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1. 10mm gt 0 4 in B If it is not possible to adjust the rear skirt properly replace it see the procedure in the relevant paragraph 16 The front skirt cannot be adjusted if necessary replace it see the procedure in the relevant paragraph Reassembly 17 Install the main broom see the procedure in the relevant paragraph 18 Install the hopper by using its transport handle and wheels P200299 Service Manual SW900 Troubleshooting Trouble The machine collects little debris dust Possible causes The dust filter is clogged Main Broom System Remedy Clean the dust filter by using the filter shaker or by disassembling it The hopper is full Empty the hopper The skirts are not properly adjusted or are broken Adjust replace the skirts The brooms are not properly adjusted Adjust the broom height The main broom belt is misadjusted or worn Adjust or replace the main broom belt 107 Service Manual SW900 Removal and Installation Main Broom Removal Installation Note Brooms with harder or softer bristles are available This procedure is applicable to all types of brooms Warning It is advisable to wear protective gloves when replacing the main broom because there can be sharp debris between the bristles Disassembly 1 Drive the machine on a level floor and ensure that it cannot move Main Broom Syst
2. Engine battery and drive system holder Front element anchoring rear wheels Center element Technopolymer Front element supporting hopper supporting filter and main frame steering wheel and side brooms main broom P200260 Nilfisk Advance Service Manual SW900 Dust Control System Functional Description The dust generated in the compartment of the main broom is drawn toward the filter from a air flow gen erated by the fan on main motor Battery version or dynamotor Petrol version The filter located between the vacuum system and the hopper retain dirt which is then discharged into the hopper itself The operation of the system depends on the activation of the machine and the main broom The vacuum system consists of a fan installed on the main motor dynamotor which is powered by the re lay KO see Electrical and Control System chapter Wiring Diagram SW900 B with electric 4 eC J1 1 J1 2 MAIN MOTOR ELECTROMAGNETIC SWITCH KO BATTERY CHARGER CH SYSTEM FUSE 125 A FO BATTERY CHARGER FUSE N 12 V BATTERIES T BAT s 30 A F2 MAIN MOTOR 0 FILTER SHAKER RELAY K1 FILTER SHAKER MOTOR M1 of Le Dust Control System 27 VERSION WITH ELECTRICAL FILTER SHAKER The electric filter shaker system consists of a motor M1 which is powered by the relay K1 and protected by the fuse F1 see Electrical and
3. Specifications Model Advance Nilfisk Nilfisk SW900 B SW900 P Drive forward speed 2 8 mi h 4 5 km h Maximum gradient when working 2 96 Gradeability at full load and during transfer 18 Front wheels quantity diameter width 1 3 9 x 1 2 in 1 100 x 30 mm Rear wheels quantity diameter width 2 09 8 x 2 1 in N 2 0250 x 54 mm Minimum hallway width 40 9 in 1 040 mm Front rear wheelbase 33 6 in 853 mm Track centres of rear wheels 28 6 in 727 mm Nilfisk Advance 137
4. 3 5 Drive belt tensioner adjustment 1 main broom Drive belt check adjustment engine drive system Engine Oil Change 2 5 6 Spark plug check cleaning 5 Fuel tank and filter cleaning 4 5 Engine speed check Dust filter holder gasket check Engine air filter replacement 3 5 Spark plug replacement 2 5 Valve clearance check adjustment 4 5 Hopper gasket integrity check Hopper position microswitch operation check Drive belt replacement engine drive system main broom Dynamotor carbon brush check and replacement Engine combustion chamber cleaning 4 5 Fuel hose check 4 5 Every two years Or before use Orevery year 3 Or more often in dusty areas and data and is qualified to perform such procedures 5 For the relevant procedure see the Petrol Engine Manual 6 The first time after 20 hours or after one month Nilfisk Advance Maintenance procedures to be performed by an authorised Honda Dealer unless the operator has the service equipment Service Manual SW900 Frame System 26 Frame System Frame main parts Technopolymer main frame Center element supporting filter and main broom Front element anchoring rear wheels Front element supporting hopper steering wheel Rear metal frame and side brooms Engine battery and drive system holder
5. For the recovery skirt E loosen the screws K then adjust the position of the recovery Replace the skirts when they have cuts F skirt E Then tighten the screws K larger than 20 mm or cracks tears G larger than 10 mm see the procedure in the relevant paragraph 8 Liftthe tab A and turn the knob B counter clockwise until it is disengaged then open the left door C 0 1 mm 0 0 04 in gt 10 mm gt 20 gt 0 4 in gt 0 8 in y H P200339 Service Manual SW900 Main Broom System 106 Skirt Height Check and Adjustment Continues Front and Rear Skirt Check 11 12 13 14 15 Remove the main broom see the procedure in the relevant paragraph On the hopper F check the front skirt G for integrity Check the rear skirt H for integrity Replace the skirts when they have cuts A larger than 20 mm or cracks tears B larger than 10 mm see the procedure in the relevant paragraph Reinstall the hopper Check that the front skirt I and rear skirt J slightly rub the floor without being detached from it If necessary adjust the rear skirt height according to the following procedure Remove the hopper by using its transport handle and wheels Loosen the screws K and adjust the height of the rear skirt H by using the slots of the mounting holes After adjusting tighten the screws K 20mm gt 0 8 in
6. Right side broom flexible control cable OnNilfisk Right side Left side broom broom MA Right side broom motor M2 Left side broom motor M3 Right side broom flexible control cable Left side broom flexible control cable Right side broom microswitch SW2 Left side broom microswitch SW3 P200345 Service Manual SW900 Maintenance and Adjustments Side Broom Height Check and Adjustment Note Brooms with harder or softer gt bristles are available This procedure is applicable to all types of brooms Ja Note This procedure refers to a the right side broom height 8 adjustment the procedure for the left side broom is the same Drive the machine on a level floor Turn the ignition key to T Keep the machine stationary and activate the side broom lowering control lever in this position run the side broom for a few seconds Lift and stop the side broom then move the machine and turn it off Check the side broom print The print is correct when the bristles touch the floor along a circle arc A as shown in the figure If necessary adjust the height of the side broom by using the mechanical end of stroke B after loosening the locknut C when the adjustment is completed tighten the locknut C When the broom is too worn to be adjusted replace it see the procedure in the relevant paragraph Turn the ignition key to 0 Warning the side broom prin
7. Type of battery set on the machine E switch F switch G switch EXIDE OFF OFF OFF OPTIMA OFF ON OFF DISCOVER ON OFF OFF GEL AGM generic ON ON OFF WET all makes Any Any ON Set the switch H as shown below 13 Repeat steps 6 and 7 to check that the machine has been set correctly For batteries having capacity of 150Ah or higher discharge in 5 hours leave the 14 Reinstall the plate D and the floor mat C default setting to OFF nominal charge current 25A 15 Install the battery case 16 Install the batteries For batteries having capacity lower than 150Ah discharge in 5 hours set H switch to ON nominal charge current 15 P200315 Service Manual SW900 Main motor amperage check SW900 B 1 Warning 1 Drive the machine on a level floor and ensure that it cannot move This procedure must be performed by qualified personnel only 2 Turn the ignition key to 0 3 Remove the hopper by using its transport handle and wheels 4 Check that the side brooms are lifted 5 Disengage the front fastener and open the battery compartment hood 6 Remove the screws A and the right side panel B from the machine 7 Turn the tensioner C in the direction shown by the arrow and disengage the belt D from the pulley E Nilfi 10 11 12 Electrical and Control System 59 Turn the tensioner F in the direction shown by the arrow and disengag
8. 120 Service Manual SW900 Contents iv Maintenance and Adjustments 121 Side Broom Height Check and Adjustment 121 Troubleshooting Rem Sa MOOR GOSA RUP Ge GR UR UE 122 Removal and Installation 123 Side Broom Disassembly Assembly 2 arr rv a vr vr ee 123 Side Broom Motor Amperage Check 124 Side Broom Reduction Unit 1 125 Right Side Broom Control Cable Removal Installation 126 Side Broom Microswitch Adjustment and Removal Installation 128 ODeOHICALIONS sam s EE Nox RO duse FG Ro X pop ue 130 Wheel System Traction 131 Functional Description ix suv arks Hare dl da ks 4 ee Ge ede 131 Component Locations 132 Maintenance and Adjustments 133 Troubleshooting las 134 Removal and Installation lees 135 Drive system control cable disassembly assembly 135 Drive belt 136 SPECIHICALIONS 2 5 usse poe oo lenkes E X ao dk SE Xd Gad OR Y 137 Nilfisk Advance Service Manual SW900 General Information General Information Machine General Description The SW900 is a
9. 5A fuse FC left side broom motor 4 Reset any deactivated fuse when the component that caused deactivation has fully cooled down Electrical and Control System 51 Various Fuse Check Replacement 5 Remove the hopper by using its transport handle and wheels Disengage the front fastener and open the battery compartment hood Disconnect the battery connector Remove the rear grid after removing the upper mounting screw and disengaging the fasteners Disengage and open the cover I then check the fuse J 30A fuse F2 battery charger If necessary remove the nuts D and replace the fuse J Screw down and tighten the nuts P200277 Service Manual SW900 Electrical and Control System 52 Fuse Check Replacement Reset SW900 B Continues 10 Check replace the fuse E 5A lamellar fuse F1 electrical filter shaker 11 Check replace the fuse F 125A fuse F0 battery When reinstalling the fuse F engage its flange G on the electrical cable terminals H as shown in the figure Reassembly 12 13 14 15 Install the rear grid by engaging the fasteners and then tighten the upper mounting screw Connect the battery connector Close the battery compartment hood and engage the front fastener Install the hopper by using its transport handle and wheels P200278 Service Manual SW900 Electrical and Control System 53 Fuse Check Replacement Reset
10. IGNITION COIL SPARK PLUG P200331 Service Manual SW900 Petrol Engine System 86 Component Locations Petrol engine Engine belt Engine switch Engine oil level outer check plug Engine oil filler plug Engine oil level inner check plug Engine oil drain plug Engine oil Engine oil level drain plug outer check plug Engine oil level Petrol Engine Engine oil Engine oil inner check plug engine switch filler plug drain plug P200332 Service Manual SW900 Maintenance and Adjustments Engine RPM Check and Adjustment Check 1 Drive the machine on a level floor and ensure that it cannot move 2 Turn the ignition key to 0 3 Remove the rear grid A after removing the upper mounting screw B and disengaging the fasteners 4 Apply on the engine pulley C an adhesive indicator D for counting the engine speed 5 Turn the ignition key to 7 and start the petrol engine as shown in the User Manual wait 5 10 minutes that the engine reaches the target Speed Petrol Engine System 87 6 Point a revolution counter on the adhesive indicator D of the engine pulley C then detect the engine speed which must be 3 000 50 rpm If necessary adjust the engine speed as shown below Adjustment 7 Turn the ignition key to 0 8 Remove the hopper by using its transport handle and wheels P200284 Service Manual SW900 Petrol Engine System 88
11. Speoficatlong s 220 odo ouo Sog ACE ETE Aa A ee 4 100 Main Broom System 101 Functional 101 Wine Diagram 24 gt ss SEG Sor G kue kok Gone a ee hd k r enm de 101 Component Locations 102 Maintenance and Adjustments 103 Main Broom Height Check and Adjustment 103 Skirt Height Check and Adjustment 104 Troubleshooting 2 2 2242422 s s 107 Removal and Installation 108 Main Broom Removal Installation 108 Main Broom Belt Check Replacement 111 Main Broom Pulley and Hexagonal Drive Hub 113 Skirt Removal Installation 114 Specc tionss aa Pre GRS Pee 117 side Broom System s e sa c se oo Gre WR Boe CO US Wee 118 Functional 118 Battery 118 Petrol Version suda e ouk saks d s k BUR UE GAGE GER UE Se RN Eeg 118 Wiring Diagram SW900 B vs Gps SK RUE xS GUDE SOLE BAG sleder der dius 119 Wiring Diagram 5 900 119 Component Locations
12. The filter is clogged Dust Control System Remedy Clean the dust filter by using the filter shaker or by disassembling it The vacuum system compartment gasket is damaged Repair replace No vacuuming The electrical filter shaker does not work The hopper is full Empty the hopper The main motor circuit breaker FA is open Wait for the main motor to cool down then reset the fuse by pressing the relevant push button The fuse F2 is open Replace the fuse The relay K1 is broken Replace Dust debris vacuuming is insufficient The switch SW1 is not efficient Replace The filter shaker is broken Repair replace The filter is clogged The vacuum system compartment gasket is damaged Clean the dust filter by using the filter shaker or by disassembling it Repair replace 32 Service Manual SW900 Dust Control System 33 Removal and Installation Electrical filter Shaker motor amperage check Warning This procedure must be 7 For SW900 B Turn the ignition key to performed by qualified For SW900 P Turn the ignition key to I and personnel only start the petrol engine 8 Carefully activate the electrical filter shaker switch D and check that the electrical filter 1 Drive the machine on a level floor and ensure shaker motor amperage is between 3 and 4A at that it cannot move 19V 2 Turn the ignition key to 0 9
