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SERVICE MANUAL

ENGLISH

Adfinity™ 17ST / 20ST / X20R / 20D / X20D / X20C / X24D

9096982000

51

BRUSHING SYSTEM

BRUSH MOTOR DISASSEMBLY/ASSEMBLY (For Adfinity™ 17ST, 20ST, 20D, X20D)

Disassembly

1.  Remove the deck (see the procedure in the relevant paragraph).

2.  At the workbench, remove the screw (A) from the deck.

3.  Remove the hub assembly (B) with a puller.

4.  Remove the screws (C).

5.  Remove the reduction unit (D).

6.  If necessary, remove the water distribution union (E) and flange (F) from the reduction unit.

Assembly

7.  Assemble the components in the reverse order of disassembly.

D

E

F

C

C

B

A

S301544A

Summary of Contents for Adfinity 17ST

Page 1: ...AdfinityTM 17ST 20ST X20R 20D X20D X20C X24D SERVICE MANUAL Advance models 908 7161 020 908 7162 020 9087290020 908 7163 020 908 7164 020 908 7165 020 908 7166 020 9096982000 5 2012 03...

Page 2: ......

Page 3: ...27 WATER PUMP DISASSEMBLY ASSEMBLY For Adfinity X20R 28 DETERGENT PUMP AND CHECK VALVE DISASSEMBLY ASSEMBLY For Adfinity X20D X20C X24D 30 TROUBLESHOOTING 32 BRUSHING SYSTEM 33 BRUSH PAD CLEANING 33 B...

Page 4: ...24D 70 DRIVE SYSTEM MOTOR CARBON BRUSH CHECK AND REPLACEMENT For Adfinity X20R 20D X20D X20C X24D 71 DRIVE SYSTEM MOTOR DIFFERENTIAL DISASSEMBLY ASSEMBLY For Adfinity X20R 20D X20D X20C X24D 72 TROUBL...

Page 5: ...RENCE MANUALS The following manuals are available at Advance Literature Service Department Adfinity 17ST 20ST X20R User Manual Form Number 9096912000 Adfinity 17ST 20ST X20R Spare Parts List Form Numb...

Page 6: ...GENERAL INSTRUCTIONS Specific warnings and cautions to inform about potential damages to people and machine are shown below DANGER Before performing any maintenance repair cleaning or replacement proc...

Page 7: ...o not bump into shelves or scaffoldings particularly where there is a risk of falling objects Do not put any can containing fluids on the machine The machine operating temperature must be between 32 F...

Page 8: ...operator s arms ISO 5349 1 98 4 in s2 2 5 m s2 Standard batteries WET 2 x 12V 24V 105 Ah Standard batteries autonomy 3 2h Battery compartment size width x length x height 13 8 x 13 8 x 11 8 in 350 x...

Page 9: ...ssure on the ground 667 lbf in2 4 6 N mm2 Rear wheel diameter 3 9 in 100 mm Minimum turning radius 27 5 in 700 mm Vacuum system motor power 0 44 hp 330 W Drive system motor power 0 27 hp 200 W Drive s...

Page 10: ...Maximum weight with batteries and full tanks GVW 520 3 lb 236 kg 551 1 lb 250 kg Brush motor power 0 64 hp 480 W 0 47 hp 350 W Brush speed 153 rpm 230 rpm Brush pad holder pressure with extra pressure...

Page 11: ...20D X20D X20C X24D 9096982000 11 GENERAL INFORMATION DIMENSIONS Adfinity 17ST 1190 mm 46 8 in 760 mm 30 0 in 1058 5 mm 41 6 in 512 mm 20 1in P100200 DIMENSIONS Adfinity 20ST 1228 mm 48 3 in 760 mm 30...

Page 12: ...y 17ST 20ST X20R 20D X20D X20C X24D GENERAL INFORMATION DIMENSIONS Adfinity X20R 1245 mm 49 0 in 760 mm 30 0 in 1058 5 mm 41 6 in 540 mm 21 2 in DIMENSIONS Adfinity 20D X20D 1323 mm 52 1 in 760 mm 30...

Page 13: ...R 20D X20D X20C X24D 9096982000 13 GENERAL INFORMATION DIMENSIONS Adfinity X20C 1253 mm 49 3 in 760 mm 30 0 in 1088 mm 42 8 in 575 5 mm 22 7 in P100203 DIMENSIONS Adfinity X24D 1311 mm 51 6 in 810 mm...

