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ELECTRICAL SYSTEM

SERVICE MANUAL

ENGLISH

SC3000 26” Disc

9099052000

ELECTRICAL SYSTEM

MACHINE WORKING HOUR CHECK

Turn the ignition key (A) to “I”.

In the first 2 seconds of machine operation, the display (B) shows the total number of working hours (ignition key to “I”)

performed by the machine.

Turn the ignition key (A) to “0”.

3.
It is possible to check the working hours performed by the machines through specific hour counters for: DRIVE SYSTEM,

BRUSHES, VACUUM SYSTEM (see Display of Current Values of Significant Variables, Hour Counters and Stored Alarms

paragraph).

CHARGE CONDITION DISPLAY

INDICATION

TRANSITION THRESHOLD (VOLT)

CONSEQUENCE

WET

GEL

GREEN LED: fixed - YELLOW LED: fixed

22 V

22.2 V

YELLOW LED: fixed - RED LED: flashing

20.4 V

21.6 V

Brushes OFF

Safety threshold

19.4 V

20.6 V

Vacuum system OFF

Drive threshold

18.4 V

19.6 V

Drive system OFF

A2 ENGLISH(2).indd 49

29/07/2011 17.03.06

Summary of Contents for SC3000 26" Disc

Page 1: ...SC3000 26 Disc SERVICE MANUAL Advance models 9087267020 26 Disc EcoFlex Charger ENGLISH 9099052000 3 2011 07 ...

Page 2: ......

Page 3: ...FLEX SYSTEM DISABLING PROCEDURE 16 TROUBLESHOOTING 16 BRUSHING SYSTEM 17 BRUSH PAD DECK DISASSEMBLY ASSEMBLY 17 BRUSH MOTOR ELECTRICAL INPUT CHECK 18 BRUSH MOTOR CARBON BRUSH CHECK REPLACEMENT 20 BRUSH MOTOR DISASSEMBLY ASSEMBLY 21 BRUSH DECK LIFTING LOWERING ACTUATOR DISASSEMBLY ASSEMBLY 22 BRUSH DECK ADJUSTER SPRING DISASSEMBLY ASSEMBLY 23 BRUSH DECK DRIVE GUIDE DISASSEMBLY ASSEMBLY 24 TROUBLESH...

Page 4: ...BLY ASSEMBLY 47 ELECTRICAL SYSTEM 49 MACHINE WORKING HOUR CHECK 49 CHARGE CONDITION DISPLAY 49 BATTERY TYPE SETTING WET OR GEL AGM 50 FUSE AND ELECTROMAGNETIC SWITCH CHECK REPLACEMENT 51 FUNCTION ELECTRONIC BOARD LAY OUT AND DISASSEMBLY ASSEMBLY 52 DISPLAY ELECTRONIC BOARD AND DASHBOARD ELECTRONIC BOARD REPLACEMENT 53 TROUBLESHOOTING 54 FUNCTION ELECTRONIC BOARD ERROR CODES 55 BLACK BOX RECORD OF ...

Page 5: ...epartment SC3000 Operator manual Form Number 9098828000 SC3000 Spare Parts List Form Number 9098828000 24V 670W Motor Installation Instructions Form Number 9098456000 SAFETY The following symbols indicate potentially dangerous situations Always read this information carefully and take all necessary precautions to safeguard people and property SYMBOLS DANGER It indicates a dangerous situation with ...

Page 6: ...harger cable and never use the battery charger cable as a handle Do not close a door on the battery charger cable or pull the battery charger cable around sharp edges or corners Do not run the machine on the battery charger cable Keep the battery charger cable away from heated surfaces Do not use the machine if the battery charger cable or plug is damaged If the machine is not working as it should...

Page 7: ...ove or modify the plates affixed to the machine To manually move the machine the electromagnetic brake must be disengaged After moving the machine manually engage the electromagnetic brake again Do not use the machine when the electromagnetic brake handwheel is screwed down When the machine is to be pushed for service reasons missing or discharged batteries etc the speed must not exceed 2 5 mi h 4...