13. d 4 200268 Service Manual SW900 Dust Control System 35 Electrical Filter Shaker Motor Disassembly Assembly Disassembly 1 Drive the machine on a level floor and ensure that it cannot move 2 Turn the ignition key to 0 3 Remove the hopper by using its transport handle and wheels 4 Disengage the front fastener and open the battery engine hood 5 For SW900 B Remove the batteries and their container see the procedure in the relevant paragraph Disconnect the wet by pass hoses A from the deflector B Remove all the mounting screws C of the deflector B Move aside the conveyor B P200269 Service Manual SW900 Dust Control System 36 Electrical Filter Shaker Motor Disassembly Assembly Continues 9 10 11 12 Disconnect the filter shaker connector N For disassembling the filter shaker motor E only remove the four screws F then remove it from its housing by disengaging the inner eccentric F The eccentric F must be firmly locked on the shaft of the filter shaker motor For the complete removal of the motor E it is necessary to disconnect the semiconnector out of its wiring harness L For disassembling the motor E with the holder O remove the four screws P For disassembly of the motor E with its of the frame G electrical filter shaker remove the screws H and recover the springs I the washers J and the spa
14. if it 1s insuf ficient it activates the electromagnetic switch KO The activation of the electromagnetic switch KO is cut off when the battery charger is connected to the electrical mains On the same circuit of the electromagnetic switch K0 there is the hopper safety switch SWO which pre vents the activation of the electromagnetic switch KO if the hopper is not properly positioned or if the upper hood 1s open For the versions equipped with electrical filter shak er on the same circuit of the electromagnetic switch KO there is the filter shaker switch SW1 When pressed it turns off the electromagnetic switch KO and activates the relay K1 The electromagnetic switch KO directly drives the main motor MO and the side broom motors M2 and M3 while the relay K1 if equipped turns on the filter shaker motor M1 On the circuit of the side broom motors M2 and M3 there are microswitches SW2 and SW3 respectively which deactivate the relevant motors when the brooms are lifted from the ground by means Electrical and Control System of the manual levers on the handlebar The display on the control panel shows the battery charge status and the battery charger by means of the LED electronic board EB1 which is directly con nected to the battery charger The hour counter HM is connected in parallel to the electromagnetic switch KO and it counts the operat ing time of the main motor MO Th
15. man down industrial machine designed to clean sweep floors in civil or industrial environ ments in one pass The machine can be supplied in one of the following version with a rechargeable battery installed on the machine SW900 B with a dynamotor driven by a petrol engine both installed on the machine SW900 Petrol The machine is equipped with one main cylindrical broom and one or two side disc brooms The front hopper and a vacuum system allow for dust and dirt collection Service Manual Purpose and Field of Application The Service Manual is a technical resource intended to help service technicians when carrying out mainte nance and repairs on the SW900 to guarantee the best cleaning performance 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 SW900 B Advance 9084112010 1465374000 1465375000 SW900 B Nilfisk 9084110010 1465366000 1465367000 SW900 P Nilfisk 9084111010 1465371000 1465372000 Assembly Instructions Instruction Code Machines concerned LEFT SIDE BROOM KIT 1465407000 9084112010 9084110010 9084111010 MANUAL FILTER SHAKER KIT 1465626000 9084110010 9084111010 ELECTRICAL FILTER SHAKER KIT 1465627000 ONLY FOR N ALTO VERSIONS NOT FOR THIS VERSION These manuals are available at Local Nilfisk Advance R
16. CIRCUIT BREAKER 5 A FC BATTERY CHARGER FUSE 30 A F2 HOPPER MICROSWITCH SWO bod 12 V BATTERIES B Mo I anes MAIN MOTOR 0 MAIN MOTOR RIGHT SIDE BROOM MICROSWITCH SW2 SWITCH KO RIGHT SIDE BROOM MOTOR M2 HOUR COUNTER HM LEFT SIDE BROOM MICROSWITCH SW3 LEFT SIDE BROOM MOTOR M3 P200306 41 Service Manual SW900 Electrical and Control System 42 Wiring Diagram SW900 P LEFT SIDE BROOM CIRCUIT BREAKER 5 A FC RIGHT SIDE BROOM CIRCUIT BREAKER 5 A FB FILTER SHAKER FUSE 5A F1 CIRCUIT BREAKER 20 A FA R R FILTER SHAKER RELAY K1 Vall 3 LEFT SIDE BROOM MICROSWITCH SW3 IGNITION KEY KEY HOPPER MICROSWITCH SW0 ENGINE SPARK PLUG SPK 0 15 54 50 RIGHT SIDE BROOM DYNAMOTOR G MICROSWITCH SW2 FRAME FR M3 M2 M1 LEFT SIDE BROOM MOTOR M3 FILTER SHAKER SWITCH SW1 RIGHT SIDE BROOM MOTOR M2 FILTER SHAKER MOTOR M1 HOUR COUNTER HM P200307 Service Manual SW900 Electrical and Control System 43 Component Locations SW900 B Dashboard Hour counter HM Ignition key KEY LED electronic board EB1 Filter shaker SW1 Ignition key KEY Filter shaker SW1 LED electronic board EB1 Dashboard Hour counter HM P200308 Service Manual SW900 Electrical and Control System 44 idc dac Lo
17. Release the electrical filter shaker switch D 3 Remove the hopper by using its transport handle 10 Turn the ignition key to 0 and wheels 11 Remove the amp clamps A 4 Disengage the front fastener and open the battery engine hood 5 Apply the amp clamps A on one cable B of the filter shaker motor connection wiring harness 6 Carefully operate and keep operated the hopper position microswitch C to simulate the presence of the hopper P200267 Service Manual SW900 Dust Control System 34 Electrical filter Shaker motor amperage check Continues 12 If the amperage is higher perform the following 13 Close the battery engine compartment hood and procedures to detect and correct 1t engage the front fastener Check that the relevant fuse F1 5A is prop erly positioned 14 Reinstall the hopper Remove the electric filter shaker motor see 15 the procedure in the next paragraph and check the condition of all its components Before removing the filter shaker motor E check that the filter shaker frame F can slide on the spacer bushes of the springs G overcoming the resistance of the springs and that it is not locked Ifthe above mentioned procedures do not produce the correct readings for the electrical filter shaker motor amperage the motor must be replaced see the procedure in the relevant paragraph Turn the ignition key to 0 7 E 44 5 9 t
18. Removal Installation 5 900 65 Dynamotor Removal Installation SW900 69 Reduction Unit Removal Installation vr 00000222 eee 73 Main Broom Shaft Small Gear Removal Installation 74 Drive Shaft Big Gear 1 TT Battery Charger Removal Installation SW900 80 Hopper Position Switch Operation Check Removal Installation 82 sa m a4 hd Eos GR ee EO GE OR De wp x i 84 Petrol Engine System 85 Functional 85 Wiring Diagrami sse G a a LT 85 Component Locations 86 Maintenance and Adjustments 87 Engine RPM Check and Adjustment 87 Troubleshooting sess 89 Removal and Installation e e s e e a eaa les 90 Engine Belt Check Adjustment Replacement 90 Petrol Engine Assembly 93 Specifications 44 2 2 97 Hopper System lt 5 etos Boo Xe Gass 2 98 Functional D scrption 2 5 se ss FANE Al ske EO e GAGE bedre 98 Component Locations 99
19. SW900 P 1 Drivethe machine on a level floor and ensure Lamellar Fuse Check Replacement that it cannot move 2 5 Remove the hopper by using its transport handle 2 Turn the ignition key to 0 and wheels 6 Disengage the front fastener and open the Fuse check reset engine compartment hood 3 Check one of the following fuses for deactivation v Onthedaie dda A 5A fuse FB right side broom motor the fuses B 5A fuse FC left side broom motor 0 20A fuse F0 main 4 Reset any deactivated fuse when the component E fuse F1 electrical filter shaker that caused deactivation has fully cooled down Reassembly 8 Close the engine compartment hood and engage the front fastener 9 Install the hopper by using its transport handle and wheels P200279 Service Manual SW900 Electrical and Control System 54 Troubleshooting SW900 B Trouble Possible causes The battery connector is disconnected Connect The batteries are discharged Charge Adjust correct position Check the operation of the microswitch The main motor does not start Close it properly The Upper h ge is open Check the operation of the microswitch Press the push button on the fuse if the Teen breaker FA I DPI trouble persists remove the overload cause Use the lever up to the end of stroke The lever snot activated correctly Check th
20. Service Manual SW900 Side Broom System 128 Side Broom Microswitch Adjustment and Removal Installation Note This procedure refers to the 3 Remove the hopper by using its transport handle 2 right side reducti it th d wheel ee ight side reduction the and wheels procedure for the left side 4 Disengage the front fastener and open the battery engine compartment hood reduction unit is the same Adjustment 5 For SW900 B Disconnect the battery connector Remove the screws A and the nut B then 1 Drive th hi level fl d i Nr remove the side broom motor guard C that it cannot move 2 Turn the ignition key to 0 P200352 Service Manual SW900 Side Broom System 129 Side Broom Microswitch Adjustment and Removal Installation Continues T 8 Lift the side broom until the end of stroke by using the lever In this condition check that the side broom supporting arm D is lifted up to the end of stroke The bottom of the slot E must be flush with the sliding pin F If necessary adjust the end of stroke with the nut and locknut G of the control cable L In the condition indicated by the previous step loosen the screws with the nut H and lower the microswitch I until its terminal J on the vane L is activated the terminal J must also slightly bend the vane L downwards In this condition tighten the screws with the nut H of the microswitch Disassembly
21. main broom then move the machine and turn it off Check that the main broom print A along its length is 2 to 4 cm wide Ifthe print A is not within specifications adjust the main broom height as shown below Adjustment 2 Turn the knob B taking into account what follows see also the descriptive plate C toincrease the print width turn the knob counter clockwise to decrease the print width turn the knob clockwise 2 4cm 0 8 1 6 in Note Main Broom System 103 The adjustment of the broom print on the floor must be performed periodically also according to the consumption of the bristles 3 Perform step 1 again to check the proper adjustment of the main broom distance from the floor 4 When the broom is too worn and can longer be adjusted replace it according to the procedure shown in the relevant paragraph Caution If the main broom print is excessive larger than 4 cm the machine regular operation is affected and the moving parts or electrical components can overheat thus reducing machine life Pay careful attention when performing the main broom height check and always use the machine according to the indicated conditions P200296 Service Manual SW900 Skirt Height Check and Adjustment Preliminary Operations 1 Empty the hopper as shown in the User Manual 2 Drive the machine on a level ground that is suitable for checking the skirt height
22. of the machine functions can be operated if the machine operates also when the hopper has been removed adjust the hopper position switch as shown in the next paragraph Adjustment and Replacement 5 Disengage the front fastener and slightly lift the battery engine compartment hood A then check that on the left side there is the tab B which activates the hopper position switch if necessary replace the battery engine compartment hood 6 Check that the inner vane C which activates the hopper position switch is integral and swings freely in the direction shown by the arrow E and that the return spring D is working if necessary replace the part which is not working 7 adjust the position of the hopper position switch proceed as follows 8 Open the battery engine compartment hood A P200329 82 Service Manual SW900 Electrical and Control System 83 Hopper Position Switch Operation Check Removal Installation Continues 9 Remove the screws F and the left side panel G 10 Check that the arm H of the hopper position switch I swings freely on the pin J otherwise Remove any dirt causing malfunction Loosen the inner locknut and adjust the screw K when the adjustment is complet ed tighten the locknut L 11 If necessary loosen the screws M and adjust the position of the switch I by moving it in the direction shown by the arrow N when the adjustment is co
23. paragraph 7 Remove the screws A and the right side panel B from the machine then remove also the left side panel 8 Onthe main motor release the fastener C and remove the protection band D of the carbon brushes 9 Remove the fastening screws E of the electrical connections of the four carbon brushes F 10 Remove the four carbon brushes F from their housings by disengaging them from the retaining springs G 11 Check the two carbon brushes F 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 thrust spring is broken etc If the length of the carbon brushes is insufficient these must be replaced In this cases replace all motor carbon brushes Assembly 12 Assemble the components in the reverse order of disassembly P200316 Service Manual SW900 Electrical and Control System 64 Dynamotor Carbon Brush Replacement SW900 P Disassembly 1 Drive the machine on a level floor and ensure that it cannot move 2 Turn the ignition key to 0 3 Remove the hopper by using its transport handle and wheels 4 Disengage the front fastener and open the engine compartment hood 5 Remove the screws A and the right side panel B from the machine then remove also the left side panel 6 Onthe dynamotor release the fastener C and remove the protectio
24. side panel Right side broom motor circuit breaker Right cover Left side broom motor circuit breaker Battery charger cable housing Electronic battery charger Battery charger Main broom height Battery charger un D cable fuse adjusting knob P200253 Service Manual SW900 General Information 15 Machine Nomenclature SW900 B Continues BATTERY PLUG BATTERY PLUG Battery connection diagram Battery Battery connector fuse Filter shaker fuse Batteries Serial number technical data conformity Hopper position plate microswitch Main motor Vacuum fan Drive belt 1 29 Do nd f lt gt Main broom belt Pre filter Main broom P200254 Service Manual SW900 General Information 16 Machine Nomenclature SW900 P know your machine Hour counter Control panel Electrical filter shaker switch Ignition key with 0 and I positions P200255 Service Manual SW900 General Information 17 Handleb Right side broom oe Drive _ lifting lowering system and height ete adjusting lever Drive system control lever Hood front fastener Handlebar adjusting ALAA f lever Left side broom NN Fuel tap and engine N lifting lowering and NN choke lever compartment height adjusting lever Engine compartment hood Hopper Hopper transport handle En
