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Electrical System

Service Manual – SC2000

Electrical System

Functional Description

The batteries (2 x 12V) are connected together in se-

ries by the cables.

The battery charger (CH) is connected to the machine

by two connectors (C) (power connection to the batter-

ies) and C3 (4-way signal connection).

The grey and white cables (1 and 2 of connector C3)

are short circuited inside the battery charger CH

when this is not connected to the electrical mains. If

this connection is not made, all machine functions are

disabled.

If the optional battery charger has not been installed,

the relevant bridge must be used on connector C3.

The green cable (terminal 4 of connector C3) is the

data cable between electronic board (EB1) and bat-

tery charger (CH).

This connection allows the battery charger charging

curve to the be set directly from the machine dash-

board and to view the operational state of the battery

charger during charging directly on the dashboard

display.

Wiring Diagram

24V

J4.1

J4.2
J4.3

J4.1

J4.3

J4.4

Enabling from battery charger

Power supply from battery charger
Battery charger enabling power supply
Battery charger data communication

B-

B+

C1+

C1-

C2.A

24V BATTERIES

(BAT)

SIGNAL CIRCUIT

FUSE (F2)

BATTERY CONNECTOR

MAIN

BATTERY

CONNECTOR

BATTERY CONNECTOR

BATTERY CHARGER (CH)

(**)

(*)

FUNCTION ELECTRONIC

BOARD (EB1)

FUNCTION ELECTRONIC

BOARD FUSE (F1)

Figure 1

(*) Optional for BASIC version

(**) Version without on-board battery charger

Содержание SC2000

Страница 1: ...SC2000 Service Manual Advance SC2000 9087361020 Nilfisk SC2000 9087364020 9087360020 English 01 15 1 Form No 9100000401 ...

Страница 2: ...17 Frame System 18 Frame main parts 18 Control System 19 Functional Description 19 Wiring Diagram 19 Component Locations 20 Maintenance and Adjustments 21 Function Electronic Board EB1 Alarm Codes 21 Black box Recording of Alarms Parameters see pages 28 29 Partial Operating Time Counter 26 Main Screen 26 Alarm Log Screen 27 Machine Settings Screen 28 System for Flow Rate Adjustment as Function of ...

Страница 3: ...4 Recovery Tank Cleaning 54 Troubleshooting 55 Removal and Installation 56 Vacuum System Motor Amperage Test 56 Vacuum System Motor Unit Disassembly Assembly 57 Container and Vacuum System Motor Disassembly Assembly 58 Specifications 60 Scrub System Disc 61 Functional Description 61 Brush Engagement and Release System 61 Wiring Diagram 61 Brush Deck Actuator System 62 Component Locations 63 Brush ...

Страница 4: ...enance and Adjustments 89 Squeegee cleaning 89 Checking Replacing the Squeegee Blades 90 Troubleshooting 91 Removal and Installation 92 Squeegee Lifting Actuator Disassembly Assembly 92 Squeegee Tie Rod Disassembly Assembly 93 Specifications 94 Steering System 95 Functional Description 95 Component Locations 95 Specifications 96 Wheels Drive System 97 Functional Description 97 Wiring Diagram 98 Co...

Страница 5: ...the machine Please read this manual carefully before performing any maintenance and repair procedure on the machine Other Reference Manuals Model Product Code User Manual Spare Parts List Nilfisk SC2000 9087364020 9100000383 9100000384 Nilfisk SC2000 Full PKG 9087360020 Advance SC2000 9087361020 9100000386 9100000384 Assembly Instructions Instruction Code Machines concerned EcoFlex Kit 9100001071 ...

Страница 6: ...del and serial number Apply Retailer label here Serial Number Label Reference to Figure 1 The machine serial number and model name are marked on the plate see the example to the side Product code and year of production are marked on the same plate This information is useful when requiring ma chine spare parts Use the following table to write down the machine identification data Battery 24 Vdc 63 A...

Страница 7: ...erforming 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 specifications Symbols Note It indicates a remark related to important or useful functions Danger It indicates a dangerous situation with risk of death for the operator Warning It indicates a potential risk of inju...

Страница 8: ... bands Before using the battery charger ensure that frequency and voltage values indicated on the machine se rial number plate match the electrical mains voltage 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 ...

Страница 9: ... follow the ordinary maintenance instructions scrupu lously 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 Do not remove or modify the plates affixed to the machine To manually move the machine the electromagnetic brake must be disengag...

Страница 10: ...ithout supporting it with safety stands Machine Transportation Warning Before transporting the machine make sure that All covers are closed The recovery tank and the detergent tank are empty The batteries are disconnected The ignition key is removed The machine is securely fastened to the means of transport ...

Страница 11: ...ment holder Battery charger cable Can holder Solution valve Brush deck Solution filter Solenoid valve Front steering wheel Squeegee Squeegee bumper wheels Solution drain and level check hose Solution tank Dumping recovery tank assembly EMERGENCY push button Seat Battery connector Recovery tank cover Squeegee hook Electromagnetic brake locking unlocking lever Figure 2 ...

