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Electrical System

Service Manual – SC3000

Specifications

Battery compartment size (length x width x height)

14.9 x 21.2 x 11.8 in (380 x 540 x 300 mm)

Battery type

4 6 V batteries, 180 Ah C5 (WET)

4 6 V batteries, 180 Ah C5 (GEL/AGM)

Standard batteries autonomy (capacity)

2.5 - 3.5 hours

Battery charger

Model

24V 25A

Input voltage

85Vac÷264Vac, 50Hz÷60Hz

Charging procedure

by microprocessor

Efficiency

> 85%

Environmental protection class

IP66

Maximum input current

15Arms

Total machine electrical input

60 A

Содержание SC3000

Страница 1: ...0 2010 06 Revised 2014 09 6 Form No 9098686000 Service Manual Nilfisk BR 652 9087260020 9087261020 Nilfisk BR 752 9087262020 9087263020 Nilfisk BR 752C 9087264020 9087265020 Advance SC3000 9087267020 English ...

Страница 2: ...ional Description 20 Wiring Diagram 20 Component Location 21 Function Electronic Board Alarm Codes 22 Display of Current Values of Significant Variables Hour Counters and Stored Alarms 28 Display and Change of Parameters Which can be Set by the Technician 30 Function Electronic Board Parameters 31 Removal and Installation 33 Specifications 37 Electrical System 42 Functional Description 42 Battery ...

Страница 3: ... System 93 Functional Description 93 Wiring Diagram 93 Component Location 94 Maintenance and Adjustments 95 Troubleshooting 99 Removal and Installation 101 Specifications 103 Squeegee System 104 Functional Description 104 Wiring Diagram 104 Component Location 105 Maintenance and Adjustments 106 Troubleshooting 108 Removal and Installation 109 Specifications 111 Steering System 112 Functional Descr...

Страница 4: ...Table of contents 4 Service Manual SC3000 ...

Страница 5: ...ce and a long working life for 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 BR 652 9087260020 9098684000 9098685000 Nilfisk BR 652 Car 9087261020 Nilfisk BR 752 9087262020 Nilfisk BR 752 Car 9087263020 Nilfisk BR 752C 9087264020 Nilfisk BR 752C Car ...

Страница 6: ...del and serial number Apply Retailer label here Serial Number Decal The machine model and serial number 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 machine spare parts Use the following table to write down the machine identification data Battery 24 Vdc 63 A Charg 100 240Vac 50 60Hz Mo...

Страница 7: ...safety precautions to avoid situations that may lead to serious injuries Before performing any maintenance repair cleaning or replacement procedure disconnect the battery connector and remove the ignition key This machine must be used by properly trained operators only Keep the batteries away from sparks flames and incandescent material During the normal op eration explosive gases are released Do ...

Страница 8: ... cannot move independently 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 Before using the machine close all doors and or covers as shown in the User Manual This machine is not intended for use by ...

Страница 9: ...arged batteries etc the speed must not exceed 4 km h This machine cannot be used on roads or public streets Pay attention during machine transportation when temperature is below freezing point The water in the recovery tank or in the hoses could freeze and seriously damage the machine Use brushes and pads supplied with the machine and those specified in the User Manual Using other brushes or pads ...

Страница 10: ...ng Do not work under the lifted machine without supporting it with safety stands Machine Transportation Warning Before transporting the machine make sure that All covers are closed The ignition key is removed The machine is securely fastened to the means of transport ...

Страница 11: ...support height adjustment Drive pedal Front steering driving and braking wheel Electromagnetic brake unlocking lever Seat Battery connector Emergency push button Squeegee hook Solution clean water tank opening closing valve Dumping recovery tank assembly Battery charger Recovery tank cover Ignition key Steering wheel height control lever Steering wheel with control panel P100370 ...

Страница 12: ...er s seat Vacuum system motor filter Vacuum system motor Battery connection diagram Squeegee Squeegee support wheels Squeegee mounting handwheels Squeegee bumper wheels Squeegee vacuum hose Solution clean water tank Solution clean water tank filler plug with removable filler hose Solution clean water draining adapter Recovery water drain hose Cylindrical brush deck Cylindrical brush deck side skir...

Страница 13: ...er Horn push button Ignition key Solution flow increase push button Solution flow decrease push button Anti skid control activation led indicator EcoFlex system led indicator Hour counter and solution level display Scrub On Off led indicator Scrub On Off push button Extra pressure push button EcoFlex lever Extra pressure led indicator Vacuum system push button Vacuum system led indicator Battery l...

Страница 14: ...onnection Digital Volt Meter DVM Amperometric pliers 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 equipment i...

Страница 15: ...rking 2 1 14 Sound pressure level at workstation ISO 11201 ISO 4871 EN 60335 2 72 LpA 65 dB A 3 dB A Machine sound pressure level ISO 3744 ISO 4871 EN 60335 2 72 LwA 82 dB A Vibration level at the operator s arms ISO 5349 1 EN 60335 2 72 98 4 in s2 2 5 m s2 Vibration level at the operator s body ISO 2631 1 EN 60335 2 72 3 1 in s2 0 8 m s2 Battery compartment size length x width x height 14 9 x 21 ...

Страница 16: ... 0 53 hp 2 x 400 W Brush pad holder speed 230 rpm Brush pad holder pressure with extra pressure function turned off 66 1 lb 30 kg 32 kg Brush pad holder pressure with extra pressure function turned on 105 8 lb 48 kg 50 kg Technical data for machines with cylindrical brush deck Description Nilfisk BR 752C Cylindrical brush size diameter x length 5 7 x 27 2 in 145 x 690 mm Weight without batteries a...

Страница 17: ...eral Information 17 Service Manual SC3000 Dimensions Nilfisk BR 652 Advance SC3000 1190 mm 46 85 in 890 mm 35 in 1360 mm 53 5 in P100367 Nilfisk BR 752 1190 mm 46 85 in 890 mm 35 in 1360 mm 53 5 in P100368 ...

Страница 18: ...General Information 18 Service Manual SC3000 Dimensions continued Nilfisk BR 752C 1190 mm 46 85 in 890 mm 35 in 1360 mm 53 5 in P100369 ...

