AdfinityTM 17ST / 20ST 20D / X20D / X20C / X24D SERVICE MANUAL Advance model: 908 7161 020 - 908 7162 020 - 908 7163 020 - 908 7164 020 - 908 7165 020 - 908 7166 020 9096982000(1)2007-02
ENGLISH SERVICE MANUAL 9096982000(1)2007-02 AdfinityTM 17 ST, 20 ST, 20 D, X 20 D, X 20 C, X 24 D
SERVICE MANUAL ENGLISH TABLE OF CONTENTS GENERAL INFORMATION.......................................................................................................................................... 5 CONVENTIONS...................................................................................................................................................... 5 MACHINE LIFTING..................................................................................................................................
ENGLISH SERVICE MANUAL RECOVERY WATER SYSTEM.................................................................................................................................. 43 RECOVERY WATER TANK AND VACUUM GRID CLEANING, AND COVER GASKET CHECK........................ 43 SQUEEGEE CLEANING/CHECK/REPLACEMENT AND SQUEEGEE BLADE REPLACEMENT....................... 44 VACUUM SYSTEM MOTOR FILTER CLEANING................................................................................................
SERVICE MANUAL ENGLISH GENERAL INFORMATION CONVENTIONS Forward, backward, front, rear, left or right are intended with reference to the operator’s position, that is to say in driving position with the hands on the handlebar. MACHINE LIFTING WARNING! 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.
ENGLISH SERVICE MANUAL GENERAL INFORMATION WARNING! – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – Always protect the machine against the sun, rain and bad weather, both under operation and inactivity condition. Store the machine indoors. Do not allow to be used as a toy. Close attention is necessary when used near children. Use only as shown in this Manual. Only Nilfisk-Advance recommended accessories must be used.
SERVICE MANUAL ENGLISH GENERAL INFORMATION TECHNICAL DATA (For AdfinityTM 17 ST - 20 ST) AdfinityTM 17 ST (1 brush/pad-holder) Model Machine height AdfinityTM 20 ST (1 brush/pad-holder) 41.6 in (1,058.5 mm) Solution/clean water tank capacity 10.5 gal (40 litres) Recovery water tank capacity 10.5 gal (40 litres) Front wheel diameter 7.8 in (200 mm) Front wheel specific pressure on the ground * 174 lbf/in2 (1.
ENGLISH SERVICE MANUAL GENERAL INFORMATION TECHNICAL DATA (For AdfinityTM 20 D - X 20 D - X 20 C - X 24 D) AdfinityTM 20 D Model AdfinityTM X 20 D (1 brush/padholder) AdfinityTM X 20 C (1 brush/padholder) (2 cylindrical brushes) Machine height 42.8 in (1,088 mm) Solution/clean water tank capacity 15.3 gal (58 litres) Recovery water tank capacity 16.0 gal (60 litres) Front wheel diameter AdfinityTM X 24 D (2 brushes/padholders) 9.
SERVICE MANUAL ENGLISH GENERAL INFORMATION Technical data for machines with cylindrical brush deck AdfinityTM X 20 C Model (2 cylindrical brushes) Cleaning width 20.0 in (510 mm) Squeegee width 30.0 in (760 mm) Machine maximum length 49.3 in (1,253 mm) Machine width without squeegee 22.7 in (575.5 mm) Cylindrical brush size (diameter x length) 4.3 x 20.0 in (110 x 485 mm) Weight without batteries and with empty tanks 247.0 lb (112 kg) Maximum weight with batteries and full tanks 573.
ENGLISH SERVICE MANUAL GENERAL INFORMATION MACHINE NOMENCLATURE (For AfinityTM 17 ST - 20 ST) Throughout this Manual you will find numbers in brackets – for example: (2). These numbers refer to the components indicated in these two nomenclature pages. Refer to these pages whenever you need to identify a component mentioned in the text. Portare la macchina su un pavimento pianeggiante. 1. 2. 5. 6. 7. 9. 10. 11. 11a. 11b. 12.