Страница 12: ...ler neck Recovery water drain hose Container with debris collection grid Squeegee mounting handwheels Squeegee support wheel Brush deck bumper wheel Rear driving wheels Battery charger Tank assembly and seat lifting handle Serial number plate technical data EcoFlex detergent tank Electronic component compartment cover Batteries Tank assembly support rod Lifted recovery tank assembly and driver s s...

Страница 13: ...erating information Vacuum system adjustment deactivation button One Touch Scrub ON OFF push button Reverse gear lever Detergent flow adjustment button Horn switch Brush release button Detergent percentage adjustment button Machine start stop button Machine ignition key Operator key grey Super user key yellow Figure 4 ...

Страница 14: ...if possible Internet connection Digital Volt Meter DVM Amp clamp with possibility of making DC measurements Hydrometer Battery charge tester to check 12V batteries Static control wrist strap Dynamometric wrench set A copy of the User Manual and Spare Parts List of the machine to be serviced provided with the machine or available at www advance us com or other Nilfisk Advance websites The following...

Страница 15: ...sound power level ISO 3744 ISO 4871 EN 60335 2 72 LwA 84 dB A Vibration level at the operator s arms ISO 5349 1 EN 60335 2 72 130 in s2 3 3 m s2 Vibration level at the operator s body ISO 5349 1 EN 60335 2 72 35 4 in s2 0 9 m s2 Maximum gradient when working 2 Drive system motor power 0 53 hp 400 W Drive speed variable 0 3 7 mi h 0 6 km h Vacuum system motor power 0 4 hp 310 W Vacuum system circui...

Страница 16: ...General Information 16 Service Manual SC2000 Dimensions 50 0 in 1270 mm 28 3 in 720 mm 40 1 in 1020 mm 21 6 in 550 mm Figure 7 ...

Страница 17: ... defined by the person in charge of the maintenance For instructions on maintenance procedures see the following paragraphs Scheduled Maintenance Table Procedure Daily after using the machine Weekly Every six months Yearly Battery Charging Squeegee Cleaning Brush pad cleaning Recovery tank and debris tray cleaning and cover gasket check EcoFlex system cleaning and draining Squeegee blade check Sol...

Страница 18: ...ce to Figure 1 Steering assembly column support plate and deck mount Main support side member Gearmotor support plate and squeegee system mount Steering assembly column support plate and deck mount Gearmotor support plate and squeegee system mount Figure 1 Main support side member ...

Страница 19: ...e display electronic board EB2 sends all the in put signals from the Dashboard instrument electronic board EB4 to the function electronic board EB1 us ing 2 wire 2 way serial communications protocol The system is completed by the on board battery charger which also uses a proprietary serial protocol to communicate with the function electronic board EB1 in order to display its operating status char...

Страница 20: ...tion electronic board EB1 Display electronic board EB2 Key electronic board EB3 Dashboard instrument electronic board EB4 Function electronic board EB1 Figure 2 Figure 3 Display electronic board EB2 Key electronic board EB3 Dashboard instrument electronic board EB4 ...

Страница 21: ...d by the yellow and red diagnostic LEDs Figure 5 on the function electronic board EB1 as indicated in the following tables Figure 5 General alarms Alarm on function electronic board FLASHING YELLOW RED LEDS Alarm code Description No Flashes Meaning Condition Effect Service Suggestions G2 EEPROM ERROR 2 EEPROM error EEPROM error Function block Default setting reset If the machine continues to funct...

Страница 22: ...TTERY LOW VOLTAGE 4 Undervoltage The battery voltage remains below 18 4V for over 10 seconds for WET CELL batteries 19 6V for GEL AGM batteries Function block 1 Check the battery voltage under no load conditions and under load Replace the faulty battery batteries if necessary 2 Recharge the batteries by performing a complete charging cycle G5 BATTERY OVERVOLTAGE 5 Excessive battery voltage Battery...

Страница 23: ... linkage lubricate if necessary 2 Check that the actuator and deck travel is not blocked by mechanical obstructions 3 If the problem persists replace the actuator F5 SQUEEGEE ACTUATOR FAILURE 5 SQUEEGEE ACTUATOR overcurrent Current greater than 4A detected for more than 1 second Vacuum function block 1 Check that there is no friction on the brush deck linkage lubricate if necessary 2 Check that th...

Страница 24: ...gain 2 If the alarm persists replace the electronic board T6 DRIVE MOTOR FAILURE 6 Overcurrent motor D C Drive system motor amperage greater than 1 5 times the value of the parameter see page 29 IMAX Drive blocked 1 Check that the gearmotor cables are not short circuited 2 Check that the motor of the gearmotor unit is not short circuited the impedance of the motor should be around 0 6 0 8 Ohm 3 If...

Страница 25: ... board C2 BATTERY OVERVOLTAGE Battery overvoltage Battery voltage over 32V Battery charger block 1 Check the connections of the batteries and the voltage of the installed batteries 2 Disconnect and reconnect the battery charger C4 CHARGING TIME I EXPIRED Charging phase I expired Battery excessively discharged or at end of life cycle Battery charger block If the problem persists replace the batteri...

