Nilfisk-ALTO SCRUBTEC 234 C User manual

Brand: Nilfisk-ALTO

Model: SCRUBTEC 234 C

Category: Floor Machine

Type: User manual

SCRUBTEC 234 C

USER MANUAL

02/12

(2)

9099346000

BETRIEBSANLEITUNG

ORIGINALANLEITUNG

MANUEL D’UTILISATION

INSTRUCTIONS D’ORIGINE

USER MANUAL

ORIGINAL INSTRUCTION

GEBRUIKSAANWIJZING

ORIGINELE INSTRUCTIES

DEUTSCH

FRANÇAIS

ENGLISH

NEDERLANDS

Model: 9087133020

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Strada Comunale della Braglia, 18 - 26862 - GUARDAMIGLIO (LO) - ITALY

Tel: +39 (0)377 451124, Fax: +39 (0)377 51443

Authorized signatory: Per Sonne Sorensen, Managing Director

Date: Signature:

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USER MANUAL ENGLISH

SCRUBTEC 234 C - 9099346000 1

TABLE OF CONTENTS

INTRODUCTION ..............................................................................................................................................................2

MANUAL PURPOSE AND CONTENTS ..........................................................................................................................................2

TARGET ...........................................................................................................................................................................................2

HOW TO KEEP THIS MANUAL .......................................................................................................................................................2

DECLARATION OF CONFORMITY ................................................................................................................................................2

IDENTIFICATION DATA ...................................................................................................................................................................2

OTHER REFERENCE MANUALS ...................................................................................................................................................2

SPARE PARTS AND MAINTENANCE .............................................................................................................................................2

CHANGES AND IMPROVEMENTS ................................................................................................................................................2

OPERATION CAPABILITIES ........................................................................................................................................................... 3

CONVENTIONS ..............................................................................................................................................................................3

UNPACKING/DELIVERY ................................................................................................................................................. 3

SAFETY ........................................................................................................................................................................... 3

VISIBLE SYMBOLS ON THE MACHINE .........................................................................................................................................3

SYMBOLS THAT APPEAR ON THIS MANUAL ...............................................................................................................................4

GENERAL INSTRUCTIONS ............................................................................................................................................................4

MACHINE DESCRIPTION ...............................................................................................................................................6

MACHINE STRUCTURE .................................................................................................................................................................6

ACCESSORIES/OPTIONS ..............................................................................................................................................................7

TECHNICAL DATA ...........................................................................................................................................................................7

WIRING DIAGRAM ..........................................................................................................................................................................8

USE ..................................................................................................................................................................................9

BEFORE MACHINE START-UP ...................................................................................................................................................... 9

MACHINE OPERATION (SCRUBBING/DRYING) ......................................................................................................................... 10

TANK EMPTYING ...........................................................................................................................................................................11

MACHINE TRANSPORT ................................................................................................................................................................11

AFTER USING THE MACHINE ......................................................................................................................................................11

MAINTENANCE .............................................................................................................................................................12

SCHEDULED MAINTENANCE TABLE .........................................................................................................................................12

SQUEEGEE CLEANING, CHECK AND REPLACEMENT ............................................................................................................12

BRUSH CLEANING .......................................................................................................................................................................13

TROUBLESHOOTING ...................................................................................................................................................14

SCRAPPING ..................................................................................................................................................................14

ENGLISH USER MANUAL

2 SCRUBTEC 234 C - 9099346000

INTRODUCTION

NOTE

The numbers in brackets refer to the components shown in Machine Description chapter.

Thank you for choosing a Nilﬁ sk Alto scrubber-dryer.

Nilﬁ sk Alto Scrubtec 234 C scrubber-dryer is an efﬁ cient and superior quality machine for ﬂ oor cleaning.

The machine is equipped with one cylindrical brush for a cleaning width of 440 mm.

Front and rear squeegees clean out the ﬂ oor, while a vacuum system collects the dirty water, all in one wipe.

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 qualiﬁ ed technicians must read this Manual carefully. Contact

Nilﬁ sk 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 qualiﬁ ed to perform the machine maintenance.