Page 14: ...nstructions on maintenance procedures see the following paragraphs SCHEDULED MAINTENANCE TABLE Procedure Daily after machine use Weekly Every six months Yearly Battery charging Squeegee cleaning Brush...

Page 15: ...hnical data conformity certification 35 Plug for squeegee vacuum hose cleaning 36 Vacuum grid with automatic shut off float 37 Solution filler neck 38 Foam filter 39 Compensation hole 40 Recovery wate...

Page 16: ...GENERAL INFORMATION MACHINE NOMENCLATURE For Afinity 17ST 20ST X20R Continues 58 58 59 21 22 24 23 1 2 3 4 5 6 7 10 11c 11b 11a 11 12 26 27 15 25 26 13 55 14 19 18 20 8 16 17 42 40 41 44 43 52 53 45 4...

Page 17: ...2000 17 GENERAL INFORMATION MACHINE NOMENCLATURE For Afinity 17ST 20ST X20R Continues 71 72 73 81a 81b 81c 82a 82c 82b 74 75 81 82 Adfinity 17ST 20ST 71 72 73 81a 81b 81c 82a 82c 82b 74 75 76 84 83 78...

Page 18: ...le retaining plate 33 Cover fixed retaining plate 34 Serial number plate technical data conformity certification 35 Plug for squeegee vacuum hose cleaning 36 Vacuum grid with automatic shut off float...

Page 19: ...MATION MACHINE NOMENCLATURE For Afinity 20D X20D X20C X24D Continues 29 28 21 20 56 18a 19a 14 22 24 23 1 2 3 4 5 6 7 8 10 9 11c 11b 11a 11 16 17 54 55 13 26 15 12 25 27 26 19b 18c 39 30b 38 37 35 36...

Page 20: ...096982000 Adfinity 17ST 20ST X20R 20D X20D X20C X24D GENERAL INFORMATION MACHINE NOMENCLATURE For Afinity 20D X20D X20C X24D Continues 94 90 93 92 91 71 72 73 81a 81b 81c 82a 82c 82b 74 75 76 84 83 78...

Page 21: ...n the ignition key 80 to 0 For Adfinity 17ST 20ST Turn off the switches 71 and 73 6 Clean the tank 20 with clean water 7 Start the machine as shown in the User Manual and keep it running until the sol...

Page 22: ...ll them on the support F NOTE The filter strainer E must be correctly positioned on the housing G of the support F 5 Open the tap A E G B A D C F E S301521A SOLENOID VALVE DISASSEMBLY ASSEMBLY For Adf...

Page 23: ...the pedal 11 2 Disconnect motor connectors water line to deck at union F and two mounting screws holding deck to lift arms G 3 Remove deck 4 Remove the screw A disconnect the connector B and recover...

Page 24: ...Adfinity X20D X20C X24D Move the solenoid valve E and disconnect it from the union I Assembly 8 Assemble the components in the reverse order of disassembly B A C F G E H I D I S301523A TROUBLESHOOTIN...

Page 25: ...recovery water tank 21 is empty otherwise empty it with the drain hose 16 4 Grasp the handle 41 and carefully lift the tank 40 5 Slightly lift the hoses A then operating on the clean water filter asse...

Page 26: ...NG For Adfinity X20R X20D X20C X24D 1 Clean the detergent tank then remove the detergent remained in the hoses and in the pump 2 Grasp the handle 41 and carefully lower the tank 40 3 Turn on the machi...

Page 27: ...r disposal area Turn the ignition key 80 to 0 Empty the recovery water tank 21 with the hose 16 2 Drive the machine on a level floor 3 Turn the ignition key 80 to 0 4 Grasp the handle 41 and carefully...

Page 28: ...Remove the detergent tank B 7 Remove the screws C 8 Slightly lift the tank holder D and mark the position of the connectors E and F to reinstall them correctly which must be as follows Connector E whi...

Page 29: ...MANUAL ENGLISH Adfinity 17ST 20ST X20R 20D X20D X20C X24D 9096982000 29 ECOFLEX SYSTEM DETERGENT PUMP AND CHECK VALVE DISASSEMBLY ASSEMBLY For Adfinity X20R Continues B A C D C K G E F I G L J M K H J...

Page 30: ...A 6 Remove the detergent tank B 7 Remove the screws C 8 Slightly lift the tank holder D and mark the position of the connectors E and F to reinstall them correctly which must be as follows Connector...

Page 31: ...ENGLISH Adfinity 17ST 20ST X20R 20D X20D X20C X24D 9096982000 31 ECOFLEX SYSTEM DETERGENT PUMP AND CHECK VALVE DISASSEMBLY ASSEMBLY For Adfinity X20D X20C X24D Continues A B C C D H M L J K G I F E G...