Страница 26: ...ator key grey Figure 6 to access the main screen Figure 7 of the multifunction display Figure 6 2 Press One Touch button to change the machine settings see Machine Settings Screen paragraph 3 Press the vacuum system button to check for any stored machine alarms see Alarm Log Screen paragraph 4 Press the brush engagement disengagement button to check the machine s hours of operation see Operating T...

Страница 27: ...ecorded as in the following table On board Battery Charger Alarms Alarm code Description Meaning Condition Effect GB N CONTINUOUS LOW BATTERY VOLTAGE Time of continuous use with discharged batteries N is the number of hours from key on to off when the battery level is below 18 4V for WET CELL 19 6 for AGM batteries This event is not recorded if the usage time is below 10 minutes Incorrect use by c...

Страница 28: ...Regulation as Function of Speed paragraph 0 25 100 P2 P3 Level 2 solution flow rate in relation to level 3 see System for Flow Rate Regulation as Function of Speed paragraph 0 50 100 P3 Level 3 solution flow rate 1 0 cl m 3 0 cl m 5 0 cl m P4 Level 4 enabling 2 8 l min regardless of speed OFF OFF ON SPT EcoFlex function timer 0 disabled 60 sec 300 sec XPRES Brush deck extra pressure enabling OFF O...

Страница 29: ... the machine With this value the drive system reduces the power to the driving wheel to keep the stability of the machine WARNING increasing this value increases the risk of machine overturning KG Lateral acceleration control constant 1 0 1 6 2 0 Engineering parameter connected to AMAX Do not change VS1 Brush 1 motor protection threshold A 20 30 50 This is the maximum current which can be supplied...

Страница 30: ...e metre of floor treated Levels 1 and 2 are defined via the corresponding parameters P1 and P2 as a of level 3 For example for P1 25 and P2 50 P1 and P2 are respectively 25 and 50 of the reference flow rate P3 The default values the same as in the example above are summarized in the table with the corresponding flow rate values in liters per minute dependent on machine speed given as a reference S...

Страница 31: ...ws you to check the total accumulated hours of work for each machine subsystem A TOTAL counter machine running time B DRIVE counter drive system usage time C BRUSH counter brush rotation system usage time D VACUUM counter vacuum system usage time To return to the main screen Figure 6 press the One Touch button Figure 10 A B C D ...

Страница 32: ...er s seat 4 Remove the 3 screws and remove the upper cover 5 Remove the 2 screws and remove the function electronic board front cover 6 Disconnect the following connections sequentially Figure 11 A and B Electronic board power supply connection B and B C and D Brush motor connection BR and BR Figure 11 A B D C A B D C 7 Disconnect the following connections sequentially Figure 12 E and F Drive syst...

Страница 33: ...ronic board connection J1 J Squeegee actuator beacon light and driver s seat sensor connection J3 K Battery charger connection J4 L Brush deck actuator connection J2 M Accessory connection J8 Figure 13 I I K K L L M M J J 9 Unscrew the 4 retaining screws N and carefully remove the function electronic board Figure 14 Figure 14 N N N N N N N N 10 Assemble the components in the reverse order of disas...

Страница 34: ...connect the red battery connector 3 Remove the steering wheel mounting screws and disconnect the wiring harness connection A Figure 15 4 At the workbench remove the 6 screws B the cover C and recover the gasket D 5 Disconnect the flat connections E and F from the display electronic board EB3 6 Remove the screws I remove the display electronic board G and recover the springs J of the microswitches ...

Страница 35: ... instrument electronic board H Figure 16 and remove it from the cover C Assembly 9 Assemble the components in the reverse order of disassembly and note the following Install the display electronic board G and check the proper operation of springs J microswitches K and levers L and M Install the dashboard electronic board H by carefully attaching it to the cover and paying attention to the routing ...

Страница 36: ...cription Electronic board in out V ref I max Connected to B Electronic board power supply in 24V 125A BAT B Electronic board power supply in 24V 125A BAT Figure 17 Figure 18 Drive connections Ø3 6mm male RADSOK terminals AMPHENOL P N N01 036 6501 001 or equivalent Ref Description Electronic board in out V ref I max Connected to BR Brush motor out 24V 50A M1 BR Brush motor out 24V 50A M1 Figure 18 ...

Страница 37: ...cription Electronic board in out V ref I max Connected to M1 Drive system motor out 0 24V 70A M3 M2 Drive system motor out 0 24V 70A M3 Figure 19 Figure 20 Vacuum connections 2 way male parallel faston connectors 6 3x0 8 spacing 6 5mm Ref Description Electronic board in out V ref I max Connected to VA Vacuum system power supply out 16 24V 30A M2 VA Vacuum system power supply out 0V 30A M2 Figure 2...

Страница 38: ...pplies out 0V 1A EB2 5 EB3 5 PED 3 SW4 6 Display electronic board power supply out 24V 3A EB2 1 7 Enabling input from display electronic board in 24V 3A EB2 2 8 Display electronic board serial in out 5V 1A EB2 3 9 Display electronic board serial in out 0V 1A EB2 4 10 Pedal power supply out 24V 1A PED 1 11 Return from pedal in 0 5V 1A PED 2 12 Return from steering microswitch in 0V 1A SW4 Figure 21...