The operators must not perform procedures reserved for qualiﬁ ed technicians. Nilﬁ sk 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, certiﬁ es 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 model and serial number are marked on the plate (26).

Product code and year of production are marked on the same plate.

This information is useful when requiring machine spare parts. Use the following table to write down the machine identiﬁ cation data.

MACHINE model ...............................................................................

PRODUCT code ................................................................................

MACHINE serial number ...................................................................

OTHER REFERENCE MANUALS

– Spare Parts List (supplied with the machine)

– Service Manual (that can be consulted at Nilﬁ sk Alto Service Centers)

SPARE PARTS AND MAINTENANCE

All necessary operating, maintenance and repair procedures must be performed by qualiﬁ ed personnel or by Nilﬁ sk Alto Service

Centers. Only original spare parts and accessories must be used.

Contact Nilﬁ sk Alto for service or to order spare parts and accessories, specifying the machine model, product code and serial

number.

CHANGES AND IMPROVEMENTS

Nilﬁ sk Alto constantly improves its products and reserves the right to make changes and improvements at its discretion without

being obliged to apply such beneﬁ ts to the machines that were previously sold.

Any change and/or addition of accessories must be approved and performed by Nilﬁ sk Alto.

USER MANUAL ENGLISH

SCRUBTEC 234 C - 9099346000 3

OPERATION CAPABILITIES

This scrubber-dryer is used to clean (scrubbing and drying) smooth and solid ﬂ oors, in civil or industrial environment, under safe

operation conditions by a qualiﬁ ed operator.

The scrubber-dryer cannot be used for ﬁ tted 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 in driving position

with the hands on the handlebar (8).

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 ﬁ ll

in a damage claim.

Please check that the following items have been supplied with the machine:

– Technical documents:

• Scrubber-dryer User Manual

• Scrubber-dryer Spare Parts List

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.

VISIBLE SYMBOLS ON THE MACHINE

WARNING!

Carefully read all the instructions before performing any operation on the machine.

WARNING!

Do not wash the machine with direct or pressurized water jets.

max.2%

WARNING!

Do not use the machine on slopes with a gradient exceeding the speciﬁ cations.

ENGLISH USER MANUAL

4 SCRUBTEC 234 C - 9099346000

SYMBOLS THAT APPEAR ON THIS MANUAL

DANGER!

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

WARNING!

It indicates a potential risk of injury for people.

CAUTION!

It indicates a caution or a remark 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

Speciﬁ c warnings and cautions to inform about potential damages to people and machine are shown below.

DANGER!

– Before performing any maintenance, repair, cleaning or replacement procedure disconnect the plug from

the electrical mains.

– This machine must be used by properly trained operators only.

– 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, ﬂ ammable and/or explosive powders, liquids or

vapours: This machine is not suitable for collecting dangerous powders.

WARNING!

– Before using the machine, close all doors and/or covers as shown in the User Manual.

– Do not tamper with the power supply cable plug. If the power supply cable plug cannot be connected to the

outlet, have appropriate outlet installed by a qualiﬁ ed technician, according to the law in force.

– Before connecting the power supply cable to the electrical mains, check that frequency and voltage, shown

on the machine serial number plate (1), match the electrical mains voltage.

– Do not unplug the machine by pulling the supply cable. To unplug, grasp the plug, not the cable.

– Do not handle the plug or the machine with wet hands.

– Turn off all controls before unplugging.

– Regularly check the power supply cable for damages, cuts, cracks and wear. If necessary, replace it.

– If the power supply cable is damaged, contact Nilﬁ sk Alto Service Center.

– Do not pull or carry the machine by the power supply cable and never use the power supply cable as a

handle. Do not close a door on the power supply cable, or pull the power supply cable around sharp edges

or corners. Do not run the machine on the power supply cable.

– The brush must not come into contact with the power supply cable.

– Keep the supply cable away from heated surfaces.

– To reduce the risk of ﬁ re, 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.

USER MANUAL ENGLISH

SCRUBTEC 234 C - 9099346000 5

WARNING!