Page 32: ...etergent flow clean the hoses 6 The detergent flow control switch is malfunctioning check that the warning led 78 turns on if necessary replace the function electronic board 7 The function electronic...

Page 33: ...may be sharp debris 1 Remove the brushes pads as shown in the User Manual 2 Clean and wash the brushes pads with water and detergent 3 Check that the brush pads are integral and not excessively worn o...

Page 34: ...rive the machine on a level floor 2 Remove the brushes pad holders as shown in the User Manual 3 Lower the brush pad holder deck by pressing the pedal 11 4 Disconnect the brush pad holder motor electr...

Page 35: ...Adfinity X20R Disassembly 1 Drive the machine on a level floor 2 Lower the deck by pressing the pedal 11 3 Disconnect the deck motor electrical connection A 4 Disconnect the solution hose connection...

Page 36: ...aragraph in the User Manual Disassembly 1 Drive the machine on a level floor 2 Remove the brushes pad holders as shown in the User Manual Do not remove the cylindrical brushes 3 Lower the brush pad ho...

Page 37: ...check that the motor electrical input is 3 4 A at 24 V Turn off the brush pad holder by pressing the switch 71 Remove the amperometric pliers A If the electrical input is higher perform the following...

Page 38: ...hould measure less than 20 amps 8 Turn off the motor by releasing the drive paddle 3 and by pressing the switch 71 Turn the ignition key 80 to 0 Remove the amperometric pliers Lower the drive whell to...

Page 39: ...der D together with the detergent pump G 8 Apply the amperometric pliers J on one cable K of the brush motor L 9 Turn the speed adjuster 4 to idle and turn the ignition key 80 to I 10 Turn on the brus...

Page 40: ...ENGLISH SERVICE MANUAL 40 9096982000 Adfinity 17ST 20ST X20R 20D X20D X20C X24D BRUSHING SYSTEM BRUSH MOTOR ELECTRICAL INPUT CHECK For Adfinity 20D X20D Continues A B C D C I H F E G K L J S301534A...

Page 41: ...key 80 to 0 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 th...

Page 42: ...0 to 0 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 maxi...

Page 43: ...dust and dirt from the motor carbon brush support area A 9 Disengage the fasteners B and C and remove four carbon brush supports A If necessary disconnect the electrical connections D 10 Check if the...

Page 44: ...blue cable Disconnect the connectors E and F from the detergent pump G Disconnect the hoses H from the union I and remove the tank holder D together with the detergent pump G 8 Disconnect the battery...

Page 45: ...MANUAL ENGLISH Adfinity 17ST 20ST X20R 20D X20D X20C X24D 9096982000 45 BRUSHING SYSTEM BRUSH MOTOR CARBON BRUSH CHECK REPLACEMENT For Adfinity 20D X20D Continues J J M J M O L J K N C D C I H F E G S...

Page 46: ...he protection clamp A 3 Remove the protection clamp A 4 For each carbon brush move the protection B and remove the screws C 5 Remove the carbon brushes D 6 Check if the carbon brushes D are worn Repla...

Page 47: ...ve four protection covers A by disengaging the fasteners 4 Remove the carbon brush nuts B with the lead in wires 5 Disengage the tabs C and remove the carbon brushes D 6 Check if the carbon brushes D...

Page 48: ...SH MOTOR CARBON BRUSH CHECK REPLACEMENT For Adfinity X20D 1 Remove the deck see the procedure in the relevant paragraph 2 Set the scrub deck on a workbench NOTE The brush motor does not need to be rem...

Page 49: ...ng into the brush holder Thread the brush wire lead through the brush holder Position the back end of the brush in the cup of the spring so that the spring will unroll as the brush is pushed back once...

Page 50: ...Adfinity X20D Continues 7 Install the wave washer 8 Install the end cover in stages Install it far enough so that the brushes will contact the commutator when the temporary retaining wires are removed...

Page 51: ...the deck see the procedure in the relevant paragraph 2 At the workbench remove the screw A from the deck 3 Remove the hub assembly B with a puller 4 Remove the screws C 5 Remove the reduction unit D 6...

Page 52: ...ssembly 1 Remove the deck see the procedure in the relevant paragraph 2 At the workbench remove the screw A and remove pad driver B 3 Remove counter weight screws C and remove counter weight 4 Remove...