Страница 39: ...liary power supply out 0V 1A BE1 4 Squeegee actuator power supply out 0 24V 8A M6 5 Return from driver s seat microswitch In 0V 1A SW3 6 Auxiliary power supply out 24V 1A BE1 Figure 23 Figure 24 J4 MOLEX MINIFIT type 4 ways vertical PIN Description Electronic board in out V ref I max Connected to 1 Enabling from battery charger in 24V 1A CH 1 2 Power supply from battery charger in 24V 1A CH 2 3 Ba...

Страница 40: ...J5 JST VHR 3N type 3 way vertical PIN Description Electronic board in out V ref I max Connected to 1 Power supply for water level sensor out 24V 1A S1 1 2 Water level sensor return in 0V 1A S1 2 3 Power supply for water level sensor out 0V 1A S1 3 Figure 25 Figure 26 J6 JUMPER 2 ways vertical Figure 26 ...

Страница 41: ... Machine on signal out 24V 1A TRK BN Figure 27 Figure 28 J8 TYMOLEX MINIFIT type 10 ways vertical PIN Description Electronic board in out V ref I max Connected to 1 Solenoid valve power supply out 0V 1A EV1 2 Detergent pump power supply out 0V 1A M4 3 Electromagnetic brake output out 0V 1A BRK 4 Opt power supply out 0V 1A USB 5 DECK configurator return in 0V 1A J4 10 6 Solenoid valve power supply ...

Страница 42: ...oard in out V ref I max 1 Power supply common out 0V 1A 2 HORN button P3 in 0V 1A 3 EDS button P2 in 0V 1A 4 DETERGENT MIX button P1 in 0V 1A 5 BRUSH EXTRAPR button P4 in 0V 1A 6 VACUUM button P5 in 0V 1A 7 BRUSH RELEASE button P6 in 0V 1A 8 ON OFF button P0 in 0V 1A 9 REVERSE GEAR button P7 in 0V 1A 10 INCREASE SPEED button P8 in 0V 1A 11 DECREASE SPEED button P9 in 0V 1A 12 Dashboard configurato...

Страница 43: ...onnector C3 The green cable terminal 4 of connector C3 is the data cable between electronic board EB1 and bat tery charger CH This connection allows the battery charger charging curve to the be set directly from the machine dash board and to view the operational state of the battery charger during charging directly on the dashboard display Wiring Diagram 24V J4 1 J4 2 J4 3 J4 1 J4 3 J4 4 Enabling ...

Страница 44: ...circuit fuse F2 Function electronic board fuse F1 Battery charger CH Battery connections Batteries BAT Battery connector C1 Batteries BAT Battery connector C1 Battery connections Figure 3 Function electronic board EB1 Function electronic board fuse F1 Signal circuit fuse F2 Battery charger CH Figure 2 ...

Страница 45: ... One Touch button until you reach the BAT parameter MODIFIABLE PARAMETERS Code Description Min Value Factory Setting Max Value BAT Installed battery type 0 1 5 4 Press the vacuum system button or brush engagement disengagement button to modify the value of the BAT parameter as per the following table Code BAT Value Installed battery type 0 WET Wet cell batteries 1 GEL AGM Generic GEL or AGM batter...

Страница 46: ...ighten the nut on each battery terminal 8 Place the protection cap on each terminal 9 Connect the red battery connector 10 Disengage the support rod then grasp the handle and carefully lower the recovery tank assembly 11 Perform a complete battery charging cycle Figure 6 BACK FRONT Battery Charging Note Charge the batteries when there is only one flashing segment displayed in the battery symbol or...

Страница 47: ...charger to the electrical mains 6 After charging disconnect the battery charger from the electrical mains and from the battery red connector 7 Connect the battery connector to the machine 8 Disengage the support rod then grasp the handle and carefully lower the recovery tank assembly Battery charging with battery charger installed on the machine 9 Plug the battery charger into the electrical mains...

Страница 48: ... on a level floor and remove the operator key 2 Disconnect the red battery connector by pressing the emergency push button 3 Lift the recovery tank 4 Remove the 3 screws and remove the upper cover 5 Remove the 2 screws and remove the electronic board front cover 6 Check replace the following fuses Figure 7 F1 100A midi fuse Function electronic board A F2 3A blade fuse Signal circuits B 7 Place the...

Страница 49: ...working Batteries BAT flat or connections faulty Charge the battery or clean the connections The batteries BAT are broken Check the battery no load voltage The battery charger CH is broken Replace The wiring harness is cut or pressed or short circuited Repair The key electronic board EB3 is broken Replace Note A damage to the battery charger or its connections can prevent the machine from operatin...

Страница 50: ...l power supply Return from pedal J1 1 J1 2 J1 3 J1 4 J1 5 J1 1 J1 2 J1 3 VA VA Return from driver s seat microswitch Auxiliary power supply Squeegee actuator power supply Driver s seat microswitch power supply DECK configurator return Squeegee actuator power supply Electromagnetic brake output Opt power supply Detergent pump power supply Electromagnetic brake output Solenoid valve power supply Det...