Page 8: ... 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 2 x 11 ...

Page 9: ...mum weight with batteries full tanks and operator GVW 983 2 lb 446 kg Hourly efficiency 2 5 mi h 4 km h 24488 ft2 2 275 m2 Deck right left offset variable 0 3 9 in 1 0 in 0 100 mm 25 0 mm Brush distance from the floor when lifted 1 9 in 48 mm Brush pad motor power 2 x 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 Br...

Page 10: ...GENERAL INFORMATION ENGLISH SERVICE MANUAL 8 9099052000 SC3000 26 Disc DIMENSIONS SC3000 26 Disc 1190 mm 46 85 in 890 mm 35 in 1360 mm 53 5 in P100367 ...

Page 11: ... procedures see the following paragraphs SCHEDULED MAINTENANCE TABLE Procedure Daily after using the machine Weekly Every six months Yearly Battery charging Squeegee cleaning 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 Solution filter cleaning Vacuum system m...

Page 12: ...ned in the text Steering wheel with control panel see the following 1 paragraph Steering wheel height control lever 2 Ignition key 3 Drive pedal 4 Heel support height adjustment 5 Front steering driving and braking wheel 6 Electromagnetic brake unlocking lever 7 Emergency push button 8 Battery connector 9 Brush pad holder deck 10 Bumper wheel 11 Solution filter 12 Solenoid valve 13 Solution clean ...

Page 13: ...ater draining adapter 28 Solution clean water tap 29 Squeegee 30 Squeegee vacuum hose 31 Squeegee bumper wheels 32 Squeegee support wheels 33 Squeegee mounting handwheels 34 Squeegee balance adjusting handwheel 35 Vacuum system motor 36 Vacuum system motor filter 37 Battery connection diagram 38 Batteries 39 Battery caps 40 Battery charger cable optional 41 Detergent tank 42 Electronic component c...

Page 14: ...er deck and squeegee lifting lowering LED 68 indicator EcoFlex activation deactivation lever 69 EcoFlex system LED indicator 70 LED on EcoFlex system on LED flashing EcoFlex system override Hour counter and solution level display 71 When the machine is started it displays for a few seconds the number of working hours which have been performed While using the machine it displays the solution washin...

Page 15: ...ries 4 On the right side of the machine remove the screws and nuts A 5 Disconnect the connector B 6 Disconnect the hose C and D 7 Recover the whole assembly and at the workbench remove the solenoid valve E or the filter assembly F by disconnecting 8 unscrewing the connecting fastening components Assembly Assemble the components in the reverse order of disassembly and note the following 9 Before sc...

Page 16: ...lace the solenoid valve repair the 3 electrical connection There is debris in the solution clean water tank clogging the output hole clean the tank 4 There is debris in the solution clean water hoses clogging the flow clean the hoses 5 The function electronic board EB1 is faulty replace 6 The display electronic board EB2 is faulty replace 7 The dashboard electronic board EB3 is faulty replace 8 Th...

Page 17: ...tank plug 42 4 On the left side of the machine remove the screws and nuts A 5 Disconnect the connectors B and C 6 Disconnect the hose D 7 Remove the detergent pump E 8 If necessary remove the retaining springs F and disconnect the one way valve G from the relevant hoses 9 Assembly Assemble the components in the reverse order of disassembly and note the following 10 Connect the connector with black...

Page 18: ...the tank 4 There is debris in the detergent hoses clogging the detergent flow clean the hoses 5 The detergent flow control switch is malfunctioning check that the LED 78 turns on if necessary replace the dashboard 6 electronic board The function electronic board EB1 is not set for the operation with EcoFlex system if equipped remove the jumper wire 7 J4 in front of the electronic board The functio...