– Always protect the machine against the sun, rain and bad weather, both under operation and inactivity

condition. Store the machine indoors, in a dry place: This machine must be used in dry conditions, it must

not be used or kept outdoors in wet conditions.

– This machine is not intended for use by persons (including children) with reduced physical, sensory or

mental capabilities, or lack of experience and knowledge, unless they have been given supervision or

instruction concerning use of the machine by a person responsible for they safety. Children should be

supervised to ensure that they do not play with the machine.

– Close attention is necessary when used near children.

– Use only as shown in this Manual. Use only Nilﬁ sk Alto’s recommended accessories.

– Take all necessary precautions to prevent hair, jewels and loose clothes from being caught by the machine

moving parts.

– Do not use the machine on slopes with a gradient exceeding the speciﬁ cations.

– Do not use the machine on incline.

– Do not use the machine in particularly dusty areas.

– While using this machine, take care not to cause damage to people or objects.

– Do not bump into furniture, shelves or scaffoldings, especially where there is a risk of falling objects.

– Do not put any can containing ﬂ uids on the machine.

– The machine working temperature must be between 0°C and +40°C.

– The machine storage temperature must be between 0°C and +40°C.

– The humidity must be between 30% and 95%.

– When using ﬂ oor cleaning detergents, follow the instructions on the labels of the detergent bottles.

– To handle ﬂ oor cleaning detergents, wear suitable gloves and protections.

– Do not use the machine as a means of transport.

– Do not allow the brush/pad to operate while the machine is stationary to avoid damaging the ﬂ oor.

– In case of ﬁ re, use a powder ﬁ re extinguisher, not a water one.

– Do not tamper with the machine safety guards and follow the ordinary maintenance instructions

scrupulously.

– 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

ﬂ ow.

– Do not remove or modify the plates afﬁ xed to the machine.

– 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 only brushes supplied with the machine or those speci

ﬁ ed in the User Manual. Using other brushes

could reduce safety.

– 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 the machine

• does not work properly

• is damaged

• has water or foam leaks

• has been left outdoors exposed to bad weather conditions

• is wet or has been dropped into water

turn it off immediately and contact Nilﬁ sk Alto Service Center or a qualiﬁ ed technician.

– 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 Center.

– Carefully read all the instructions before performing any maintenance/repair procedure.

– Do not wash the machine with direct or pressurised water jets, or with corrosive substances.

– The machine must be disposed of properly, because of the presence of toxic-harmful materials (electronic

components, etc.), which are subject to standards that require disposal in special centres (see the

Scrapping chapter).

ENGLISH USER MANUAL

6 SCRUBTEC 234 C - 9099346000

MACHINE DESCRIPTION

MACHINE STRUCTURE

1. Control panel

2. Main and brush motor switch

3. Vacuum system motor switch

4. Solution system switch

5. Solution ﬂ ow control switch

• One drop - Minimum solution ﬂ ow

• Two drops - Maximum solution ﬂ ow

6. Brush switches

7. Cable with power supply plug

8. Machine handlebar

9. Handlebar adjusting lever

10. Rear handgrip for transport

11. Front handgrip for transport

12. Solution ﬁ lter

13. Tank cover

14. Solution tank

15. Recovery tank

16. Brush and squeegee cover

17. Solution nozzle

18. Front squeegee

19. Rear squeegee

20. Cylindrical brush

21. Vacuum system motor pre-ﬁ lter

22. Filter-silencer

23. Vacuum system pre-ﬁ lter

24. Recovery tank with automatic shut-off ﬂ oat

25. Pedals for lifting/lowering the brush and the squeegees

26. Serial number plate/technical data/conformity certiﬁ cation

P100510

USER MANUAL ENGLISH

SCRUBTEC 234 C - 9099346000 7

ACCESSORIES/OPTIONS

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

machine speciﬁ c use:

– Brushes of different materials

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

TECHNICAL DATA

Description Values

Brush motor power 320 W

Vacuum system motor power 900 W

Solution pump power 25 W

Protection class (IP) X4

Protection class (electric) II

Brush diameter 100 mm

Brush motor speed 1000 rpm

Brush pressure on the ﬂ oor 21 kg

Vacuuming 1400 mmH

Sound pressure level at workstation (ISO 11201, ISO 4871, EN 60335-2-72) (LpA) 72 dB(A) ± 3 dB(A)