Страница 19: ...after using the machine Weekly Every six months Yearly Battery charging Squeegee cleaning Brush cylindrical brush cleaning Tank debris collection grid and vacuum grid with float cleaning and cover gasket check EcoFlex system cleaning and draining optional Squeegee blade check and replacement Side skirt check only for BR 752C Solution filter cleaning Vacuum system motor filter cleaning Battery WET ...

Страница 20: ...Chassis System 20 Service Manual SC3000 Chassis System Frame main parts 1 Steering assembly plate holder 2 Tanks and driver s seat holder 3 Rear wheels on fixed axle Front 1 3 2 P100545 ...

Страница 21: ...D from keyboard EB3 to which it is connected by 2 flat cables There is also a 3 figure display on the display electronic board EB2 which is mainly used to display the hour counter the solution tank level and for any alarms see below There are also 2 microswitches activated by the levers under the steering wheel The display electronic board EB2 sends all the input and output signals of these compon...

Страница 22: ...ervice Manual SC3000 Component Location Function electronic board EB1 Control panel electronic board EB2 Dashboard EB3 1 Function electronic board EB1 P100547 3 2 Control panel elec tronic board EB2 Dashboard EB3 P100548 ...

Страница 23: ...the machine is normally working after the G2 mes sage appearing it could be caused by an electroma gnetic spike from the environment that didn t damage the system 1 Check all the parameter see page 32 33 settings battery type parameters etc because of they could be restored to default G3 3 General thermal protection The heatsink of the board reached a temperature up to 194 F 90 C Function block 1 ...

Страница 24: ...attery phase is not shown 1 Check the continuity of the yellow wire from the 3 way charger connector to pin 11 of J1 connector 2 If ok it is necessary to substitute the charger or the board G7 7 Undervoltage The battery voltage stay for more than 10 senconds lower than 18 4 Volt for WET batteries 19 6 Volt for GEL AGM batteries Function block 1 Check the battery voltage without and with load If ne...

Страница 25: ...tuator block 1 Check the deck actuator wire and its connection to the 6 way J4 connector on the board 2 Check for any obstacle or excessive friction that don t allow the actuator to move 3 If necessary substitute the actuator F5 5 VACUUM SYSTEM power section damage Internal board mosfet short circuit Vacuum system block 1 Check any short in the vacuum motor wiring 2 Check the vacuum motor operatio...

Страница 26: ...heck any short in the main motorwheel wires 2 Try to disconnect the 2 Ø6 mm fast connectors M1 and M2 from the board switch on the machine and press the pedal 3 If the alarm still appears substitute the board t6 6 Pedal input not admitted Open circuit between J3 7 and J3 9 or pedal output on J3 8 higher than 5 Volt Check the wiring from the pedal and the J3 connector pins 7 8 9 From the battery yo...

Страница 27: ...tection See alarm code description G4 Blown F2 fuse See alarm code description G5 Wrong KEY sequence See alarm code description G6 No signal from BATTERY CHARGER See alarm code description G7 Battery undervoltage See alarm code description G8 Serial communication error with dashboard electronic board See alarm code description G9 Battery voltage drop See alarm code description F2 Brush motor prote...

Страница 28: ... next to last stored alarm alarm F4 occurred when the machine working hours were 22h and 5m Logged alarm 1 ALL_G8 24h 19m PROGRAMMER Logged alarm 2 ALL_F4 22h 55m PROGRAMMER PROGRAMMER P100399 Example 2 Charging cycle interrupted before completion when the machine working hours were 15h and 45m last stored event GC 1 15h 45m 21hours 31 min PROGRAMMER Last stored event Charging cycle time when inte...

Страница 29: ...ition switch to 0 2 Open the electrical component compartment 3 Connect the ITALSEA programmer NILFISK P N 9097297000 to the function electronic board connector J9 A A M1 M2 J7A J7B J8 J9 J1 J3 J4 J2 J5 J6 VA VA A P100401 4 Turn the ignition switch to I 5 Scroll with the UP and DOWN buttons the pages in the order shown in the table below ...

Страница 30: ...Drive system motor current A Brushes Current Brush deck motor current mV Vacuum Current Vacuum system motor current A Heatsink Temp Temperature detected on the electronic board heatsink C Hour counter total TOTAL HOUR COUNTER h min Hour counter drive system DRIVE SYSTEM HOUR COUNTER h min Hour counter brushes BRUSH HOUR COUNTER h min Hour counter vacuum VACUUM SYSTEM HOUR COUNTER h min Logged Alar...

Страница 31: ...tion SPT etc Adapt the board tolerance to partcular devices that are a little bit out of their normal tolerances ex voltage of the pedal output when released DEADL voltage when the pedal is fully pressed DEADH Adapt the board output power limits to protect the motors in particular heavy duty applications like Max current in the deck motors VS1 for disc VS2 for cylindrical max continous current in ...

Страница 32: ...e when the pedal is fully pressed FVM0 Maximum forward speed 10 100 100 Max forward speed RVM0 Maximum reverse speed 10 70 100 Max reverse speed AR Maximum acceleration ramp s 0 5 3 0 5 0 Time to reach the max forward speed from the stopped position Increase to have a slower reactive drive behavior decrease to have a more reactive drive behavior DR Maximum deceleration ramp s 0 5 1 0 5 0 Time to r...

Страница 33: ... right response time curve of the drive motor overloading protection system PAY ATTENTION increasing this value you will take more overheating risk on the motor Protection intervention time for IMAX s Starting m SN 3510133204431 0 20 60 AMAX Maximum lateral acceleration g 100 1 15 100 It is the max side acceleration allowed to the machine Over this value the drive system will cut the power to the ...

Страница 34: ...ey to 0 and disconnect the batteries 3 Remove the steering wheel height control lever and disconnect the wiring harness connection A 4 At the workbench remove the screws B the cover C and recover the gasket D 5 Disconnect the flat connections E and F from the display electronic board 6 Remove the screws I remove the display electronic board G and recover the springs J of the microswitches K A C G ...

Страница 35: ...shboard electronic board H 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 of the flat connections E an...