Page 19: ... in the Operator manual 2 Turn the ignition key 58 on I 3 Pressing the switch 67 to lower the brush pad deck 4 Turn the ignition key 58 to 0 5 Disconnect the red connector A 6 Unplug the pipe B of the cleaning solution 7 Unscrew the screw C and recover the nut 8 Remove the safety pins D 9 Unscrew the nut E and recover the washer then remove the brush pad holder deck F 10 Assembly Assemble the comp...

Page 20: ...llows 3 to 4 A at 24V for the brush pad holder deck motors Turn off the brushes by releasing the drive pedal 4 and lift the brush pad holder deck by pressing the switch 67 10 Turn the ignition key 58 to 0 11 Remove the amperometric pliers A 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 the max...

Page 21: ...BRUSHING SYSTEM SERVICE MANUAL ENGLISH SC3000 26 Disc 9099052000 19 BRUSH MOTOR ELECTRICAL INPUT CHECK Continues S301326 ...

Page 22: ...rushes E for wear Replace the carbon brushes when the contact with the motor armature is insufficient 4 the carbon brushes are worn the carbon brush contact surface is not integral the thrust spring is broken etc If necessary disconnect the connections F and remove the carbon brushes with their supports A and replace them 5 Replace the carbon brushes as an assembly Reset Assemble the components in...

Page 23: ...agraph 1 At the workbench remove the screw A from the reduction unit which has to be disassembled 2 Remove the hub assembly B with a puller 3 Remove the screws C 4 Remove the reduction unit D 5 Recover the key E 6 Assembly Assemble the components in the reverse order of disassembly 7 NOTE For further information on deck components see the Spare Parts List D E C B A D E C B A P100378 ...

Page 24: ...see the procedure in the relevant paragraph 2 Turn the ignition key to 0 and disconnect the batteries 3 Disconnect the actuator connector see the function electronic board 4 Remove the screw A and recover nuts bushings and washers 5 Remove the screw B and recover the washer 6 Remove the actuator C 7 Assembly Assemble the components in the reverse order of disassembly 8 A B C P100381 ...

Page 25: ...he front fairing see the procedure in the relevant paragraph 4 Place a wooden shim A under the deck holder assembly Wooden shim thickness must be 160 mm 5 Unscrew the ring nut B recover the washer then carefully remove the spring C 6 If necessary replace the spring taking care to properly place the elastic ends D on the frame 7 Assembly Assemble the components in the reverse order of disassembly a...

Page 26: ...ure in the relevant paragraph and leave the deck holder assembly lifted 2 Turn the ignition key to 0 and disconnect the batteries 3 Turn the steering wheel to accommodate the position of the drive guide A to be removed 4 Under the machine remove the screws B and the drive guide A 5 Replace the drive guide if it is too worn 6 Assembly Assemble the components in the reverse order of disassembly 7 A ...

Page 27: ...ed replace 4 The brush motor fuse F1 is open replace 5 One brush does not rotate Possible causes The motor carbon brushes are worn replace 1 Bulky debris or cords around the brushes or between the brushes and its flange remove and clean the brushes 2 The motor is faulty repair or replace 3 The wiring harness is damaged repair 4 The brushes cannot be lifted lowered or the extra pressure function ca...

Page 28: ...BRUSHING SYSTEM ENGLISH SERVICE MANUAL 26 9099052000 SC3000 26 Disc WIRING DIAGRAM P100384A ...

Page 29: ...trical input is 16 19 A at 24 V 3 Turn off the vacuum system motor by pressing the switch 63 4 Remove the amperometric pliers B If the electrical input exceeds the specifications check the motor carbon brushes see the procedure in the relevant paragraph If necessary remove the vacuum system motor see the procedure in the relevant paragraph and check the condition of its moving parts If the above m...

Page 30: ...r B 2 Remove the screws C 3 Disconnect the electrical connections D 4 Remove the carbon brushes E 5 Check the carbon brushes for wear Replace the carbon brushes when the contact with the motor armature is insufficient the 6 carbon brushes are worn the carbon brush contact surface is not integral the thrust spring is broken etc If necessary replace the carbon brushes Replace the carbon brushes as a...