Machine sound pressure level (ISO 3744, ISO 4871, EN 60335-2-72) (LwA) 90 dB(A)

Vibration level at the operator’s arms (ISO 5349-1, EN 60335-2-72) 2.8 m/s

± 0.4 m/s

Cable length 15 m

Cleaning width 440 mm

Output (theoretic) 1,360 m

Solution ﬂ ow 1.3 / 1.7 l/min

Solution tank capacity 12 litres

Recovery tank capacity 12 litres

Maximum gradient when working 2%

Machine width 620 mm

Machine body width 400 mm

Machine width with squeegee 480 mm

Min/max machine height with adjustable handlebar 480/1,050 mm

Weight with empty tanks 38 kg

Maximum weight with full tank (GVW) 50 kg

Shipping weight

51 kg

Electrical system voltage

230 V - 50 Hz

Total absorbed power

1.2 kW

ENGLISH USER MANUAL

8 SCRUBTEC 234 C - 9099346000

WIRING DIAGRAM

Key

C1 Brush motor condenser

C2 Vacuum system condenser

K1 Brush motor relay

M1 Brush motor

M2 Vacuum system motor

M3 Solution pump motor

R1 Pump delivery resistance

S1 Main switch - brush activation

S2 Vacuum system switch

S3 Solution pump switch

S4 Pump delivery switch

S5,S6 Brush enabling switches

P100511

USER MANUAL ENGLISH

SCRUBTEC 234 C - 9099346000 9

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.

BEFORE MACHINE START-UP

Brush pressure adjustment

The machine is supplied with the brush (20) installed on the

deck.

To install/replace it, see the procedure in “Brush cleaning”

paragraph, under Maintenance chapter.

To adjust the pressure on the ﬂ oor, turn the knob (Fig. 1) as

shown:

Higher pressure Turn the screw to the

right.

Lower pressure Turn the screw to the

left.

Solution tank ﬁ lling

1. Fill the tank (14) with a solution suitable for the work to be

performed.

2. Do not ﬁ ll the solution tank completely, leave a few

centimetres from the edge (Fig. 2).

3. Always follow the dilution instructions on the label of the

chemical product used to prepare the solution.

4. The solution temperature must not exceed 40°C.

CAUTION!

Use only low-foam and non-ﬂ ammable

detergents, intended for automatic scrubber

applications.

WARNING!

When using ﬂ oor cleaning detergents, follow

the instructions on the labels of the detergent

bottles.

To handle ﬂ oor cleaning detergents, wear

suitable gloves and protections.

Adjustments

5. Adjust the inclination of the handlebar (8) with the lever (9)

to reach a comfortable position.

Figure 1

P100512

Figure 2

P100513

ENGLISH USER MANUAL

10 SCRUBTEC 234 C - 9099346000

MACHINE OPERATION (SCRUBBING/DRYING)

1. Prepare the machine as shown in the previous paragraph.

2. Clean or vacuum the ﬂ oor to remove any debris.

3. Connect the power supply plug (7) to the electrical mains.

WARNING!

Before connecting the power supply plug to

the electrical mains, check that frequency and

voltage, shown on the machine serial number

plate (26), match the electrical mains voltage.

4. Turn the main switch (2) to “I”, to turn on the brush motor.

5. Turn the switch (3) to “I”, to turn on the vacuum system

motor.

6. Turn the pump switch (4) to “I”, to turn on the solution ﬂ ow

to the brush.

7. Press the pedal (Fig. 3) to lower the brush and squeegees

on the ﬂ oor.

8. While keeping the hands on the handlebar, start the

machine by pressing the brush switches (6) and then start

scrubbing/drying the ﬂ oor.

9. With the switch (5) adjust the solution ﬂ ow according to the

type of cleaning to be performed.

• The switch is not pressed ( ): when the ﬂ oors to

be cleaned are not very dirty; in this condition, the

machine autonomy is 10 minutes approximately.