Страница 36: ...ion electronic board assembly and carefully remove it from the housing 6 Disconnect the following connections sequentially A and B Power supply connection and C and D Driving wheel connection M1 and M2 E Pressure switch module connection J7A and J7B A B C D E E D C B A M1 M2 J7A J7B J8 J9 J1 J3 J4 J2 J5 J6 VA VA P100553A Warning Do not try to remove the pressure switch module by pulling the transp...

Страница 37: ...rness connection VA and VA I F G H M1 M2 J7A J7B J8 J9 J1 J3 J4 J2 J5 J6 VA VA I F G H P100553C J Recovery tank wiring harness connection J6 K Electromagnetic brake wiring harness connection J5 L Brush deck actuator wiring harness connection J4 7 Remove the function electronic board mounting screws M from the plate J K L M M F M1 M2 J7A J7B J8 J9 J1 J3 J4 J2 J5 J6 VA VA J K L M M M M P100553D Asse...

Страница 38: ... out V ref I max Connected to B Electronic board power supply in 24V 120A BAT B Electronic board power supply in 24V 120A BAT M1 Drive system motor out 24V 100A M3 M2 Drive system motor out 24V 100A M3 M2 M1 J7A J7B J8 J9 J1 J3 J4 J2 J5 J6 VA VA Vacuum system connections 2 ways male faston 6 3x0 8 pitch 6 5mm Ref Description Electronic board in out V ref I max Connected to VA Vacuum system power s...

Страница 39: ...upply for deck configurator out 0V 1A J1 8 8 Deck configurator return in 0V 1A J1 7 9 Consent for battery charger out 24V 1A CH 1 10 Enabling from battery charger in 24V 1A CH 2 11 Battery charger data communication slot in out 5V 1A CH 3 12 Auxiliary power supply under key out 24V 1A M2 M1 J7A J7B J8 J9 J1 J3 J4 J2 J5 J6 VA VA J2 MOLEX MINIFIT type 8 ways vertical PIN Description Electronic board...

Страница 40: ...V 1A K1 6 Return from key in 24V 1A K1 7 Pedal potentiometer power supply out 5V 1A RV1 F 8 Pedal potentiometer return In 0 5V 1A RV1 E 9 Pedal potentiometer power supply out 0V 1A RV1 D 10 M2 M1 J7A J7B J8 J9 J1 J3 J4 J2 J5 J6 VA VA J4 MOLEX MINIFIT type 6 ways vertical PIN Description Electronic board in out V ref I max Connected to 1 Actuator power supply microswitch out 0V 1A M5 m0 1 2 2 Retur...

Страница 41: ...heel brake power supply out 0V 1A BRK M2 M1 J7A J7B J8 J9 J1 J3 J4 J2 J5 J6 VA VA J6 TYCO MODU1 type 6 ways vertical PIN Description Electronic board in out V ref I max Connected to 1 Squeegee actuator power supply out 0 24V 8A M6 2 Squeegee actuator power supply out 0 24V 8A M6 3 Flashing light power supply out 24V 1A BE 4 Lamp seat microswitch float power supply out 0V 1A BE SW1 2 5 Return from ...

Страница 42: ...power supply out 5V 1A Press A1 A2 Pressure switch power supply out 0V 1A Press A2 A3 Press A3 B1 Press B1 B2 Pressure switch signal in 0 5V 1A Press B2 B3 Pressure switch signal in 0V 1A Press B3 M2 M1 J7A J7B J8 J9 J1 J3 J4 J2 J5 J6 VA VA J8 JUMPER 2 ways vertical M2 M1 J7A J7B J8 J9 J1 J3 J4 J2 J5 J6 VA VA J9 MOLEX MINIFIT type 4 ways vertical Connector for parameter programming ...

Страница 43: ...ow cable terminal 3 of connector C3 is the data cable between board EB1 and battery charger CH This connection is used to set battery charger charging curves directly on the machine dashboard and displays the state of the battery charger when charging on the 3 battery dashboard LEDS Red LED lit main charging phase Yellow LED lit equalization phase charge comple tion Green LED lit charging phase su...

Страница 44: ...tion switch K1 Battery charger CH B B MP P100554SPE Versions without on board battery charger For Nilfisk scrubbers version only Wiring Diagram Delta Q charger Power supply for key circuit Return from key Enabling from battery charger 24 V battery box BAT Main electronic board fuse F2 Function electronic board EB1 Signal circuit fuse F3 Ignition switch K1 Battery charger CH B B P100554DQ Versions ...

Страница 45: ...connections SPE charger CH for Nilfisk scrubbers version only Battery fuse F0 Battery connector C1 Delta Q charger CH 1 3 6 2 5 SPE charger CH Battery connector C1 Batteries BAT Battery fuse F0 for Nilfisk scrubbers version only Battery connections P100555 1 Delta Q charger CH P100555B ...

Страница 46: ...Electrical System 46 Service Manual SC3000 Component Location continues Electrical panel Function electronic board EB1 4 4 Electrical panel Function electronic board EB1 P100556 ...

Страница 47: ...2 flashes of the yellow warning light GEL EXIDE type 2 If the setting is to be changed perform the following procedure 3 Turn off the machine by turning the ignition key to 0 4 Press and hold the scrub On Off push button and the vacuum system push button at the same time then turn the ignition key to I 5 Release the scrub On Off push button and the vacuum system push button at least 5 seconds afte...

Страница 48: ...ect Charge Profile Button C to advance through charging profiles loaded on the charger The selected charging profile will be displayed F up to three times e g P 0 1 1 for Profile 11 Note See the BATTERY CHARGER PROFILE SELECTION CHART in the next page for the relevant profile Process will time out and profile will remain unchanged if there is 15 seconds of inactivity a profile number is allowed to...