SERVICE MANUAL ENGLISH GENERAL INFORMATION MACHINE NOMENCLATURE (For AfinityTM 17 ST - 20 ST) (Continues) 22 24 1 23 2 21 41 3 4 19 44 10 17 14 43 5 6 7 16 20 18 40 58 42 11b 52 11 11a 53 12 13 26 55 26 25 15 27 30b 9 33 39 32 72 74 30a 73 79 34 71 31 81 82 35 81a 82b 82c 36 82a 81c 81b 37 38 94 93 92 91 55 51-54 S301514A 28 56 90 29 AdfinityTM 17 ST, 20 ST, 20 D, X 20 D, X 20 C, X 24 D 9096982000(1)2007-02 11
ENGLISH SERVICE MANUAL GENERAL INFORMATION MACHINE NOMENCLATURE (For AfinityTM 20 D - X 20 D - X 20 C - X 24 D) Throughout this Manual you will find numbers in brackets – for example: (2). These numbers refer to the components indicated in these two nomenclature pages. Refer to these pages whenever you need to identify a component mentioned in the text. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 11a. 11b. 11c.
SERVICE MANUAL ENGLISH GENERAL INFORMATION MACHINE NOMENCLATURE (For AfinityTM 20 D - X 20 D - X 20 C - X 24 D) (Continues) 23 24 1 2 22 3 5 21 9 4 6 29 20 17 16 56 10 7 8 11c 11b 18a 11a 19a 14 28 33 32 11 54 30b 39 26 15 25 12 27 55 13 40 42 26 41 44 30a 34 43 31 58 35 48 52 53 36 37 46 45 18b 47 38 18c 19a 47 19b 48 45 51 50 46 S301516A 49 AdfinityTM 17 ST, 20 ST, 20 D, X 20 D, X 20 C, X 24 D 57 9096982000(1)2007-02 13
ENGLISH SERVICE MANUAL GENERAL INFORMATION MACHINE NOMENCLATURE (For AfinityTM 20 D - X 20 D - X 20 C - X 24 D) (Continues) 73 74 75 76 78 77 79 72 80 81 71 83 82 81c 82b 84 82c 81b 81a 82a 92 94 93 91 90 S301517A 14 9096982000(1)2007-02 AdfinityTM 17 ST, 20 ST, 20 D, X 20 D, X 20 C, X 24 D
SERVICE MANUAL ENGLISH SOLUTION/CLEAN WATER SUPPLY SYSTEM SOLUTION/CLEAN WATER TANK AND SUPPLY SYSTEM CLEANING 1. 2. 3. 4. 5. 6. 7. 8. Drive the machine to the appointed solution disposal area. • (For AdfinityTM 20 D - X 20 D - X 20 C - X 24 D) Turn the ignition key (80) to “0”. • (For AdfinityTM 17 ST - 20 ST) Turn off the switches (71) and (73). Empty the solution/clean water tank (20) with the hose (17).
ENGLISH SERVICE MANUAL SOLUTION/CLEAN WATER SUPPLY SYSTEM SOLUTION FILTER CLEANING (For AdfinityTM 20 D) 1. 2. 3. 4. Drive the machine on a level floor. Turn the ignition key (80) to “0”. Close the solution tap (A) under the machine left lower side. The tap (A) is closed when it is on the position (B) and it is open when it is on the position (C). Remove the transparent cover (D), then remove the filter strainer (E). Clean and install them on the support (F).
SERVICE MANUAL ENGLISH SOLUTION/CLEAN WATER SUPPLY SYSTEM SOLENOID VALVE DISASSEMBLY/ASSEMBLY (For AdfinityTM 20 D - X 20 D - X 20 C - X 24 D) Disassembly 1. (For machines with brushes/pad-holders) Remove the brushes/pad-holders. 2. Lower the deck by pressing the pedal (11). 3. (For AdfinityTM 20 D) Loosen the clamp (A) and disconnect the hoses (B) from the filter assembly (C). 4. Disconnect the union (D) from the solenoid valve (E) and recover the gasket. 5.