Страница 51: ...000 53 B FULL PKG Battery compartment size length x width x height 13 7x14 1x11 in 350x360x280 mm Standard batteries 2 Discover 12V 105Ah Standard battery run time capacity 2 5 h Battery charger Input voltage 100 240Vac 50 60Hz 24Vdc 13A Charging procedure by microprocessor Efficiency 85 Environmental protection class IP30 ...

Страница 52: ...ough the recovery tank hose The automatic float in the vacuum grid stops vacuum system motor M2 from collecting any liquids The vacuum duct for connecting the vacuum grid to the vacuum system motor M2 is inside the recovery tank cover When the automatic float closes and shuts down the vacuum system the vacuum system motor noise will increase and the floor will not be dried The gasket on the input ...

Страница 53: ... Squeegee vacuum hose Vacuum system motor M2 Container with debris collection grid Vacuum grid with automatic shut off float Cover gasket Container with debris collection grid Recovery tank Recovery tank cover Figure 2 Vacuum grid with automatic shut off float Vacuum system motor M2 Squeegee vacuum hose Recovery water drain hose Figure 3 Motor protection case ...

Страница 54: ...s cover then clean it carefully 6 Reinstall it on the vacuum hose 7 Reinstall the debris collection tank on the rigid tube in the tank 8 Check the condition of the tank cover gasket E Note The gasket E creates the vacuum in the tank that is necessary to vacuum up the recovery water 9 If necessary replace the gasket E by removing it from its housing F When fitting the new gasket position the joint ...

Страница 55: ...e Vacuum system motor faulty Check the amperage Suction of dirty water is insufficient or non existent Activation of automatic float shut off Drain the recovery tank Debris collection filter dirty Clean Vacuum grid with automatic shut off float dirty Clean Tank cover not correctly positioned Adjust Tank cover gasket damaged or not working correctly Clean or replace Vacuum system motor container di...

Страница 56: ... key in its slot 15 Activate the vacuum by pressing the vacuum button 16 Check that the vacuum system motor amperage is between 13 and 17A at 24V 17 If the amperage is higher remove the vacuum system motor see the procedure in the Vacuum System Motor Disassembly Assembly paragraph and check the condition of all its components to detect and correct the abnormal amperage If the above mentioned proce...

Страница 57: ...r key 2 Disconnect the red battery connector 3 If present drain the recovery tank then lift it 4 Disconnect the connector A Figure 6 and remove the fastening clamp 5 Unscrew the 3 screws B and remove the vacuum system motor unit C Figure 6 B B C B A Assembly 6 Assemble the components in the reverse order of disassembly ...

Страница 58: ...stem motor unit as shown in the previous paragraph 2 At the workbench remove the connector A Figure 7 form the faston terminals B 3 Remove the clamp C 4 Remove the 4 screws D and remove the cover E Figure 7 A C D E B 5 Remove the soundproofing F Figure 8 and G 6 Remove the protection H to reach the vacuum system motor I Figure 8 H I G ...

Страница 59: ...es 7 Clean the inside of the containers from any dirt that has settled and check all gaskets J Figure 9 for wear replace if necessary Figure 9 J J J Assembly 8 Check that all components are reassembled with the correct polarity and orientation 9 Assemble the components in the reverse order of disassembly ...

Страница 60: ...cription Model Advance Nilfisk SC2000 53 B Advance Nilfisk SC2000 53 B FULL PKG Recovery tank capacity 18 5 US gal 70 liters Vacuum system motor technical data Power 0 4 hp 310 W Insulation Class H Voltage VDC 24V Vacuum circuit capacity 39 in H2 O 1000 mm H2 O ...

Страница 61: ... on the system automatically turns the ex tra pressure function off If the overload persists the brush stops The overload is detected by monitoring the current flow sum on the brush motor The current is mea sured by verifying the voltage drop through the brush system fuse F1 If the voltage drop reaches the val ue stored in the parameter VS2 default 70 mV the 3 battery LEDs flash at the same time a...

Страница 62: ...en pressing the actuator integrated spring The actuator is powered at 50 PWM about 12Vdc near the end of strokes or during the machine switch on reset feature otherwise at 100 PWM 24Vdc The machine switch on reset feature moves the actuator from the position where it was the last time the ma chine was switched off to the retracted position The quotes of the actuator strokes with a tolerance of 2mm...

Страница 63: ...3 Service Manual SC2000 Component Locations Brush motor M1 Disc brush deck Deck raising levers Brush deck support Drive hub Deck raising levers Brush motor M1 Brush deck support Disc brush deck Figure 2 Figure 3 Drive hub ...

Страница 64: ...nent Locations Continues Brush deck lifting lowering actuator M5 Function electronic board EB1 Actuator system wiring connection Figure 4 Brush deck lifting lowering actuator M5 Figure 5 Actuator system wiring connection Function electronic board EB1 ...

Страница 65: ...ith the appropriate deck 2 Place the brush A or the pad holder B under the deck 3 Insert the operator key in its slot 4 Press the One Touch button to lower the deck onto the brush 5 Press the brush engage disengage button to engage the brush 6 To remove the brush the deck must be lifted by pressing the One Touch button then press the brush engage disengage button 7 When the display shows the icon ...