Страница 49: ... FULL RIVER DC 335 6 56112546 6 335 P 1 4 1 TROJAN J 250 2992 41 56026200 6 250 P 0 0 3 TROJAN J 305G 56391391 6 285 P 0 0 7 TROJAN J185 2292 42 56206078 12 195 P 0 0 3 TROJAN L16 5592 41 56388582 6 395 NOT RECOMMENDED TROJAN T 125LPT 56206079 6 235 P 0 0 3 TROJAN T 605LPT 56206117 6 195 P 0 0 3 US BATTERY L16 40602A 6 375 P 0 7 3 US BATTERY L16 40704A 6 375 P 0 7 3 US BATTERY L16HC 56388582 6 415...

Страница 50: ...the batteries 3 Remove the screws and remove the electronic component compartment cover 4 Remove the mounting screws of the function electronic board assembly and remove it from the housing 5 Check replace the following fuses F1 50A fuse Brush motors F2 100A MIDI fuse Function electronic board drive and vacuum system F3 3A blade fuse Signal circuit F4 15A blade fuse Deck and squeegee lifting actua...

Страница 51: ...ot efficient Charge the batteries or clean the connections The batteries BAT are broken Check the battery no load voltage The battery charger CH is broken Replace The fuses F0 F2 F3 are open Replace The wiring harness is cut or pressed or short circuited Repair The ignition key K1 does not work Replace For Nilfisk scrubbers version only Note A damage to the battery charger or its connections can p...

Страница 52: ...cuum system motor M2 Drive system motor M3 Electromagnetic brake BRK Detergent pump M4 Brush deck actuator motor M5 Solenoid valve EV1 Drive pedal potentiometer RV1 Squeegee actuator motor M6 Driver s seat microswitch SW1 Brush motor M1 1 2 Reverse gear warning buzzer horn BZ1 Battery connector C1 Battery connector C1 Battery charger main connector C2 Battery charger main connector C2 Battery char...

Страница 53: ...m Battery type 4 6 V batteries 180 Ah C5 WET 4 6 V batteries 180 Ah C5 GEL AGM Standard batteries autonomy capacity 2 5 3 5 hours Battery charger Model 24V 25A Input voltage 85Vac 264Vac 50Hz 60Hz Charging procedure by microprocessor Efficiency 85 Environmental protection class IP66 Maximum input current 15Arms Total machine electrical input 60 A ...

Страница 54: ... Vacuum system motor M2 The dirty water is piped into the recovery tank while the airflow continues to the vacuum fan A tank with a screen collects the largest debris going through the recovery tank hose The automatic float in the vacuum screen stops Vacuum system motor M2 from collecting any liquids When the automatic float closes and shuts down the vacuum system the vacuum system motor noise wil...

Страница 55: ...ee vacuum hose Recovery water drain hose Vacuum system wiring harness connection Function electronic board EB1 2 3 7 1 8 Recovery tank cover Gasket cover Container with debris collection grid Recovery tank Float ball and cage P100559 6 4 5 Vacuum system motor M2 Squeegee vacuum hose Recovery water drain hose P100560 Vacuum system wiring harness connection Function electronic board EB1 P100560b ...

Страница 56: ...and reinstall 7 Clean the container with debris collection grid G remove the container remove the cover H then clean carefully and reinstall the vacuum hose 8 Check the tank cover gasket D for integrity Note The gasket D creates vacuum in the tank that is necessary for vacuuming the recovery water 9 If necessary replace the gasket D by removing it from its housing E When assembling the new gasket ...

Страница 57: ...he vacuum system motor is faulty Check the electrical input Dirty water vacuuming is insufficient or there is no vacuuming The vacuum grid with automatic shut off float is activated because the recovery tank is full Drain the recovery tank The filter is dirty Clean The vacuum grid with automatic shut off float is dirty Clean The tank cover is not correctly positioned Adjust The tank cover gasket i...

Страница 58: ...e motor electrical input is 16 19 A at 24 V 4 Turn off the vacuum system motor by pressing the vacuum system push button 5 Remove the Amp clamp A 6 If the amperage exceeds the specifications check the motor carbon brushes see the procedure in the relevant paragraph 7 If necessary remove the vacuum system motor see the procedure in the relevant paragraph and check the condition of its moving parts ...

Страница 59: ...ical connections D 5 Remove the carbon brushes E 6 Check the carbon brushes E for wear Replace the carbon brushes when The contact with the motor armature is insufficient The carbon brushes are worn The carbon brush contact surface is not integral The carbon brush when the stroke residual is less than 0 12 in 3 mm The thrust spring is broken etc 7 If necessary replace the carbon brushes Replace th...

Страница 60: ...k assembly 4 Remove the screws A and recover the washers 5 Remove the motor cover B 6 Remove the filter C and the gasket D 7 Remove the motor E or L the sound deadening pipe F and the sound deadening panel G 8 Disconnect the connector H of the motor E 9 Check the efficiency of the gasket I and if necessary replace it Assembly 10 Assemble the components in the reverse order of disassembly L K J I E...

Страница 61: ...n Advance SC3000 Nilfisk BR 652 Nilfisk BR 752 Nilfisk BR 752C Recovery tank capacity 21 US gal 80 L Vacuum system motor technical data 0 56 hp 420 W 20 8A VDC 24V 14900 rpm 0 0146 MPa 1 448 mmH2 O Blocked 26 1 l sec Vacuum performance 0 0098 MPa 1 000 mmH2 O Blocked ...

Страница 62: ... transmission system The brush system uses the solution to wash the floor The 2 side skirts direct the washing water towards the rear squeegee There is also a removable box on the deck where the debris cleaned by the brushes collects In case of brush motor overload a safety system stops the brushes after about one minute of continuous over load The overload is shown by the three battery warning le...

Страница 63: ...r supply B Power supply B Shunt Shunt V Function electronic board EB1 P100563 Actuator Wiring Diagram Brush deck actuator motor M5 Shown in retracted position Function electronic board EB1 B M V1 V2 B V3 B B B 5V Retracted J4 5 J4 6 J4 2 J4 3 J4 4 J4 1 Work Extra pressure 5V 5V P100564 Voltage reference Actuator position Retracted Work Extrapressure V1 5V 0V 0V V2 0V 5V 0V V3 0V 0V 5V ...