ENGLISH SERVICE MANUAL AXP CLEAN WATER FILTER CLEANING (For AdfinityTM X 20 D - X 20 C - X 24 D) 1. 2. 3. 4. 5. Drive the machine on a level floor. Turn the ignition key (80) to “0”. Open the cover (22) and check that the recovery water tank (21) is empty, otherwise empty it with the drain hose (16). Grasp the handle (41) and carefully lift the tank (40).
SERVICE MANUAL ENGLISH AXP DETERGENT TANK CLEANING (For AdfinityTM X 20 D - X 20 C - X 24 D) 1. 2. 3. Drive the machine to the appointed detergent disposal area. Turn the ignition key (80) to “0”. Open the cover (22) and check that the recovery water tank (21) is empty, otherwise empty it with the drain hose (16). Close the cover (22). 4. Grasp the handle (41) and carefully lift the tank (40). 5. Unscrew the union and remove the hose (48) from the tank (45). 6.
ENGLISH SERVICE MANUAL AXP WATER PUMP DISASSEMBLY/ASSEMBLY (For AdfinityTM X 20 D - X 20 C - X 24 D) Disassembly 1. If the tank (21) contains recovery water: • Drive the machine to the appointed recovery water 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 lift the tank (40). 5. Disconnect the connector (A). 6.
SERVICE MANUAL ENGLISH AXP DETERGENT PUMP AND CHECK VALVE DISASSEMBLY/ASSEMBLY (For AdfinityTM X 20 D - X 20 C - X 24 D) (Continues) B C D A C E F G K G I J M H K L J S301528A AdfinityTM 17 ST, 20 ST, 20 D, X 20 D, X 20 C, X 24 D 9096982000(1)2007-02 21
ENGLISH SERVICE MANUAL AXP TROUBLESHOOTING SMALL AMOUNT OF DETERGENT OR NO DETERGENT REACHES THE BRUSHES Possible causes: 1. The detergent flow percentage is too low (check/change the percentage as shown in the User Manual). 2. The hydraulic circuit upstream of the detergent pump is not triggered (check if the hose (48) is filled and, if necessary, perform one or more draining cycle, as shown in the relevant paragraph). 3.
SERVICE MANUAL ENGLISH BRUSHING SYSTEM BRUSH/PAD CLEANING CAUTION! It is advisable to wear protective gloves when cleaning the brushes/pads because there may be sharp debris. 1. 2. 3. 4. Remove the brushes/pads, as shown in the User Manual. Clean and wash the brushes/pads with water and detergent. Check that the brush/pads are integral and not excessively worn; otherwise replace them. (For AdfinityTM X 20 C) Remove the debris container (A) by pulling it on one side with the handle (B).
ENGLISH SERVICE MANUAL BRUSHING SYSTEM BRUSH/PAD-HOLDER/CYLINDRICAL BRUSH DECK DISASSEMBLY/ASSEMBLY (For AdfinityTM 20 D - X 20 D - X 20 C - X 24 D) The machine can be equipped with either the brush/pad-holder deck (18a and 18b) or the cylindrical brush deck (18c), according to the following procedures. CAUTION! When the deck is installed/removed, it may be necessary to change the squeegee too, because they must have the same width.
SERVICE MANUAL ENGLISH BRUSHING SYSTEM BRUSH MOTOR ELECTRICAL INPUT CHECK (For AdfinityTM 17 ST - 20 ST) WARNING! This procedure must be performed by qualified personnel only. Check 1. If the tank (21) contains recovery water: • Drive the machine to the appointed recovery water disposal area. • Turn off the switches (71) and (73). • Empty the recovery water tank (21) with the hose (16). 2. Drive the machine on a level floor. 3. Remove the brush/pad-holder. 4. Lower the deck by pressing the pedal (11). 5.