Страница 66: ...en the brush and attachment flange Remove the brush and clean it Faulty brush motor Repair or replace Wiring damaged Repair It is not possible to lift lower the brush See the chapter Control System Function Electronic Board EB1 Error Codes Deck lifting lowering actuator M5 broken Replace Break in actuator wiring Check the connections according to the instructions in the Electrical System chapter T...

Страница 67: ... of the brush motor Note Use a jumper wire to disable the driver s seat sensor 9 Activate the brush by pressing the accelerator pedal then check that the brush motor amperage is between 3 and 4A at 20V 10 Deactivate the brush by releasing the accelerator pedal and raise the brush deck by pressing the One Touch button 11 Remove the amp clamp C 12 If the amperage is higher perform the following proc...

Страница 68: ...button then press it again and hold it for more than 1 second to activate the brush extra pressure function 6 Lift the recovery tank assembly and the driver s seat 7 Switch off the machine and disconnect the battery connector 8 Disassemble the electronic component compartment cover and the function electronic board panel 9 Remove the 4 screws C and remove the actuator plate D Figure 7 D C B A 10 R...

Страница 69: ...ing proper equipment or safety fixed supports suitable for the purpose 12 Remove the 4 screws J Figure 9 from the raising levers K 13 Lift the machine body L and disconnect the electrical wiring harness M from the brush motor then remove the brush deck N under the machine body Figure 9 N M L J K Assembly 14 Assemble the components in the opposite order they were removed in ensuring the brush motor...

Страница 70: ...he lead in wires 5 Disengage the tabs C and remove the carbon brushes D 6 Check the carbon brushes D for wear The carbon brushes are worn out when They do not make sufficient contact with the armature of the brush motor due to their wear When their contact surface is not intact When the residual stroke is below 0 12 in 3 mm When the thrust spring etc is broken 7 Replace the carbon brushes as an as...

Страница 71: ...bench remove the screw A Figure 11 of the brush motor 3 Use a puller to remove the brush hub B 4 Remove the screws C 5 Remove the brush motor D 6 Recover the key E Assembly 7 Assemble the components in the reverse order of disassembly Note For further information on deck components see the Spare Parts List Figure 11 A E B C D ...

Страница 72: ... recovery tank assembly and the driver s seat 6 Switch off the machine and disconnect the battery connector 7 Disassemble the electronic component compartment cover and the function electronic board panel 8 Disconnect the actuator connection C on the function electronic board D 9 Remove the 4 screws E and remove the actuator plate F Figure 12 F D E C B A 10 Remove the screw G Figure 13 and release...

Страница 73: ...33 lb 15 kg Brush pressure with extra pressure function turned on 66 lb 30 kg Brush deck right left offset 65 15 mm 2 5 0 6 in Brush distance from the floor when lifted 1 6 in 40 mm Brush motor power 0 6 hp 450 W Brush rotation speed 155 rpm Protection class IP 20 Insulation class F Actuator technical data Spring load 105 155 N Regulated travel 2 6 in 66 mm Total travel 3 6 in 98 mm Maximum speed ...

Страница 74: ... as to keep the quantity of solution dispensed per square metre of floor treated constant for further details and modifi cations see the corresponding paragraph in the chap ter Control System Located centrally below the solution tank there is also a hole for draining any liquid in the battery com partment The solution flow is regulated by various timed ON OFF cycles according to Water flow rate ad...

Страница 75: ...ler plug Water removable filler hose Solution drain and level check hose Solution valve Solution filter Solenoid valve EV1 Solution tank filler plug Water removable filler hose Solution tank Solution drain and level check hose Figure 2 Figure 3 Solution filter Solenoid valve EV1 Solution valve ...

Страница 76: ...etergent tank Plug with detergent supply hose EcoFlex detergent pump M4 Water level sensor S1 Battery compartment liquid drain hole Figure 4 Battery compartment liquid drain hole Plug with detergent supply hose EcoFlex detergent tank EcoFlex detergent pump M4 Water level sensor S1 ...

Страница 77: ... floor 2 Ensure that the machine is off and the operator key has been removed 3 Close the solution tank valve 4 Remove the transparent cover A Figure 5 retrieve the gasket B then remove the filter strainer C Wash and rinse them with water then refit them carefully onto the filter support D 5 Open the solution tank valve A C B D Figure 5 ...

Страница 78: ...rain hose 4 Close the recovery tank cover 5 Lift the recovery tank assembly and the driver s seat 6 Unscrew the plug A Figure 6 from the detergent tank B 7 Remove the tank 8 Rinse and wash out the tank with clean water in the appointed disposal area 9 Replace the detergent tank B as shown in the figure then refit the plug A 10 When the detergent tank has been drained it may be necessary to drain t...

Страница 79: ...d wait for the countdown timer on the display to finish and the vacuum system to be activated 15 Collect the detergent remained on the floor 16 Remove the operator key 17 Lift the recovery tank assembly and the driver s seat then check that the detergent tank hose 38 is empty otherwise perform steps 3 to 7 again Note The draining cycle lasts about 30 seconds then the vacuum function automatically ...

