROUBLE	POSSIBLE CAUSE	REMEDY
The motors do not work; no warning light turns on	Disconnected battery connector (4, Fig. J)	Connect
	Completely discharged batteries	Charge
The machine does not move	The machine has been turned on with the ignition key (12, Fig. B) while pressing the pedal (3, Fig. C)	Turn the machine off and then turn it on without pressing the gear pedal
At the machine start-up, the warning light (4, Fig. B) 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 (4, Fig. B)
The warning lights (7, Fig. B) flash simultaneously	Brush motor overload	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 (7c, Fig. B) is on	Discharged batteries	Charge
Insufficient dirty water vacuuming	Full recovery water tank (15, Fig. I)	Empty
	Clogged vacuum grid (5, Fig. I) or stuck closed float	Clean
	Hose (11, Fig. C) disconnected from the squeezegee	Connect
	Dirty squeezegee (12, Fig. C), or worn or damaged squeezegee blades	Clean the squeezegee or overturn/replace the blades
	Incorrectly closed tank cover, or damaged gasket (2, Fig. I)	Correctly close the cover or clean/replace the gasket
Insufficient solution or washing water flow to the brushes	Empty solution or washing water tank	Fill
	Dirty solution filter (2, Fig. E)	Clean
	Dirty tank (16, Fig. I), clogged output hole	Clean
Insufficient detergent flow to the brushes (for machine equipped with EDS-ECO Dosage Solution)	Detergent flow percentage too low	Increase it, according to the procedure shown in the relevant chapter
	Detergent supply hose empty	Drain the EDS-ECO Dosage Solution, with the detergent tank (9, Fig. I) full, until the supply hose (12, Fig. I) is full.
	Clogged EDS-ECO Dosage Solution	Drain the EDS-ECO Dosage Solution, with the detergent tank (9, Fig. I) full of water, to thoroughly clean the system.
Marks caused by the squeezegee	Debris under the squeezegee blades	Clean
	Worn, chipped or torn squeezegee blades	Overturn or replace
	The squeezegee has not been balanced with the handwheel (16, Fig. C)	Balance

NOTE

If the machine has an optional battery charger installed, the machine cannot operate if the charger is not on board. In case of battery charger malfunction, contact an authorised Service Center.

For further information, apply to Nilfisk-Advance Service Centers.

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 Nilfisk-Advance Center especially when scrapping electrical and electronic components.

INLEIDING 2

DOEL EN INHOUD VAN DEZE HANDLEIDING 2

BETREFFENDE PERSONEN 2

OPBERGEN VAN DE HANDLEIDING 2

BEWIJS VAN CONFORMITEIT 2

IDENTIFICATIEGEGEVENS 2

ANDERE GEBRUIKERSHANDLEIDINGEN 2

VERVANGINGSONDERDELEN EN ONDERHOUD 2

MODIFICATIONS EN VERBETERINGEN 2

VEILIGHEID 2

GEBRUIKTE SYMBOLEN 3

ALGEMENE INSTRUCTIES 3

VERPAKKING VERWIJDEREN/AFLEVERING 4

BESCHRIJVING VAN DE MACHINE 5

BEDRIJFSCAPACITEIT 5

ALGEMENE OPMERKINGEN 5

BESCHRIJVING 5

ACCESSIONS / OPTIES 8

GEBRUIK 9

CONTROLE / VOORBEREIDINGEN VOOR EEN ACCU OP EEN NIEUWE MACHINE 9

MONTAGE VAN DE ACCU EN INSTellenEN VAN HET TYPE ACCU (WET OF GEL) 10

VOOR HET STARTEN 10

DE MACHINE STARTEN EN STOPPEN 12

MACHINE IN BEDRIJF 12

LEGEN VAN DE RESERVOIRS 13

NA GEBRUIK VAN DE MACHINE 14

DUW-/TREKBEWEGING VAN DE MACHINE 14

LANGE PERIODE VAN STILLSTAND 14

EERSTE GEBRUIKSPERIODE 14

ONDERHOUD 14

ONDERHOUDSSCHEMA 15

CONTROLE VAN DE BEDRIJFSUREN VAN DE MACHINE 15

REINIGING TREKKER 15

CONTROLE EN VERVANGING VAN DE RUBBERS VAN DE TREKKER 16

REINIGING VAN DE SCHIJFBORSTELS/CILINDRISCHE BORSTELS 16

REINIGING VAN DE RESERVOIRS EN VAN HET AANZUIGROOSTER MET VLOTTER 16

REINIGING VAN HET RESERVOIR MET REINIGINGSMIDDEL (optioneel) 16

EDS SPOELEN (TOEVOERSYSTEEM REINIGINGSMIDDEL) (optioneel) 17

CONTROLE EN VERVANGING VAN DE ZIJFLAPS 17

REINIGING VAN HET FILTER VAN HET REINIGINGSMIDDEL 18

ACCU'S OPLADEN 18

CONTROLE / VERVANGING VAN DE ZEKERINGEN 19

DEMONTAGE/MONTAGE VAN HET SCHROBDEK VAN DE SCHIJFBORSTELHOUDER/PADHOUDER

OF HET SCHROBDEK MET DE HOUDER VOOR DE CILINDRISCHE BORSTELS 19

VEILIGHEIDSFUNCTIES 19

KNOP VOOR NOODSTOP 19

VERMINDERING VAN DE SNELHEID IN BOCHTEN 19

MICROSCHAKELAAR VAN DE BESTUURDERSTSOEL 19

ELEKTROMAGNETISCHE REM 19

STORINGEN LOKALISEREN 20

VERWIJDERING 20

INLEIDING

DOEL EN INHOUD VAN DEZE HANDLEIDING

ACCESSORIES / OPTIES

• GEVAAR
  LETOP
  WAARSCHUWING
• ADVIES