Page 53: ...SERVICE MANUAL ENGLISH Adfinity 17ST 20ST X20R 20D X20D X20C X24D 9096982000 53 BRUSHING SYSTEM DECK COVER BUMPER WHEEL TORQUE For Adfinity X20R...

Page 54: ...ENGLISH SERVICE MANUAL 54 9096982000 Adfinity 17ST 20ST X20R 20D X20D X20C X24D BRUSHING SYSTEM DECK COVER BUMPER WHEEL TORQUE For Adfinity X20R Continues torque spec 50 60 in lbs 5 6 6 8 N m...

Page 55: ...move the case B 4 Loosen the nut C and move the pulley D to loosen the belt E 5 Remove the belt E 6 Remove the screws F 7 Remove the motor G Assembly 8 Assemble the components in the reverse order of...

Page 56: ...move the deck see the procedure in the relevant paragraph 2 At the workbench remove the screw A from the reduction unit which has to be disassembled 3 Remove the hub assembly B with a puller 4 Remove...

Page 57: ...the tension of the belt G according to the following procedure Replacement 7 If the belt G is to be replaced loosen the nut D and move the pulley K to loosen the belt 8 Tension the belt according to t...

Page 58: ...tors I 7 Check that the actuator E of the microswitch F is in the housing G of the cam H when the drive paddle is released D Also check that the cable contacts I are all open use a tester 8 Press the...

Page 59: ...damaged repair 4 The function electronic board is damaged replace 5 The wiring harness between function electronic board and brush motor electromagnetic switch is damaged repair 6 The brush motor elec...

Page 60: ...se the fasteners E and open the grid D recover the float F clean all the components and then reinstall them 6 Check the tank cover gasket G for integrity NOTE The gasket G creates vacuum in the tank t...

Page 61: ...on the same level along their length otherwise adjust their height according to the following procedure Release the tie rod G Fig 1 or 2 and loosen the wing nuts H Fig 1 or disengage the fasteners M F...

Page 62: ...ENGLISH SERVICE MANUAL 62 9096982000 Adfinity 17ST 20ST X20R 20D X20D X20C X24D RECOVERY WATER SYSTEM SQUEEGEE CLEANING CHECK REPLACEMENT AND SQUEEGEE BLADE REPLACEMENT continues S301552...

Page 63: ...y water disposal area For Adfinity X20R 20D X20D X20C X24D Turn the ignition key 80 to 0 For Adfinity 17ST 20ST Turn off the switches 71 and 73 Empty the recovery water tank 21 with the hose 16 2 Driv...

Page 64: ...m system motor B 3 Remove the screws C 4 Disconnect the electrical connections D 5 Remove the carbon brushes E 6 Check the carbon brushes for wear Replace the carbon brushes when the contact with the...

Page 65: ...rn the ignition key 80 to 0 For Adfinity 17ST 20ST Turn off the switches 71 and 73 4 Disconnect the battery connector 12 5 Grasp the handle 41 and carefully lift the tank 40 6 Remove the screws A and...

Page 66: ...squeegee C on the floor correctly 4 If necessary disassemble and replace the springs according to the following procedure Disassembly 5 Remove the squeegee see the procedure in the relevant paragraph...

Page 67: ...The vacuum grid with automatic shut off float is activated because the recovery water tank is full empty the recovery water tank 2 The vacuum grid with automatic shut off float is dirty or the vacuum...

Page 68: ...icroswitch F is in the position G of the cam H when the drive paddle is released D 8 Press the drive paddle D and check that the actuator E in the position K doesn t activate the microswitch F Also ch...

Page 69: ...nut C 4 Remove the screws D and move the cover E 5 Cut the fastening clamp F and disconnect the potentiometer connector G 6 Open the clamp H 7 Remove the potentiometer with the relevant wiring harnes...

Page 70: ...e rotation of the driving wheel C 6 Apply the amperometric pliers D on one cable E of the drive system motor 7 Turn the ignition key 80 to I 8 Turn the speed adjuster 4 to the maximum speed 9 With the...

Page 71: ...ition key 80 to 0 4 Disconnect the battery connector 12 5 Operating on the left side of the machine clean the drive system motor B in the area of the covers A 6 Unscrew the covers A and remove the car...

Page 72: ...paragraph 3 Remove the batteries see the procedure in the relevant paragraph 4 Prepare an hoisting system A on which the machine is to be laid on one side Place a panel B on the hoisting system to av...

Page 73: ...it in the drive system electronic board harness repair 5 The drive system electronic board is faulty replace The machine does not move Possible causes 1 The battery voltage is too low charge the batte...