ENGLISH SERVICE MANUAL BRUSHING SYSTEM BRUSH MOTOR ELECTRICAL INPUT CHECK (For AdfinityTM 20 D - X 20 D) WARNING! This procedure must be performed by qualified personnel only. Check 1. If the tank (21) contains recovery water: • Drive the machine to the appointed recovery water 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. Remove the brush/pad-holder. 4. Lower the deck by pressing the pedal (11). 5.
SERVICE MANUAL ENGLISH BRUSHING SYSTEM BRUSH MOTOR ELECTRICAL INPUT CHECK (For AdfinityTM 20 D - X 20 D) (Continues) A B C E D G F C I H K J L S301534A AdfinityTM 17 ST, 20 ST, 20 D, X 20 D, X 20 C, X 24 D 9096982000(1)2007-02 27
ENGLISH SERVICE MANUAL BRUSHING SYSTEM BRUSH MOTOR ELECTRICAL INPUT CHECK (For AdfinityTM X 20 C) WARNING! This procedure must be performed by qualified personnel only. Check 1. Remove the cylindrical brushes, as shown in the User Manual. 2. Lower the deck by pressing the pedal (11). 3. Apply the amperometric pliers (A) on one cable (B) of the brush motor (C). 4. Turn the speed adjuster (84) to idle and turn the ignition key (80) to “I”. 5.
SERVICE MANUAL ENGLISH BRUSHING SYSTEM BRUSH MOTOR ELECTRICAL INPUT CHECK (For AdfinityTM X 24 D) WARNING! This procedure must be performed by qualified personnel only. Check 1. Remove the brushes, as shown in the User Manual. 2. Lower the deck by pressing the pedal (11). 3. Apply the amperometric pliers (A) on one cable (B) of the brush motor (C). 4. Turn the speed adjuster (84) to idle and turn the ignition key (80) to “I”. 5.
ENGLISH SERVICE MANUAL BRUSHING SYSTEM BRUSH MOTOR CARBON BRUSH CHECK/REPLACEMENT (For AdfinityTM 17 ST - 20 ST) Check 1. If the tank (21) contains recovery water: • Drive the machine to the appointed recovery water disposal area. • Turn off the switches (71) and (73). • Empty the recovery water tank (21) with the hose (16). 2. Drive the machine on a level floor. 3. Remove the brush/pad-holder. 4. Lower the deck by pressing the pedal (11). 5. Turn off the switches (71) and (73). 6.
SERVICE MANUAL ENGLISH BRUSHING SYSTEM BRUSH MOTOR CARBON BRUSH CHECK/REPLACEMENT (For AdfinityTM 20 D - X 20 D) Check 1. If the tank (21) contains recovery water: • Drive the machine to the appointed recovery water 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. Remove the brush/pad-holder. 4. Lower the deck by pressing the pedal (11). 5. Turn the ignition key (80) to “0”. 6.
ENGLISH SERVICE MANUAL BRUSHING SYSTEM BRUSH MOTOR CARBON BRUSH CHECK/REPLACEMENT (For AdfinityTM 20 D - X 20 D) (Continues) C E D G F C I H M J J OL N J M K J S301541A 32 9096982000(1)2007-02 AdfinityTM 17 ST, 20 ST, 20 D, X 20 D, X 20 C, X 24 D
SERVICE MANUAL ENGLISH BRUSHING SYSTEM BRUSH MOTOR CARBON BRUSH CHECK/REPLACEMENT (For AdfinityTM X 20 C) Check 1. Remove the brush motor (see the procedure in the relevant paragraph). 2. At the workbench, remove dust and debris from the motor, especially in the area of the 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.
SERVICE MANUAL ENGLISH BRUSHING SYSTEM BRUSH MOTOR CARBON BRUSH CHECK/REPLACEMENT (For AdfinityTM X 24 D) Check 1. Remove the deck (see the procedure in the relevant paragraph). 2. At the workbench, remove dust and debris from the motor, especially in the area of the carbon brushes. 3. Remove 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.
SERVICE MANUAL ENGLISH BRUSHING SYSTEM BRUSH MOTOR DISASSEMBLY/ASSEMBLY (For AdfinityTM 17 ST - 20 ST - 20 D - X 20 D) 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.