• The switch is pressed (

): when the ﬂ oors to be

cleaned are dirty or very dirty; in this condition, the

machine autonomy is 7 minutes approximately.

10. For a better result, the machine must run at a low speed.

11. In case of tough dirt, wash the ﬂ oor thoroughly by turning

the vacuum system switch (3) to “0”, then wash the ﬂ oor

again and then collect the liquids by turning the vacuum

system switch (3) to ON.

CAUTION!

To avoid damaging the ﬂ oor surface, do not use

the brush without the solution and, when the

machine is not operating, stop the brush.

12. At the end of the work, release the switches (6), turn

the main switch (2) to “0”, then lift the brush and the

squeegees with the pedal (Fig. 4).

Figure 3

P100514

Figure 4

P100515

USER MANUAL ENGLISH

SCRUBTEC 234 C - 9099346000 11

AFTER USING THE MACHINE

1. Turn the main switch (2) to “0”.

2. Lift the brush and the squeegees with the pedal (25).

3. Disconnect the plug from the electrical mains and roll up

the cable.

4. Drain the solution tank (14) and clean it with clean water.

5. Drain the recovery tank (15) and clean it with clean water.

6. Check the hoses and replace them if necessary.

7. Remove the brush (20) and clean it with clean water.

8. Check the inner channels of the squeegees (18 - 19) and

clean them with clean water.

9. Check the solution ﬁ lter (A, Fig. 5) and pre-ﬁ lter (B). Clean

them with clean water and replace them if necessary.

10. Check the drain ﬁ lter (C). Clean it with air and replace it if

it is clogged.

11. Store the machine in a clean and dry place.

Figure 5

P100516

TANK EMPTYING

WARNING!

At the end of every cleaning cycle, drain the recovery tank (15) to avoid that the dirty water is ejected from the

tanks (for example during an abrupt machine movement).

The recovery tank (15) is equipped with an automatic shut-off valve (24) to prevent the solution from entering the vacuum system.

When the vacuum ﬂ ow is closed, the recovery tank must be drained. The machine cannot collect water when the valve is closed.

When the recovery tank (15) is full, empty it according to the following procedure:

1. Turn the main switch (2) to “0”.

2. Disconnect the plug from the electrical mains.

3. Lift the brush and the squeegees with the pedal (25).

4. Drive the machine to the appointed disposal area.

5. Manually remove the recovery tank and empty it.

6. Then, rinse the recovery tank with clean water.

MACHINE TRANSPORT

1. Roll up the power supply cable to the relevant holder on the handlebar.

2. Unlock the handlebar (8) with the lever (9).

3. Turn the handlebar until the end of stroke, above the machine cover.

4. Lock it.

WARNING!

Do not lift the machine if the handlebar is bent. Transport the machine by lifting it with the speciﬁ ed handgrips

(10) and (11).

ENGLISH USER MANUAL

12 SCRUBTEC 234 C - 9099346000

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 deﬁ ned by the person in charge of the maintenance.

WARNING!

Maintenance procedures must be performed with the machine switched off and the power supply cable

disconnected from the electrical mains.

Moreover, carefully read the instructions in the Safety chapter.

All scheduled or extraordinary maintenance procedures must be performed by qualiﬁ ed personnel, or by an authorised Service

Center.

This Manual describes only the easier 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, after using

the machine

Weekly

Every six

months

Yearly

Brush cleaning

Squeegee cleaning

Tank and vacuum grid cleaning

Hose cleaning and check

Filter check and cleaning

Power supply cable check

Nozzle check

Squeegee blade check and replacement

Vacuum system motor carbon brush check and replacement (1)

(1) This maintenance procedure must be performed by Nilﬁ sk Alto authorised Service Center.

SQUEEGEE CLEANING, CHECK AND REPLACEMENT

NOTE

The squeegees must be clean and the blades must

be in good conditions in order to get a good drying.

CAUTION!

It is advisable to wear protective gloves when

cleaning the squeegees because there may be

sharp debris.