Page 74: ...eplace the drive system electronic board 7 Overcurrent output Check the drive system motor electrical input if the electrical input is normal replace the drive system electronic board 8 Missing power...

Page 75: ...e on a hoisting system if available Otherwise drive the machine on a level floor 3 For Adfinity X20R 20D X20D X20C X24D Turn the ignition key 80 to 0 For Adfinity 17ST 20ST Turn off the switches 71 an...

Page 76: ...e appointed recovery water disposal area For Adfinity X20R 20D X20D X20C X24D Turn the ignition key 80 to 0 For Adfinity 17ST 20ST Turn off the switches 71 and 73 Empty the recovery water tank 21 with...

Page 77: ...tion for lead batteries or to GEL position for gel batteries 10 Install the window B and tighten the screws A BATTERY TYPE SETTING WET OR GEL For Adfinity X20R 20D X20D X20C X24D Set the electronic bo...

Page 78: ...holder J 4 Remove the screws A and carefully move aside the panel B by disengaging the grommet K from its housing on the panel B 5 Check replace the following fuses C F1 fuse deck 40 A D F2 fuse vacuu...

Page 79: ...le grommet C from its housing on the panel B 5 Disconnect the connectors D E F and remove the panel B 6 Disconnect the terminals G and H from the electromagnetic switch J Disconnect also the terminals...

Page 80: ...d carefully move aside the panel B by disengaging the cable grommet C from its housing on the panel B 5 Disconnect the connectors D E F and remove the panel B 6 Disconnect the connectors G of the driv...

Page 81: ...16 3 Remove the battery charger cable 6 from the cable holder 7 4 Remove the screws A and carefully move aside the panel B by disengaging the cable grommet C from its housing on the panel B 5 Disconn...

Page 82: ...tery charger and relevant connections can affect the machine operation 3 The battery charger is broken replace 4 There is an open in the fuses replace 5 The harness is cut pressed or short circuited r...

Page 83: ...finity 17ST 20ST Key BAT 24 V battery C1 Battery connector C2 Battery charger connector CH Battery charger optional CS Deck connector EB1 Function electronic board ES1 Brush electromagnetic switches E...

Page 84: ...Battery charger optional CS Deck connector EB1 Function electronic board ES1 Brush electromagnetic switches ES2 Vacuum system relay EV1 Water solenoid valve F1 Deck fuse F2 Vacuum system fuse F4 Sign...

Page 85: ...ystem electronic board ES1 Brush electromagnetic switches ES2 Vacuum system relay EV1 Detergent solenoid valve optional F1 Deck fuse F2 Vacuum system fuse F3 Drive system fuse F4 Signal circuit fuse F...

Page 86: ...E MANUAL 86 9096982000 Adfinity 17ST 20ST X20R 20D X20D X20C X24D ELECTRICAL SYSTEM COMPONENT LAYOUT For Adfinity 20D X20D X20C X24D Continues F4 F1 F2 ES2 ES1 C2 EB1 F5 F6 EB2 F3 CH CSC BAT M2 M4 M5...

Page 87: ...rive system motor M4 Water pump optional M5 Detergent pump optional RV2 Maximum speed potentiometer SW1 Drive system brush enabling microswitch SW2 Reverse gear microswitch Only for machines with cyli...

Page 88: ...tergent solenoid valve optional F1 Deck fuse F2 Vacuum system fuse F3 Drive system fuse F4 Signal circuit fuse F5 Brush pad holder release fuse F6 Pump fuse HM Hour counter optional K1 Ignition key M1...

Page 89: ...ional F1 Deck fuse F2 Vacuum system fuse F3 Drive system fuse F4 Signal circuit fuse F5 Brush pad holder release fuse F6 Pump fuse HM Hour counter optional K1 Ignition key M1 Brush pad holder motor M2...

Page 90: ...BAT 2 Ignition key circuit power supply IN OUT 24V always with connected batteries K1 3 Auxiliary signal power supply OUT 24V always with connected batteries SW1 SW2 4 Hour counter power supply OUT 0V...

Page 91: ...different frequencies according to the setting solution flow M5 5 B type deck configuration return IN 24V always with cylindrical brush deck installed CSC 2 6 Auxiliary power supply OUT 24V with key o...

Page 92: ...14600 21st Avenue North Plymouth MN 55447 3408 www advance us com Phone 800 989 2235 Fax 800 989 6566 2012 Nilfisk Advance Inc A Nilfisk Advance Brand...

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