ENGLISH SERVICE MANUAL BRUSHING SYSTEM BRUSH MOTOR DISASSEMBLY/ASSEMBLY (For AdfinityTM X 20 C) Disassembly 1. Remove the cylindrical brush deck (see the procedure in the relevant paragraph). 2. At the workbench, remove the screw (A) from the motor which has to be disassembled. 3. Remove 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.
SERVICE MANUAL ENGLISH BRUSHING SYSTEM BRUSH MOTOR DISASSEMBLY/ASSEMBLY (For AdfinityTM X 24 D) Disassembly 1. Remove 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 the screws (C). 5. Remove the reduction unit (D). 6. Recover the key (E). Assembly 7. Assemble the components in the reverse order of disassembly.
ENGLISH SERVICE MANUAL BRUSHING SYSTEM CHECK/REPLACEMENT/ADJUSTMENT OF DRIVING BELTS FROM MOTORS TO CYLINDRICAL BRUSHES (For AdfinityTM X 20 C) Check 1. Drive the machine on a level floor. 2. Turn the ignition key (12) to “0”. 3. Lower the cylindrical brush deck by pressing the pedal (11). 4. Remove the screws (A) and remove the covers (B). 5. Visually inspect the belt (C) for integrity, cuts, tears or cracks, otherwise replace it according to the following procedure. 6.
SERVICE MANUAL ENGLISH BRUSHING SYSTEM BRUSH ENABLING MICROSWITCH ADJUSTMENT/REPLACEMENT (For AdfinityTM 20D - X 20 D - X 20 C - X 24 D) 1. 2. 3. 4. 5. 6. 7. 8. Drive the machine on a level floor. Turn the ignition key (80) to “0”. Disconnect the battery connector (12). Remove the screws (A) and move the drive paddle cover (B). Check that the springs (C) operate correctly when releasing the drive paddle (D).
ENGLISH SERVICE MANUAL BRUSHING SYSTEM TROUBLESHOOTING ALL BRUSHES DO NOT ROTATE Possible causes 1. The brush enabling microswitch is misadjusted or broken (adjust or replace). 2. The wiring harness between microswitch and function electronic board is damaged (repair). 3. The brush motor electromagnetic switch wiring harness is damaged (repair). 4. The function electronic board is damaged (replace). 5.
SERVICE MANUAL ENGLISH RECOVERY WATER SYSTEM RECOVERY WATER TANK AND VACUUM GRID CLEANING, AND COVER GASKET CHECK 1. 2. 3. 4. 5. 6. Drive the machine to the appointed recovery water disposal area. • (For AdfinityTM 20 D - X 20 D - X 20 C - X 24 D) Turn the ignition key (80) to “0”. • (For AdfinityTM 17 ST - 20 ST) Turn off the switches (71) and (73). Lift the cover (A) to washing position (L). Wash with clean water the cover (A), the tank (B) and the vacuum grid with automatic shut-off float (D).
ENGLISH SERVICE MANUAL RECOVERY WATER SYSTEM SQUEEGEE CLEANING/CHECK/REPLACEMENT AND SQUEEGEE BLADE REPLACEMENT CAUTION! It is advisable to wear protective gloves when cleaning the squeegee because there may be sharp debris. Disassembly and cleaning 1. Drive the machine on a level floor. 2. • (For AdfinityTM 20 D - X 20 D - X 20 C - X 24 D) Turn the ignition key (80) to “0”. • (For AdfinityTM 17 ST - 20 ST) Turn off the switches (71) and (73). 3. Lower the squeegee (25) with the lever (10). 4.
SERVICE MANUAL ENGLISH RECOVERY WATER SYSTEM VACUUM SYSTEM MOTOR FILTER CLEANING Disassembly and cleaning 1. If the tank (21) contains recovery water: • Drive the machine to the appointed recovery water disposal area. • (For AdfinityTM 20 D - X 20 D - X 20 C - X 24 D) Turn the ignition key (80) to “0”. • (For AdfinityTM 17 ST - 20 ST) Turn off the switches (71) and (73). • Empty the recovery water tank (21) with the hose (16). 2. Drive the machine on a level floor. 3.