Page 31: ...ft the recovery tank 3 Remove the screws A and recover the washers 4 Remove the motor cover B 5 Remove the filter C and the gasket D 6 Remove the motor E or L the sound deadening pipe F and the sound deadening panel G 7 Disconnect the connector H of the motor E 8 Check the efficiency of the gasket I and if necessary replace it 9 Assembly Assemble the components in the reverse order of disassembly ...

Page 32: ...age the cable grommet A and remove it from the squeegee 3 Remove the screws B and recover the washers 4 Remove the screw C and recover the nut 5 Disconnect the connector D and remove the squeegee lifting assembly E 6 At the workbench remove the screw F recover the spacers and the nut 7 Remove the squeegee lifting actuator G 8 Assembly Assemble the components in the reverse order of disassembly 9 A...

Page 33: ...he cable along its entire length with AGIP GR 30 or equivalent grease 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 The components must be carefully installed as shown in the figure for the proper operation of the lifting system 5 Install the squeegee lifting assembly see the previous pa...

Page 34: ...c shut off float is dirty or the vacuum pre filter is dirty clean 3 The tank cover is not correctly positioned adjust 4 The tank cover gasket is not efficient or the compensating hole is clogged repair clean 5 The vacuum system motor filter is dirty clean 6 The squeegee or the vacuum hose is clogged or damaged clean or repair replace 7 The vacuum gaskets are damaged or do not match perfectly repai...

Page 35: ...RECOVERY WATER SYSTEM SERVICE MANUAL ENGLISH SC3000 26 Disc 9099052000 33 WIRING DIAGRAM P100387A ...

Page 36: ...RECOVERY WATER SYSTEM ENGLISH SERVICE MANUAL 34 9099052000 SC3000 26 Disc ...

Page 37: ...onnect the batteries 3 Turn the steering wheel to reach the electromagnetic brake 4 On the left side of the machine remove the screws A and disconnect the connector B 5 Remove the electromagnetic brake C 6 Assembly Assemble the components in the reverse order of disassembly and note the following 7 Before installing the electromagnetic brake C clean it with compressed air Install the electromagnet...

Page 38: ...m 1 The braking masses are not efficient replace the electromagnetic brake 2 The brake does not activate when pressing the forward reverse gear pedal Possible causes There is an open in wiring harness between function electronic board and electromagnetic brake check repair the wiring 1 harness electrical connections The electromagnetic brake BRK is faulty replace 2 The function electronic board ES...

Page 39: ...PARKING BRAKE SYSTEM SERVICE MANUAL ENGLISH SC3000 26 Disc 9099052000 37 WIRING DIAGRAM P100389A ...

Page 40: ...PARKING BRAKE SYSTEM ENGLISH SERVICE MANUAL 38 9099052000 SC3000 26 Disc ...

Page 41: ...e ignition key 58 to I 6 Drive the machine at the maximum forward speed by pressing the pedal 4 and check that the electrical input is 5 7 A at 24 7 V Release the pedal 4 Turn the ignition key 58 to 0 and remove the amperometric pliers 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 ro...

Page 42: ... the screws B the flange C and the plastic ring D 6 Disengage the thrust spring E and remove the 2 carbon brushes F 7 Check the carbon brushes for wear 8 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 If necessary replace the carbon brushes Reset Assemble the components in the reverse order of dis...

Page 43: ...or D 7 Check the oil seal gasket E for wear In case of oil leaks between the drive system motor and the gear box replace the oil 8 seal as indicated below Oil seal replacement Remove the screw F and recover the washer 9 Carefully remove the gear G from the motor pin I 10 Remove and replace the oil seal gasket H 11 Rub the pin I of the drive system motor with 400 grit sand paper Clean the pin with ...

Page 44: ...DRIVE SYSTEM ENGLISH SERVICE MANUAL 42 9099052000 SC3000 26 Disc DRIVE SYSTEM MOTOR DISASSEMBLY ASSEMBLY Continues A B C D E J F G H I P100391 ...