If the squeegee blades leave narrow water marks, they are

probably dirt or damaged. Remove the blades, clean them with

clean water and check their conditions.

Check the blades for integrity, cuts and tears; if necessary

replace them as shown below:

1. Turn the main switch (2) to “0”.

2. Disconnect the plug from the electrical mains.

3. Remove the tanks.

4. Tilt the machine backwards.

5. Remove the two screws from the squeegee (Fig. 6).

6. Remove the squeegee and replace the blades.

Figure 6

P100517

USER MANUAL ENGLISH

SCRUBTEC 234 C - 9099346000 13

BRUSH CLEANING

CAUTION!

It is advisable to wear protective gloves when

cleaning the brush because there may be sharp

debris.

WARNING!

Moving parts - Disconnect the plug from

the electrical mains before performing any

maintenance procedure on the machine.

Disassembly

1. Manually remove the screw (A, Fig. 7) by turning it

clockwise.

2. Remove the brush (B) from the deck.

3. Clean the brush with water and detergent.

4. Check the brush bristles for integrity and wear; if

necessary, replace the brush.

Assembly

5. Insert the brush with the hub guides (C, Fig. 7) on the drive

shaft (D) as shown in the ﬁ gure.

6. Manually tighten the screw (A) by turning it counter-

clockwise to fasten the brush (B) to the drive shaft.

Figure 7

P100518

WARNING!

If the machine is not perfectly assembled it can cause damages to people and properties. Always check that all

components are assembled before starting the machine. Carefully inspect the machine before using it.

Available cylindrical brushes and their relevant application guides (suggestions only)

Types of brushes available NYLON Aglite Grit

Concrete

Terrazzo ﬂ oor

Ceramic tiles/quarrystones

Marble

Vinyl tiles

Rubber tiles

ENGLISH USER MANUAL

14 SCRUBTEC 234 C - 9099346000

TROUBLESHOOTING

Trouble Possible Cause Remedy

There is no power supply. The motors do not

turn on.

The power supply cable is faulty or

disconnected from the electrical mains.

Replace the cable (*) or connect it.

There is a faulty switch on the panel. Replace the switch (*).

Dirty water vacuuming is insufﬁ cient or there is

no vacuuming.

The squeegees are dirty or the squeegee

blades are worn or damaged.

Clean or replace the squeegees.

The vacuum inlet is clogged. Clean.

The vacuum hose is disconnected or faulty. Clean, connect or replace.

The tank gasket is faulty. Replace.

The turbine pre-ﬁ lter is dirty. Clean.

The solution ﬂ ow is insufﬁ cient. The solution ﬁ lter is dirty. Clean or replace.

The brush does not turn. The driving belt is loose or torn. Adjust or replace (*).

The brush is not properly installed. Install properly.

The brush motor is faulty. Replace (*).

The squeegee leaves marks on the ﬂ oor.

There is debris under the squeegee blades. Remove the debris.

The squeegee blades are worn, chipped or

torn.

Replace the blades.

The ﬂ oor is not sufﬁ ciently cleaned. The brush is worn. Replace.

The brush is too soft. Use a harder brush.

The working speed is too fast. Work at a slowest speed.

(*) This maintenance procedure must be performed by Nilﬁ sk Alto authorised Service Center.

For further information refer to the Service Manual, available at any Nilﬁ sk Alto Service Center.

SCRAPPING

Have the machine scrapped by a qualiﬁ ed scrapper.

Before scrapping the machine, remove and separate the following materials, which must be disposed of properly according to the

Law in force:

– Brush

– Electrical and electronic components (*)

(*) Refer to the nearest Nilﬁ sk Alto Center especially when scrapping electrical and electronic components.

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HEAD QUARTER

DENMARK

Nilﬁsk-Advance Group

Sognevej 25

DK-2605 Brøndby

Tel.: (+45) 4323 8100

E-mail: mail.com@nilﬁsk-advance.com

www.nilﬁsk-alto.com

Nilfisk-ALTO SCRUBTEC 234 C User manual

Brand: Nilfisk-ALTO

Model: SCRUBTEC 234 C

Category: Floor Machine

Type: User manual

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