Страница 80: ... solenoid valve repair the electrical connection Presence of debris in solution tank blocking the outlet hole Clean the tank Presence of debris in the solution hose blocking the passage of the liquid Clean the hoses Function electronic board EB1 faulty Replace Display electronic board EB2 faulty Replace Dashboard instrument electronic board EB4 faulty Replace The solution reaches the brush also wh...

Страница 81: ...he detergent hoses clogging the detergent flow Clean the hoses The detergent flow adjustment button is not working correctly Check that the LED turns on otherwise replace the dashboard instrument electronic board EB4 Function electronic board EB1 faulty Replace Display electronic board EB2 faulty Replace Dashboard instrument electronic board EB4 faulty Replace The EcoFlex system detergent is reach...

Страница 82: ...rews A Figure 8 under the brush deck 4 Insert the operator key in its slot 5 Lower the brush deck by pressing the One Touch button 6 Switch off the machine and disconnect the battery connector 7 Unscrew and disconnect the connection B 8 Remove the elastic clamp C and disconnect the detergent supply hose D from the solenoid valve 9 Disassemble the solenoid valve E Assembly 10 Assemble the component...

Страница 83: ...he recovery tank assembly and the driver s seat then disassemble the electronic component compartment cover 4 Disconnect the connectors A the tank hose B and brush hose C 5 Unscrew the two screws D and remove the detergent pump E Assembly 6 Assemble the components in the reverse order of disassembly ensuring the supply hoses B and C are correctly fitted on the detergent pump Figure 9 B D C D E A ...

Страница 84: ...Insert the super user key yellow in place of the operator grey key to access the main screen Figure 10 of the multifunction display 2 With the solution tank more than half full the symbol displayed is A 3 With the solution tank less than half full the symbol displayed is B Figure 10 A B ...

Страница 85: ...ect the battery connector 3 Lift the recovery tank assembly and the driver s seat then disassemble the electronic component compartment cover 4 Unscrew the screw A Figure 11 and remove the sensor holder B 5 Unscrew the two screws C and remove the water level sensor D Assembly 6 Assemble the components in the reverse order of disassembly Figure 11 C D A B ...

Страница 86: ...ce Nilfisk SC2000 53 B Advance Nilfisk SC2000 53 B FULL PKG Solution tank capacity 18 5 US gal 70 liters Solution flow values 0 75 cl m 1 5 cl m 3 0 cl m 2 8 L min if enabled EcoFlex kit tank capacity 1 3 US gal 5 L EcoFlex kit detergent percentage setting Ratio 1 500 1 33 0 25 3 ...

Страница 87: ...llect the water on the floor The design and the central duct make it easy for the squeegee to clear the water The rear blade edge is smooth All 4 functional edges of each blade can be used before it needs replacing The squeegee is lifted and lowered by an actuator M6 located in the solution tank compartment It is acti vated at the same time as the brush deck The squeegee actuator M6 has 2 limit mi...

Страница 88: ...wheels Squeegee blades Squeegee reset spring Squeegee adjusting knob Squeegee support Mounting handwheels Actuator M6 Tie rods Squeegee adjusting knob Squeegee support Mounting handwheels Bumper wheels Tie rods Squeegee reset spring Actuator M6 Squeegee blades Figure 2 ...

Страница 89: ...ause there may be sharp debris 1 Drive the machine on a level floor 2 Ensure that the machine is off and the operator key has been removed 3 Loosen the handwheels and remove the squeegee 4 Wash and clean the squeegee In particular clean the compartments A Figure 2 and the hole B Check that the front blade C and the rear blade D are integral and free from cuts and lacerations if necessary replace t...

Страница 90: ...worn corner with one of the three remaining intact corners If the other corners are worn too replace the blade according to the following procedure Using the tab F release and remove the elastic strap G from the fasteners H then turn or replace the rear blade D Install the blade in the reverse order of re moval Unscrew the handwheels I and remove the strap J then turn or replace the front blade C ...

Страница 91: ...e is debris under the blade Remove Squeegee blade lips damaged or worn Replace Squeegee not balanced Adjust with the relevant handwheel The squeegee cannot be lifted lowered See the chapter Control System Function Electronic Board EB1 Error Codes Squeegee lifting lowering actuator M6 broken Replace Break in actuator wiring Check the connections according to the instructions in the Electrical Syste...

Страница 92: ... is off and the operator key has been removed 4 Disassemble the retaining spring A Figure 4 retrieve screws and washers 5 Disconnect the squeegee power supply connection B 6 Remove the two screws C and the screw D then lift the actuator plate E 7 Remove the nut F and retrieve the screw G 8 Replace the actuator H Assembly 9 Assemble the components in the reverse order of disassembly Figure 4 G F H ...

Страница 93: ... Ensure that the machine is off and the operator key has been removed 4 Unscrew the nuts A Figure 5 retrieve the washers and spacers 5 Carefully disassemble the tie rod B from the studs by paying attention to the squeegee reset spring C Assembly 6 Assemble the components in the reverse order of disassembly and note the following Assemble the tie rod B by loading it with the squeegee reset spring C...