25. the procedure in the relevant paragraph P200356 Service Manual SW900 Wheel System Traction 136 Drive belt check replacement Check 1 Drive the machine on a level floor and ensure that it cannot move 2 Turn the ignition key to 0 3 Remove the hopper by using its transport handle and wheels 4 Disengage the front fastener and open the battery engine compartment hood 5 Remove the screws A and the right side panel B from the machine 6 Visually inspect the entire length of the drive belt C to make sure it is intact and shows no signs of cuts tears or cracks if necessary replace it If necessary replace the belt 7 Check that the flexible tensioner D is working and that it operates correctly on the drive belt C Check that the rotation pulleys of the belt C rotate freely and are free from dirt and foreign materials ropes clothes etc accidentally rolled up on their rotation shafts Replacement 8 Move the flexible tensioner D away from the belt C then release the belt from the pulley E Remove the belt C by disengaging it from the lower pulley and from the drive wheel F by gently lifting the wheel itself 10 Install the new belt C by performing the steps 3 to 9 in the reverse order 11 Check the drive system control cable see the procedure in the relevant paragraph F P200357 Service Manual SW900 Wheel System Traction
26. the handle determines the de scent of right left side broom which is released by a metal cable connected to its support plate The broom is fastened to the reduction unit shaft with an axial threaded knob Battery Version The electromagnetic switch KO directly drives the main motor MO and the side broom motors M2 and M3 while the relay K1 turns on the filter shaker motor M1 On the circuit of the side broom motors M2 and M3 there are microswitches SW2 and SW3 respectively which deactivate the relevant motors when the brooms are lifted from the ground by means of the manual levers on the handlebar The side broom motors M2 and M3 are protected by 5A circuit breakers FB and FC respectively Side Broom System Petrol Version The dynamotor G provides the current necessary for the activation of the side broom motors M2 and M3 When the engine is turned on the current generat ed by the dynamotor G directly activates the side broom motors M2 and M3 On the circuit of the side broom motors M2 and M3 there are microswitches SW2 and SW3 respectively which deactivate the relevant motors when the brooms are lifted from the ground by means of the manual levers on the handlebar The side broom motors M2 and M3 are protected by 5A circuit breakers FB and FC respectively when the left broom is equipped 118 Service Manual SW900 Side Broom System 119 Wirin
27. 9 If necessary disconnect the electrical connections K remove the screws with the nut H and then remove the microswitch 1 Assembly 10 Install the microswitch I and connect the electrical connections K then loosely install the screws with the nut H 11 Adjust the microswitch I as shown in the previous steps 7 and 8 12 Perform steps 3 to 6 in the reverse order P200353 Service Manual SW900 Specifications Side Broom System 130 Model Advance Nilfisk Nilfisk SW900 B SW900 P Cleaning width with one side broom 32 5 in 825 mm with two side brooms 41 3 in 1 050 mm Side broom diameter 12 4 in 315 mm Theoretical working capacity with one side broom 35 520 ft h 3 300 m h with two side brooms 45 208 ft h 4 200 m h Side broom motor power 0 05 hp 40 W speed 100 rpm Nilfisk Advance Service Manual SW900 Wheel System Traction 131 Wheel System Traction Functional Description At machine startup the drive system is not engaged The rear wheels are equipped with a particular sys The drive belt is not and tensioned between the two tem which allows for the rotation only in one direc pulleys tion There is therefore a right wheel marked with a The lever on the center part of the handle activates colored sticker and a left wheel an idler pulley which tightens the belt which trans The wheel
28. 900 P L saa ssa raven ra nrk nrk kran 39 Electrical 39 Witing Diagrami a ens a Gate der ea 9 kome ket heri bone Lord set he sla 40 BUSES conos xo d oh Ew ee ow BE EG Roy 8 40 Relays Electromagnetic Switches Diodes 40 Wiring Diagram SW900 41 Wiring Diagram 5 900 42 Component Locations 5 900 43 Component Locations 5 900 46 Maintenance and Adjustments 49 Charging the batteries SW900 B 49 Service Manual SW900 Contents iii Fuse Check Replacement Reset SW900 51 Fuse Check Replacement Reset SW900 53 Troubleshooting 5 900 54 Removal and Installation 55 Battery Installation and Battery Type Setting WET or GEL SW900 55 Machine Check Setting 57 Main motor amperage check 5 900 59 Dynamotor Voltage Check SW900 61 Main motor carbon brush replacement SW900 63 Dynamotor Carbon Brush Replacement SW900 64 Main Motor or Fan
29. Control System chapter VERSION WITH MANUAL FILTER SHAKER By operating on the lever on the right side of the ma chine a rake acts mechanically on the filter fins al lowing dirt trapped in the folds of the same to fall by gravity into the hopper filtershaker pe IGNITION KEY KEY MAIN MOTOR CIRCUIT BREAKER 70 A FA FILTER SHAKER FILTER SHAKER FUSE 5 A F1 SWITCH SW1 HOPPER MICROSWITCH 5 0 FILTER SHAKER RELAY K1 MAIN MOTOR ELECTROMAGNETIC SWITCH KO HOUR COUNTER HM P200261 Service Manual SW900 Dust Control System 28 Wiring Diagram SW900 B with manual filtershaker 41 4 pm NI 3 or IGNITION KEY KEY MAIN MOTOR CIRCUIT BREAKER 70 A FA MAIN MOTOR ELECTROMAGNETIC SWITCH K0 HOPPER MICROSWITCH 5 0 BATTERY CHARGER CH BATTERY CHARGER FUSE 30 A F2 12 V BATTERIES BAT le MOTOFMAIN MOTOR M0 MAIN MOTOR ELECTROMAGNETIC HOUR COUNTER HM 200261 Wiring Diagram SW900 DYNAMOTOR CIRCUIT FILTER SHAKER BREAKER 20 A FA FUSE 5 A F1 FILTER SHAKER RELAY K1 FILTER SHAKER SWITCH SW1 30 DYNAMOTOR G FILTER SHAKER MOTOR M1 P200262 Service Manual SW900 Dust Control System 29 Component Locations Main motor SW900 B Filter shaker M1 Dynamotor SW900 P Fuse F1 Filter and pre filter panel Relay K1 Gaske
30. Engine RPM Check and Adjustment Continues 9 Carefully operate and keep operated the Reassembly hopper position microswitch E to simulate the presence of the hopper 13 Turn off the petrol engine as shown in the User Manual 10 Turn the ignition key to 7 and start the petrol engine as shown in the User Manual wait that 14 Turn the ignition key to 0 no uS warms up and reaches the target 15 Close the engine compartment hood and engage ER the front fastener Warning Perform the following 16 Release the hopper position microswitch E procedures with extreme care from the forced operation and check that the and remind that the petrol microswitch operates properly engine is running 2 9 17 Install the hopper by using its transport handle and wheels 11 Carefully disengage the front fastener and open the engine compartment hood 18 Install the rear grid A by engaging the fasteners and then tighten the upper mounting 12 Carefully loosen the nut F and move the lever screw B G as necessary to adjust engine rpm and refer to the plate H for the direction of movement After adjusting tighten the nut F P200285 Service Manual SW900 Troubleshooting Trouble The engine does not start when pulling the handle Possible causes The ignition key is not turned to I Petrol Engine System Remedy Turn the ignition key to I The fuel valve is closed Open the fuel va
31. Make sure that the machine cannot move independently 3 Turn the ignition key to 0 4 Remove the hopper by using its transport handle and wheels Right Side Skirt and Right Side Recovery Skirt Check 5 Unscrew the nuts A and remove the rear side cover B gt 10mm Main Broom System 104 Check the side skirt C and the recovery skirt D for integrity Replace the skirts when they have cuts E larger than 20 mm or cracks tears F larger than 10 mm see the procedure in the relevant paragraph Check that the height G of the side skirt C and recovery skirt D is 0 3 mm If necessary forthe side skirt C loosen the nuts H and the inner screw I then adjust the position of side skirt C Then tighten the nuts H and the screw I for the recovery skirt D loosen the screws J then adjust the position of the recovery skirt D Then tighten the screws J 0 C D 0 1 mm 040 04 in gt 0 4 in gt 0 8 in N G P200338 Service Manual SW900 Main Broom System 105 Skirt Height Check and Adjustment Continues Left Side Skirt and Left Side Recovery Skirt Check 10 Check that the height H of the side skirt D ane recovery skirt E is 0 3 mm If necessary For the side skirt D loosen the nuts I and the screws J then adjust the position of side skirt D Then tighten the nuts I and the screws J e d
32. NE Serial NUMber 6 Service Manual SW900 General Information Safety The following symbols indicate potentially dangerous situations Always read this information carefully and take all necessary precautions to safeguard people and property Visible Symbols on the Machine WARNING WARNING Carefully read all the instructions before Hot parts danger of burns performing any operation on the machine DANGER WARNING Internal combustion engine Moving parts Do not inhale exhaust gas fumes Aa Carbon monoxide CO can cause brain damage or death WARNING WARNING Do not wash the machine with direct or Moving parts Danger of crushing pressurized water jets WARNING WARNING lt X Do not use the machine on slopes with a Parts under voltage Presence of corrosive gradient exceeding the specifications AN fluids Symbols Danger _ It indicates a dangerous situation with risk of death for the operator Warning It indicates a potential risk of injury for people or damage to objects Caution It indicates a caution related to important or useful functions PP Note It indicates a remark related to important or useful functions 22 General Instructions Specific warnings and cautions to inform about potential damages to people and machine are shown below Warning Make sure to follow the safety precautions to avoid situations that may lead to
33. SW900 p ONilfisk Service Manual Advance SW900 Battery 9084112010 Nilfisk SW900 Battery 9084110010 Nilfisk SW900 Petrol 9084111010 QNIlfisk Q Advance trusted since 1906 English 2013 11 Form No 1465376000 Service Manual SW900 Contents ii Contents General 5 Machine General 5 Service Manual Purpose and Field of Application 5 Other Reference 8 5 Convent Ons i 4 4 444 de EES H R EER SEG 6 Service and Spare 4 4 4 6 Serial Number 1 6 Se NT ST EN SE 7 Visible Symbols on the T PD 7 General Instructions s s e seria 04 KY end o3 43 3 Y POR REE REE wx Machine hitting s sova s G re deep oe ST GATE ERO S mede deu FG 11 Machine 11 Machine Nomenclature SW900 B know your machine 12 Machine Nomenclature SW900 P know your machine 16 Service and Diagnostic Equipment 20 Technical Data gt oO y E E ee 21 Machine Material Composition and Recyclabil
34. ables A and B as shown in the figure Check the engine oil level as shown in the User Manual Check the engine rpm see the procedure in the relevant paragraph P200335 Service Manual SW900 Petrol Engine System Specifications Nilfisk Model SW900 P Power 2 1 kW 3 600 rpm Engine model Honda GX 100 Number of cylinders 1 Displacement 98 Bore x stroke 40 x 56 Compression ratio 8 511 Cooling Air Fuel Gasoline Cycle Cycle 8 Maximum engine speed max power 3 600 rpm 2 1 kW Minimum engine speed min power Fuel consumption at 2 500 rpm 2 000 rpm 1 CV 390 g hour Fuel consumption at 3 600 rpm Oil pan capacity Fuel consumption at 3 600 rpm 1 514 gal 0 4 L Engine oil type Emission certifications SAE 10W30 VCA Cert No 11 97 685 2002 88 0305 01 Fuel tank capacity 0 77 liters Engine oil type SAE 10W30 Nilfisk Advance Service Manual SW900 Hopper System 98 Hopper System Functional Description The hopper normally resides in its seat in the frame The hopper is provided with two skirts a front skirt It can be removed from its seat by using its lifting and for debris collection and an intermediate one to pro transport handle tect the filter from the material launched from the The hopper can be dragged on the wheels provided for main broom and to help the filter powders to fall into th
35. all Gear Removal Installation Continues 9 Operating in the back side of the reduction unit cut the clamp K fastening the wiring harness L 10 Remove the two screws M and remove the gear case N 11 Remove the four screws with nut O and the pulley assembly with gear P 12 At the workbench remove the screw Q and the dowel then remove the pulley 5 P200323 75 Service Manual SW900 Electrical and Control System 76 Main Broom Shaft Small Gear Removal Installation Continues 13 14 15 16 Unscrew the two dowels T of the bearing Assembly Remove the assembly U from the shaft X 17 Assemble the gear in the reverse order of disassembly Remove the spacer V Remove the gear W from the shaft with key Q9 P200324 Service Manual SW900 Drive Shaft Big Gear Removal Installation Disassembly 1 Drive the machine on a level floor and ensure that it cannot move 2 Turn the ignition key to 0 3 Remove the hopper by using its transport handle and wheels 4 Disengage the front fastener and open the battery engine compartment hood 5 Remove the screws A and the right side panel B from the machine 6 Remove the rear grid C after removing the upper mounting screw D and disengaging the fasteners 7 Turn the tensioner E in the direction shown by the arrow and disengage the belt F from the pulley G 8 Turn the tensioner H
36. and locknut C and adjust the drive system control cable D until the required conditions described at points 2 3 4 are reached After adjusting tighten the nut and locknut C Reassembly 7 Turn the ignition key to 0 P200355 Service Manual SW900 Troubleshooting Trouble Wheel System Traction When pulling the drive control lever the machine does not move or it moves slowly Possible causes The drive control cable is misadjusted or broken Adjust or replace the drive control cable The drive belt is misadjusted or worn Adjust or replace the drive belt 134 Service Manual SW900 Wheel System Traction 135 Removal and Installation Drive system control cable disassembly assembly Disassembly 1 Remove the drive belt see the procedure in the relevant paragraph 2 Unscrew the nut B on the front end of the drive system control cable A 3 Disconnect the cable A from the slot C on the holder 4 Disengage the spring terminal D from the tensioner E 5 Loosen the nut F on the handlebar 6 Disconnect the cable G from the slot H on the holder 7 Remove the terminal of the cable from the housing of the drive control lever J 8 Retrieve the drive system control cable G Assembly 9 Assemble the drive system control cable in the reverse order of disassembly 10 Adjust the drive system control cable see