Page 45: ...der the driving wheel assembly disconnect the drive system motor and electromagnetic brake connections 6 Remove the screws A and recover the washers 7 Carefully lower the driving wheel assembly with steering paying attention to the wiring harness B 8 Remove the screws C then remove the main gear D and the wiring harness shield E Note the wiring harness routing 9 under the shield E for proper reass...

Page 46: ...DRIVE SYSTEM ENGLISH SERVICE MANUAL 44 9099052000 SC3000 26 Disc DRIVING WHEEL DISASSEMBLY ASSEMBLY Continues A F F G C E D B I J H P100392 ...

Page 47: ...BLESHOOTING The machine does not move Possible causes The battery voltage is too low charge the battery 1 The drive pedal potentiometer 4 is misadjusted or broken adjust or replace RV1 2 The function electronic board EB1 is faulty replace 3 The wiring harness is damaged check all connections inside the electrical component compartment included those of the 4 function electronic board The drive sys...

Page 48: ...DRIVE SYSTEM ENGLISH SERVICE MANUAL 46 9099052000 SC3000 26 Disc WIRING DIAGRAM P100393A ...

Page 49: ... 0 and disconnect the batteries 2 Unscrew the steering wheel screw A 3 Remove the steering wheel assembly B disconnect the wiring harness connection 4 Remove the cover C then remove the Seeger ring D 5 Remove the caps the screws E and the steering wheel plate F 6 Disconnect the ignition switch wiring harness 7 Remove the screws G recover the washers disconnect the wiring harness and then remove th...

Page 50: ...OTHER SYSTEMS ENGLISH SERVICE MANUAL 48 9099052000 SC3000 26 Disc FRONT FAIRING DISASSEMBLY ASSEMBLY Continues B C D A E F G H I J K K M L L P100394A ...

Page 51: ... is possible to check the working hours performed by the machines through specific hour counters for DRIVE SYSTEM BRUSHES VACUUM SYSTEM see Display of Current Values of Significant Variables Hour Counters and Stored Alarms paragraph CHARGE CONDITION DISPLAY INDICATION TRANSITION THRESHOLD VOLT CONSEQUENCE WET GEL 1 GREEN LED fixed YELLOW LED fixed 22 V 22 2 V 2 YELLOW LED fixed RED LED flashing 20...

Page 52: ...s of the green warning light GEL AGM 6 2 flashes of the yellow warning light GEL EXIDE type If the setting is to be changed perform the following procedure 2 Turn off the machine by turning the ignition key A to 0 3 Press and hold the switches C and D at the same time then turn the ignition key A to I 4 Release the switches C and D at least 5 seconds after starting the machine 5 Within 3 seconds s...

Page 53: ...lectronic board assembly and remove it from the housing 4 Check replace the following fuses 5 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 actuator Further move the function electronic board assembly to remove the electromagnetic switch ES1 6 Place the function electronic boa...

Page 54: ... A and B Power supply connection and C and D Driving wheel connection M1 and M2 E Pressure switch module connection J7A and J7B F Electrical component wiring harness connection J1 G Foot board wiring harness connection J3 H Frame wiring harness connection J2 I Vacuum system wiring harness connection VA and VA J Recovery tank wiring harness connection J6 K Electromagnetic brake wiring harness conne...

Page 55: ...the flat connections E and F of the display electronic board G to the dashboard electronic board H 5 Remove the screws I remove the display electronic board G and recover the springs J of the microswitches K 6 Assembly Assemble the components in the reverse order of disassembly and note the following 7 Install the display electronic board G and check the proper operation of springs J microswitches...

Page 56: ...arged or the connections are not efficient charge the batteries or clean the connections 1 The batteries are broken check the battery no load voltage 2 NOTE A damage to the battery charger or its connections can prevent the machine from operating properly The battery charger is broken replace 3 There is an open in the fuses replace 4 The wiring harness is cut or pressed or short circuited repair 5...