ENGLISH SERVICE MANUAL RECOVERY WATER SYSTEM VACUUM SYSTEM MOTOR CARBON BRUSH CHECK/REPLACEMENT 1. 2. 3. 4. 5. 6. 7. 8. Remove the vacuum system motor (see the procedure in the relevant paragraph). At the workbench, remove the cover (A) (press-fitted) from the vacuum system motor (B). Remove the screws (C). Disconnect the electrical connections (D). Remove the carbon brushes (E). Check the carbon brushes for wear.
SERVICE MANUAL ENGLISH RECOVERY WATER SYSTEM VACUUM SYSTEM MOTOR DISASSEMBLY/ASSEMBLY Disassembly 1. If the tank (21) contains recovery water: • Drive the machine to the appointed recovery water disposal area. • (For AdfinityTM 20 D - X 20 D - X 20 C - X 24 D) Turn the ignition key (80) to “0”. • (For AdfinityTM 17 ST - 20 ST) Turn off the switches (71) and (73). • Empty the recovery water tank (21) with the hose (16). 2. Drive the machine on a level floor. 3.
ENGLISH SERVICE MANUAL RECOVERY WATER SYSTEM SQUEEGEE SPRING CHECK/REPLACEMENT (All models, with aluminium squeegee) Check 1. Drive the machine on a level floor. 2. • (For AdfinityTM 20 D - X 20 D - X 20 C - X 24 D) Turn the ignition key (80) to “0”. • (For AdfinityTM 17 ST - 20 ST) Turn off the switches (71) and (73). 3. Check that the springs (A) and (B) push the squeegee (C) on the floor correctly. 4. If necessary, disassemble and replace the springs according to the following procedure. Disassembly 5.
SERVICE MANUAL ENGLISH DRIVE SYSTEM TRACTION ENABLING MICROSWITCH ADJUSTMENT/REPLACEMENT (For AdfinityTM 20 D, X 20 D, X 20 C, X 24 D) 1. 2. 3. 4. 5. 6. 7. 8. 9. Drive the machine on a level floor. Turn the ignition key (80) to “0”. Disconnect the battery connector (12). Remove the screws (A) and move the drive paddle cover (B). Check that the springs (C) operate correctly when releasing the drive paddle (D).
ENGLISH SERVICE MANUAL DRIVE SYSTEM MAXIMUM SPEED POTENTIOMETER DISASSEMBLY/ASSEMBLY (AdfinityTM 20 D, X 20 D, X 20 C, X 24 D) Disassembly 1. Disconnect the battery connector (12). 2. Operating inside the hole (A), loosen the threaded dowel and remove the maximum speed adjuster knob (B). 3. Unscrew the potentiometer mounting 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.
SERVICE MANUAL ENGLISH DRIVE SYSTEM DRIVE SYSTEM MOTOR ELECTRICAL INPUT CHECK (For AdfinityTM 20 D, X 20 D, X 20 C, X 24 D) WARNING! This procedure must be performed by qualified personnel only and with the help of an assistant. 1. 2. 3. 4. 5. Check that the batteries are completely charged, otherwise charge them as shown in the User Manual. If the tank (21) contains recovery water: • Drive the machine to the appointed recovery water disposal area. • Turn the ignition key (80) to “0”.
ENGLISH SERVICE MANUAL DRIVE SYSTEM DRIVE SYSTEM MOTOR CARBON BRUSH CHECK AND REPLACEMENT (For AdfinityTM 20 D, X 20 D, X 20 C, X 24 D) 1. 2. 3. 4. 5. 6. 7. 8. Drive the machine to the appointed disposal area, and empty the recovery water tank (21) with the hose (16). Place the machine on a hoisting system (if available). Otherwise, drive the machine on a level floor. Turn the ignition key (80) to “0”. Disconnect the battery connector (12).