37. anual SW900 Electrical and Control System Wiring Diagram SW900 B with electric filtershaker e s MAIN MOTOR ELECTROMAGNETIC SWITCH K0 D 12 V BATTERIES BAT T LED ELECTRONIC BOARD EB1 T B p A IGNITION KEY KEY MAIN MOTOR CIRCUIT BREAKER 70 A FA RIGHT SIDE BROOM CIRCUIT BREAKER 5 A FB LEFT SIDE BROOM CIRCUIT BREAKER 5 A FC BATTERY CHARGER CH FILTER SHAKER FUSE 5 A F1 SWITCH GWI SYSTEM FUSE 125 A F0 BATTERY CHARGER FUSE 30 A F2 HOPPER MICROSWITCH SW0 Ma cea 2 MAIN MOTOR 0 RIGHT SIDE BROOM MICROSWITCH SW2 RIGHT SIDE BROOM MOTOR M2 LEFT SIDE BROOM MOTOR M3 FILTER SHAKER MOTOR M1 Wiring Diagram SW900 B with manual LEFT SIDE BROOM MICROSWITCH SW3 vi Va FILTER SHAKER RELAY K1 FILTER SHAKER RELAY K1 MAIN MOTOR ELECTROMAGNETIC SWITCH K0 HOUR COUNTER HM P200306 filtershaker LED ELECTRONIC BOARD EB1 2 l Hp 1 8 Go 1 4 LDG av 4 7 hmm 1 3 LDY H2 J1 6 1 2 LDR OG Ht J1 5mmm mm COM A RD Y fr Gems MAIN MOTOR ELECTROMAGNETIC SWITCH K0 BATTERY CHARGER CH P as a R pg IGNITION KEY KEY MAIN MOTOR CIRCUIT BREAKER 70 A FA RIGHT SIDE BROOM CIRCUIT BREAKER 5 A FB LEFT SIDE BROOM
38. arrow and disengage the belt F from the pulley G 9 Turn the tensioner H in the direction shown by the arrow and disengage the belt I from the pulley J P200317 Service Manual SW900 Electrical and Control System Main Motor or Fan Removal Installation SW900 B Continues 10 On the rear side of the machine cut the clamps K fastening the wiring harness L cut also the inner clamp M 11 Disengage the protection caps N and disconnect the electrical connections O of the main motor 12 Loosen the clamp P and disconnect the wet by pass hose Q 13 Remove the screws R with nut 5 14 On the inner side of the main motor T remove the screws U 15 Carefully remove the main motor assembly with the reduction unit V P200318 66 Service Manual SW900 Electrical and Control System 67 Main Motor or Fan Removal Installation SW900 B Continues 16 At the workbench remove the screws with the 18 If necessary remove the fan AA as shown nut W below 17 Remove the four screws X and disconnect 19 Remove the screw AB and the dowel AC the motor Y from the reduction unit Z by disengaging the shaft with key AH if necessary use a plastic mallet P200319 Service Manual SW900 Electrical and Control System 68 Main Motor or Fan Removal Installation SW900 B Continues 20 With a puller applied to the head AD of the Assembly shaft and o
39. b E P200349 Service Manual SW900 Side Broom System 126 Right Side Broom Control Cable Removal Installation Note This procedure refers to the right side reduction unit the procedure for the left side reduction unit is the same Disassembly 1 Drive the machine on a level floor and ensure that it cannot move 2 Turn the ignition key to 0 3 Remove the hopper by using its transport handle and wheels 4 Disengage the front fastener and open the battery engine compartment hood 5 Remove the screws A and the side panel B 6 Right side Remove the nuts C and the right cover D Left side Lift the tab E and turn the knob F counter clockwise until it is disengaged then open the left door G 7 Remove the screws and the nut 1 then remove the side broom reduction unit guard J P200350 Service Manual SW900 Side Broom System 127 Right Side Broom Control Cable Removal Installation Continues 8 Remove the screw K of the cable front terminal 9 Loosen the nut L 10 Disengage the cable M from the slot N 11 Cut the clamps P retaining the cable O 12 Unscrew the nut Q and remove the lever R with the cable Assembly 13 Assemble the cable in the reverse order of disassembly and note the following After installation perform the adjustment of the cable M see the procedure for adjusting the side broom microswitch P200351
40. cal service procedures on the engine must be performed by an authorised Dealer Only use original spare parts or parts of matching quality for the engine Using spare parts of lower quality can seriously damage the engine See also the SAFETY RULES in the Engine Manual which is to be considered an integral part of this Manual Pay attention to hot parts when working near the engine and the muffler For SW900 B Before using the battery charger ensure that frequency and voltage values indicated on the machine serial number plate match the electrical mains voltage Do not pull or carry the machine by the battery charger cable and never use the battery charger cable as a handle Do not close a door on the battery charger cable or pull the battery charger cable around sharp edges or corners Do not run 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 has been damaged left outdoors or dropped into water return it to the Service Center Before performing any maintenance procedure disconnect the battery charger cable from the electrical mains to avoid any risk of fire electric shock or injuries Do not smoke while charging the batteries Service Manual SW900 General Information Machine Lifting Machine Transportation Warning Do not work under the lifted machi
41. cations SW900 B Gaile Wiring harnesses 5A fuse electrical filter shaker F1 Main motor MO 125A fuse battery FO Batteries BAT Reduction unit Battery connector Filter shaker relay K1 Main motor relay KO 125 A fuse Wiring battery F0 harnesses Batteries BAT Filter shaker relay K1 Battery connector Main Reduction motor relay K0 5 A fuse Main motor 0 electrical filter shaker F1 P200273 Service Manual SW900 Electrical and Control System 45 Component Locations SW900 B Continues Battery charger CH Hopper position microswitch SWO 30A fuse battery charge F2 70A circuit breaker main motor FA 5A circuit breaker right side broom motor FB 5A circuit breaker left side broom motor FC 5 A circuit breaker 30 A fuse right side broom 70 A circuit breaker Battery charger CH battery charge F2 motor FB main motor FA L 5 A circuit breaker left side broom motor FC Hopper position microswitch 5 0 P200309 Service Manual SW900 Component Locations SW900 P Dashboard Ignition key KEY Dashboard Ignition key KEY Electrical and Control System 46 Filter shaker SW1 Hour counter HM Filter Hour shaker SW1 counter HM P200310 Service Manual SW900 Electrical and Control System 47 Component Locations SW900 P Continues Wiring harnesses Electrical filter shaker F1 fuse 5A Dynam
42. cer bushes K Check the integrity of the disassembled parts Assembly 13 Assemble the components in the reverse order of disassembly and note the following When reinstalling of the spacer bushes K make sure that the same should are flushed with the machine frame and that the slots M of the frame G slide on spacers K After assembling of the frame G check that the frame can slide on the spacer bushes K of the springs I overcoming the resistance of the springs P200270 Service Manual SW900 Dust Control System 37 Specifications Model Advance Nilfisk Nilfisk SW900 B SW900 P cleaning system Electrical filter shaker manual on Advance version 20 5 ft 1 9 m filtering capacity 5 10 um Filter shaker motor 12W Paper filter filtering capacity 99 Q 0 8 um Air flow 11301 ft h 320 m h Broom compartment vacuum new filter 0 13 inH O 3 6 mmH O Nilfisk Advance Service Manual SW900 Electrical and Control System Functional Description SW900 B The machine functionality check is mainly performed by the battery charger CH that monitors the battery voltage BAT also during machine operation not only during recharging The ignition key KEY provides to the battery char ger information about the machine on and off condi tion When the ignition switch KEY is closed the battery charger checks the battery voltage and
43. d and then check that the motor amperage is between 1 and 3A at 24V 7 Lift the side broom and stop its rotation 8 Turn the ignition key to 0 9 Remove the amp clamp 10 If the amperage is higher perform the following procedures to detect and correct it Check if there is dust or dirt cords cables etc on the side broom hub Disassemble the motor see the procedure in the relevant paragraph and check the condi tion of all its components If the above mentioned procedures do not lead to a correct amperage the motor must be replaced see the procedure in the relevant paragraph Reassembly 11 Perform steps 1 to 3 in the reverse order P200348 Service Manual SW900 Side Broom System 125 Side Broom Reduction Unit Removal Installation Note This procedure refers to the 4 Remove the mounting screws F of the side 2 right side reducti it th b ducti j re ight side reduction unit the room reduction unit G procedure for the left side reduction unit is the same 5 Cut the clamp H 6 Disconnect the electrical connector I and Disassembly remove the reduction unit J of the side broom 1 Remove the side broom see the procedure in the Assembly relevant paragraph 7 Assemble the reduction unit in the reverse order 2 Remove the screws A and the nut B then of disassembly remove the side broom reduction unit guard C 3 Unscrew the dowel D and remove the broom hu
44. drive main broom vacuum 0 26 hp 198 W System Main broom speed 420 rpm motor power 0 05 hp 40 W Side broom speed 100 rpm Drive forward speed 2 8 mi h 4 5 km h Maximum gradient when working 2 96 Filter shaker motor 12W Total absorbed power 67A 0 8 kW Working autonomy 3h 1 5h Dimensions length x width x height machine running 54 7 x 34 2 x 43 3 in 1 390 x 870 x 1 100 mm machine with folded handlebar 41 3 x 34 2 x 33 in 1 050 x 870 x 840 mm machine with two side brooms 54 7 x 37 4 x 43 3 in 1 390 x 950 x 1 100 mm battery compartment 12 9 x 9 x 15 in 327 x 230 x 380 mm Service Manual SW900 General Information 22 Technical Data Continues Model Advance Nilfisk Nilfisk SW900 B SW900 kerb weight without batteries 181 Ib 82 Kg 194 Ib 88 Kg Weight total kerb weight 315 Ib 143 Kg 195 Ib 88 5 Kg gross vehicle weight GVW 388 Ib 176 Kg 269 Ib 122 Kg Wheel specific pressure on the floor front rear wheels in running 2 2 conditions 301 72 psi 2 1 0 5 N mm Sound pressure level at workstation ISO 11201 ISO 4871 EN 60335 2 72 LpA OB 78 SBN Machine sound pressure level ISO 3744 ISO 4871 EN 60335 2 72 LwA 54 dBA 9 IP protection class X3 U turn space 61 in 1 550 mm Vibration level at the operator s arms ISO 5349 1 lt 98 in s lt 2 5 m s 157 i
45. e User Manual Using other brooms could reduce safety Before using the machine close all doors and or covers as shown in the User Manual Do not wash the machine with direct or pressurised water jets or with corrosive substances Usethe machine only where a proper lighting is provided While using this machine take care not to cause damage to people or objects Do not bump into shelves or scaffoldings especially where there is a risk of falling objects Do not lean liquid containers on the machine use the relevant can holder The storage temperature must be between 0 C and 40 C The machine working temperature must be between 0 C and 40 C The humidity must be between 30 and 95 Always protect the machine against the rain and bad weather both under operation and inactiv ity condition Store the machine indoors in a dry place This machine must be used in dry condi tions it must not be used or kept outdoors in wet conditions Do not use the machine as a means of transport or for pushing towing Do not allow the brooms to operate while the machine is stationary to avoid damaging the floor The machine maximum capacity is 30 kg the maximum weight of waste In case of fire use a powder fire extinguisher not a water one This machine cannot be used on roads or public streets Do not tamper with the machine safety guards Follow the routine maintenance pr
46. e machine system is connected to the battery with the connector C1 The battery charger is always con nected to the batteries when the left broom is equipped Electrical Protections The main motor MO is protected by the 70A circuit breaker FA The side broom motors M2 and M3 are protected by 5A circuit breakers FB and FC respectively The filter shaker motor circuit M1 is protected by the 5A fuse F1 The battery charger CH is protected by the 30A fuse F2 The main battery wiring harness is protected by a 125A safety fuse FO on the supported versions Service Manual SW900 Functional Description SW900 P The dynamotor G provides the current necessary for the activation of the side broom motors M2 and M3 filter shaker circuit M1 and hour counter HM The ignition key KEY turned to 0 inhibits the ac tivation of the engine when turned to 1 it allows for startup and operation When the engine is turned on the current generat ed by the dynamotor G directly activates the side broom motors M2 and M3 On the same circuit of the ignition switch KEY there is the hopper safety switch SWO which prevents the activation of the engine if the hopper is not properly positioned or if the upper hood is open On the versions equipped with electrical filter shaker the dynamotor G powers also the filter shaker switch SW1 which when pressed activates the relay K1 The r
47. e may be battery fluid leakages The battery fluid is corrosive If it comes in contact with skin or eyes rinse thoroughly with water and consult a physician Drive the machine on a level floor and ensure that it cannot move Turn the ignition key to 0 P200275 Service Manual SW900 Electrical and Control System 50 Charging the batteries SW900 B Continues 3 Remove from the housing C the electrical 4 When the green LED E turns on the batteries cable D of the electronic battery charger then are charged connect it to the electrical mains For further information about the battery charger operation see the Battery Charger AN Warning The mains voltage and Manual equency must matel the 5 Disconnect the electronic battery charger electronic battery charger values Shown on the machine electrical cable D from the electrical mains then place it in the housing C serial number plate 6 Now the machine is ready to be used Jd Note When the electronic battery Us charger is connected to the electrical mains all machine functions are automatically disabled P200276 Service Manual SW900 Fuse Check Replacement Reset SW900 B 1 Drive the machine on a level floor and ensure that it cannot move 2 Turn the ignition key to 0 Fuse Check Reset 3 Check one of the following fuses for deactivation A 70A fuse FA main motor B 5A fuse FB right side broom motor C