Страница 64: ...se belt protection Front deck protection Motor pulley Roller belt tensioner Driving belt Brush pulley Support brush Crankcase belt pro tection 1 4 2 3 Cylindrical brush deck Debris container Side skirts Front deck protec tion P100565 10 6 12 11 5 Motor pulley Roller belt tensioner Brush pulley Driving belt Support brush P100566 ...

Страница 65: ...h ES1 Brush motor M1 1 M1 2 Function electronic board EB1 Brush deck fuse F1 Actuator system wiring harness connection 12 13 11 Brush deck lifting lowering actuator Brush motor elec tromagnetic switch ES1 Brush motor M1 1 M1 2 P100567 Brush deck fuse F1 into fuse holder Function electronic board EB1 Actuator system wiring harness con nection P100568 ...

Страница 66: ...the machine loosen the knobs A and remove the side skirt assemblies B 5 Unscrew the knobs C and remove the lids D by pushing the knobs downwards 6 Install the cylindrical brushes E or remove them to install new ones 7 The cylindrical brushes must be installed on either sides 8 Install the lids D and fasten them with the knobs C 9 Install the side skirt assemblies B fasten them with the knobs A War...

Страница 67: ...wing procedure Overturning or replacement 7 Remove the wing nuts E then remove the retaining strip F 8 Remove the skirt blade G and if possible overturn the blade to replace the lower inner corner D with the opposite one If the other corner is worn too replace the blade Assembly and height adjustment 9 Assemble the blades G and skirt assembly B in the reverse order of disassembly 10 Start the mach...

Страница 68: ...maged Replace The brush motor fuse F1 is open Replace One brush does not rotate The motor carbon brushes are worn Replace Bulky debris or cords around the brushes or between the brushes and its flange Remove and clean the brushes The motor is faulty Repair or replace The wiring harness is damaged Repair The brush cannot be lifted lowered See the Electrical System chapter function electronic board ...

Страница 69: ...on and then turn the ignition key to 0 4 Disconnect the red connector A 5 Disconnect the solution hose union B 6 Remove the safety pins C 7 Unscrew the mounting nut D and recover the washer 8 Turn the ignition key to I lift the deck holder E by pressing the scrub On Off push button and then turn the ignition key to 0 9 Turn the steering wheel all the way to the left to remove the cylindrical brush...

Страница 70: ... the electrical input of the right G or left motor I is 4 to 6 A at 24V 9 Turn off the brushes by releasing the drive pedal and lift the brush deck by pressing the scrub On Off push button 10 Turn the ignition key to 0 11 Remove the amp clamp A 12 If the electrical input is higher perform the following procedures to detect and correct the abnormal input Note If the electrical input is higher than ...

Страница 71: ...ice Manual SC3000 Brush Motor Electrical Input Check continued Reset 17 Connect the driving wheel connector 18 Remove the jumper wire and enable the driver s seat microswitch 19 Remove the wooden shims and install the brushes P100469 ...

Страница 72: ...ction B and remove the screws C 5 Remove the carbon brushes D 6 Check the carbon brushes D for wear Replace the carbon brushes when The contact with the motor armature is insufficient The carbon brushes are worn The carbon brush contact surface is not integral The carbon brushes when the stroke residual is less than 0 12 in 3 mm The thrust spring is broken etc 7 Replace the carbon brushes as an as...

Страница 73: ...ssembly 1 Remove the cylindrical brush deck see the procedure in Cylindrical Brush Deck Disassembly Assembly paragraph 2 On the machine side where the brush motor has to be removed unscrew the knobs and remove the side skirt assembly 3 Remove the screws A and remove the case B A B P100379 ...

Страница 74: ...the components in the reverse order of disassembly and note the following The electrical connections L of the motor H must be turned to the rear side of the cylindrical brush deck The connection J of the carbon brush protection clamps I must be positioned as shown in the fig ure Install the belt F and tension it properly see the procedure in the relevant paragraph Note For further information on d...

Страница 75: ...ff push button 3 Turn the ignition key to 0 and disconnect the batteries 4 On both sides of the machine unscrew the knobs and remove the side skirt assemblies 5 Remove the screws A and remove the covers B 6 Visually inspect the driving belt C for integrity cuts tears or cracks and if necessary replace it according to the following procedure 7 Check the driving belt tension C according to the follo...

Страница 76: ...re Belt tensioning 11 Check the tension of the driving belt C between motor and brush The tension is correct when the driving belt bends for 5 mm when pressing the driving belt in its centre with a force of 10 kg G 12 If necessary stretch the driving belt according to the following procedure 13 Remove the cover D loosen the nut E and adjust the position of the pulley F as necessary When tensioning...

Страница 77: ... in Cylindrical Brush Deck Disassembly Assembly paragraph 3 Turn the ignition key to 0 and disconnect the batteries 4 Disconnect the actuator connector see the function electronic board 5 Remove the screw A and recover nuts bushings and washers 6 Remove the screw B and recover the washer 7 Remove the actuator C Assembly 8 Assemble the components in the reverse order of disassembly A B C P100382 ...

Страница 78: ...k right left offset 3 5 3 5 in 90 90 mm Cylindrical brush deck distance from the floor when lifted 0 8 in 22 mm Brush electromagnetic switch 24V 70A Cylindrical brush motor technical data 2 x 0 8 hp 2 x 600 W 24V 1800 rpm Actuator technical data Maximum load 700 N Maximum speed 16 mm s Voltage 24V Protection class IP 65 Cylindrical brush speed 720 rpm Cylindrical brush pressure 77 1 lb 35 kg ...

Страница 79: ... by the function electronic board when the pedal is pressed The brush system uses the solution to wash the floor In case of brush motor overload a safety system stops the brushes after about one minute of continuous over load The overload is shown by the three battery warning leds flashing simultaneously The overload is detected monitoring the sum of current flow on the motors The current is measu...

Страница 80: ...upply B Power supply B Shunt Shunt V Function electronic board EB1 P100563 Actuator Wiring Diagram Brush deck actuator motor M5 Shown in retracted position Function electronic board EB1 B M V1 V2 B V3 B B B 5V Retracted J4 5 J4 6 J4 2 J4 3 J4 4 J4 1 Work Extra pressure 5V 5V P100564 Voltage reference Actuator position Retracted Work Extrapressure V1 5V 0V 0V V2 0V 5V 0V V3 0V 0V 5V ...