SERVICE MANUAL ENGLISH DRIVE SYSTEM DRIVE SYSTEM MOTOR-DIFFERENTIAL DISASSEMBLY/ASSEMBLY (AdfinityTM 20 D, X 20 D, X 20 C, X 24 D) Disassembly 1. If the tank (21) and/or (20) contains recovery water: • Drive the machine to the appointed disposal area. • Turn the ignition key (80) to “0”. • Empty the recovery water tank (21) with the hose (16). • Empty the solution/clean water tank (20) with the hose (17). 2. Remove the squeegee (see the procedure in the relevant paragraph). 3.
ENGLISH SERVICE MANUAL DRIVE SYSTEM TROUBLESHOOTING OPEN CIRCUIT Possible causes: 1. There are bulky debris or cords under the machine or around the driving wheels (remove the debris). 2. The motor is damaged (check the motor electrical input). 3. The floor gradient is excessive (do not use the drive system on slopes with a gradient exceeding the specifications). 4. There is a short circuit in the drive system electronic board harness (repair). 5. The drive system electronic board is faulty (replace).
SERVICE MANUAL ENGLISH DRIVE SYSTEM TROUBLESHOOTING (Continues) DRIVE SYSTEM ELECTRONIC BOARD DIAGNOSTIC TABLE No.
ENGLISH SERVICE MANUAL OTHER SYSTEMS SCREW AND NUT TIGHTENING CHECK 1. 2. 3. 4. 5. 6. 7. Drive the machine to the appointed disposal area, and empty the recovery water tank (21) with the hose (16). Place the machine on a hoisting system (if available). Otherwise, drive the machine on a level floor. • (For AdfinityTM 20 D, X 20 D, X 20 C, X 24 D) Turn the ignition key (80) to “0”. • (For AdfinityTM 17 ST, 20 ST) Turn off the switches (71) and (73). Grasp the handle (41) and carefully lift the tank (40).
SERVICE MANUAL ENGLISH ELECTRICAL SYSTEM MACHINE WORKING HOUR CHECK (optional) 1. 2. 3. 4. (For AdfinityTM 20 D, X 20 D, X 20 C, X 24 D) Turn the ignition key (80) to “I”. Press the vacuum system switch (73) and read on the hour counter (79) the total number of working hours (scrubbing/ drying) performed by the machine. Turn off the vacuum system by pressing the switch (73). (For AdfinityTM 20 D, X 20 D, X 20 C, X 24 D) Turn the ignition key (80) to “0”.
ENGLISH SERVICE MANUAL ELECTRICAL SYSTEM BATTERY TYPE SETTING (WET OR GEL) (For For AdfinityTM 17 ST, 20 ST) Set the electronic board of the machine and of the battery charger according to the type of batteries installed (WET or GEL) as shown below: Machine setting 1. Press the switch (71) or (73) and pay attention to the following in the very first seconds of machine operation: • If the green warning light (81a) is flashing, the machine is set to GEL.
SERVICE MANUAL ENGLISH ELECTRICAL SYSTEM FUSE CHECK/REPLACEMENT 1. 2. 3. 4. 5. Disconnect the battery connector (12). Move aside the recovery water drain hose (16). Remove the battery charger cable (I) from the cable holder (J). Remove the screws (A) and carefully move aside the panel (B) by disengaging the grommet (K) from its housing on the panel (B).
ENGLISH SERVICE MANUAL ELECTRICAL SYSTEM BRUSH MOTOR ELECTROMAGNETIC SWITCH DISASSEMBLY/ASSEMBLY Disassembly 1. Disconnect the battery connector (12). 2. Move aside the recovery water drain hose (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. Disconnect the connectors (D), (E), (F), and remove the panel (B). 6.
SERVICE MANUAL ENGLISH ELECTRICAL SYSTEM DRIVE SYSTEM ELECTRONIC BOARD DISASSEMBLY/ASSEMBLY (For AdfinityTM 20 D, X 20 D, X 20 C, X 24 D) Disassembly 1. Disconnect the battery connector (12). 2. Move aside the recovery water drain hose (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.