48. e off Turn off the engine and let it cool down for a few minutes then remove the fuel tank plug To allow the fuel to expand do not fill the fuel tank beyond the upper limit mark A shown in the figure P200250 After refuelling check that the fuel tank cap is firmly closed If any fuel is spilled while refuelling clean the tank area and allow the vapors to evaporate be fore starting the engine Do not let fuel come into contact with the skin do not breathe fuel vapors Keep out of reach of children Do not tilt the engine or the machine too much to avoid fuel spillage Do not lay any object on the engine Stop the engine before performing any procedure on it To avoid any accidental start disconnect the spark plug cap See also the SAFETY RULES in the Engine Manual which is to be considered an integral part of this Manual For SW900 B Ifthe machine is equipped with lead WET batteries battery charging produces highly explosive hydrogen gas Charge the batteries in well ventilated areas and away from naked flames When lead batteries WET are installed do not tilt the machine for more than 30 from the horizontal plane to prevent the highly corrosive acid from leaking out of the batteries When the machine is to be tilted to perform maintenance procedures remove the batteries Warning Make sure to follow the safety precautions to avoid situations that may lead to seri
49. e operation of the microswitch The right left broom motor does not run Press the push button on the fuse if the trouble persists remove the overload cause Service Manual SW900 Removal and Installation Electrical and Control System 55 Battery Installation and Battery Type Setting WET or GEL SW900 B 1 Warning The electric components of the machine can be seriously damaged if the batteries are either improperly installed or connected The batteries must be installed by qualified personnel only According to the type of batteries WET or GEL AGM set the machine battery charger Check the batteries for damage before installation Disconnect the battery connector and the battery charger plug Handle the batteries with great care Install the battery terminal protection caps supplied with the machine BATTERY PLUG Warning Do not tilt the lead batteries A WET to prevent the highly corrosive acid from leaking out of the batteries Do not connect not even accidentally the battery positive and negative terminals by using tools keys etc This could cause dangerous short circuits The machine requires one 12V battery or two 6V bat teries connected according to the diagram below The machine can be supplied in one of the following configurations WET or GEL batteries already installed on the machine Without batteries Note The machine is supplied
50. e the belt G from the pulley H Apply amp clamps on a cable I of the main motor J Carefully operate and keep operated the hopper position microswitch K to simulate the presence of the hopper Turn the ignition key to T thus turning on the main motor check that the amperage of the motor J is between 30 and 35A at 24V Turn the ignition key to 0 Remove the amp clamp P200280 Service Manual SW900 Electrical and Control System 60 Main motor amperage check SW900 B Continues 14 If the amperage is higher perform the following procedures to detect and correct it Check that there are no obstacles to the rotation of the pulleys E and H and the reduction unit L Check the main motor carbon brushes see the procedure in the relevant paragraph f necessary disassemble the main motor see the procedure in the relevant para graph and check the condition of all its components If the above mentioned procedures do not lead to a correct amperage the main motor must be replaced see the procedure in the relevant paragraph 15 17 18 Reassembly Release the hopper position microswitch K from the forced operation and check that the microswitch operates properly Turn the tensioner F in the direction shown by the arrow and engage the belt G to the pulley H and to the tensioner F check the proper operation of the tensioner F Turn the
51. e transport to reach the discharge area the hopper itself To lift the hopper in addition to the transport handle there is a handle x x x x x to grab it properly Service Manual SW900 Hopper System 99 Component Locations Hopper s Dust filter protection skirt Front skirt Hopper Hopper Dust filter Front skirt protection skirt P200336 Service Manual SW900 Hopper System 100 Specifications Model Advance Nilfisk Nilfisk SW900 B SW900 P Real capacity 0 88 ft 25 Liters Hopper Theoretic capacity 2 8 ft 79 Liters Maximum transportable weight 66 Ib 30 kg Nilfisk Advance Service Manual SW900 Main Broom System Functional Description The machine start up determines the operation of the main broom which is held in a pivoting support fastened on the frame The broom is made to rotate by the reduction unit to which is connected a pulley with an hexagonal drive hub On the opposite side the broom is supported by a idle hub fixed to a plate stuck to the broom holder The knob in the rear side of the machine determines the broom lowering lifting and therefore the relevant pressure on the floor Wiring Diagram BATTERY CHARGER CH MAIN MOTOR ELECTROMAGNETIC SWITCH KO SYSTEM FUSE 125 A FO 12 V BATTERIES BAT L MAIN MOTOR 0 Main Broom System The door on the left side of the machine can be opened with the foldab
52. elay K1 turns on the filter shaker motor M1 On the circuit of the side broom motors M2 and M3 there are microswitches SW2 and SW3 respectively which deactivate the relevant motors when the brooms are lifted from the ground by means of the manual levers on the handlebar Electrical and Control System The optional hour counter HM is connected to the key circuit KEY and is powered by the dynamotor G when the engine is running Electrical Protections The dynamotor G is protected by the 20A fuse FA The side broom motors M2 and M3 are protected by 5A circuit breakers FB and FC respectively The filter shaker motor circuit M1 is protected by the 5A fuse F1 when the left broom is equipped 39 Service Manual SW900 Electrical and Control System 40 Wiring Diagram Fuses SW900 B SW900 P Acronym Eod Protected Function Nominal Size Protected Function FO 125A BATTERY BATT F1 5A FILTER SHAKER MOTOR M1 5A FILTER SHAKER MOTOR M1 F2 30A BATTERY CHARGER CH FA 70A MAIN MOTOR MO 20A DYNAMOTOR 0 FB 5A RIGHT SIDE BROOM MOTOR M2 5A RIGHT SIDE BROOM MOTOR M2 FC 5A LEFT SIDE BROOM MOTOR M3 5A LEFT SIDE BROOM MOTOR M3 Relays Electromagnetic Switches Diodes SW900 B SW900 P Acronym Activated function Activated function KO MAIN MOTOR MO K1 FILTER SHAKER M1 FILTER SHAKER M1 Service M
53. els Disengage the front fastener and open the battery compartment hood Disconnect the battery connector Check the battery cables for insulation Remove the battery charger cable A from the housing connect it temporarily to the electrical mains and during the connection check the number and color of the LED flashings B then compare them with the indications in the following table to determine the battery setting of the machine Electrical and Control System Type of battery set on Flashes the machine EXIDE Two flashes of the yellow LED Two flashes of the green and yellow TM Gr LEDs together DISCOVER Two flashes of the red and green LEDs together GEL AGM generic Two flashes of the green LED WET all makes Two flashes of the red LED 8 Ifitis necessary to install batteries which are different from the machine setting it is possible to change the machine settings according to the following procedure 9 If equipped remove the batteries from the machine and also remove the battery case P200314 57 Service Manual SW900 Electrical and Control System Machine Check Setting Continues 10 In the battery compartment lift the rubber mat C 11 Lift the battery charger plate D 12 Carefully set the switches E F G as shown in the following table to set machine according to the type of batteries to be installed
54. em 108 Turn the ignition key to 0 Remove the hopper by using its transport handle and wheels Fully turn the main broom height adjusting knob A clockwise by lifting it Lift the tab B and turn the knob C counter clockwise until it is disengaged then open the left door D P200300 Service Manual SW900 Main Broom System 109 Main Broom Removal Installation Continues 6 Loosen the handwheels E grasp the handle K 9 Install the main broom G The bristles T must and remove the main broom cover F by turning be bent in the direction shown in the figure it slightly counter clockwise to disengage it 221 10 Install the main broom by inserting it in the 7 Remove the main broom G by pulling it out front side of the machine by engaging its mesh from the front side of the machine slightly lift J on hexagonal drive hub H the front side of the machine to remove the main broom easily 11 Install the main broom cover F then tighten the handwheels E Assembly 8 Check that the main broom hexagonal drive hub H is free from dirt or foreign materials ropes rags etc accidentally rolled up P200301 Service Manual SW900 Main Broom System 110 Main Broom Removal Installation Continues 12 Lift and close the left door D and fasten it with 14 Adjust the main broom height see the procedure the knob C lower the tab B in its housing in the relevant para
55. er than the specified value Reassembly perform the following procedures to detect the causeand correct tt 10 Close the engine compartment hood and engage Check that the drive belt between the the front fastener engine and reduction unit 1s properly ten 11 sioned see the procedure in the relevant paragraph and that the pulleys are efficient and not loose Check that the reduction unit is correctly 12 Install the hopper by using its transport handle closed and wheels Check the dynamotor carbon brushes see the procedure in the relevant paragraph f necessary disassemble the dynamotor see the procedure in the relevant para graph and check the condition of all its components Release the hopper position microswitch from the forced operation and check that the microswitch operates properly If the above mentioned procedures do not lead to a correct voltage the dynamotor must be replaced see the procedure in the relevant paragraph Service Manual SW900 Electrical and Control System 63 Main motor carbon brush replacement SW900 B Disassembly 1 Drive the machine on a level floor and ensure that it cannot move 2 Turn the ignition key to 0 3 Remove the hopper by using its transport handle and wheels 4 Disengage the front fastener and open the battery compartment hood 5 Disconnect the battery connector 6 Remove the batteries and their container see the procedure in the relevant
56. es the scheduled maintenance The intervals shown may vary according to particu lar working conditions which are to be defined by the person in charge of the maintenance For instructions on maintenance procedures see the following paragraphs Scheduled Maintenance Table SW900 B Procedure hoe eur hows heus Battery charging 1 Battery WET fluid level check Battery charger cable check Dust filter cleaning and integrity check 2 Side and main broom height check and adjustment Skirt height and operation check Dust filter holder gasket check Electrical filter shaker operation check Drive belt check adjustment drive system main broom Hopper position microswitch operation check Drive belt replacement drive system main broom Main motor carbon brush check and replacement 1 Daily or after using the machine 2 Or before use Service Manual SW900 Scheduled Maintenance Table SW900 P General Information Procedure Upon delivery Every 10 hours Every 50 hours Every 100 hours Every 200 hours Every 300 hours Engine oil level check 1 5 Engine air filter check 1 5 Dust filter cleaning and integrity check 1 Side and main broom height check and adjustment Skirt height and operation check Electrical filter shaker operation check Engine air filter cleaning
57. etailer Nilfisk Advance website www Nilfisk Advance com Service Manual SW900 General Information Conventions Forward backward front rear left or right are intended with reference to the operator s position when driv ing Service and Spare Parts Service and repairs must be performed only by authorised personnel or Nilfisk Service Centers The authorised personnel is trained directly at the manufacturer s premises and has original spare parts and accessories Contact Nilfisk Retailer indicated below for service or to order spare parts and accessories specifying the ma chine model and serial number Apply Retailer label here Serial Number Label The machine serial number and model name are marked on the plate see the example to the side E dus Ep GVW 176 kg 392 Ib IPX3 LpA 70 dB A Product number and year of production are marked 0 8 kW 67A 100 240Vac 50 60Hz Battery 12 Vdc on the same plate Type E Floor cleaning machine Conform to This information is useful when requiring machine ULSTD 583 Certified to Intertek ul spare parts CSA STD C22 2 68 92 3034046 Made in Italy Nilfisk Advance Inc Plymouth MN USA www advance us com Use the following table to write down the machine identification data Advance A Nilfisk Advance Brand P200249 MACHINE model PRODUCT code MACHINE serial number ENGINE model ENGI
58. g Diagram SW900 B BATTERY CHARGER CH MAIN MOTOR RIGHT SIDE BROOM ELECTROMAGNETIC SWITCH KO CIRCUIT BREAKER 5 A FB LEFT SIDE BROOM CIRCUIT BREAKER SYSTEM FUSE 5 A FC 125 A FO NJ R 8 FILTER SHAKER SWITCH SW1 12VBATTERIES 7 M2 M3 Al HOPPER D MICROSWITCH SWO RIGHT SIDE BROOM MICROSWITCH SW2 MAIN MOTOR RIGHT SIDE BROOM MOTOR M2 ELECTROMAGNETIC SWITCH LEFT SIDE BROOM MICROSWITCH SW3 LEFT SIDE BROOM MOTOR M3 P200343 Wiring Diagram SW900 P LEFT SIDE BROOM CIRCUIT BREAKER 5 A FC RIGHT SIDE BROOM CIRCUIT BREAKER 5 A FB DYNAMOTOR CIRCUIT BREAKER 20 A FA LEFT SIDE BROOM MICROSWITCH SW3 N RIGHT SIDE BROOM MICROSWITCH SW2 i DYNAMOTOR G LEFT SIDE BROOM MOTOR M3 RIGHT SIDE BROOM MOTOR M2 P200344 Service Manual SW900 Side Broom System 120 Component Locations Right side broom motor M2 Left side broom lifting lowering and height ad Left side broom motor M3 justing lever Right side broom Right side broom control cable Left side broom Left side broom control cable Right side broom microswitch SW2 Left side broom microswitch SW3 Right side broom lifting lowering and height adjusting lever Right side broom lifting lowering and height adjusting lever Left side broom lifting lowering and height adjusting lever WN Left side broom flexible control cable