Страница 81: ...c deck system Brush deck lifting lowering actuator M5 Gas spring for extra pressure Brush electromagnetic switch ES1 2 1 4 3 Brush gearmotor M1 M2 Disc brush deck Magic deck system Drive hub P100571 5 6 7 Brush deck lifting lowering actuator M5 Gas spring for extra pressure Brush electromagnetic switch ES1 P100572 ...

Страница 82: ...000 Component Location continued Brush deck fuse F1 Actuator system wiring harness connection Function electronic board EB1 Brush deck fuse F1 into fuse holder Function electronic board EB1 Actuator system wiring harness con nection P100568 ...

Страница 83: ...l the brushes A or pad holders B or C in the drive hub D under the deck then turn them in the opposite direction to their rotation direction until they reach the end of stroke E 5 To remove the brushes pad holders perform steps 1 to 3 then manually release the brush pad holder from the hub by turning it abruptly in its normal rotation direction F Warning If the machine is not perfectly assembled i...

Страница 84: ...rush motor electromagnetic switch ES1 is damaged Replace The brush motor fuse F1 is open Replace One brush does not rotate The motor carbon brushes are worn replace Replace Bulky debris or cords around the brushes or between the brushes and its flange Remove and clean the brushes The motor is faulty Repair or replace The wiring harness is damaged Repair The brush cannot be lifted lowered See the E...

Страница 85: ... Turn the ignition key to I 4 Lower the brush pad holder deck by pressing the scrub On Off push button 5 Turn the ignition key to 0 6 Disconnect the red connector A 7 Disconnect the solution hose union B 8 Remove the screw C and recover the nut 9 Remove the safety pins D 10 Remove the mounting nut E and recover the washer then remove the brush pad holder deck F Assembly 11 Assemble the components ...

Страница 86: ...edal then check that the electrical input of the right G or left motor I is 3 to 4 A at 24V 9 Turn off the brushes by releasing the drive pedal and lift the brush pad holder deck by pressing the scrub On Off push button 10 Turn the ignition key to 0 11 Remove the amp clamp A 12 If the electrical input is higher perform the following procedures to detect and correct the abnormal input Note If the e...

Страница 87: ... Manual SC3000 Brush Motor Electrical Input Check continued Reset 17 Connect the driving wheel connector 18 Remove the jumper wire and enable the driver s seat microswitch 19 Remove the wooden shims and install the brushes P100469 ...

Страница 88: ...hen The contact with the motor armature is insufficient The carbon brushes are worn The carbon brush contact surface is not integral The carbon brushes when the stroke residual is less than 0 12 in 3 mm The thrust spring is broken etc 5 If necessary disconnect the connections F and remove the carbon brushes with their supports A and replace them 6 Replace the carbon brushes as an assembly Reset 7 ...

Страница 89: ...emove the screw A from the reduction unit which has to be disassembled 3 Remove the hub assembly B with a puller 4 Remove the screws C 5 Remove the gearmotor 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 Parts List D E C B A D E C B A P100378 ...

Страница 90: ...he deck 3 Turn the ignition key to 0 and disconnect the batteries 4 Disconnect the actuator connector see the function electronic board 5 Remove the screw A and recover nuts bushings and washers 6 Remove the screw B and recover the washer 7 Remove the actuator C Assembly 8 Assemble the components in the reverse order of disassembly A B C P100381 ...

Страница 91: ...ly Assembly paragraph Steering System section 5 Place a wooden shim A under the deck holder assembly Wooden shim thickness must be 160 mm 6 Unscrew the ring nut B recover the washer then carefully remove the spring C 7 If necessary replace the spring taking care to properly place the elastic ends D on the frame Assembly 8 Assemble the components in the reverse order of disassembly and note the fol...

Страница 92: ...d leave the deck holder assembly lifted 3 Turn the ignition key to 0 and disconnect the batteries 4 Turn the steering wheel to accommodate the position of the drive guide A to be removed 5 Under the machine remove the screws B and the drive guide A 6 Replace the drive guide if it is too worn Assembly 7 Assemble the components in the reverse order of disassembly A B P100383 ...

Страница 93: ...5 0 mm Brush distance from the floor when lifted 1 9 in 48 mm 1 9 in 48 mm Brush pad holder motor power 2 x 0 53 hp 2 x 400 W Actuator technical data Maximum load 700 N Maximum speed 16 mm s Voltage 24V Protection class IP 65 Gas spring technical data Stroke 50 mm Strength 180 N Brush pad holder speed 230 rpm Brush pad holder pressure with extra pressure function turned off 66 1 lb 30 kg 70 5 lb 3...

Страница 94: ...th the specific lever under the steering wheel The operator sets the amount of detergent with the keys on the serigraphed electronic board installed on the steering wheel There is a manual valve under the tank in a central position which can be used to drain any liquid in the battery compartment There is also a manual valve on the left side which can be used to drain the detergent when cleaning th...

Страница 95: ...nt tank EcoFlex detergent pump M4 One way valve Solution clean water drain valve Battery compartment fluid valve 5 1 1 8 9 EcoFlex detergent tank Battery compartment fluid valve Solution clean water tank Solution clean water drain valve Filling cap P100576 2 3 4 7 6 Solution clean water valve Solution filter Solenoid valve EV1 One way valve EcoFlex detergent pump M4 P100577 ...

Страница 96: ...he squeegee vacuum hose B then fasten it to the drain valve C 5 Turn the ignition key to I and turn on the vacuum system with the vacuum system push button 6 Open the drain valve C to drain the tank 7 The valve C is open when it is in the position D and it is closed when it is in the position E 8 Then turn of the vacuum system and drain the recovery tank with the hose 9 Close the drain valve C rem...

Страница 97: ...alve A is closed when it is in the position B and it is open when it is in the position C 4 Remove the transparent cup D recover the gasket E then remove the filter strainer F under the machine in front of the right rear wheel Clean them with water and install them on the support G Note The filter strainer F must be correctly positioned on the housing of the support G 5 Open the valve A D E F H G ...