Page 57: ...RESHOLD2 for t 10 Function block G8 Serial communication error with dashboard electronic board No signal or decoding error No block G9 Battery voltage drop DeltaV neg 3V on battery voltage Drive system electromagnetic brake block Function Alarms RED LED FLASHING Alarm Code No of flashes Meaning Condition Effect F2 BRUSH motor amperometric protection Voltage higher than the safety threshold Brush e...

Page 58: ...IMAX t8 Drive system relay fault Contacts always opened closed All the drive system alarms activates to cut off the power supply to the driving wheel motor not to the ELECTROMAGNETIC BRAKE until reset from KEY input except alarm t4 which is reset as soon as J3 8 DEADL In case of simultaneous errors the one with greater priority is shown first priority order is opposite to the number of flashes Oth...

Page 59: ...rm 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 protection intervention See alarm code description F3 VACUUM SYSTEM overcurrent See alarm code description F4 DECK ACTUATOR position irregularity See alarm code description F...

Page 60: ...rred when the machine working hours were 24h and 19m 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 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 P10040...

Page 61: ...rsion loaded on the electronic board Supply Voltage Battery voltage V Ref Voltage Drive pedal input voltage V Drive Motor Voltage Drive system motor output voltage V Drive Motor Current 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 H...

Page 62: ... Vacuum system partial supply voltage V 10 16 20 VS1 Brush motor protection threshold 1 mV 30 50 90 VS2 Brush motor protection threshold 2 mV 30 60 90 DT Deck actuator m1 microswitch delay ms 0 0 10 SPT SPOT function timer s 5 60 300 DEADL Drive pedal bottom dead area V 0 0 0 9 1 5 DEADH Drive pedal top dead area V 0 0 2 2 2 5 FVM0 Maximum forward speed 10 100 100 RVM0 Maximum reverse speed 10 70 ...

Page 63: ...0V 1A J1 5 7 Power supply 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 J2 MOLEX MINIFIT type 8 ways vertical PIN Description Electronic board in out V ref I max Conn...

Page 64: ...pply out 24V 1A BRK 2 Driving wheel brake power supply out 0V 1A BRK 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 driver s seat...

Page 65: ...d EB3 Dashboard instrument electronic board ES1 Brush electromagnetic switch EV1 Solenoid valve F0 Battery fuse F1 Brush deck fuse F2 Main electronic board fuse F3 Signal circuit fuse F4 Actuator fuse K1 Ignition switch M1 1 2 Brush motor M2 Vacuum system motor M3 Drive system motor M4 Detergent pump M5 Brush deck actuator motor m0 Brush deck actuator position 0 microswitch m1 Brush deck actuator ...

Page 66: ...SERVICE MANUAL 64 9099052000 SC3000 26 Disc ELECTRICAL COMPONENT LAYOUT Continues Front 24V BAT BZ1 BRK BE BAT M6 M4 M5 M5 F0 C4 M1 1 2 C4 EV1 M3 RV1 C1 SW1 C1 EB2 K1 EB3 CH CH C2 C3 M2 EB1 ES1 F1 F3 PR1 F4 F2 m0 m1 m2 P100402A ...

Page 67: ...magnetic switch EV1 Solenoid valve F0 Battery fuse F1 Brush deck fuse F2 Main electronic board fuse F3 Signal circuit fuse F4 Actuator fuse K1 Ignition switch M1 1 2 Brush motor M2 Vacuum system motor M3 Drive system motor M4 Detergent pump M5 Brush deck actuator motor m0 Brush deck actuator position 0 microswitch m1 Brush deck actuator position 1 microswitch m2 Brush deck actuator position 2 micr...

Page 68: ...ELECTRICAL SYSTEM ENGLISH SERVICE MANUAL 66 9099052000 SC3000 26 Disc WIRING DIAGRAM Continues P100403A ...

Page 69: ......

Page 70: ...A Nilfisk Advance Brand 14600 21st Avenue North Plymouth MN 55447 3408 www advance us com Phone 800 989 2235 Fax 800 989 6566 2011 Nilfisk Advance Inc ...

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