59. gine pull start cord handle Side broom motor Left side panel Rear drive wheels Right side Left door broom opening closing knob H aon Left door Front Side skirts steering wheel skirt Left side Side broom broom motor P200256 Service Manual SW900 General Information 18 Machine Nomenclature SW900 P Continues Can holder Wet by pass port Right side broom motor circuit breaker N Right side panel Right door Left side broom motor circuit breaker Main broom height adjusting knob P200257 Service Manual SW900 General Information 19 Machine Nomenclature SW900 P Continues silencer QC Ar AM FX u f 22 9 ff SS Sus ay Nn Engine oil level check plug Engine X LAL serial pibe lt 8 Engine belt number model NN Ne TZ ANS gt N N NN Engine PN 6 oil drain Engine oil plug filler plug Engine switch Main fuse 9 Filter shaker fuse Petrol engine Serial number NAAR technical data N F SEN conformity NE lt Hopper certification MOSCA A position plate NIF lo GZ I microswitch Dynamotor PO Dust Vacuum filter fan Drive belt Main broom broom belt Pre filter P200258 Service Manual SW900 General Information 20 Service and Diagnostic Equipment Besides a complete set of standard meters the following instruments are neces
60. graph 13 Reinstall the hopper P200302 Service Manual SW900 Main Broom System 111 Main Broom Belt Check Replacement Check 4 Disengage the front fastener and open the battery engine compartment hood 1 Drive the machine on a level floor and ensure that it cannot move 5 Remove the screws A and the right side panel e B from the machine 2 Turn the ignition key to 0 Remove the nuts C and the right cover D 3 Remove the hopper by using its transport handle and wheels P200303 Service Manual SW900 Main Broom Removal Installation Continues 7 Visually inspect the entire length of the main broom belt E to make sure it is intact and shows no signs of cuts tears or cracks If necessary replace the belt 8 Check that the flexible tensioner F is working and that the belt is properly tightened Check that the rotation pulleys of the belt E rotate freely and are free from dirt and foreign materials ropes clothes etc accidentally rolled up on their rotation shafts Replacement 9 Disengage the flexible tensioner from the belt E then release the belt from the pulleys G and H 10 11 12 13 Main Broom System 112 Remove the fastening screws I of the plate J Move the plate J with the pulley K by disengaging the hexagonal drive hub L from the socket M of the main broom Retrieve the belt E by disconnecting it from the pul
61. he engine electrical connections A 6 Open the fastening clamp and disconnect the engine ground D P200290 Service Manual SW900 Petrol Engine System 94 Petrol Engine Assembly Removal Installation Continues 11 Carefully lift and remove the engine assembly M engine weight 10 9 Kg approx If necessary at the workbench separate the following parts from the engine N Guard P Oil drain hose Q Engine pulley R Engine holder 5 P200291 Service Manual SW900 Petrol Engine Assembly Removal Installation Continues Assembly 12 Assemble the components in the reverse order of disassembly and note the following After assembling the engine belt perform the belt check adjustment see the procedure in the relevant paragraph When installing a new engine Check if there is oil in the engine Check for proper alignment of the engine exhaust pipe W to the machine exhaust end pipe X if necessary loosen the screws Y and adjust Then tighten the screws Y Remove the three screws S and turn the case T for 120 to turn the outlet hole U of the engine pull start cord V in the position shown in the figure Tighten the screws 5 Petrol Engine System P200334 95 Service Manual SW900 Petrol Engine System 96 Petrol Engine Assembly Removal Installation Continues Connect the engine electrical c
62. in the direction shown by the arrow and disengage the belt I from the pulley J Electrical and Control System P200317 77 Service Manual SW900 Electrical and Control System 78 Drive Shaft Big Gear Removal Installation Continues 9 Operating in the back side of the reduction unit cut the clamp K fastening the wiring harness L 10 Remove the two screws M and remove the gear case N 11 Remove the two screws with nut O and then remove the half flange P P200325 Service Manual SW900 Electrical and Control System Drive Shaft Big Gear Removal Installation Continues 12 Remove the screw Q on the inner side of the reduction unit 13 Tighten the screw R on the threaded hole S of the reduction unit 14 With a plastic mallet slightly tap on the screw R in the direction shown by of the arrow T until the gear assembly with shaft U comes out 15 Remove the spacer V and the gear W from the shaft X with key Assembly 16 Assemble the gear in the reverse order of disassembly P200326 79 Service Manual SW900 Electrical and Control System Battery Charger Removal Installation SW900 B Disassembly 1 Remove the batteries and their container see the procedure in the relevant paragraph 2 Remove the rear grid A after removing the upper mounting screw B and disengaging the fasteners 3 Disconnect the electrical c
63. ity 22 Dimensions ea 644 ok 3 x09 O3 ERE XOROR COR X 6 X RR e ES 23 Maintenance 0 240004 de Pe Se PG God SOR UR 24 Scheduled Maintenance Table 5 900 24 Scheduled Maintenance Table 5 9 25 Frame Systema arr ss Sense se kaka EEK 26 Frame main parts 26 Dust Control 27 Functional 27 Wiring Diagram SW900 B os x x S eksl G BAG dese e Rom t 27 Wiring Diagram 5 900 28 Component Locations 29 Maintenance and Adjustments 30 Panel dust filter cleaning and integrity check replacement 30 Troubleshooting sees es 32 Removal and Installation 33 Electrical filter shaker motor amperage 33 Electrical Filter Shaker Motor Disassembly Assembly 35 Specifications vr vr vr vr kr kr ess 37 Electrical and Control System 38 Functional Description 5 900 38 Electrical 38 Functional Description SW
64. le lever so that the idle hub mounting plate can be reached By loosening the two knobs fastening the mounting plate to the broom holder the idle hub can be removed by releasing the main broom which can be removed after removing the hopper MAIN MOTOR CIRCUIT BREAKER 70 A FA FILTER SHAKER SWITCH SW1 HOPPER MICROSWITCH SWO AS MAIN MOTOR ELECTROMAGNETIC SWITCH KO P200337 Service Manual SW900 Component Locations Main broom Main broom belt Pulley with hexagonal drive hub Hexagonal drive hub Main broom height adjusting knob Front skirt Right side skirt Right side recovery skirt Main broom Front skirt Main broom height adjusting knob Main Broom System 102 Rear skirt Right side skirt Right side recovery skirt Left side skirt Left side recovery skirt Left side skirt Left side recovery skirt Hexagonal drive hub Rear skirt Main broom belt Pulley with hexagonal drive hub P200295 Service Manual SW900 Maintenance and Adjustments Main Broom Height Check and Adjustment pe Note Brooms with harder or softer bristles are available This procedure is applicable to all types of brooms Check 1 Check the main broom height as shown below Drive the machine on a level floor Turn on the machine and keep it stationary lower the main broom and turn it on for a few seconds so that the broom leaves its print on the floor Lift the
65. ley K Install the new belt by performing the steps 9 to 12 in the reverse order Reassembly 14 Perform steps 3 to 6 in the reverse order P200304 Service Manual SW900 Main Broom System 113 Main Broom Pulley and Hexagonal Drive Hub Replacement Disassembly Assembly 1 Remove the main broom belt see the procedure 3 Assemble the hexagonal drive hub with pulley in in the previous paragraph the reverse order of disassembly 2 Atthe workbench remove the snap ring A and remove the bearing D and the hexagonal drive hub with pulley B from the mounting plate C P200305 Service Manual SW900 Main Broom System Skirt Removal Installation Right side skirt disassembly assembly 1 Drive the machine on a level ground that is suitable for checking the skirt height Make sure that the machine cannot move independently Turn the ignition key to 0 Remove the hopper by using its transport handle and wheels Unscrew the nuts A and remove the rear side cover B Remove the screws C and release the flange D Remove the nuts E and loosen the inner screw F Remove the right side skirt G Install the right side skirt by performing the steps 3 to 7 in the reverse order Check the right side skirt height see the procedure in the relevant paragraph P200340 114 Service Manual SW900 Skirt Removal Installation Continues Left side skir
66. lso the inner clamp M 10 Disengage the protection caps N and disconnect the electrical connections O of the dynamotor 11 Loosen the clamp P and disconnect the wet by pass hose Q 12 Remove the screws with nut 5 13 On the inner side of the dynamotor T remove the screws U 14 Carefully remove the dynamotor assembly with the reduction unit V P200318 70 Service Manual SW900 Electrical and Control System 71 Dynamotor Removal Installation SW900 P Continues 15 At the workbench remove the screws with the 17 If necessary remove the fan AA as shown nut W below 16 Remove the four screws X and disconnect 18 Remove the screw AB and the dowel AC the motor Y from the reduction unit Z by disengaging the shaft with key AH if necessary use a plastic mallet P200319 Service Manual SW900 Electrical and Control System 72 Dynamotor Removal Installation SW900 P Continues 19 With a puller applied to the head AD of the Assembly shaft and on the groove AE remove the fan AA from the shaft 21 Assemble the components in the reverse order of disassembly and note the following 20 If necessary remove the four screws AG and Reinstall the flange AF with the side AH remove the flange AF turned to the opposite side of the dynamotor electrical connection terminals AD P200320 Service Manual SW900 Electrical and Control Sys
67. lve The fuel tank is empty Refuel The hopper or the upper hood is not in its proper position Adjust The fuel does not reach the carburetor Check if the fuel reaches the carburetor The spark plug does not produce a spark The spark plug does not produce a spark The hopper microswitch is broken Replace the microswitch The engine stops during operation The engine oil level is insufficient Add engine oil The fuel tank is empty The hopper microswitch is broken Refuel Replace the microswitch The engine does not start The fuel valve is closed OFF position The choke lever is open Turn the lever to ON position Turn the lever to CLOSED position unless the engine is hot The fuel quality is poor the engine has been stored without performing fuel treatment or without draining it the machine has been re fuel with poor quality gasoline The fuel tank is empty Drain the fuel tank and the carburetor Refuel with fresh gasoline Refuel The spark plug is damaged dirty or the dis tance between the electrodes is wrong The spark plug is wetted with fuel flooded engine Correct the distance between the electrodes or replace the spark plug Dry the spark plug and reinstall it Start the engine with the throttle lever to MAX posi tion and the choke lever to OPEN position The fuel filter is clogged the carburetor is broken the s
68. mpleted tighten the screws M 12 If necessary remove the screws M and disconnect the electrical connections O then remove and replace the switch I then adjust the hopper position switch I see the previous steps P200330 Service Manual SW900 Electrical and Control System Specifications Model Advance Nilfisk Nilfisk SW900 B SW900 P Power 12V batteries motor power drive main broom vacuum 0 9 hp 680 W E system Dynamotor power drive main broom vacuum 0 26 hp 198 W system Total absorbed power 1 02 hp 0 76 kW Working autonomy 3h 1 5h Dimensions length x width x height battery compartment 12 9 x 9 x 15 in 327 x 230 x 380 mm IP protection class X3 Nilfisk Advance 84 Service Manual SW900 Petrol Engine System 85 Petrol Engine System Functional Description The engine system generates electric current for all machine electrical functions The assembly consists of an internal combustion engine and dynamotor which are both connected by a belt The engine is a single cylinder air cooled petrol type The engine start up is made by means of a self wind ing system Wiring Diagram ENGINE SWITCH The engine speed is fixed to 2 950 rpm to grant a constant current to the electrical system The fuel tank is applied to the engine The tank is equipped with a valve with integrated filter
69. n band D of the carbon brushes 7 Remove the fastening screws E of the electrical connections of the four carbon brushes F 8 Remove the four carbon brushes F from their housings by disengaging them from the retaining springs G 9 Check the two carbon brushes F for wear Replace the carbon brushes when the contact with the dynamotor armature is insufficient the carbon brushes are worn the carbon brush contact surface is not integral the thrust spring is broken etc If the length of the carbon brushes is insufficient these must be replaced In this cases replace all motor carbon brushes Assembly 10 Assemble the components in the reverse order of disassembly P200316 Service Manual SW900 Electrical and Control System 65 Main Motor or Fan Removal Installation SW900 B Disassembly 1 Drivethe machine on a level floor and ensure that it cannot move 2 Turn the ignition key to 0 3 Remove the hopper by using its transport handle and wheels 4 Disengage the front fastener and open the battery compartment hood 5 Remove the batteries and their container see the procedure in the relevant paragraph 6 Remove the screws A and the right side panel B from the machine then remove also the left side panel 7 Remove the rear grid C after removing the upper mounting screw D and disengaging the fasteners 8 Turn the tensioner E in the direction shown by the