Страница 98: ...top flashing and for the vacuum system to turn on 6 Collect the detergent remained on the floor 7 Turn the ignition key to 0 8 Lift the recovery tank then check that the detergent tank hose is empty otherwise perform steps 3 to 7 again Note The draining cycle lasts about 30 seconds then the vacuum function automatically turns on which allows to remove the detergent remained The draining cycle can ...

Страница 99: ...hen turn the ignition key A to I 3 Release the lever A at least 8 seconds after turning on the machine After this procedure the EcoFlex lever cannot be operated again LED C off and the detergent concentra tion level is the one which has been set In order to re enable the system repeat the steps 1 to 3 Note The permanent disabling of the EcoFlex system is stored into memory even after the machine i...

Страница 100: ...e the solenoid valve repair the electrical connection There is debris in the solution clean water tank clogging the output hole Clean the tank There is debris in the solution clean water hoses clogging the flow Clean the hoses The function electronic board EB1 is faulty Replace The display electronic board EB2 is faulty Replace The dashboard electronic board EB3 is faulty Replace The solution reac...

Страница 101: ...n the detergent hoses clogging the detergent flow Clean the hoses The detergent flow control push button is malfunctioning Check that the LED turns on otherwise replace the dashboard electronic board EB3 The function electronic board EB1 is faulty Replace The display electronic board EB2 is faulty Replace The dashboard electronic board EB3 is faulty Replace The EcoFlex detergent reaches the brush ...

Страница 102: ...de of the machine remove the screws and nuts A 6 Disconnect the connector B 7 Disconnect the hose C and D 8 Recover the whole assembly and at the workbench remove the solenoid valve E or the filter assembly F by disconnecting unscrewing the connecting fastening components Assembly 9 Assemble the components in the reverse order of disassembly and note the following Before screwing the threaded fitt...

Страница 103: ... 5 On the left side of the machine remove the screws and nuts A 6 Disconnect the connectors B and C 7 Disconnect the hose D 8 Remove the detergent pump E 9 If necessary remove the retaining springs F and disconnect the one way valve G from the relevant hoses Assembly 10 Assemble the components in the reverse order of disassembly and note the following Connect the connector with black cable B and w...

Страница 104: ...R 752 Nilfisk BR 752C Solution clean water tank capacity 21 US gal 80 L Solution flow 0 26 to 0 8 US gal min 1 to 3 L min Minimum maximum solution flow with and without EcoFlex system 0 0 8 US gal min 0 3 L min EcoFlex kit tank capacity 1 3 US gal 5 L EcoFlex kit detergent flow setting Ratio 1 400 1 33 0 25 3 ...

Страница 105: ...lade has an opening in the bottom edge so the squeegee can collect the water on the floor The design and the central duct make it easy for the squeegee to clear the water The bottom edge of the blade is smooth All 4 functional edges of each blade can be used before it needs replacing The squeegee is lifted and lowered by a cable on a winch in the solution tank It is activated at the same time as t...

Страница 106: ... Squeegee blades Squeegee holder Mounting handwheels Squeegee adjustment Actuator M6 Squeegee lifting cable 5 4 2 1 4 3 7 2 Actuator M6 Squeegee lifting cable Squeegee holder Mounting hand wheels Squeegee Squeegee adjust ment Mounting hand wheels Squeegee blades P100581 ...

Страница 107: ... floor 2 Insert the ignition key and turn it to I 3 Lower the squeegee by pressing the vacuum system push button 4 Turn the ignition key to 0 5 Disconnect the vacuum hose from the squeegee 6 Loosen the handwheels and remove the squeegee 7 Wash and clean the squeegee In particular remove dirt and debris from the compartments A and the hole B Check that the front blade C and the rear blade D are int...

Страница 108: ...ndwheels 3 Check the front blade C and rear blade D for integrity cuts and tears if necessary replace them as shown below Check the front corner J of the rear blade for wear if necessary overturn the blade to replace the worn corner with an integral one If the other corners are worn too replace the blade according to the following procedure Remove the tie rod G disengage the fas tener M and remove...

Страница 109: ...place The squeegee leaves lining on the floor or does not collect water There is debris under the blade Remove The squeegee blade edges are torn or worn Replace The squeegee is not balanced Adjust with the relevant handwheel The squeegee does not lift lower See the Electrical System chapter function electronic board diagnosis The cable is broken Replace The actuator M6 is faulty Replace The actuat...

Страница 110: ...e the cable grommet A and remove it from the squeegee 4 Remove the screws B and recover the washers 5 Remove the screw C and recover the nut 6 Disconnect the connector D and remove the squeegee lifting assembly E 7 At the workbench remove the screw F recover the spacers and the nut 8 Remove the squeegee lifting actuator G Assembly 9 Assemble the components in the reverse order of disassembly A B D...

Страница 111: ...se or equivalent on the entire length of the cable Insert the cable in the direction shown by the arrow C Route the cable in the pulleys D E and F in sequence Fasten the cable grommet with the screw A and nut 5 The components must be carefully installed as shown in the figure for the proper operation of the lifting system 6 Install the squeegee lifting assembly see the previous paragraph 7 Check t...

Страница 112: ...iption Nilfisk BR 652 Advance SC3000 Nilfisk BR 752 Nilfisk BR 752C Squeegee width 35 in 890 mm Actuator technical data Maximum load 500 N Maximum speed 32 mm s Voltage 24V Protection class IP 65 Actuator normal current draw In lifting Max 4 A In lowering Max 2 A ...

Страница 113: ...he reduction gear pinion transmits the movement to the steering crown connected to the driving wheel as sembly The driving wheel assembly is also equipped with the gear for magic deck system movement To reach the steering system the machine front fairing must be removed Component Location Steering column Front fairing 2 1 Front fairing Steering column P100584 ...

Страница 114: ...urn the ignition key to 0 and disconnect the batteries 3 Unscrew the steering wheel height control lever A 4 Remove the steering wheel assembly B disconnect the wiring harness connection 5 Remove the cover C then remove the Seeger ring D 6 Remove the caps the screws E and the steering wheel plate F 7 Disconnect the ignition switch wiring harness B C D A E F G H I J K K M L L P100394 ...