Страница 94: ...Description Model Advance Nilfisk SC2000 53 B Advance Nilfisk SC2000 53 B FULL PKG Squeegee width 28 3 in 720 mm Actuator technical data Spring load 70 100 N Total travel 3 in 77 mm Maximum speed 16 mm s Voltage 24V Protection class IP 44 Insulation class A ...

Страница 95: ...i skid control sensor SW4 When necessary the anti skid control sensor reduces the speed to a safe speed when turning in order to avoid sudden skidding thus increasing machine stability in all conditions The system activation is shown by the icon on the display Component Locations Front fairing Steering column Steering pinion Steering crown Anti skid control sensor SW4 Front wheel Anti skid control...

Страница 96: ...eel specific pressure on the floor 189 psi 1 3 N mm2 Front wheel maximum turning angle 70 Steering turning angle 230 Steering reduction rate 3 1 Machines have been tested under the following conditions Battery maximum size Maximum brush and squeegee size Full detergent tank Optional equipment installed Wheel weight checked Print on the floor checked on cement for each single wheel Result expressed...

Страница 97: ...nerated see Function Electronic Board Alarm Codes paragraph in Con trol System chapter and the drive system is inhib ited When the drive pedal returns to the rest position the alarm is automatically deactivated without having to turn the machine off and on again When the drive pedal is pressed the function elec tronic board EB1 powers the electromagnetic brake to release the wheel then activates t...

Страница 98: ...board Display electronic board serial Display electronic board serial Return from steering microswitch Pedal power supply Return from pedal J1 1 J1 2 J1 3 Return from driver s seat microswitch Driver s seat microswitch power supply Electromagnetic brake output Electromagnetic brake output Drive system motor Drive system motor J1 4 J1 3 J1 2 J1 1 Microprocessor FUNCTION ELECTRONIC BOARD EB1 DISPLAY...

Страница 99: ... Drive pedal with potentiometer RV1 Driving wheels Gearmotor unit M3 Electromagnetic brake BRK Driver s seat microswitch SW3 Drive pedal with potentiometer RV1 Driver s seat microswitch SW3 Figure 2 Driving wheels Electromagnetic brake BRK Gearmotor unit M3 Figure 3 ...

Страница 100: ...faulty Replace Wiring damaged Check all connections inside the electrical component compartment included those of the function electronic board Drive system motor M3 carbon brushes worn Replace Drive system motor M3 faulty Replace The electromagnetic brake BRK is faulty Replace The electromagnetic brake BRK is not engaged when the machine stops The electromagnetic brake locking unlocking lever is ...

Страница 101: ...edures 2 Remove the operator key and disconnect the red battery connector 3 Lift the machine as shown A Figure 4 4 Remove the 2 screws B and disassemble the accelerator pedal C 5 Under the machine disconnect the connection D of the drive pedal potentiometer E 6 Remove the 3 screws F then disassemble the drive pedal potentiometer E Figure 4 C F A B E E D Assembly 7 Assemble the components in the re...

Страница 102: ...ay attention to the rotation of the driving wheel when performing the following steps 6 Apply the amp clamp D on one black cable E of the drive system motor wiring harness 7 Turn on the machine and drive it at the maximum forward speed by pressing the drive pedal and check that the amperage is 3 7A at 24V 8 Release the drive pedal 9 Switch off the machine and remove the amp clamp D 10 If the amper...

Страница 103: ...cilitate the disassembly procedures 2 Place a suitable lifting device A Figure 5 to raise one side of the machine approximately 2 cm from the floor 3 Remove the plug B remove the screw C and retrieve the washer 4 Remove the wheel D and retrieve the key 5 Disconnect the connection E 6 Remove the 4 screws F and retrieve the washer 7 Repeat step 2 to 6 for the other wheel then carefully disassemble t...

Страница 104: ...in wires 5 Carefully disengage the retaining spring D and remove the carbon brushes E 6 Check the carbon brushes E for wear The carbon brushes are worn out when They do not make sufficient contact with the armature of the motor due to their wear When their contact surface is not intact When the residual stroke is below 0 12 in 3 mm When the thrust spring etc is broken 7 Replace the carbon brushes ...

Страница 105: ... the electromagnetic brake 3 Remove the two screws A Figure 7 and the electromagnetic brake B Assembly 4 Assemble the components in the reverse order of disassembly and note the following When assembling place a screw C as reference Then install the electromagnetic brake making sure that its hexagonal lining engages the hexagonal shaft D of the drive system motor 5 Reassemble the gearmotor unit Fi...

Страница 106: ...two nuts C carefully remove the motor armature D from the stator cylinder E 5 Retrieve the retaining ring F Assembly 6 Assemble the components in the reverse order of disassembly and note the following Remove any dust or dirt from the stator and removed components Before reinstalling the motor armature D apply grease on the retaining ring lip F Check that the bearings of the motor armature D are p...

Страница 107: ...chnical data Power 0 53 hp 400 W Voltage 24V Transmission ratio 26 1 Protection class IP44 Insulation class F Drive speed variable 0 3 7 mi h 0 6 km h Maximum gradient when working 2 Machines have been tested under the following conditions Battery maximum size Maximum brush and squeegee size Full detergent tank Optional equipment installed Wheel weight checked Print on the floor checked on cement ...

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