70. n s 4 m s Machines have been tested under the following conditions Battery maximum size Brooms of maximum size Full hopper Optional components installed Weight on wheels checked Print on the floor checked on cement for each single wheel Result expressed as maximum value for both front and rear wheels Under normal working conditions on a level asphalt surface Machine Material Composition and Recyclability Type Recyclable percentage SW900 B weight percentage SW900 P weight percentage Aluminium 100 96 24 2 2 Electric motors various 29 11 8 18 8 96 Ferrous materials 100 96 39 4 35 5 Wiring harnesses 80 1 8 16 Liquids 100 0 0 1 1 Plastic non recyclable material 0 94 8 6 Plastic recyclable material 100 27 1 24 7 Polyethylene 92 5 9 96 5 4 96 Rubber 20 96 2 4 96 22 Service Manual SW900 General Information 23 Dimensions 54 7 in 1390 mm 43 3in 1100 mm 33 0in 840mm 2 M a Tr 1 TE 34 2 in 37 4in 950 mm P200259 Service Manual SW900 General Information 24 Maintenance The lifespan of the machine and its maximum operating safety are ensured by correct and regular mainte nance Warning Read carefully the instructions in the Safety chapter before performing any maintenance procedure The following tables provid
71. n the groove AE remove the fan AA from the shaft 22 Assemble the components in the reverse order of disassembly and note the following 21 If necessary remove the four screws AG and Reinstall the flange AF with the side AH remove the flange AF turned to the opposite side of the motor elec trical connection terminals AI NS 4 E r Ul P200320 Service Manual SW900 Dynamotor Removal Installation SW900 P Disassembly 1 Drive the machine on a level floor and ensure that it cannot move 2 Turn the ignition key to 0 3 Remove the hopper by using its transport handle and wheels 4 Disengage the front fastener and open the engine compartment hood 5 Remove the screws A and the right side panel B from the machine then remove also the left side panel 6 Disconnect the engine belt from the reduction unit pulley refer to the procedure for engine belt replacement in the relevant paragraph 7 Turn the tensioner E in the direction shown by the arrow and disengage the belt F from the pulley G 8 Turn the tensioner H in the direction shown by the arrow and disengage the belt I from the pulley J Electrical and Control System P200321 69 Service Manual SW900 Electrical and Control System Dynamotor Removal Installation SW900 P Continues 9 Onthe rear side of the machine cut the clamps K fastening the wiring harness L cut a
72. ne if it is not securely fixed Warning Before transporting the machine make sure that All covers are closed For SW900 B The battery connector is disconnected The machine is securely fastened to the means of transport 11 Service Manual SW900 General Information 12 Machine Nomenclature SW900 B know your machine Control panel Ignition key with 0 and I positions Hour counter Electrical filter shaker switch Charged battery LED green Semi discharged battery LED yellow Discharged battery LED red P200251 Service Manual SW900 General Information 13 Machine Nomenclature SW900 B Continues Right side broom lifting lowering Handlebar and height adjusting Drive system lever control lever Drive system adjuster 1 Hood front Handlebar fastener adjusting lever V Left side broom lifting lowering and Battery height adjusting lever compartment hood P OG o p EN 2 Hopper Hopper transport n Side skirts handle Side broom motor A gt SIN D n ud Left door d LAT anb L Right side broom Left door Side broom Front Left side motor skirt broom P200252 General Information 14 Service Manual SW900 Machine Nomenclature SW900 B Continues Can holder Wet by pass port Rear grid 9 circuit breaker Right
73. ntact and shows no signs of cuts Remove the hopper by using its transport tears or cracks If necessary replace the belt handle and wheels 5 Check the proper tension of the belt which can occur when pressing the belt in middle area between the two pulleys with a force D of approximately 1 Kg the belt is moving of an arrow E of 15 20 mm P200286 90 Service Manual SW900 Petrol Engine System 91 Engine Belt Check Adjustment Replacement Continues Disengage the front fastener and open the engine compartment hood On the upper side of the machine insert a ruler K in contact with the inner surfaces of the engine pulley T and the reduction unit pulley J then check for the proper align ment If necessary adjust the alignment as shown below Loosen the four nuts L fastening the engine holder G to the vibration damp ers then adjust the alignment of the two pulleys by sliding the plate G with engine assembly when the adjustment is completed tighten the nuts L 7 The pad must slightly contact the holder G then if necessary adjust its position by adjusting the locknut N and the nut P when the adjustment is completed tighten the nuts P200287 Service Manual SW900 Petrol Engine System 92 Engine Belt Check Adjustment Replacement Continues Replacement Disengage the engine belt C from the engine pulley T using a screwdriver as a lever and by 1 Dri
74. ocedures scrupulously Do not allow any object to enter into the openings Do not use the machine if the openings are clogged Always keep the openings free from dust hairs and any other foreign material which could reduce the air flow Do not remove or modify the plates affixed to the machine In case of machine malfunctions ensure that these are not due to lack of maintenance If neces sary request assistance from the authorised personnel or from an authorised Service Center If parts must be replaced require ORIGINAL spare parts from an Authorised Dealer or Retailer To ensure machine proper and safe operation the scheduled maintenance shown in the relevant chapter of this Manual must be performed by the authorised personnel or by an authorised Ser vice Center The machine must be disposed of properly because of the presence of toxic harmful materials batteries oils etc which are subject to standards that require disposal 1n special centres see the User Manual Service Manual SW900 General Information 10 For SW900 P While the engine is running the silencer warms up do not touch the silencer when it 1s hot to avoid burns or fires Running the engine with an insufficient quantity of oil can seriously damage the engine Check the oil level with the engine off and the machine on a level surface Never run the engine if the air filter is not installed because the engine could be damaged Techni
75. oke by using the lever 3 Turn the ignition key to 0 4 Loosen the knob A inside the side broom then remove the side broom B by disengaging it from the three positioning pins C Assembly 5 install the side broom easily use its lifting lever by turning it to fully lowered position 6 Install the side broom in its housing and engage it on its three positioning pins C then tighten the knob A 7 If necessary check the side broom height see the procedure in the relevant paragraph P200347 Service Manual SW900 Side Broom Motor Amperage Check Warning This procedure must be performed by qualified personnel only Note This procedure refers to the qu right side broom check the procedure for the left side broom is the same Remove the side broom of the motor to be check see the procedure in the relevant paragraph Remove the hopper by using its transport handle and wheels Disengage the front fastener and open the battery engine compartment hood On the right rear side of the battery engine compartment apply the amp clamp on a cable A of the side broom motor to be checked For SW900 B Turn the ignition key to 1 For SW900 P Turn the ignition key to I and start the petrol engine as shown in the User Manual wait a few minutes that the engine reaches the target speed Side Broom System 124 6 With the lever lower and activate the side broom to be checke
76. onnector C from the battery charger D 4 Disconnect the electrical terminal E from the fuse 5 Cutthe fastening clamps F of the battery charger cables G 6 Disconnect the terminal H of the cable G from the battery terminal P200327 Service Manual SW900 Electrical and Control System 81 Battery Charger Removal Installation SW900 B Continues 7 Lift the rubber mat I in the battery compartment 8 Disconnect the battery charger electrical connector J 9 Remove the screws K 10 Remove the battery charger L by bringing it backward in the direction shown by the arrow M and then by lifting the front part in the direction shown by the arrow N Assembly 11 Assemble the battery charger in the reverse order of disassembly and note the following When installing a new battery charger this must be set according to the type of batter les which are going to be installed on the machine see the procedure in the relevant paragraph Set the battery charger before installing the batteries P200328 Service Manual SW900 Electrical and Control System Hopper Position Switch Operation Check Removal Installation Operation Check 1 Drive the machine on a level floor and ensure that it cannot move 2 Turn the ignition key to 0 3 Remove the hopper by using its transport handle and wheels 4 Turn the ignition key to then check that none
77. otor G Dynamotor FA fuse 20A Filter shaker relay K1 Reduction unit Filter shaker relay K1 Dynamotor FA fuse 20 A Electrical filter shaker F1 fuse 5 A Dynamotor G o Wiring harnesses P200274 Service Manual SW900 Electrical and Control System 48 Component Locations SW900 P Continues Hopper position microswitch SWO Right side broom motor FB circuit breaker 5A Left side broom motor FC circuit breaker 5A Right side broom motor FB circuit breaker 5 A Left side broom motor FC circuit breaker 5 A Hopper position microswitch 5 0 P200311 Service Manual SW900 Maintenance and Adjustments Charging the batteries SW900 B Caution Warning A Warning Charge the batteries when the yellow A or red B LED turns on or at the end of each working cycle Keeping the batteries charged make their life last longer When the batteries are discharged charge them as soon as possible as that condition makes their life shorter If the machine is equipped with lead WET batteries battery charging produces highly explosive hydrogen gas Charge the batteries in well ventilated areas and away from naked flames Do not smoke while charging the batteries While charging the batteries always keep the hood open Electrical and Control System 49 Warning Pay careful attention when charging lead batteries WET as ther
78. ous injuries damages to materials or equipments 8 Service Manual SW900 General Information For SW900 B Petrol Carefully read all the instructions before performing any maintenance repair procedure This machine is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the machine by a person responsible for they safety Children should be supervised to ensure that they do not play with the machine Close attention is necessary when used near children Useonly as shown in this Manual Only Nilfisk Advance recommended accessories must be used Check the machine carefully before each use always check that all the components have been as sembled before use If the machine is not perfectly assembled it can cause damages to people and properties ake all necessary precautions to prevent hair jewels and loose clothes from being caught by the machine moving parts To avoid any unauthorized use of the machine remove the ignition key Do not leave the machine unattended without being sure that it cannot move independently Do not use the machine on incline Do not tilt the machine more than the angle indicated on the machine itself in order to prevent instability Use only brooms supplied with the machine or those specified in th
79. r assembling it Make sure that the machine cannot move independently Turn the ignition key to 0 Remove the hopper by using its transport handle and wheels On the hopper A remove the screws with the nut B and remove the metal strap and the front skirt C Install the front skirt by performing the steps 3 to 5 in the reverse order Check the front skirt height see the procedure in the relevant paragraph Rear Skirt Disassembly Assembly 1 Remove the main broom see the procedure in the relevant paragraph Fully turn the main broom height adjusting knob C counter clockwise by lifting it In the main broom compartment remove the screws D then remove the metal strap E and the rear skirt F Install the rear skirt F by performing step 3 in the reverse order Adjust the height of the rear skirt F see the procedure in the relevant paragraph Fully turn the main broom height adjusting knob C clockwise by lifting it Install the main broom see the procedure in the relevant paragraph Main Broom System P200342 116 Service Manual SW900 Main Broom System 117 Specifications Model Advance Nilfisk Nilfisk SW900 B SW900 P Main broom size length x diameter 23 6 x 10 4 in 600 x 265 mm Main broom speed 420 rpm Nilfisk Advance Service Manual SW900 Side Broom System Functional Description The right left lever on
80. s are axially fastened on the propeller shaft mits the motion to the right rear wheel on which the by a screw driven pulley is installed Service Manual SW900 Wheel System Traction 132 Component Locations Drive control lever Pulley Drive system control flexible cable Drive wheels Drive belt Drive system control lever Drive system control flexible cable Drive wheels Pulley Drive belt P200354 Service Manual SW900 Maintenance and Adjustments Wheel System Traction 133 Drive system control cable check adjustment Check die For SW900 B Turn the ignition key to For SW900 P Turn the ignition key to I and start the petrol engine as shown in the User Manual wait a few minutes that the engine reaches the target speed When the drive control lever is completely released check that the machine does not move and that there is no noise whistling etc caused by the drive belt Gradually bring the drive control lever A to half stroke In this condition the machine should start to move but it must be still easy to hold it in place by pulling the handlebar B there must be no noise whistling etc caused by the drive belt 4 Carefully bring the drive control lever A until the end of the stroke in this condition the machine must move at maximum speed 5 If necessary adjust the tension as shown below Adjustment 6 Loosen the nut