SERVICE MANUAL ENGLISH ELECTRICAL SYSTEM FUNCTION ELECTRONIC BOARD DISASSEMBLY/ASSEMBLY Disassembly 1. Disconnect the battery connector (12). 2. Move aside the recovery water drain hose (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. Disconnect the connectors (D), (E), (F), and remove the panel (B). 6.
SERVICE MANUAL ENGLISH ELECTRICAL SYSTEM TROUBLESHOOTING the previous chapters related to the use of the electrical system. Other possible causes: 1. The batteries are discharged or the connections are not efficient (charge the batteries or clean the connections). 2. The batteries are broken (check the battery no-load voltage).Assembly NOTE A fault in the battery charger and relevant connections can affect the machine operation. 3. 4. 5. 6. The battery charger is broken (replace).
ENGLISH SERVICE MANUAL ELECTRICAL SYSTEM COMPONENT LAYOUT (For AdfinityTM 17 ST, 20 ST) Key: BAT: C1: C2: CH: CS: EB1: ES1: ES2: EV1: F1: F2: F4: HM: M1: M2: 24 V battery Battery connector Battery charger connector Battery charger (optional) Deck connector Function electronic board Brush electromagnetic switches Vacuum system relay Water solenoid valve Deck fuse Vacuum system fuse Signal circuit fuse Hour counter (optional) Brush/pad-holder motor Vacuum system motor EV1 C1 CS M1 M2 BAT EB1 HM C2 F
SERVICE MANUAL ENGLISH ELECTRICAL SYSTEM WIRING DIAGRAM (For AdfinityTM 17 ST, 20 ST) Key: BAT: C1: C2: CH: CS: EB1: ES1: ES2: EV1: F1: F2: F4: HM: M1: M2: 24 V battery Battery connector Battery charger connector Battery charger (optional) Deck connector Function electronic board Brush electromagnetic switches Vacuum system relay Water solenoid valve Deck fuse Vacuum system fuse Signal circuit fuse Hour counter (optional) Brush/pad-holder motor Vacuum system motor Colour codes: BK: Black BU: Blue BN: Br
ENGLISH SERVICE MANUAL ELECTRICAL SYSTEM COMPONENT LAYOUT (For AdfinityTM 20 D, X 20 D, X 20 C, X 24 D) Key: BAT: C1: C2: CH: CSC: EB1: EB2: ES1: ES2: EV1: F1: F2: F3: F4: F5: F6: HM: K1: M1: M2: M3: M4: M5: RV1: RV2: SW1: 24 V battery Battery connector Battery charger connector Battery charger (optional) Cylindrical brush deck secondary connector Function electronic board Drive system electronic board Brush electromagnetic switches Vacuum system relay Detergent solenoid valve (optional) Deck fuse Vacuum
SERVICE MANUAL ENGLISH ELECTRICAL SYSTEM COMPONENT LAYOUT (For AdfinityTM 20 D, X 20 D, X 20 C, X 24 D) (Continues) M2 M4 BAT M3 M5 M1 EB1 EB2 F2 C2 F3 F4 CSC F5 F6 ES2 CH ES1 F1 S301580A AdfinityTM 17 ST, 20 ST, 20 D, X 20 D, X 20 C, X 24 D 9096982000(1)2007-02 65
ENGLISH SERVICE MANUAL ELECTRICAL SYSTEM WIRING DIAGRAM (For AdfinityTM 20 D, X 20 D, X 20 C, X 24 D) Key: BAT: C1: C2: CH: CSC: EB1: EB2: ES1: ES2: EV1: F1: F2: F3: F4: F5: F6: HM: K1: M1: M2: M3: 24 V battery Battery connector Battery charger connector Battery charger (optional) Cylindrical brush deck secondary connector Function electronic board Drive system electronic board Brush electromagnetic switches Vacuum system relay Detergent solenoid valve (optional) Deck fuse Vacuum system fuse Drive system