Страница 115: ...al H 9 Remove the adjustable heel support I and recover the spring J 10 Remove the caps the screws K on the machine front and recover the washers 11 Remove the caps the screws L on the machine foot board and recover the washers and the nuts 12 Carefully remove the front fairing M Assembly 13 Assemble the components in the reverse order of disassembly B C D A E F G H I J K K M L L P100394 ...

Страница 116: ...s automatically deactivated without having to turn the machine off and on again When the drive pedal is pressed the function electronic board EB1 powers the electromagnetic brake to release the wheel then activates the driving wheel motor M3 with a proportional voltage on the basis of the pedal position The acceleration ramps and top speed can be set with the relevant parameters see paragraph Disp...

Страница 117: ...or Drive system motor Lamp seat microswitch float power supply Return from driver s seat microswitch Pedal potentiometer power supply 5V Pedal potentiometer return Pedal potentiometer power supply 0V Function electronic board EB1 Drive system motor M3 Electromagnetic brake BRK Drive pedal potentiometer RV1 Driver s seat microswitch SW1 P100585 ...

Страница 118: ... Driving wheel assembly Drive system motor M3 Electromagnetic brake BRK Driver s seat sensor SW1 Anti skid control LED 7 2 1 Accelerator pedal RV1 Reverse lever Anti skid control LED P100586 3 5 4 6 Driving wheel assembly Electromagnetic brake BRK Drive system motor M3 Driver s seat sensor SW1 P100587 ...

Страница 119: ...2 Replace The function electronic board EB1 is faulty See the Electrical System chapter The brake does not operate The electromagnetic brake deactivation lever BRK is turned to unlock position Remove the shim The electromagnetic brake braking masses BRK are not efficient Replace the electromagnetic brake The brake does not activate when pressing the forward reverse gear pedal There is an open in w...

Страница 120: ... Turn the ignition key to 0 and disconnect the batteries 3 Unscrew the steering wheel height control lever A 4 Remove the steering wheel assembly B disconnect the wiring harness connection 5 Remove the cover C then remove the Seeger ring D 6 Remove the caps the screws E and the steering wheel plate F 7 Disconnect the ignition switch wiring harness B C D A E F G H I J K K M L L P100394 ...

Страница 121: ...edal H 9 Remove the adjustable heel support I and recover the spring J 10 Remove the caps the screws K on the machine front and recover the washers 11 Remove the caps the screws L on the machine foot board and recover the washers and the nuts 12 Carefully remove the front fairing M Assembly 13 Assemble the components in the reverse order of disassembly B C D A E F G H I J K K M L L P100394 ...

Страница 122: ...ey to I 7 Drive the machine at the maximum forward speed by pressing the pedal and check that the electrical input is 5 7 A at 24 V Release the pedal Turn the ignition key to 0 and remove the amp clamp pliers 8 If the electrical input is higher perform the following procedures to detect and correct the abnormal input Check if there is dust or debris preventing the wheel rotation If necessary check...

Страница 123: ...ews B the flange C and the plastic ring D 7 Disengage the spring E and remove the 2 carbon brushes F 8 Check the carbon brushes for wear 9 The carbon brushes are worn when the contact with the motor armature is insufficient the contact surface is not even the thrust spring is broken etc 10 If necessary replace the carbon brushes Reset 11 Assemble the components in the reverse order of disassembly ...

Страница 124: ...emove the electromagnetic brake see the procedure in the relevant paragraph 5 Remove the driving wheel assembly see the procedure in the relevant paragraph 6 At the workbench with indelible pen B mark the installation position of the motor on the gear box 7 Remove the screws C and carefully remove the drive system motor D 8 Check the oil seal gasket E for wear In case of oil leaks between the driv...

Страница 125: ...motor with sand paper Ø 400 Clean the pin with thinner 13 Apply Loctite 542 on the pin I and on the gear G then install 14 Apply strong threadlock on the threads of the screw F then tighten the screw at 10 Nm Assembly 15 Assemble the components in the reverse order of disassembly and note the following Check the oil level in the hole J of the gear box If necessary top up with SAE 80W 90 oil Instal...

Страница 126: ... frame front sides two proper wooden shims high enough to keep the front wheel lifted for about 10 cm from the floor 6 Under the driving wheel assembly disconnect the drive system motor and electromagnetic brake connections 7 Remove the screws A and recover the washers 8 Carefully lower the driving wheel assembly with steering paying attention to the wiring harness B 9 Remove the screws C then rem...

Страница 127: ...ents in the reverse order of disassembly and note the following Tighten the screws H at 16 Nm Only for machines with disc brushes deck when installing the driving wheel assembly the gears must be coupled with the straight wheel and the arrows J aligned as shown in the figure Tighten the screws F C and A at 22 Nm J F C A P100392 ...

Страница 128: ...iver s seat mounting screws 4 Disconnect the microswitch connector 5 Lift the recovery tank cover and remove the remaining driver s seat mounting screws 6 Remove the driver s seat remove the wiring harness from the hole and then remove the driver s seat microswitch by peeling off the adhesive Assembly 7 Assemble the components in the reverse order of disassembly 8 Check that the machine cannot be ...

Страница 129: ...4 Turn the steering wheel to reach the electromagnetic brake 5 On the left side of the machine remove the screws A and disconnect the connector B 6 Remove the electromagnetic brake C Assembly 7 Assemble the components in the reverse order of disassembly and note the following Before installing the electromagnetic brake C clean it with compressed air Install the electromagnetic brake with the lever...

Страница 130: ...ing wheel diameter 8 8 in 225 mm Driving wheel technical data Max torque 100 Nm Continuous torque 30 Nm Load on the wheel 150 daN Ratio 1 28 25 Drive system motor technical data Power 0 4 hp 300 W Voltage 24 V Speed 4200 rpm Electrical input 15 A Protection class IP44 Electromagnetic brake technical data Strength 4 0 Nm Voltage 24 V Maximum speed 3 7 mi h 6 km h Maximum gradient when working 2 1 1...

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