81. sary to perform fast checks and repairs on Nilfisk Advance machines Digital Volt Meter DVM Amp clamp with possibility of making DC measurements Battery charge tester to check 12V batteries Static control wrist strap Dynamometric wrench set Acopy 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 is also available at Nilfisk Advance Centers Service Manual SW900 General Information Technical Data Model Advance Nilfisk Nilfisk SW900 B SW900 P Cleaning width with one side broom 32 5 in 825 mm with two side brooms 41 3 in 1 050 mm Main broom size length x diameter 23 6 x 10 4 in 600 x 265 mm Side broom diameter 12 4 in 315 mm Theoretical working capacity with one side broom 39 987 ft h 3 715 m h with two side brooms 50 859 ft h 4 725 m h capacity 2 1 ft 60 Liters Hopper maximum transportable weight 66 Ib 30 kg cieanina system Electrical filter shaker 9 sy manual on Advance version Filtet area 20 5 ft 1 9 m filtering capacity 5 10 um Power 12V batteries Power 2 1 kW 3 600 rpm Engine model Honda GX 100 Fuel tank capacity 0 77 liters Main motor power drive main broom vacuum 0 9 hp 680 W _ system Dynamotor power
82. serious injuries gt For SW900 B Petrol Before performing any maintenance repair cleaning or replacement procedure disconnect the battery connector remove the ignition key and engage the parking brake for SW900 B also dis connect the batteries Make sure that the machine cannot move independently This machine must be used by properly trained operators only Keep the batteries away from sparks flames and incandescent material Explosive gases are released when charging the batteries Service Manual SW900 General Information Do not wear jewels when working near electrical components Do not work under the lifted machine without supporting it with safety stands When working under the open hood ensure that it cannot be closed by accident Do not operate the machine near toxic dangerous flammable and or explosive powders liquids or vapors This machine is not suitable for collecting dangerous powders For SW900 P Carbon monoxide CO can cause brain damage or death The internal combustion engine of this machine can emit carbon monoxide Do not inhale exhaust gas fumes Only use indoors when adequate ventilation is provided and with the help of an assistant Be careful fuel is highly flammable Do not smoke or bring naked flames in the area where the machine is refuelled or where the fuel 1s stored Refuel outdoors or in a well ventilated area with the engin
83. t disassembly assembly 1 Drive the machine on a level ground that is suitable for checking the skirt height Make sure that the machine cannot move independently 2 Turn the ignition key to 0 3 Lift the tab H and turn the knob I counter clockwise until it is disengaged then open the left door J 4 Remove the screws K and the door L 5 Remove the screws M and remove the left side skirt with bracket 6 Install the left side skirt by performing the steps 3 to 5 in the reverse order 7 Check the left side skirt height see the procedure in the relevant paragraph Right and Left Side Recovery Skirt Disassembly Assembly 1 Drive the machine on a level ground that is suitable for checking the skirt height Make sure that the machine cannot move independently 2 Turn the ignition key to 0 3 Remove the hopper by using its transport handle and wheels 4 Remove the screws N and remove the left or right side recovery skirt O 5 Install the left side skirt by performing the steps 3 and 4 in the reverse order 6 Check the recovery skirt height see the procedure in the relevant paragraph Main Broom System P200341 115 Service Manual SW900 Skirt Removal Installation Continues Front skirt disassembly assembly 1 Empty the hopper as shown in the User Manual Drive the machine on a level ground that is suitable for checking the skirt height afte
84. t is excessive the machine regular operation is affected and the moving parts or electrical components can overheat thus reducing machine life Pay careful attention when performing the side broom height check and always use the machine according to the indicated conditions Side Broom System P200346 121 Service Manual SW900 Troubleshooting Trouble The side broom does not operate Possible causes The circuit breaker FB or FC optional is open Side Broom System Remedy Wait for the side broom motor to cool down then reset the fuse by pressing the relevant push button The main fuse FA is open Replace the main fuse The side broom microswitch is faulty or misadjusted Replace the relevant side broom microswitch or adjust it 122 Service Manual SW900 Removal and Installation Side Broom Disassembly Assembly Note E A Warning Brooms with harder or softer bristles are available This procedure is applicable to all types of brooms It is advisable to wear protective gloves when replacing the side broom because there can be sharp debris between the bristles a Note This procedure refers to the C right side broom removal the procedure for the left side broom is the same Side Broom System 123 Disassembly 1 Drive the machine on a level floor and ensure that it cannot move 2 Lift the side broom until the end of str
85. tart system is broken the valves are locked etc Replace or repair the damaged parts as necessary The engine loses power The filter element or elements are clogged Clean or replace the filter elements The fuel quality is poor the engine has been stored without performing fuel treatment or without draining it the machine has been re fuel with poor quality gasoline Drain the fuel tank and the carburetor Re fuel with fresh gasoline The fuel filter is clogged the carburetor is broken the start system is broken the valves are locked etc Replace or repair the damaged parts as necessary 89 Service Manual SW900 Petrol Engine System Removal and Installation Engine Belt Check Adjustment Replacement Check and adjustment If necessary adjust the belt tension as shown below 1 Drive the machine on a level floor and ensure Loosen the four mounting screws of the that it cannot move engine assembly H to the holder G then 2 Turn the ignition key to 0 move the engine assembly as necessary when the proper tension is reached tighten 3 Remove the rear grid A after removing the the four screws F upper mounting screw B and disengaging the ra B 8 PES 6 If necessary also check the correct alignment i of the engine pulley 1 with the reduction unit 4 Check the entire length of the engine belt C to pulley J as shown below make sure it is i
86. te to the wire gauze I 8 Complete the cleaning with compressed air J maximum pressure 6 bar blowing only from the side of the wire gauze I and in perpendicular position as to the gauze itself According to the type of filter observe the following cautions Polyester filter standard For a better clean ing it is allowed to wash the filter with water and non lathering detergents This provides better quality cleaning but reduces the life of the filter which will have to be replaced more frequently The use of inadequate detergents can damage the filter Paper filter optional Do not use water or detergents to clean it the filter can be dam aged 9 10 12 13 Check the filter body for tears Clean the gasket K along its perimeter and check it for integrity If necessary replace the filter Clean the gasket L along its perimeter and check it for integrity if necessary replace it If equipped clean also the pre filter with compressed air maximum pressure 6 bar Assemble the components in the reverse order of disassembly par mmm NER X o 5 2 T fnr orat OO 200266 Service Manual SW900 Troubleshooting Trouble Dust debris vacuuming is insufficient Possible causes
87. tem Reduction Unit Removal Installation Disassembly Assembly 1 Remove the main motor Battery version or 5 Assemble the reduction unit in the reverse order the dynamotor Petrol version and separate it of disassembly from the reduction unit see the procedure in the relevant paragraph 2 Remove the screw A of the reduction unit B 3 Remove the four screws C 4 Remove the reduction unit B by pushing it in the direction shown by the arrow D and by disengaging it from the shaft with key E If necessary use a plastic mallet P200322 73 Service Manual SW900 Electrical and Control System 74 Main Broom Shaft Small Gear Removal Installation Disassembly 1 Drive the machine on a level floor and ensure that it cannot move 2 Turn the ignition key to 0 3 Remove the hopper by using its transport handle and wheels 4 Disengage the front fastener and open the battery engine compartment hood 5 Remove the screws A and the right side panel B from the machine 6 Remove the rear grid C after removing the upper mounting screw D and disengaging the fasteners 7 Turn the tensioner E in the direction shown by the arrow and disengage the belt F from the pulley G 8 Turn the tensioner H in the direction shown by the arrow and disengage the belt I from the pulley J P200317 Service Manual SW900 Electrical and Control System Main Broom Shaft Sm
88. tensioner C in the direction shown by the arrow and engage the belt D to the pulley E and to the tensioner C check the proper operation of the tensioner C Perform steps 3 5 and 6 in the reverse order P200281 Service Manual SW900 Dynamotor Voltage Check SW900 P Warning This procedure must be performed by qualified personnel only 1 Drive the machine on a level floor and ensure that it cannot move 2 Turn the ignition key to 0 3 Remove the hopper by using its transport handle and wheels 4 Carefully operate and keep operated the hopper position microswitch to simulate the presence of the hopper 5 Check that the main and side brooms s are lifted Electrical and Control System 61 Turn the ignition key to 7 and start the petrol engine as shown in the User Manual wait at least 5 minutes that the engine reaches the target speed Disengage the front fastener and open the engine compartment hood Move aside the guards A of the terminals B and C of the dynamotor D Apply the detectors E and F of the tester on the terminals B and C and measure the voltage produced by the dynamotor which must be between the 12V and 14V Stop the petrol engine as shown in the User Manual Turn the ignition key to 0 P200282 Service Manual SW900 Electrical and Control System 62 Dynamotor Voltage Check SW900 P Continues If the voltage is low
89. ts Fuse F1 5A Relay K1 Filter shaker M1 t 4 Main motor SW900 Battery Filter and pre filter panel Dynamotor SW900 Petrol Gaskets P200264 Service Manual SW900 Maintenance and Adjustments Dust Control System 30 Panel dust filter cleaning and integrity check replacement The dust filter must be regularly cleaned to maintain the efficiency of the vacuum system Follow the recommended filter service intervals for the longest filter life Warning clean the filter always wear safety guards such as safety glasses dust mask gloves etc and clean the filter in a well ventilated area Take care not to pierce the filter Caution A Note E Besides the standard polyester filter paper filters are also available Drive the machine on a level floor and ensure that it cannot move Turn the ignition key to 0 Remove the hopper by using its transport handle and wheels If equipped remove the pre filter A after releasing the upper fasteners B and then the lower fasteners C Disengage the lever fasteners D and turn down the filter holder assembly E to the end of stroke F P200265 Service Manual SW900 Dust Control System 31 Panel dust filter cleaning and integrity check replacement Continues 6 Remove the dust filter G 7 In an outdoor area clean the dust filter by shaking it on a level and clean surface tapping the side H opposi
90. ve the machine on a level floor and ensure simultaneously turning the engine pulley I by that it cannot move slightly pulling the engine pull start cord 2 Turn the ignition key to 0 Retrieve the engine belt C by disengaging it 3 Remove the rear grid A after removing the from the reduction unit pulley J upper mounting screw B and disengaging the 5 Install the new belt C by engaging it on the fasteners pulleys I and J 4 Loosen the four screws F fastening the engine 6 Adjust the belt See Check and Adjustment paragraph in this procedure assembly H to the holder G then move the engine assembly toward the dynamotor as possible P200289 Service Manual SW900 Petrol Engine System 93 Petrol Engine Assembly Removal Installation Disassembly 7 Remove the rear grid E after removing the upper mounting screw F and disengaging the 1 Drive the machine on a level floor and ensure fasteners that it cannot move mr 8 Remove the screws G and the bulkhead H 2 Turn the ignition key to 0 Disengage the engine belt I from the engine pulley J using a screwdriver as a lever and by simultaneously turning the engine pulley J by slightly pulling the engine pull start cord 3 Remove the hopper by using its transport handle and wheels 4 Disengage the front fastener and open the engine compartment hood 10 Loosen the four nuts K fastening the engine 5 Disconnect t
91. with the battery charger set for using G generic GEL AGM batteries BATTERY PLUG P200312 Service Manual SW900 Electrical and Control System 56 Battery Installation and Battery Type Setting WET or GEL SW900 B Continues Battery Removal 1 Drive the machine on a level floor and ensure that it cannot move 2 Turn the ignition key to 0 3 Remove the hopper by using its transport handle and wheels 4 Disengage the front fastener and open the battery compartment hood 5 Disconnect the battery connector 6 Disengage the guards A from the battery terminals 7 Disconnect the battery terminals 8 Carefully remove the batteries B Battery installation 1 Install on the machine the type of batteries which is compatible with the setting of the machine for checking the setting of the machine or to change it refer to the procedure described below Route and install the battery cables then carefully tighten the nut on each battery terminal Engage the guards A on the battery terminals Connect the battery connector Close the battery compartment hood and engage the front fastener Install the hopper on the machine by using its transport handle and wheels P200313 Service Manual SW900 Machine Check Setting Drive the machine on a level floor and ensure that it cannot move Turn the ignition key to 0 Remove the hopper by using its transport handle and whe

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